eco name pgn C00 French Defense 1. e4 e6 C00 French Defense 1. e4 e6 2. d4 d5 C00 French Defense: Alapin Gambit 1. e4 e6 2. d4 d5 3. Be3 C00 French Defense: Baeuerle Gambit 1. e4 e6 2. d4 b5 C00 French Defense: Banzai-Leong Gambit 1. e4 e6 2. b4 C00 French Defense: Banzai-Leong Gambit, Pinova Gambit 1. e4 e6 2. b4 Bxb4 3. e5 C00 French Defense: Bird Invitation 1. e4 e6 2. Bb5 C00 French Defense: Carlson Gambit 1. e4 e6 2. d4 d5 3. Nf3 dxe4 4. Ne5 C00 French Defense: Chigorin Variation 1. e4 e6 2. Qe2 C00 French Defense: Diemer-Duhm Gambit 1. e4 e6 2. d4 d5 3. c4 C00 French Defense: Diemer-Duhm Gambit Accepted 1. e4 e6 2. d4 d5 3. c4 dxe4 C00 French Defense: Franco-Hiva Gambit 1. e4 e6 2. d4 f5 C00 French Defense: Franco-Hiva Gambit Accepted 1. e4 e6 2. d4 f5 3. exf5 C00 French Defense: Franco-Sicilian Defense 1. e4 e6 2. d4 c5 C00 French Defense: Hoffmann Gambit 1. e4 e6 2. d4 d5 3. Qe2 e5 4. f4 exf4 C00 French Defense: Horwitz Attack 1. e4 e6 2. b3 C00 French Defense: Horwitz Attack, Papa-Ticulat Gambit 1. e4 e6 2. b3 d5 3. Bb2 C00 French Defense: King's Indian Attack 1. e4 e6 2. d3 C00 French Defense: King's Indian Attack, Franco-Hiva Gambit 1. e4 e6 2. d3 f5 C00 French Defense: Knight Variation 1. e4 e6 2. Nf3 C00 French Defense: Knight Variation, Franco-Hiva Gambit 1. e4 e6 2. Nf3 f5 C00 French Defense: La Bourdonnais Variation 1. e4 e6 2. f4 C00 French Defense: La Bourdonnais Variation, Reuter Gambit 1. e4 e6 2. f4 d5 3. Nf3 dxe4 C00 French Defense: Mediterranean Defense 1. e4 e6 2. d4 Nf6 C00 French Defense: Morphy Gambit 1. e4 e6 2. d4 d5 3. Nh3 C00 French Defense: Normal Variation 1. e4 e6 2. d4 C00 French Defense: Orthoschnapp Gambit 1. e4 e6 2. c4 d5 3. cxd5 exd5 4. Qb3 C00 French Defense: Pelikan Variation 1. e4 e6 2. Nc3 d5 3. f4 C00 French Defense: Perseus Gambit 1. e4 e6 2. d4 d5 3. Nf3 C00 French Defense: Queen's Knight 1. e4 e6 2. Nc3 C00 French Defense: Reversed Philidor Formation 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. Be2 C00 French Defense: Réti-Spielmann Attack 1. e4 e6 2. g3 C00 French Defense: Schlechter Variation 1. e4 e6 2. d4 d5 3. Bd3 C00 French Defense: St. George Defense 1. e4 e6 2. d4 a6 C00 French Defense: St. George Defense, Sanky-George Gambit 1. e4 e6 2. d4 a6 3. c4 b5 C00 French Defense: St. George Defense, St. George Gambit 1. e4 e6 2. d4 a6 3. c4 b5 4. cxb5 axb5 C00 French Defense: St. George Defense, Three Pawn Attack 1. e4 e6 2. d4 a6 3. c4 C00 French Defense: St. George Defense, Traditional Line 1. e4 e6 2. d4 a6 3. Nf3 b5 4. Bd3 c5 5. c3 Bb7 6. O-O Nf6 C00 French Defense: Steiner Variation 1. e4 e6 2. c4 C00 French Defense: Steinitz Attack 1. e4 e6 2. e5 C00 French Defense: Two Knights Variation 1. e4 e6 2. Nf3 d5 3. Nc3 C00 French Defense: Wing Gambit 1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 C00 Rat Defense: Small Center Defense 1. d4 e6 2. e4 d6 C01 French Defense: Exchange Variation 1. e4 e6 2. d4 d5 3. exd5 C01 French Defense: Exchange Variation 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 C01 French Defense: Exchange Variation 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 C01 French Defense: Exchange Variation, Bogoljubow Variation 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Bg5 Nc6 C01 French Defense: Exchange Variation, Monte Carlo Variation 1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 C01 French Defense: Exchange Variation, Svenonius Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bg5 C02 French Defense: Advance Variation 1. e4 e6 2. d4 d5 3. e5 C02 French Defense: Advance Variation 1. e4 e6 2. d4 d5 3. e5 c5 C02 French Defense: Advance Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 C02 French Defense: Advance Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 C02 French Defense: Advance Variation, Euwe Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 C02 French Defense: Advance Variation, Extended Bishop Swap 1. e4 e6 2. d4 d5 3. e5 Bd7 C02 French Defense: Advance Variation, Frenkel Gambit 1. e4 e6 2. d4 d5 3. e5 c5 4. b4 C02 French Defense: Advance Variation, Kupreichik Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be3 C02 French Defense: Advance Variation, Lputian Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 C02 French Defense: Advance Variation, Main Line 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 C02 French Defense: Advance Variation, Milner-Barry Gambit 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 C02 French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. O-O C02 French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. O-O Bd7 8. Re1 C02 French Defense: Advance Variation, Milner-Barry Gambit, Main Line 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. O-O C02 French Defense: Advance Variation, Milner-Barry Gambit, Sørensen Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. O-O Nxd4 9. Ng5 C02 French Defense: Advance Variation, Nimzowitsch Attack 1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 C02 French Defense: Advance Variation, Nimzowitsch Gambit 1. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 cxd4 5. Nf3 C02 French Defense: Advance Variation, Nimzowitsch System 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 C02 French Defense: Advance Variation, Paulsen Attack 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 C02 French Defense: Advance Variation, Ruisdonk Gambit 1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Bd3 C02 French Defense: Advance Variation, Steinitz Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. dxc5 C02 French Defense: Advance Variation, Wade Variation 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 C03 French Defense: Tarrasch Variation 1. e4 e6 2. d4 d5 3. Nd2 C03 French Defense: Tarrasch Variation, Guimard Defense 1. e4 e6 2. d4 d5 3. Nd2 Nc6 C03 French Defense: Tarrasch Variation, Guimard Defense, Thunderbunny Variation 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. c3 dxe4 5. Nxe4 e5 C03 French Defense: Tarrasch Variation, Haberditz Variation 1. e4 e6 2. d4 d5 3. Nd2 f5 C03 French Defense: Tarrasch Variation, Modern System 1. e4 e6 2. d4 d5 3. Nd2 a6 C03 French Defense: Tarrasch Variation, Morozevich Variation 1. e4 e6 2. d4 d5 3. Nd2 Be7 C04 French Defense: Tarrasch Variation, Guimard Defense, Main Line 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 C05 French Defense: Tarrasch Variation, Botvinnik Variation 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 C05 French Defense: Tarrasch Variation, Closed Variation 1. e4 e6 2. d4 d5 3. Nd2 Nf6 C05 French Defense: Tarrasch Variation, Closed Variation 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 C05 French Defense: Tarrasch Variation, Pawn Center Variation 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 C06 French Defense: Tarrasch Variation, Closed Variation, Main Line 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 C06 French Defense: Tarrasch Variation, Leningrad Variation 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6 C07 French Defense: Tarrasch Variation, Chistyakov Defense 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 C07 French Defense: Tarrasch Variation, Chistyakov Defense, Modern Line 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 C07 French Defense: Tarrasch Variation, Eliskases Variation 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 C07 French Defense: Tarrasch Variation, Open System 1. e4 e6 2. d4 d5 3. Nd2 c5 C07 French Defense: Tarrasch Variation, Open System, Euwe-Keres Line 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 C07 French Defense: Tarrasch Variation, Open System, Shaposhnikov Gambit 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Nf6 C07 French Defense: Tarrasch Variation, Open System, Süchting Line 1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 C08 French Defense: Tarrasch Variation, Open System 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 C08 French Defense: Tarrasch Variation, Open System, Advance Line 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 c4 C09 French Defense: Tarrasch Variation, Open System, Main Line 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 C10 French Defense: Hecht-Reefschläger Variation 1. e4 e6 2. d4 d5 3. Nc3 Nc6 C10 French Defense: Marshall Gambit 1. e4 e6 2. d4 d5 3. Nc3 c5 C10 French Defense: Paulsen Variation 1. e4 e6 2. d4 d5 3. Nc3 C10 French Defense: Rubinstein Variation 1. e4 e6 2. d4 d5 3. Nc3 dxe4 C10 French Defense: Rubinstein Variation, Blackburne Defense 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 C10 French Defense: Rubinstein Variation, Capablanca Line 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 C10 French Defense: Rubinstein Variation, Ellis Gambit 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 e5 C10 French Defense: Rubinstein Variation, Fort Knox Variation 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 C10 French Defense: Rubinstein Variation, Kasparov Attack 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. c3 C10 French Defense: Rubinstein Variation, Maric Variation 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Qd5 C11 French Defense: Classical Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 C11 French Defense: Classical Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 C11 French Defense: Classical Variation, Burn Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 C11 French Defense: Classical Variation, Burn Variation, Main Line 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 O-O C11 French Defense: Classical Variation, Burn Variation, Morozevich Line 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 C11 French Defense: Classical Variation, Delayed Exchange Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 C11 French Defense: Classical Variation, Shirov-Anand Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 C11 French Defense: Classical Variation, Steinitz Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 C11 French Defense: Classical Variation, Swiss Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bd3 C11 French Defense: Henneberger Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Be3 C11 French Defense: Steinitz Variation 1. e4 e6 2. d4 d5 3. Nc3 a6 4. Nf3 Nf6 5. e5 Nfd7 C11 French Defense: Steinitz Variation 1. e4 e6 2. d4 d5 3. Nc3 a6 4. Nf3 Nf6 5. e5 Nfd7 6. a3 C11 French Defense: Steinitz Variation 1. e4 e6 2. d4 d5 3. Nc3 a6 4. Nf3 Nf6 5. e5 Nfd7 6. Ne2 C11 French Defense: Steinitz Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6 C11 French Defense: Steinitz Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 C11 French Defense: Steinitz Variation, Boleslavsky Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 C11 French Defense: Steinitz Variation, Bradford Attack Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Bxc5 7. Qg4 C11 French Defense: Steinitz Variation, Brodsky-Jones Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. dxc5 Nc6 7. a3 Bxc5 8. Qg4 O-O 9. Nf3 f6 C11 French Defense: Steinitz Variation, Gledhill Attack 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Qg4 C12 French Defense: McCutcheon Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 C12 French Defense: McCutcheon Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 C12 French Defense: McCutcheon Variation, Bernstein Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bh4 C12 French Defense: McCutcheon Variation, Bogoljubow Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 Qxd5 6. Bxf6 gxf6 7. Qd2 Qa5 C12 French Defense: McCutcheon Variation, Chigorin Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6 C12 French Defense: McCutcheon Variation, Dr. Olland Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bc1 C12 French Defense: McCutcheon Variation, Duras Variation 1. e4 e6 2. Nc3 d5 3. d4 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 Kf8 9. Bc1 C12 French Defense: McCutcheon Variation, Exchange Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. exd5 C12 French Defense: McCutcheon Variation, Grigoriev Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf6 hxg5 7. fxg7 Rg8 8. h4 gxh4 9. Qg4 C12 French Defense: McCutcheon Variation, Janowski Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Be3 C12 French Defense: McCutcheon Variation, Lasker Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 C12 French Defense: McCutcheon Variation, Lasker Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 C12 French Defense: McCutcheon Variation, Tartakower Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Nfd7 C13 French Defense: Alekhine-Chatard Attack 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 C13 French Defense: Alekhine-Chatard Attack, Albin-Chatard Gambit 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 Bxg5 7. hxg5 Qxg5 C13 French Defense: Alekhine-Chatard Attack, Breyer Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c5 C13 French Defense: Alekhine-Chatard Attack, Maróczy Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 C13 French Defense: Alekhine-Chatard Attack, Spielmann Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 O-O C13 French Defense: Alekhine-Chatard Attack, Teichmann Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 f6 C13 French Defense: Classical Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 C13 French Defense: Classical Variation, Frankfurt Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 6. Be3 b6 C13 French Defense: Classical Variation, Normal Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 C13 French Defense: Classical Variation, Richter Attack 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 C13 French Defense: Classical Variation, Richter Attack 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e5 Be7 7. Qg4 C13 French Defense: Classical Variation, Tartakower Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4 C13 French Defense: Classical Variation, Vistaneckis Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ng8 C14 French Defense: Classical Variation 1. e4 e6 2. d4 d5 3. Nc3 a6 4. Nf3 Nf6 5. e5 Nfd7 6. Bg5 C14 French Defense: Classical Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 C14 French Defense: Classical Variation, Alapin Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Nb5 C14 French Defense: Classical Variation, Pollock Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg4 C14 French Defense: Classical Variation, Rubinstein Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qd2 C14 French Defense: Classical Variation, Stahlberg Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 O-O 8. Nf3 c5 9. Qd2 Nc6 10. O-O-O c4 C14 French Defense: Classical Variation, Steinitz Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 C14 French Defense: Classical Variation, Tarrasch Variation 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Bd3 C15 French Defense: McCutcheon Variation, Wolf Gambit 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 Nf6 5. Bg5 C15 French Defense: Winawer Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 C15 French Defense: Winawer Variation, Alekhine Gambit Accepted 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+ C15 French Defense: Winawer Variation, Alekhine Gambit, Alatortsev Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2g3 O-O 8. Be2 Nc6 C15 French Defense: Winawer Variation, Alekhine Gambit, Kan Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+ 6. Nxc3 Nc6 C15 French Defense: Winawer Variation, Alekhine-Maróczy Gambit 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 C15 French Defense: Winawer Variation, Delayed Exchange Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 C15 French Defense: Winawer Variation, Exchange Variation, Canal Attack 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 Ne7 6. Qh5 C15 French Defense: Winawer Variation, Fingerslip Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 C15 French Defense: Winawer Variation, Fingerslip Variation, Kunin Double Gambit 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 dxe4 5. Qg4 Qxd4 C15 French Defense: Winawer Variation, Fingerslip Variation, Main Line 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 dxe4 5. Qg4 Nf6 6. Qxg7 Rg8 7. Qh6 C15 French Defense: Winawer Variation, Fingerslip Variation, Schwarz's Line 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd2 Ne7 5. Nb1 C15 French Defense: Winawer Variation, Kondratiyev Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 c5 5. exd5 Qxd5 6. Bd2 C15 French Defense: Winawer Variation, Winckelmann-Reimer Gambit 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. f3 C16 French Defense: Winawer Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 C16 French Defense: Winawer Variation, Petrosian Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 C17 French Defense: Winawer Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 C17 French Defense: Winawer Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 C17 French Defense: Winawer Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 7. Nf3 C17 French Defense: Winawer Variation, Advance Variation, Moscow Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg4 C17 French Defense: Winawer Variation, Bogoljubow Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 C17 French Defense: Winawer Variation, Bogoljubow Variation, Icelandic Defense 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. f4 C17 French Defense: Winawer Variation, Maróczy-Wallis Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc3 C17 French Defense: Winawer Variation, Retreat Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 C17 French Defense: Winawer Variation, Retreat Variation, Armenian Line 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 C18 French Defense: Winawer Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 C18 French Defense: Winawer Variation, Advance Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 C18 French Defense: Winawer Variation, Advance Variation, with Bd3 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bd3 C18 French Defense: Winawer Variation, Advance Variation, with Bd3 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bd3 Qc7 C18 French Defense: Winawer Variation, Advance Variation, with h4 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 C18 French Defense: Winawer Variation, Advance Variation, with h4 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 Qc7 C18 French Defense: Winawer Variation, Classical Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 C18 French Defense: Winawer Variation, Eingorn Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Kf8 C18 French Defense: Winawer Variation, Poisoned Pawn Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 C18 French Defense: Winawer Variation, Poisoned Pawn Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 C18 French Defense: Winawer Variation, Poisoned Pawn Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 Nbc6 C18 French Defense: Winawer Variation, Poisoned Pawn Variation Declined 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Bd3 C18 French Defense: Winawer Variation, Poisoned Pawn Variation, Main Line 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 C18 French Defense: Winawer Variation, Poisoned Pawn Variation, Paoli Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Kd1 C18 French Defense: Winawer Variation, Portisch-Hook Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 C18 French Defense: Winawer Variation, Warsaw Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 O-O C19 French Defense: Winawer Variation, Advance Variation, Smyslov Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4 C19 French Defense: Winawer Variation, Advance Variation, Smyslov Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. a4 Qc7 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Qd2 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Qd2 Bd7 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 Bd7 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 c4 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Nf3 Nge7 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qc7 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qc7 8. h4 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Bd3 Nbc6 8. Nf3 C19 French Defense: Winawer Variation, Positional Variation 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Nf3 Qa5 8. Bd2 Nge7 C20 Barnes Opening: Walkerling 1. f3 e5 2. e4 Nf6 3. Bc4 C20 Bongcloud Attack 1. e4 e5 2. Ke2 C20 Center Game 1. e4 e5 2. d4 C20 English Opening: The Whale 1. e4 e5 2. c4 C20 King's Pawn Game 1. e4 e5 C20 King's Pawn Game: Alapin Opening 1. e4 e5 2. Ne2 C20 King's Pawn Game: Bavarian Gambit 1. e4 e5 2. c4 d5 C20 King's Pawn Game: Beyer Gambit 1. e4 e5 2. d4 d5 C20 King's Pawn Game: Clam Variation, King's Gambit Reversed 1. e4 e5 2. d3 f5 C20 King's Pawn Game: Clam Variation, Radisch Gambit 1. e4 e5 2. d3 Nf6 3. f4 Bc5 C20 King's Pawn Game: King's Head Opening 1. e4 e5 2. f3 C20 King's Pawn Game: King's Head Opening 1. e4 e5 2. f3 Nf6 3. Nc3 C20 King's Pawn Game: Leonardis Variation 1. e4 e5 2. d3 C20 King's Pawn Game: MacLeod Attack 1. e4 e5 2. c3 C20 King's Pawn Game: MacLeod Attack, Lasa Gambit 1. e4 e5 2. c3 f5 C20 King's Pawn Game: MacLeod Attack, Norwalde Gambit 1. e4 e5 2. c3 d5 3. Qh5 Bd6 C20 King's Pawn Game: Mengarini's Opening 1. e4 e5 2. a3 C20 King's Pawn Game: Napoleon Attack 1. e4 e5 2. Qf3 C20 King's Pawn Game: Philidor Gambit 1. e4 e5 2. d4 d6 3. dxe5 Bd7 C20 King's Pawn Game: Tortoise Opening 1. e4 e5 2. Bd3 C20 King's Pawn Game: Wayward Queen Attack 1. e4 e5 2. Qh5 C20 King's Pawn Game: Wayward Queen Attack, Kiddie Countergambit 1. e4 e5 2. Qh5 Nf6 C20 King's Pawn Game: Wayward Queen Attack, Mellon Gambit 1. e4 e5 2. Qh5 Nc6 3. Bc4 Nh6 4. d3 g6 5. Qf3 f6 6. Ne2 d5 C20 King's Pawn Game: Weber Gambit 1. e4 e5 2. d3 d5 3. exd5 c6 4. dxc6 Nxc6 C20 King's Pawn Opening 1. e4 e5 2. b3 C20 King's Pawn Opening: Speers 1. e4 e5 2. Qg4 Nf6 3. Qf5 C20 King's Pawn Opening: Van Hooydoon Gambit 1. e4 e5 2. Qe2 Nc6 3. c3 Nf6 4. Nf3 Bc5 5. d4 exd4 6. cxd4 Nxd4 C20 Portuguese Opening 1. e4 e5 2. Bb5 C20 Portuguese Opening: Miguel Gambit 1. e4 e5 2. Bb5 Bc5 3. b4 C20 Portuguese Opening: Portuguese Gambit 1. e4 e5 2. Bb5 Nf6 3. d4 C21 Center Game 1. e4 e5 2. d4 exd4 3. Qxd4 C21 Center Game Accepted 1. e4 e5 2. d4 exd4 C21 Center Game: Halasz-McDonnell Gambit 1. e4 e5 2. d4 exd4 3. f4 C21 Center Game: Halasz-McDonnell Gambit, Crocodile Variation 1. e4 e5 2. d4 exd4 3. f4 Bc5 4. Nf3 Nc6 5. c3 C21 Center Game: Kieseritzky Variation 1. e4 e5 2. d4 exd4 3. Nf3 C21 Center Game: Kieseritzky Variation 1. e4 e5 2. d4 exd4 3. Nf3 c5 C21 Center Game: Kieseritzky Variation 1. e4 e5 2. d4 exd4 3. Nf3 c5 4. Bc4 C21 Center Game: Lanc-Arnold Gambit 1. e4 e5 2. d4 exd4 3. Nf3 Bc5 4. c3 C21 Center Game: Lanc-Arnold Gambit, Schippler Gambit 1. e4 e5 2. d4 exd4 3. Nf3 Bc5 4. c3 dxc3 5. Bc4 C21 Center Game: Ross Gambit 1. e4 e5 2. d4 exd4 3. Bd3 C21 Center Game: von der Lasa Gambit 1. e4 e5 2. d4 exd4 3. Bc4 C21 Danish Gambit 1. e4 e5 2. d4 exd4 3. c3 C21 Danish Gambit Accepted 1. e4 e5 2. d4 exd4 3. c3 dxc3 C21 Danish Gambit Accepted: Chigorin Defense 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Qe7 C21 Danish Gambit Accepted: Classical Defense 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Nf6 C21 Danish Gambit Accepted: Copenhagen Defense 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Bb4+ C21 Danish Gambit Accepted: Schlechter Defense 1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 d5 C21 Danish Gambit Accepted: Svenonius Defense 1. e4 e5 2. d4 exd4 3. c3 Ne7 C21 Danish Gambit Declined: Sörensen Defense 1. e4 e5 2. d4 exd4 3. c3 d5 C22 Center Game: Berger Variation 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 C22 Center Game: Charousek Variation 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. c3 Be7 C22 Center Game: Hall Variation 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4 C22 Center Game: Kupreichik Variation 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 5. Nc3 Bb4 6. Bd2 O-O 7. O-O-O Re8 8. Bc4 d6 9. Nh3 C22 Center Game: Normal Variation 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 C22 Center Game: Paulsen Attack Variation 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 C22 Center Game: l'Hermet Variation 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 f5 C23 Bishop's Opening 1. e4 e5 2. Bc4 C23 Bishop's Opening: Anderssen Gambit 1. e4 e5 2. Bc4 b5 3. Bxb5 c6 C23 Bishop's Opening: Boi Variation 1. e4 e5 2. Bc4 Bc5 C23 Bishop's Opening: Calabrese Countergambit 1. e4 e5 2. Bc4 f5 C23 Bishop's Opening: Calabrese Countergambit, Jaenisch Variation 1. e4 e5 2. Bc4 f5 3. d3 C23 Bishop's Opening: Four Pawns Gambit 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4 exf4 5. Nf3 Be7 6. d4 Bh4+ 7. g3 fxg3 8. O-O gxh2+ 9. Kh1 C23 Bishop's Opening: Khan Gambit 1. e4 e5 2. Bc4 d5 C23 Bishop's Opening: Lewis Countergambit 1. e4 e5 2. Bc4 Bc5 3. c3 d5 C23 Bishop's Opening: Lewis Countergambit 1. e4 e5 2. Bc4 Bc5 3. c3 d5 4. Bxd5 Nf6 C23 Bishop's Opening: Lewis Countergambit, Walker Variation 1. e4 e5 2. Bc4 Bc5 3. c3 d5 4. Bxd5 Nf6 5. d4 C23 Bishop's Opening: Lewis Gambit 1. e4 e5 2. Bc4 Bc5 3. d4 C23 Bishop's Opening: Lisitsyn Variation 1. e4 e5 2. Bc4 c6 3. d4 d5 4. exd5 cxd5 5. Bb5+ Bd7 6. Bxd7+ Nxd7 7. dxe5 Nxe5 8. Ne2 C23 Bishop's Opening: Lopez Gambit 1. e4 e5 2. Bc4 Bc5 3. Qe2 Nc6 4. c3 Nf6 5. f4 C23 Bishop's Opening: Lopez Variation 1. e4 e5 2. Bc4 Bc5 3. Qe2 C23 Bishop's Opening: Lopez Variation, Lopez Gambit 1. e4 e5 2. Bc4 Bc5 3. Qe2 Nf6 4. f4 C23 Bishop's Opening: McDonnell Gambit 1. e4 e5 2. Bc4 Bc5 3. b4 C23 Bishop's Opening: McDonnell Gambit, La Bourdonnais-Denker Gambit 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. c3 C23 Bishop's Opening: McDonnell Gambit, McDonnell Double Gambit 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. f4 C23 Bishop's Opening: Philidor Counterattack 1. e4 e5 2. Bc4 c6 C23 Bishop's Opening: Philidor Variation 1. e4 e5 2. Bc4 Bc5 3. c3 C23 Bishop's Opening: Pratt Variation 1. e4 e5 2. Bc4 Bc5 3. c3 Nf6 4. d4 exd4 5. e5 d5 6. exf6 dxc4 7. Qh5 O-O C23 Bishop's Opening: Stein Gambit 1. e4 e5 2. Bc4 Bc5 3. f4 C23 Bishop's Opening: Thorold Gambit 1. e4 e5 2. Bc4 b5 3. Bxb5 f5 C23 Bishop's Opening: del Rio Variation 1. e4 e5 2. Bc4 Bc5 3. c3 Qg5 C24 Bishop's Opening: Berlin Defense 1. e4 e5 2. Bc4 Nf6 C24 Bishop's Opening: Berlin Defense, Greco Gambit 1. e4 e5 2. Bc4 Nf6 3. f4 C24 Bishop's Opening: Kitchener Folly 1. e4 e5 2. Bc4 Nf6 3. d3 Be7 4. Nf3 O-O C24 Bishop's Opening: Krejcik Gambit 1. e4 e5 2. Bc4 Nf6 3. f3 Bc5 4. Ne2 Nc6 5. b4 C24 Bishop's Opening: Pachman Gambit 1. e4 e5 2. Bc4 Nf6 3. Ne2 Nxe4 4. Nec3 C24 Bishop's Opening: Ponziani Gambit 1. e4 e5 2. Bc4 Nf6 3. d4 C24 Bishop's Opening: Urusov Gambit, Panov Variation 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 d5 5. exd5 Bb4+ 6. c3 Qe7+ C24 Bishop's Opening: Vienna Hybrid 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 C24 Bishop's Opening: Warsaw Gambit 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. c3 C25 Vienna Gambit, with Max Lange Defense 1. e4 e5 2. Nc3 Nc6 3. f4 C25 Vienna Gambit, with Max Lange Defense: Cunningham Defense 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 Be7 C25 Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 C25 Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Alapin Variation 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. h4 g4 6. Ng5 d6 C25 Vienna Gambit, with Max Lange Defense: Hamppe-Allgaier Gambit, Thorold Variation 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Nc3 g5 5. h4 g4 6. Ng5 h6 7. Nxf7 Kxf7 8. d4 C25 Vienna Gambit, with Max Lange Defense: Hamppe-Muzio Gambit 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 C25 Vienna Gambit, with Max Lange Defense: Knight Variation 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 C25 Vienna Gambit, with Max Lange Defense: Pierce Gambit 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4 C25 Vienna Gambit, with Max Lange Defense: Quelle Gambit 1. e4 e5 2. Nc3 Nc6 3. f4 Bc5 4. fxe5 d6 C25 Vienna Gambit, with Max Lange Defense: Steinitz Gambit 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 C25 Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Fraser-Minckwitz Defense 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 b6 C25 Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Main Line 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 C25 Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Paulsen Defense 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 d6 C25 Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Sörensen Defense 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 g5 C25 Vienna Gambit, with Max Lange Defense: Steinitz Gambit, Zukertort Defense 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d4 Qh4+ 5. Ke2 d5 C25 Vienna Game 1. e4 e5 2. Nc3 C25 Vienna Game: Anderssen Defense 1. e4 e5 2. Nc3 Bc5 C25 Vienna Game: Fyfe Gambit 1. e4 e5 2. Nc3 Nc6 3. d4 C25 Vienna Game: Giraffe Attack 1. e4 e5 2. Nc3 Bc5 3. Qg4 C25 Vienna Game: Hamppe-Meitner Variation 1. e4 e5 2. Nc3 Bc5 3. Na4 C25 Vienna Game: Hamppe-Muzio Gambit 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O C25 Vienna Game: Hamppe-Muzio, Dubois Variation 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. Bc4 g4 6. O-O gxf3 7. Qxf3 Ne5 8. Qxf4 Qf6 C25 Vienna Game: Max Lange Defense 1. e4 e5 2. Nc3 Nc6 C25 Vienna Game: Omaha Gambit 1. e4 e5 2. Nc3 d6 3. f4 C25 Vienna Game: Paulsen Variation 1. e4 e5 2. Nc3 Nc6 3. g3 C25 Vienna Game: Paulsen Variation 1. e4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 Bc5 5. Nge2 d5 C25 Vienna Game: Paulsen Variation, Mariotti Gambit 1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 h5 5. Nf3 h4 C25 Vienna Game: Philidor Countergambit 1. e4 e5 2. Nc3 Nc6 3. d4 f5 C25 Vienna Game: Pierce Gambit, Rushmere Attack 1. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d4 g4 6. Bc4 gxf3 7. O-O d5 8. exd5 Bg4 9. dxc6 C25 Vienna Game: Stanley Variation, Meitner-Mieses Gambit 1. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Qf6 5. Nd5 C25 Vienna Game: Zhuravlev Countergambit 1. e4 e5 2. Nc3 Bb4 3. Qg4 Nf6 C26 Bishop's Opening: Horwitz Gambit 1. e4 e5 2. Bc4 Nf6 3. Nc3 b5 C26 Bishop's Opening: Vienna Hybrid, Spielmann Attack 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 C26 Vienna Game: Falkbeer Variation 1. e4 e5 2. Nc3 Nf6 C26 Vienna Game: Mengarini Variation 1. e4 e5 2. Nc3 Nf6 3. a3 C26 Vienna Game: Mieses Variation 1. e4 e5 2. Nc3 Nf6 3. g3 C26 Vienna Game: Mieses Variation, Erben Gambit 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 c6 C26 Vienna Game: Paulsen Variation, Pollock Gambit 1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 Nc6 5. Nge2 d5 6. exd5 C26 Vienna Game: Stanley Variation 1. e4 e5 2. Nc3 Nf6 3. Bc4 C26 Vienna Game: Stanley Variation, Eifel Gambit 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. Nge2 b5 C26 Vienna Game: Stanley Variation, Reversed Spanish 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bb4 C27 Bishop's Opening: Boden-Kieseritzky Gambit 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 C27 Bishop's Opening: Boden-Kieseritzky Gambit, Lichtenhein Defense 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 d5 C27 Vienna Game: Adams' Gambit 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. d4 C27 Vienna Game: Frankenstein-Dracula Variation 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 C27 Vienna Game: Stanley Variation, Alekhine Variation 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 6. Nf3 Nc6 7. Nxe5 C27 Vienna Game: Stanley Variation, Frankenstein-Dracula Variation 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Nc6 6. Nb5 g6 7. Qf3 f5 8. Qd5 Qe7 9. Nxc7+ Kd8 10. Nxa8 b6 C27 Vienna Game: Stanley Variation, Monster Declined 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 4. Qh5 Nd6 5. Bb3 Be7 C28 Bishop's Opening: Vienna Hybrid, Hromádka Variation 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bb4 5. Ne2 C28 Vienna Game: Stanley Variation, Bronstein Gambit 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. f4 Nxe4 5. Nf3 C28 Vienna Game: Stanley Variation, Three Knights Variation 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 C29 Vienna Game: Heyde Variation 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d4 C29 Vienna Game: Vienna Gambit 1. e4 e5 2. Nc3 Nf6 3. f4 C29 Vienna Game: Vienna Gambit, Bardeleben Variation 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 C29 Vienna Game: Vienna Gambit, Breyer Variation 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7 C29 Vienna Game: Vienna Gambit, Kaufmann Variation 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Bg4 6. Qe2 C29 Vienna Game: Vienna Gambit, Main Line 1. e4 e5 2. Nc3 Nf6 3. f4 d5 C29 Vienna Game: Vienna Gambit, Modern Variation 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 C29 Vienna Game: Vienna Gambit, Paulsen Attack 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 C29 Vienna Game: Vienna Gambit, Steinitz Variation 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. d3 C29 Vienna Game: Vienna Gambit, Wurzburger Trap 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Qh4+ 6. g3 Nxg3 7. Nf3 Qh5 8. Nxd5 C30 King's Gambit 1. e4 e5 2. f4 C30 King's Gambit Declined: Classical Variation 1. e4 e5 2. f4 Bc5 C30 King's Gambit Declined: Classical Variation 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 C30 King's Gambit Declined: Classical Variation, Euwe Attack 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Bg4 5. fxe5 dxe5 6. Qa4+ C30 King's Gambit Declined: Classical Variation, Rotlewi Countergambit 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. b4 C30 King's Gambit Declined: Classical Variation, Rubinstein Countergambit 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5 C30 King's Gambit Declined: Classical Variation, Walthoffen Attack 1. e4 e5 2. f4 Bc5 3. Qh5 C30 King's Gambit Declined: Classical, Hanham Variation 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. Nc3 Nd7 C30 King's Gambit Declined: Classical, Réti Variation 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 f5 5. fxe5 dxe5 6. d4 exd4 7. Bc4 C30 King's Gambit Declined: Classical, Soldatenkov Variation 1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. fxe5 C30 King's Gambit Declined: Classical, Svenonius Variation 1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 exf4 C30 King's Gambit Declined: Hobbs-Zilbermints Gambit 1. e4 e5 2. f4 Nc6 3. Nf3 g5 4. fxg5 h6 C30 King's Gambit Declined: Keene Defense 1. e4 e5 2. f4 Qh4+ 3. g3 Qe7 C30 King's Gambit Declined: Keene's Defense 1. e4 e5 2. f4 Qh4+ C30 King's Gambit Declined: Keene's Defense 1. e4 e5 2. f4 Qh4+ 3. g3 C30 King's Gambit Declined: Mafia Defense 1. e4 c5 2. f4 e5 C30 King's Gambit Declined: Miles Defense 1. e4 e5 2. f4 Nc6 3. Nf3 f5 C30 King's Gambit Declined: Norwalde Variation 1. e4 e5 2. f4 Qf6 C30 King's Gambit Declined: Norwalde Variation, Bücker Gambit 1. e4 e5 2. f4 Qf6 3. Nc3 Qxf4 4. Nf3 Bb4 5. Bc4 C30 King's Gambit Declined: Norwalde Variation, Schubert Variation 1. e4 e5 2. f4 Qf6 3. Nc3 Qxf4 4. d4 C30 King's Gambit Declined: Panteldakis Countergambit 1. e4 e5 2. f4 f5 C30 King's Gambit Declined: Panteldakis Countergambit, Greco Variation 1. e4 e5 2. f4 f5 3. exf5 Qh4+ C30 King's Gambit Declined: Panteldakis Countergambit, Pawn Sacrifice Line 1. e4 e5 2. f4 f5 3. exf5 exf4 4. Qh5+ g6 5. fxg6 Qe7+ 6. Kd1 C30 King's Gambit Declined: Panteldakis Countergambit, Schiller's Defense 1. e4 e5 2. f4 f5 3. exf5 Bc5 C30 King's Gambit Declined: Panteldakis Countergambit, Shirazi Line 1. e4 e5 2. f4 f5 3. exf5 exf4 4. Qh5+ Ke7 C30 King's Gambit Declined: Panteldakis Countergambit, Symmetrical Variation 1. e4 e5 2. f4 f5 3. exf5 exf4 4. Nf3 d5 5. d4 Bd6 6. Bd3 C30 King's Gambit Declined: Petrov's Defense 1. e4 e5 2. f4 Nf6 C30 King's Gambit Declined: Queen's Knight Defense 1. e4 e5 2. f4 Nc6 C30 King's Gambit Declined: Senechaud Countergambit 1. e4 e5 2. f4 Bc5 3. Nf3 g5 C30 King's Gambit Declined: Soller-Zilbermints Gambit 1. e4 e5 2. f4 f6 3. fxe5 Nc6 C30 King's Gambit Declined: Zilbermints Double Countergambit 1. e4 e5 2. f4 g5 C30 King's Gambit Declined: Zilbermints Double Gambit 1. e4 e5 2. f4 Nc6 3. Nf3 g5 C31 King's Gambit Declined: Falkbeer Countergambit 1. e4 e5 2. f4 d5 C31 King's Gambit Declined: Falkbeer Countergambit Accepted 1. e4 e5 2. f4 d5 3. exd5 C31 King's Gambit Declined: Falkbeer Countergambit, Anderssen Attack 1. e4 e5 2. f4 d5 3. exd5 e4 4. Bb5+ C31 King's Gambit Declined: Falkbeer Countergambit, Blackburne Attack 1. e4 e5 2. f4 d5 3. Nf3 C31 King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 C31 King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Morphy Defense 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. exd5 e4 5. d3 Bb4 6. Bd2 e3 C31 King's Gambit Declined: Falkbeer Countergambit, Hinrichsen Gambit 1. e4 e5 2. f4 d5 3. d4 C31 King's Gambit Declined: Falkbeer Countergambit, Miles Gambit 1. e4 e5 2. f4 d5 3. exd5 Bc5 C31 King's Gambit Declined: Falkbeer Countergambit, Milner-Barry Variation 1. e4 e5 2. f4 d5 3. Nc3 C31 King's Gambit Declined: Falkbeer Countergambit, Modern Transfer 1. e4 e5 2. f4 d5 3. exd5 exf4 C31 King's Gambit Declined: Falkbeer Countergambit, Nimzowitsch-Marshall Countergambit 1. e4 e5 2. f4 d5 3. exd5 c6 C31 King's Gambit Declined: Falkbeer Countergambit, Pickler Gambit 1. e4 e5 2. f4 d5 3. exd5 c6 4. dxc6 Bc5 C31 King's Gambit Declined: Falkbeer Countergambit, Rubinstein Variation 1. e4 e5 2. f4 d5 3. exd5 e4 4. Nc3 Nf6 5. Qe2 C31 King's Gambit Declined: Falkbeer Countergambit, Staunton Line 1. e4 e5 2. f4 d5 3. exd5 e4 C31 Van Geet Opening: Grünfeld Defense, Steiner Gambit 1. e4 e5 2. f4 d5 3. Nc3 dxe4 4. Nxe4 C32 King's Gambit Declined: Falkbeer Countergambit, Alapin Variation 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf2+ 8. Kd1 Qxd5+ 9. Nfd2 C32 King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Qe2 C32 King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit Accepted 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 C32 King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Keres Variation 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nd2 C32 King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Main Line 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5 C32 King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit, Old Line 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Qe2 C32 King's Gambit Declined: Falkbeer Countergambit, Charousek Variation 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Qe2 Qxd5 7. Nd2 f5 8. g4 C32 King's Gambit Declined: Falkbeer Countergambit, Tarrasch Variation 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Nf3 Bc5 7. Qe2 Bf5 8. g4 O-O C33 King's Gambit Accepted 1. e4 e5 2. f4 exf4 C33 King's Gambit Accepted: Basman Gambit 1. e4 e5 2. f4 exf4 3. Qe2 C33 King's Gambit Accepted: Bishop's Gambit 1. e4 e5 2. f4 exf4 3. Bc4 C33 King's Gambit Accepted: Bishop's Gambit, Anderssen Defense 1. e4 e5 2. f4 exf4 3. Bc4 g5 C33 King's Gambit Accepted: Bishop's Gambit, Anderssen Variation 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 c6 C33 King's Gambit Accepted: Bishop's Gambit, Bledow Countergambit 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Nf6 C33 King's Gambit Accepted: Bishop's Gambit, Bledow Variation 1. e4 e5 2. f4 exf4 3. Bc4 d5 C33 King's Gambit Accepted: Bishop's Gambit, Boden Variation 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nc6 C33 King's Gambit Accepted: Bishop's Gambit, Bogoljubow Defense 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6 C33 King's Gambit Accepted: Bishop's Gambit, Bogoljubow Variation 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 C33 King's Gambit Accepted: Bishop's Gambit, Boren-Svenonius Variation 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Qh4+ 5. Kf1 Bd6 C33 King's Gambit Accepted: Bishop's Gambit, Bryan Countergambit 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 b5 C33 King's Gambit Accepted: Bishop's Gambit, Chigorin's Attack 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d5 5. Bxd5 g5 6. g3 C33 King's Gambit Accepted: Bishop's Gambit, Classical Defense 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Ne7 5. Nc3 g5 6. d4 Bg7 C33 King's Gambit Accepted: Bishop's Gambit, Classical Defense, Cozio Attack 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Qf3 C33 King's Gambit Accepted: Bishop's Gambit, Cozio Defense 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 C33 King's Gambit Accepted: Bishop's Gambit, Cozio Variation 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 d6 C33 King's Gambit Accepted: Bishop's Gambit, First Jaenisch Variation 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf6 C33 King's Gambit Accepted: Bishop's Gambit, Fraser Variation 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3 fxg3 7. Qf3 C33 King's Gambit Accepted: Bishop's Gambit, Gianutio Gambit 1. e4 e5 2. f4 exf4 3. Bc4 f5 C33 King's Gambit Accepted: Bishop's Gambit, Greco Variation 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Bc5 C33 King's Gambit Accepted: Bishop's Gambit, Grimm Attack 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 d6 7. e5 C33 King's Gambit Accepted: Bishop's Gambit, Kieseritzky Gambit 1. e4 e5 2. f4 exf4 3. Bc4 b5 C33 King's Gambit Accepted: Bishop's Gambit, Lopez Defense 1. e4 e5 2. f4 exf4 3. Bc4 c6 C33 King's Gambit Accepted: Bishop's Gambit, Lopez Variation 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 C33 King's Gambit Accepted: Bishop's Gambit, Maurian Defense 1. e4 e5 2. f4 exf4 3. Bc4 Nc6 C33 King's Gambit Accepted: Bishop's Gambit, McDonnell Attack 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. d4 Ne7 7. g3 C33 King's Gambit Accepted: Bishop's Gambit, McDonnell Attack 1. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 g5 5. Nc3 Bg7 6. g3 C33 King's Gambit Accepted: Bishop's Gambit, Paulsen Attack 1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 Bb4 5. e5 C33 King's Gambit Accepted: Bishop's Gambit, Steinitz Defense 1. e4 e5 2. f4 exf4 3. Bc4 Ne7 C33 King's Gambit Accepted: Breyer Gambit 1. e4 e5 2. f4 exf4 3. Qf3 C33 King's Gambit Accepted: Carrera Gambit 1. e4 e5 2. f4 exf4 3. Qh5 C33 King's Gambit Accepted: Dodo Variation 1. e4 e5 2. f4 exf4 3. Qg4 C33 King's Gambit Accepted: Eisenberg Variation 1. e4 e5 2. f4 exf4 3. Nh3 C33 King's Gambit Accepted: Gaga Gambit 1. e4 e5 2. f4 exf4 3. g3 C33 King's Gambit Accepted: Lopez-Gianutio Countergambit, Hein Variation 1. e4 e5 2. f4 exf4 3. Bc4 f5 4. Qe2 Qh4+ 5. Kd1 fxe4 6. Nc3 Kd8 C33 King's Gambit Accepted: Mason-Keres Gambit 1. e4 e5 2. f4 exf4 3. Nc3 C33 King's Gambit Accepted: Orsini Gambit 1. e4 e5 2. f4 exf4 3. b3 C33 King's Gambit Accepted: Paris Gambit 1. e4 e5 2. f4 exf4 3. Ne2 C33 King's Gambit Accepted: Schurig Gambit, with Bb5 1. e4 e5 2. f4 exf4 3. Bb5 C33 King's Gambit Accepted: Schurig Gambit, with Bd3 1. e4 e5 2. f4 exf4 3. Bd3 C33 King's Gambit Accepted: Stamma Gambit 1. e4 e5 2. f4 exf4 3. h4 C33 King's Gambit Accepted: Tartakower Gambit 1. e4 e5 2. f4 exf4 3. Be2 C33 King's Gambit Accepted: Tartakower Gambit, Weiss Defense 1. e4 e5 2. f4 exf4 3. Be2 f5 4. exf5 d6 C33 King's Gambit Accepted: Tumbleweed 1. e4 e5 2. f4 exf4 3. Kf2 C33 King's Gambit Accepted: Villemson Gambit 1. e4 e5 2. f4 exf4 3. d4 C34 King's Gambit Accepted: Becker Defense 1. e4 e5 2. f4 exf4 3. Nf3 h6 C34 King's Gambit Accepted: Bonsch-Osmolovsky Variation 1. e4 e5 2. f4 exf4 3. Nf3 Ne7 C34 King's Gambit Accepted: Fischer Defense 1. e4 e5 2. f4 exf4 3. Nf3 d6 C34 King's Gambit Accepted: Fischer Defense, Schulder Gambit 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. b4 C34 King's Gambit Accepted: Fischer Defense, Spanish Variation 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 Nf6 5. Bd3 C34 King's Gambit Accepted: Gianutio Countergambit 1. e4 e5 2. f4 exf4 3. Nf3 f5 C34 King's Gambit Accepted: Greco Gambit 1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 h6 5. d4 g5 6. h4 Bg7 C34 King's Gambit Accepted: King's Knight's Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 C34 King's Gambit Accepted: King's Knight's Gambit 1. e4 e5 2. f4 exf4 3. Nf3 C34 King's Gambit Accepted: MacLeod Defense 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 C34 King's Gambit Accepted: Schallopp Defense 1. e4 e5 2. f4 exf4 3. Nf3 Nf6 C34 King's Gambit Accepted: Schallopp Defense, Tashkent Attack 1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. g4 C34 King's Gambit Accepted: Wagenbach Defense 1. e4 e5 2. f4 exf4 3. Nf3 h5 C35 King's Gambit Accepted: Cunningham Defense 1. e4 e5 2. f4 exf4 3. Nf3 Be7 C35 King's Gambit Accepted: Cunningham Defense, Bertin Gambit 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 C35 King's Gambit Accepted: Cunningham Defense, Bertin Gambit 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh1 C35 King's Gambit Accepted: Cunningham Defense, McCormick Defense 1. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf6 C36 King's Gambit Accepted: Abbazia Defense 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 C36 King's Gambit Accepted: Abbazia Defense, Main Line 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 Nd5 C36 King's Gambit Accepted: Modern Defense 1. e4 e5 2. f4 exf4 3. Nf3 d5 C36 King's Gambit Accepted: Modern Defense 1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 C37 King's Gambit Accepted: Australian Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. h4 C37 King's Gambit Accepted: Blachly Gambit 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Bc4 g5 C37 King's Gambit Accepted: Double Muzio Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. Bxf7+ C37 King's Gambit Accepted: Double Muzio Gambit, Baldwin Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. Nc3 Qd4+ 8. Kh1 Qxc4 9. Nd5 C37 King's Gambit Accepted: Double Muzio Gambit, Bello Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. Nc3 C37 King's Gambit Accepted: Double Muzio Gambit, Paulsen Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. e5 Qxe5 8. d3 Bh6 9. Nc3 Ne7 10. Bd2 Nbc6 11. Rae1 C37 King's Gambit Accepted: Double Muzio Gambit, Young Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 7. Bxf7+ Kxf7 8. d4 Qxd4+ 9. Be3 Qf6 10. Nc3 fxe3 C37 King's Gambit Accepted: Ghulam-Kassim Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. d4 C37 King's Gambit Accepted: Ghulam-Kassim Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. d4 gxf3 6. Qxf3 C37 King's Gambit Accepted: King's Knight's Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 C37 King's Gambit Accepted: Kotov Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. d4 gxf3 6. Bxf4 C37 King's Gambit Accepted: Lolli Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+ C37 King's Gambit Accepted: Lolli Gambit, Young Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+ Kxf7 6. O-O gxf3 7. Qxf3 Qf6 8. d4 Qxd4+ 9. Be3 Qf6 10. Nc3 C37 King's Gambit Accepted: McDonnell Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Nc3 C37 King's Gambit Accepted: Middleton Countergambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 d6 5. O-O Bg4 6. h3 h5 7. hxg4 hxg4 C37 King's Gambit Accepted: Muzio Gambit Accepted, From's Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qe7 C37 King's Gambit Accepted: Muzio Gambit, Brentano Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O d5 C37 King's Gambit Accepted: Muzio Gambit, Holloway Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Nc6 C37 King's Gambit Accepted: Muzio Gambit, Kling and Horwitz Counterattack 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O Qe7 C37 King's Gambit Accepted: Muzio Gambit, Sarratt Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf6 C37 King's Gambit Accepted: Muzio Gambit, Wild Muzio Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O C37 King's Gambit Accepted: Quaade Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Nc3 C37 King's Gambit Accepted: Rosentreter Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 C37 King's Gambit Accepted: Rosentreter Gambit, Bird Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Ne5 Qh4+ 6. g3 C37 King's Gambit Accepted: Rosentreter Gambit, Sörensen Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Nc3 C37 King's Gambit Accepted: Rosentreter Gambit, Testa Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Bxf4 C37 King's Gambit Accepted: Salvio Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 C37 King's Gambit Accepted: Salvio Gambit, Anderssen Counterattack 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 d6 C37 King's Gambit Accepted: Salvio Gambit, Cochrane Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 f3 C37 King's Gambit Accepted: Salvio Gambit, Santa Maria Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nf6 C37 King's Gambit Accepted: Salvio Gambit, Silberschmidt Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 C37 King's Gambit Accepted: Salvio Gambit, Viennese Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nc6 C37 King's Gambit Accepted: Silberschmidt Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 f3 C37 King's Gambit Accepted: Sörensen Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Ne5 C38 King's Gambit Accepted: Greco Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 h6 6. d4 d6 7. Nc3 c6 8. hxg5 hxg5 9. Rxh8 Bxh8 10. Ne5 C38 King's Gambit Accepted: Hanstein Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O C38 King's Gambit Accepted: Mayet Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. d4 d6 6. c3 C38 King's Gambit Accepted: Philidor Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. h4 C38 King's Gambit Accepted: Philidor Gambit, Schultz Variation 1. e4 e5 2. f4 exf4 3. Nf3 h6 4. Bc4 d6 5. d4 g5 6. h4 Bg7 7. Qd3 C38 King's Gambit Accepted: Traditional Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 C39 King's Gambit Accepted: Allgaier Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 C39 King's Gambit Accepted: Allgaier Gambit, Thorold Attack 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 C39 King's Gambit Accepted: Allgaier Gambit, Urusov Attack 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+ C39 King's Gambit Accepted: Allgaier, Blackburne Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Nc3 C39 King's Gambit Accepted: Allgaier, Cook Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. d4 d5 8. Bxf4 dxe4 9. Bc4+ Kg7 10. Be5+ C39 King's Gambit Accepted: Allgaier, Horny Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Qxg4 Nf6 8. Qxf4 Bd6 C39 King's Gambit Accepted: Allgaier, Schlechter Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 Nf6 C39 King's Gambit Accepted: Allgaier, Urusov Attack 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 Kxf7 7. Bc4+ d5 8. Bxd5+ Kg7 9. d4 C39 King's Gambit Accepted: Kieseritzky Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 C39 King's Gambit Accepted: Kieseritzky Gambit, Anderssen Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 C39 King's Gambit Accepted: Kieseritzky Gambit, Anderssen-Cordel Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. d4 Nh5 9. Bxf4 Nxf4 C39 King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 C39 King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, Rubinstein Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. d4 C39 King's Gambit Accepted: Kieseritzky Gambit, Berlin Defense, de Riviere Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Nxg4 d5 C39 King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 C39 King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4 C39 King's Gambit Accepted: Kieseritzky Gambit, Brentano Defense, Caro Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d5 6. d4 Nf6 7. Bxf4 Nxe4 8. Nd2 C39 King's Gambit Accepted: Kieseritzky Gambit, Cotter Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf7 C39 King's Gambit Accepted: Kieseritzky Gambit, Kolisch Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d6 C39 King's Gambit Accepted: Kieseritzky Gambit, Long Whip 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 C39 King's Gambit Accepted: Kieseritzky Gambit, Neumann Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nc6 C39 King's Gambit Accepted: Kieseritzky Gambit, Paulsen Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Bg7 C39 King's Gambit Accepted: Kieseritzky Gambit, Paulsen Defense Deferred 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bg7 C39 King's Gambit Accepted: Kieseritzky Gambit, Rice Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. O-O Bxe5 C39 King's Gambit Accepted: Kieseritzky Gambit, Rosenthal Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Qe7 C39 King's Gambit Accepted: Kieseritzky, Long Whip Defense, Jaenisch Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Rh7 7. d4 Bh6 8. Nc3 C39 King's Gambit Accepted: Kieseritzky, Polerio Defense 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Be7 C39 King's Gambit Accepted: Kieseritzky, Rice Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. Bc4 d5 7. exd5 Bd6 8. O-O C39 King's Gambit Accepted: Kieseritzky, Salvio Defense, Cozio Variation 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Qe7 6. d4 f5 7. Bc4 C39 King's Gambit Accepted: King's Knight's Gambit 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 C40 Elephant Gambit 1. e4 e5 2. Nf3 d5 C40 Elephant Gambit: Maróczy Gambit 1. e4 e5 2. Nf3 d5 3. exd5 Bd6 C40 Elephant Gambit: Paulsen Countergambit 1. e4 e5 2. Nf3 d5 3. exd5 e4 C40 Elephant Gambit: Wasp Variation 1. e4 e5 2. Nf3 d5 3. Nxe5 dxe4 4. Bc4 Qg5 C40 Gunderam Defense 1. e4 e5 2. Nf3 Qe7 C40 King's Knight Opening 1. e4 e5 2. Nf3 C40 King's Pawn Game: Busch-Gass Gambit 1. e4 e5 2. Nf3 Bc5 C40 King's Pawn Game: Busch-Gass Gambit, Chiodini Gambit 1. e4 e5 2. Nf3 Bc5 3. Nxe5 Nc6 C40 King's Pawn Game: Damiano Defense 1. e4 e5 2. Nf3 f6 C40 King's Pawn Game: Damiano Defense, Damiano Gambit 1. e4 e5 2. Nf3 f6 3. Nxe5 fxe5 4. Qh5+ g6 5. Qxe5+ Qe7 6. Qxh8 C40 King's Pawn Game: Damiano Defense, Damiano Gambit, Chigorin Gambit 1. e4 e5 2. Nf3 f6 3. Nxe5 Qe7 4. Nf3 d5 C40 King's Pawn Game: Gunderam Defense, Gunderam Gambit 1. e4 e5 2. Nf3 Qe7 3. Bc4 f5 C40 King's Pawn Game: Gunderam Gambit 1. e4 e5 2. Nf3 c6 C40 King's Pawn Game: La Bourdonnais Gambit 1. e4 e5 2. Nf3 Qf6 3. Bc4 Qg6 4. O-O C40 King's Pawn Game: McConnell Defense 1. e4 e5 2. Nf3 Qf6 C40 Latvian Gambit 1. e4 e5 2. Nf3 f5 C40 Latvian Gambit Accepted 1. e4 e5 2. Nf3 f5 3. exf5 C40 Latvian Gambit Accepted: Bilguer Variation 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 C40 Latvian Gambit Accepted: Bronstein Attack 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Be2 C40 Latvian Gambit Accepted: Bronstein Gambit 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Qh5+ g6 7. Qe2 C40 Latvian Gambit Accepted: Foltys Variation 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. d3 C40 Latvian Gambit Accepted: Foltys-Leonhardt Variation 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 C40 Latvian Gambit Accepted: Leonhardt Variation 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 C40 Latvian Gambit Accepted: Main Line 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 C40 Latvian Gambit Accepted: Nimzowitsch Attack 1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Ne3 C40 Latvian Gambit: Behting Variation 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Qg5 5. Nf7 Qxg2 6. Rf1 d5 7. Nxh8 Nf6 C40 Latvian Gambit: Corkscrew Countergambit 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Nf6 C40 Latvian Gambit: Corkscrew Gambit 1. e4 e5 2. Nf3 f5 3. Nxe5 Nf6 4. Bc4 fxe4 5. Nf7 Qe7 6. Nxh8 d5 C40 Latvian Gambit: Diepstraten Countergambit 1. e4 e5 2. Nf3 f5 3. c4 C40 Latvian Gambit: Fraser Defense 1. e4 e5 2. Nf3 f5 3. Nxe5 Nc6 C40 Latvian Gambit: Greco Variation 1. e4 e5 2. Nf3 f5 3. Nxe5 Qe7 C40 Latvian Gambit: Lobster Gambit 1. e4 e5 2. Nf3 f5 3. g4 C40 Latvian Gambit: Mason Countergambit 1. e4 e5 2. Nf3 f5 3. d4 C40 Latvian Gambit: Mayet Attack 1. e4 e5 2. Nf3 f5 3. Bc4 C40 Latvian Gambit: Mayet Attack, Morgado Defense 1. e4 e5 2. Nf3 f5 3. Bc4 Nf6 C40 Latvian Gambit: Mayet Attack, Poisoned Pawn Variation 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Qg5 5. d4 Qxg2 C40 Latvian Gambit: Mayet Attack, Polerio-Svedenborg Variation 1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5 C40 Latvian Gambit: Mayet Attack, Strautins Gambit 1. e4 e5 2. Nf3 f5 3. Bc4 b5 C40 Latvian Gambit: Mlotkowski Variation 1. e4 e5 2. Nf3 f5 3. Nc3 C40 Latvian Gambit: Senechaud Gambit 1. e4 e5 2. Nf3 f5 3. b4 C41 Philidor Defense 1. e4 e5 2. Nf3 d6 C41 Philidor Defense 1. e4 e5 2. Nf3 d6 3. d4 C41 Philidor Defense 1. e4 e5 2. Nf3 d6 3. Bc4 C41 Philidor Defense 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 C41 Philidor Defense: Albin-Blackburne Gambit 1. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Nd7 C41 Philidor Defense: Berger Variation 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O c5 8. Nf3 Nc6 9. Bg5 Be6 10. Re1 C41 Philidor Defense: Bird Gambit 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. c3 C41 Philidor Defense: Boden Variation 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Qxd4 Bd7 C41 Philidor Defense: Exchange Variation 1. e4 e5 2. Nf3 d6 3. d4 exd4 C41 Philidor Defense: Exchange Variation 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 C41 Philidor Defense: Exchange Variation 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 C41 Philidor Defense: Hanham Variation 1. e4 e5 2. Nf3 d6 3. d4 Nd7 C41 Philidor Defense: Hanham Variation, Delmar Variation 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. c3 C41 Philidor Defense: Hanham Variation, Krause Variation 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O C41 Philidor Defense: Hanham Variation, Schlechter Variation 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Nc3 C41 Philidor Defense: Hanham Variation, Sharp Variation 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Nb6 C41 Philidor Defense: Hanham Variation, Steiner Variation 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. O-O Be7 6. dxe5 C41 Philidor Defense: Hanham, Kmoch Variation 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 c6 5. Ng5 C41 Philidor Defense: Larsen Variation 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 C41 Philidor Defense: Lion Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 C41 Philidor Defense: Lion Variation, Bishop Sacrifice 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. Bxf7+ C41 Philidor Defense: Lion Variation, Delayed Bishop Sacrifice 1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. dxe5 dxe5 7. Bxf7+ C41 Philidor Defense: Lion Variation, Forcing Line 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. Ng5 O-O 7. Bxf7+ Rxf7 8. Ne6 C41 Philidor Defense: Lion Variation, Lion's Claw, with Bc4 and h6 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. O-O h6 C41 Philidor Defense: Lion Variation, Lion's Claw, with Be2 and c6 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Be2 Be7 6. O-O c6 C41 Philidor Defense: Lion Variation, Shirov Gambit 1. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Nc3 Ngf6 5. g4 C41 Philidor Defense: Lion Variation, Sozin Variation 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Qe2 c6 8. a4 exd4 C41 Philidor Defense: Lopez Countergambit 1. e4 e5 2. Nf3 d6 3. Bc4 f5 C41 Philidor Defense: Lopez Countergambit, Jaenisch Variation 1. e4 e5 2. Nf3 d6 3. d4 f5 4. Bc4 exd4 5. Ng5 Nh6 6. Nxh7 C41 Philidor Defense: Morphy Gambit 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Bc4 C41 Philidor Defense: Nimzowitsch Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 C41 Philidor Defense: Nimzowitsch Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 C41 Philidor Defense: Nimzowitsch Variation, Klein Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bc4 C41 Philidor Defense: Nimzowitsch Variation, Rellstab Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 C41 Philidor Defense: Nimzowitsch Variation, Sokolsky Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Nbd2 C41 Philidor Defense: Nimzowitsch, Larobok Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. Ng5 O-O 7. Bxf7+ C41 Philidor Defense: Nimzowitsch, Locock Variation 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Ng5 C41 Philidor Defense: Paulsen Attack 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 d5 5. exd5 C41 Philidor Defense: Philidor Countergambit 1. e4 e5 2. Nf3 d6 3. d4 f5 C41 Philidor Defense: Philidor Countergambit, Berger Variation 1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 Bc5 7. Nc3 C41 Philidor Defense: Philidor Countergambit, Zukertort Variation 1. e4 e5 2. Nf3 d6 3. d4 f5 4. Nc3 C41 Philidor Defense: Philidor Countergambit, del Rio Attack 1. e4 e5 2. Nf3 d6 3. d4 f5 4. dxe5 fxe4 5. Ng5 d5 6. e6 C41 Philidor Defense: Philidor Gambit 1. e4 e5 2. Nf3 d6 3. d4 Bd7 C41 Philidor Defense: Steinitz Variation 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. c3 C42 Petrov's Defense 1. e4 e5 2. Nf3 Nf6 C42 Petrov's Defense 1. e4 e5 2. Nf3 Nf6 3. Nxe5 C42 Petrov's Defense 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 C42 Petrov's Defense 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 C42 Petrov's Defense 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 C42 Petrov's Defense: Classical Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 C42 Petrov's Defense: Classical Attack, Berger Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2 C42 Petrov's Defense: Classical Attack, Chigorin Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 C42 Petrov's Defense: Classical Attack, Chigorin Variation, Browne Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nb4 9. cxd5 C42 Petrov's Defense: Classical Attack, Chigorin Variation, Main Line 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 Nb4 9. Be2 C42 Petrov's Defense: Classical Attack, Closed Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Nf6 C42 Petrov's Defense: Classical Attack, Jaenisch Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c4 C42 Petrov's Defense: Classical Attack, Krause Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. Re1 Bg4 9. c3 f5 10. c4 C42 Petrov's Defense: Classical Attack, Marshall Trap 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10. Re1 Bxh2+ C42 Petrov's Defense: Classical Attack, Marshall Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 C42 Petrov's Defense: Classical Attack, Marshall Variation, Chinese Gambit 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Re1 Bg4 C42 Petrov's Defense: Classical Attack, Maróczy Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. c4 Bh4 C42 Petrov's Defense: Classical Attack, Mason Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O C42 Petrov's Defense: Classical Attack, Mason-Showalter Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 C42 Petrov's Defense: Classical Attack, Staunton Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 C42 Petrov's Defense: Classical Attack, Tarrasch Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 C42 Petrov's Defense: Cochrane Gambit 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 C42 Petrov's Defense: Cochrane Gambit, Bishop Check Line 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. Bc4+ C42 Petrov's Defense: Cochrane Gambit, Center Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. d4 C42 Petrov's Defense: Cozio Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 C42 Petrov's Defense: Damiano Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 C42 Petrov's Defense: Damiano Variation, Kholmov Gambit 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe7 C42 Petrov's Defense: French Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 C42 Petrov's Defense: Italian Variation 1. e4 e5 2. Nf3 Nf6 3. Bc4 C42 Petrov's Defense: Karklins-Martinovsky Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3 C42 Petrov's Defense: Kaufmann Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. c4 C42 Petrov's Defense: Millennium Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 C42 Petrov's Defense: Moody Gambit 1. e4 e5 2. Nf3 Nf6 3. Qe2 Nc6 4. d4 C42 Petrov's Defense: Nimzowitsch Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 C42 Petrov's Defense: Paulsen Attack 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 C42 Petrov's Defense: Stafford Gambit 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 C42 Petrov's Defense: Stafford Gambit 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 C42 Petrov's Defense: Three Knights Game 1. e4 e5 2. Nf3 Nf6 3. Nc3 C43 Bishop's Opening: Urusov Gambit 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 C43 Bishop's Opening: Urusov Gambit, Keidansky Gambit 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd4 C43 Petrov's Defense: Modern Attack 1. e4 e5 2. Nf3 Nf6 3. d4 C43 Petrov's Defense: Modern Attack 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 C43 Petrov's Defense: Modern Attack, Bardeleben Variation 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2 Nc5 6. Nxd4 Nc6 C43 Petrov's Defense: Modern Attack, Center Attack 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 C43 Petrov's Defense: Modern Attack, Center Variation 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 C43 Petrov's Defense: Modern Attack, Murrey Variation 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nc6 C43 Petrov's Defense: Modern Attack, Steinitz Variation 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2 C43 Petrov's Defense: Modern Attack, Symmetrical Variation 1. e4 e5 2. Nf3 Nf6 3. d4 d5 C43 Petrov's Defense: Modern Attack, Tal Gambit 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Bb5 C43 Petrov's Defense: Modern Attack, Trifunovic Variation 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O O-O 7. c4 Bxe5 C44 Dresden Opening: The Goblin 1. e4 e5 2. Nf3 Nc6 3. c4 Nf6 4. Nxe5 C44 Irish Gambit 1. e4 e5 2. Nf3 Nc6 3. Nxe5 C44 King's Knight Opening: Konstantinopolsky 1. e4 e5 2. Nf3 Nc6 3. g3 C44 King's Knight Opening: Normal Variation 1. e4 e5 2. Nf3 Nc6 C44 King's Pawn Game: Dresden Opening 1. e4 e5 2. Nf3 Nc6 3. c4 C44 King's Pawn Game: Pachman Wing Gambit 1. e4 e5 2. Nf3 Nc6 3. b4 C44 King's Pawn Game: Schulze-Müller Gambit 1. e4 e5 2. Nf3 Nc6 3. Nxe5 Nxe5 4. d4 C44 King's Pawn Game: Tayler Opening 1. e4 e5 2. Nf3 Nc6 3. Be2 C44 King's Pawn Game: Tayler Opening 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d4 C44 King's Pawn Game: Tayler Opening, Basman Gambit 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d4 exd4 5. e5 C44 King's Pawn Game: Tayler Opening, Inverted Hanham 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 d5 5. Nbd2 C44 Latvian Gambit: Clam Gambit 1. e4 e5 2. Nf3 Nc6 3. d3 f5 4. exf5 C44 Ponziani Opening 1. e4 e5 2. Nf3 Nc6 3. c3 C44 Ponziani Opening: Caro Gambit 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7 C44 Ponziani Opening: Jaenisch Counterattack 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 C44 Ponziani Opening: Jaenisch Counterattack 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 C44 Ponziani Opening: Jaenisch Counterattack 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d5 C44 Ponziani Opening: Jaenisch Counterattack 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d5 5. Nbd2 C44 Ponziani Opening: Leonhardt Variation 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Nf6 C44 Ponziani Opening: Neumann Gambit 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. Bc4 C44 Ponziani Opening: Ponziani Countergambit 1. e4 e5 2. Nf3 Nc6 3. c3 f5 C44 Ponziani Opening: Ponziani Countergambit, Schmidt Attack 1. e4 e5 2. Nf3 Nc6 3. c3 f5 4. d4 d6 5. d5 C44 Ponziani Opening: Romanishin Variation 1. e4 e5 2. Nf3 Nc6 3. c3 Be7 C44 Ponziani Opening: Réti Variation 1. e4 e5 2. Nf3 Nc6 3. c3 Nge7 C44 Ponziani Opening: Spanish Variation 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Bb5 C44 Ponziani Opening: Spanish Variation, Harrwitz Attack, Nikitin Gambit 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Bb5 dxe4 5. Nxe5 Qd5 6. Qa4 C44 Ponziani Opening: Steinitz Variation 1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f6 C44 Ponziani Opening: Vukovic Gambit 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 Nxe4 5. d5 Bc5 C44 Scotch Game 1. e4 e5 2. Nf3 Nc6 3. d4 C44 Scotch Game 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 C44 Scotch Game: Benima Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 C44 Scotch Game: Cochrane Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. bxc3 Ba5 7. e5 C44 Scotch Game: Cochrane-Shumov Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Nxf7 Nxf7 7. Bxf7+ Kxf7 8. Qh5+ g6 9. Qxc5 d5 C44 Scotch Game: Göring Gambit 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 C44 Scotch Game: Göring Gambit, Bardeleben Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 Nf6 6. Nxc3 Bb4 C44 Scotch Game: Göring Gambit, Double Pawn Sacrifice 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 C44 Scotch Game: Göring Gambit, Main Line 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb4 C44 Scotch Game: Hanneken Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ 5. c3 dxc3 6. O-O cxb2 7. Bxb2 Nf6 8. Ng5 O-O 9. e5 Nxe5 C44 Scotch Game: Haxo Gambit 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 C44 Scotch Game: Lolli Variation 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 C44 Scotch Game: Lolli Variation 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxd4 exd4 5. Qxd4 C44 Scotch Game: Napoleon Gambit 1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxd4 exd4 5. Bc4 C44 Scotch Game: Relfsson Gambit 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb5 C44 Scotch Game: Scotch Gambit 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 C44 Scotch Game: Scotch Gambit, Advance Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 C44 Scotch Game: Scotch Gambit, Cochrane-Anderssen Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg4 C44 Scotch Game: Scotch Gambit, Dubois Réti Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 C44 Scotch Game: Scotch Gambit, Göring Gambit Declined 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 C44 Scotch Game: Scotch Gambit, Kingside Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ng4 C44 Scotch Game: Scotch Gambit, London Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+ C44 Scotch Game: Scotch Gambit, Sarratt Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 C44 Scotch Game: Sea-Cadet Mate 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 d6 6. Bc4 Bg4 7. O-O Ne5 8. Nxe5 Bxd1 9. Bxf7+ Ke7 10. Nd5# C44 Scotch Game: Vitzthum Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Qh5 C45 Scotch Game 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 C45 Scotch Game 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Bd2 C45 Scotch Game: Alekhine Gambit 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. e5 C45 Scotch Game: Blumenfeld Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. Nb5 C45 Scotch Game: Braune Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Be3 C45 Scotch Game: Classical Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 C45 Scotch Game: Classical Variation, Blackburne Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2 C45 Scotch Game: Classical Variation, Intermezzo Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 C45 Scotch Game: Classical Variation, Millennium Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Qg6 C45 Scotch Game: Fraser Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nf3 C45 Scotch Game: Ghulam-Kassim Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bd3 C45 Scotch Game: Gottschall Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Qd2 d5 8. Nb5 Bxe3 9. Qxe3 O-O 10. Nxc7 Rb8 11. Nxd5 Nxd5 12. exd5 Nb4 C45 Scotch Game: Horwitz Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 C45 Scotch Game: Horwitz Attack, Blackburne Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Bd2 Qxe4+ 7. Be2 Kd8 8. O-O Bxd2 9. Qxd2 C45 Scotch Game: Malaniuk Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ C45 Scotch Game: Meitner Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Nc2 C45 Scotch Game: Mieses Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 C45 Scotch Game: Modern Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb4 C45 Scotch Game: Paulsen Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 C45 Scotch Game: Paulsen Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nf5 C45 Scotch Game: Paulsen, Gunsberg Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb5 Nd8 C45 Scotch Game: Potter Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 C45 Scotch Game: Romanishin Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb4+ C45 Scotch Game: Rosenthal Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nb5 Bb4+ 6. Bd2 Qxe4+ 7. Be2 Kd8 8. O-O Bxd2 9. Nxd2 Qg6 C45 Scotch Game: Schmidt Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 C45 Scotch Game: Steinitz Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 C45 Scotch Game: Steinitz Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 C45 Scotch Game: Tartakower Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nd2 C46 Three Knights Opening 1. e4 e5 2. Nf3 Nc6 3. Nc3 C46 Three Knights Opening 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 C46 Three Knights Opening: Schlechter Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Nd5 Nf6 C46 Three Knights Opening: Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 C46 Three Knights Opening: Steinitz-Rosenthal Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nd5 C46 Three Knights Opening: Winawer Defense 1. e4 e5 2. Nf3 Nc6 3. Nc3 f5 C47 Four Knights Game 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 C47 Four Knights Game: Glek System 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 C47 Four Knights Game: Glek System 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3 C47 Four Knights Game: Gunsberg Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 C47 Four Knights Game: Halloween Gambit 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 C47 Four Knights Game: Halloween Gambit, Oldtimer Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Ng6 6. e5 Ng8 7. Bc4 Bb4 8. Qf3 f5 C47 Four Knights Game: Halloween Gambit, Plasma Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5 Nxe5 5. d4 Nc6 6. d5 Ne5 7. f4 Ng6 8. e5 Ng8 9. d6 cxd6 10. exd6 Qf6 11. Nb5 Rb8 C47 Four Knights Game: Italian Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 C47 Four Knights Game: Italian Variation, Noa Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+ C47 Four Knights Game: Scotch Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 C47 Four Knights Game: Scotch Variation Accepted 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 C47 Four Knights Game: Scotch Variation Accepted, Main Line 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O C47 Four Knights Game: Scotch Variation, Belgrade Gambit 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 C47 Four Knights Game: Scotch Variation, Belgrade Gambit, Modern Defense 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nxe4 6. Qe2 f5 C47 Four Knights Game: Scotch Variation, Krause Gambit 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 C47 Four Knights Game: Scotch Variation, Krause Gambit, Leonhardt Defense 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. Nxe5 Qe7 C47 Four Knights Game: Scotch Variation, Oxford Gambit 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 Bb4 5. d5 Nd4 C47 Four Knights Game: Scotch Variation, Schmid Defense 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxe4 C48 Four Knights Game: Spanish Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 C48 Four Knights Game: Spanish Variation, Bardeleben Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. O-O O-O 6. Nxe5 Nxe5 7. d4 Bd6 8. f4 Nc6 9. e5 Bb4 C48 Four Knights Game: Spanish Variation, Classical Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 C48 Four Knights Game: Spanish Variation, Ranken Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 C48 Four Knights Game: Spanish Variation, Rubinstein Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 C48 Four Knights Game: Spanish Variation, Rubinstein Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 C48 Four Knights Game: Spanish Variation, Rubinstein Variation 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Nxe5 Qe7 6. f4 C48 Four Knights Game: Spanish Variation, Rubinstein Variation Accepted 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4 C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Henneberger Variation 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Gambit 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Ba4 Bc5 6. Nxe5 O-O C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Marshall Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxe5 Bc5 6. O-O O-O C48 Four Knights Game: Spanish Variation, Rubinstein Variation, Maróczy Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Nxf3+ 6. Bxf3 Bc5 7. O-O O-O 8. d3 d6 9. Na4 Bb6 C48 Four Knights Game: Spanish Variation, Spielmann Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. Nxe5 Nxe4 7. Nxe4 Qd4 8. O-O Qxe5 9. Re1 Be6 10. d4 Qd5 C49 Four Knights Game: Spanish Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 C49 Four Knights Game: Spanish Variation, Alatortsev Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Qe7 7. Ne2 d5 C49 Four Knights Game: Spanish Variation, Double Spanish 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 C49 Four Knights Game: Spanish Variation, Double Spanish 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 C49 Four Knights Game: Spanish Variation, Gunsberg Counterattack 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. Nd5 Nxd5 7. exd5 e4 C49 Four Knights Game: Spanish Variation, Janowski Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Re1 C49 Four Knights Game: Spanish Variation, Nimzowitsch Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6 C49 Four Knights Game: Spanish Variation, Svenonius Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d5 C49 Four Knights Game: Spanish Variation, Symmetrical Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 C49 Four Knights Game: Spanish Variation, Symmetrical Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 9. Re1 Nd8 10. d4 Bg4 C49 Four Knights Game: Spanish Variation, Symmetrical Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7 C49 Four Knights Game: Spanish Variation, Symmetrical Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Ne2 C49 Four Knights Game: Spanish Variation, Symmetrical Variation, Blake Variation 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Ne7 8. Nh4 c6 9. Bc4 d5 10. Bb3 Qd6 C49 Four Knights Game: Spanish Variation, Symmetrical Variation, Metger Unpin 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Qe7 C49 Four Knights Game: Spanish Variation, Symmetrical Variation, Tarrasch Variation 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Be6 C50 Four Knights Game: Italian Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 C50 Italian Game 1. e4 e5 2. Nf3 Nc6 3. Bc4 C50 Italian Game: Anti-Fried Liver Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 C50 Italian Game: Blackburne-Kostić Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4 C50 Italian Game: Classical Variation, Albin Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. c3 C50 Italian Game: Deutz Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 C50 Italian Game: Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 C50 Italian Game: Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. Nc3 d6 6. d3 C50 Italian Game: Giuoco Pianissimo, Canal Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Bg5 C50 Italian Game: Giuoco Pianissimo, Dubois Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 f5 5. Ng5 f4 C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 C50 Italian Game: Giuoco Pianissimo, Lucchini Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 f5 C50 Italian Game: Giuoco Pianissimo, Normal 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 C50 Italian Game: Giuoco Piano 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 C50 Italian Game: Hungarian Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 C50 Italian Game: Hungarian Defense, Tartakower Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. c3 Nf6 6. e5 Ne4 C50 Italian Game: Jerome Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Bxf7+ C50 Italian Game: Paris Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 C50 Italian Game: Rosentreter Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d4 C50 Italian Game: Rousseau Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 f5 C51 Italian Game: Evans Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 C51 Italian Game: Evans Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 C51 Italian Game: Evans Gambit Accepted 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 C51 Italian Game: Evans Gambit Declined 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 C51 Italian Game: Evans Gambit Declined 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 C51 Italian Game: Evans Gambit Declined, Cordel Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. Bb2 C51 Italian Game: Evans Gambit Declined, Hicken Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Qf3 Qxe5 8. Qxf7+ Kd8 9. Bb2 C51 Italian Game: Evans Gambit Declined, Hirschbach Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 C51 Italian Game: Evans Gambit Declined, Lange Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6 C51 Italian Game: Evans Gambit Declined, Pavlov Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Nh6 7. d4 d6 8. Bxh6 dxe5 9. Bxg7 Rg8 10. Bxf7+ Kxf7 11. Bxe5 Qg5 12. Nd2 C51 Italian Game: Evans Gambit Declined, Showalter Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a6 6. Nc3 C51 Italian Game: Evans Gambit Declined, Vasquez Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. b5 Na5 6. Nxe5 Qg5 7. Bxf7+ Ke7 8. Qh5 C51 Italian Game: Evans Gambit, Anderssen Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 C51 Italian Game: Evans Gambit, Anderssen Variation, Cordel Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 C51 Italian Game: Evans Gambit, Fontaine Countergambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 b5 C51 Italian Game: Evans Gambit, Fraser Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4 C51 Italian Game: Evans Gambit, Fraser-Mortimer Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4 Bd7 11. Qb3 Na5 12. Bxf7+ Kf8 13. Qc2 C51 Italian Game: Evans Gambit, Göring Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5 C51 Italian Game: Evans Gambit, Harding Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. cxd4 Bb4+ 8. Bd2 C51 Italian Game: Evans Gambit, Hein Countergambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 d5 C51 Italian Game: Evans Gambit, Mayet Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bf8 C51 Italian Game: Evans Gambit, McDonnell Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 C51 Italian Game: Evans Gambit, McDonnell Defense, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 C51 Italian Game: Evans Gambit, Morphy Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 C51 Italian Game: Evans Gambit, Mortimer-Evans Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Bg4 10. Qa4 Bd7 11. Qb3 Na5 12. Bxf7+ Kf8 13. Qc2 Kxf7 C51 Italian Game: Evans Gambit, Paulsen Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2 Ne7 C51 Italian Game: Evans Gambit, Steinitz Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. Nc3 Na5 10. Bg5 f6 11. Be3 C51 Italian Game: Evans Gambit, Stone-Ware Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bd6 C51 Italian Game: Evans Gambit, Ulvestad Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb6 9. d5 Na5 10. Bb2 C52 Italian Game: Evans Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 C52 Italian Game: Evans Gambit, Alapin-Steinitz Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bg4 C52 Italian Game: Evans Gambit, Anderssen Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O Nf6 7. d4 exd4 C52 Italian Game: Evans Gambit, Bronstein Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 C52 Italian Game: Evans Gambit, Compromised Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 C52 Italian Game: Evans Gambit, Compromised Defense, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3 C52 Italian Game: Evans Gambit, Compromised Defense, Potter Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Rd1 C52 Italian Game: Evans Gambit, Dufresne Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O d3 C52 Italian Game: Evans Gambit, Johner Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O b5 C52 Italian Game: Evans Gambit, Laroche Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 Nf6 C52 Italian Game: Evans Gambit, Lasker Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bb6 C52 Italian Game: Evans Gambit, Leonhardt Countergambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 b5 C52 Italian Game: Evans Gambit, Levenfish Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 Qd7 8. dxe5 dxe5 9. O-O Bb6 10. Ba3 Na5 11. Nxe5 C52 Italian Game: Evans Gambit, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 C52 Italian Game: Evans Gambit, Mieses Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O Nge7 C52 Italian Game: Evans Gambit, Pierce Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 C52 Italian Game: Evans Gambit, Richardson Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O Nf6 7. d4 O-O 8. Nxe5 C52 Italian Game: Evans Gambit, Sanders-Alapin Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d6 7. d4 Bd7 C52 Italian Game: Evans Gambit, Slow Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O C52 Italian Game: Evans Gambit, Sokolsky Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Bg5 C52 Italian Game: Evans Gambit, Tartakower Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb3 C52 Italian Game: Evans Gambit, Waller Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O d6 8. Qb3 C53 Italian Game: Bird's Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 C53 Italian Game: Classical Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 C53 Italian Game: Classical Variation, Center Holding Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 C53 Italian Game: Classical Variation, Closed Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 C53 Italian Game: Classical Variation, Eisinger Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. d5 Nb8 7. d6 C53 Italian Game: Classical Variation, La Bourdonnais Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb6 C53 Italian Game: Classical Variation, Mestel Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. Bg5 C53 Italian Game: Classical Variation, Tarrasch Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb6 6. O-O d6 7. a4 a6 8. h3 Nf6 9. Re1 C54 Italian Game: Classical Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 C54 Italian Game: Classical Variation, Center Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 C54 Italian Game: Classical Variation, Ghulam-Kassim Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ne4 7. Bd5 Nxf2 8. Kxf2 dxc3+ 9. Kg3 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 O-O 7. O-O C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 h6 6. c3 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 Ba7 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 O-O C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. Re1 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. Re1 Ba7 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 h6 7. Re1 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 h6 7. Nbd2 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. c3 d5 C54 Italian Game: Classical Variation, Giuoco Pianissimo 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. c3 d6 C54 Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 C54 Italian Game: Classical Variation, Giuoco Pianissimo, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. Re1 a6 8. Bb3 Ba7 9. h3 C54 Italian Game: Classical Variation, Giuoco Pianissimo, with a4 a5 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. a4 a5 C54 Italian Game: Classical Variation, Giuoco Pianissimo, with a5 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a5 6. c3 C54 Italian Game: Classical Variation, Giuoco Pianissimo, with a6 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 C54 Italian Game: Classical Variation, Giuoco Pianissimo, with a6 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 a6 C54 Italian Game: Classical Variation, Giuoco Pianissimo, with h6 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 h6 C54 Italian Game: Classical Variation, Greco Gambit, Anderssen Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ C54 Italian Game: Classical Variation, Greco Gambit, Dubov Italian 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. b4 C54 Italian Game: Classical Variation, Greco Gambit, Greco Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 C54 Italian Game: Classical Variation, Greco Gambit, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 C54 Italian Game: Classical Variation, Greco Gambit, Modern Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 C54 Italian Game: Classical Variation, Greco Gambit, Modern Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 C54 Italian Game: Classical Variation, Greco Gambit, Moeller-Bayonet Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. g4 C54 Italian Game: Classical Variation, Greco Gambit, Moeller-Therkatz Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 C54 Italian Game: Classical Variation, Greco Gambit, Traditional Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 C54 Italian Game: Classical Variation, with d5 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d5 C54 Italian Game: Giuoco Piano, Aitken Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Ba3 C54 Italian Game: Giuoco Piano, Bernstein Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Qb3 d5 C54 Italian Game: Giuoco Piano, Cracow Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Kf1 C54 Italian Game: Giuoco Piano, Greco's Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 C54 Italian Game: Giuoco Piano, Holzhausen Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6 8. f4 Qe7 9. fxe5 dxe5 10. Nc3 C54 Italian Game: Giuoco Piano, Krause Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Ne5+ Kf6 12. f3 C54 Italian Game: Giuoco Piano, Rosentreter Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 g5 9. f4 C54 Italian Game: Giuoco Piano, Steinitz Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. bxc3 d5 10. Ba3 C54 Italian Game: Giuoco Piano, Therkatz-Herzog Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 O-O 14. Nxh7 C55 Italian Game: Two Knights Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 C55 Italian Game: Two Knights Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6 C55 Italian Game: Two Knights Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d5 C55 Italian Game: Two Knights Defense, Modern Bishop's Opening 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 C55 Italian Game: Two Knights Defense, Modern Bishop's Opening 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 C56 Italian Game: Scotch Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O C56 Italian Game: Scotch Gambit, Anderssen Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 C56 Italian Game: Scotch Gambit, Anderssen Attack, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bd2 Qd5 11. Bg5 C56 Italian Game: Scotch Gambit, Canal Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Nc3 C56 Italian Game: Scotch Gambit, Double Gambit Accepted 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 C56 Italian Game: Scotch Gambit, Janowski Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O d6 C56 Italian Game: Scotch Gambit, Max Lange Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 C56 Italian Game: Scotch Gambit, Max Lange Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 C56 Italian Game: Scotch Gambit, Max Lange Attack Accepted 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 exd4 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. fxg7 C56 Italian Game: Scotch Gambit, Max Lange Attack, Long Variation 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 C56 Italian Game: Scotch Gambit, Max Lange Attack, Spielmann Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 6. e5 Ng4 C56 Italian Game: Scotch Gambit, Nakhmanson Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Nc3 C56 Italian Game: Scotch Gambit, Walbrodt-Baird Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. O-O C56 Italian Game: Scotch Gambit, de Riviere Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Be7 C56 Italian Game: Scotch Invitation Declined 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 d6 C56 Italian Game: Two Knights Defense, Keidansky Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bc5 8. Nxc6 Bxf2+ 9. Kf1 Qh4 C56 Italian Game: Two Knights Defense, Max Lange Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 6. e5 C56 Italian Game: Two Knights Defense, Max Lange Attack, Berger Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. g4 Qg6 12. Nce4 Bb6 13. f4 O-O-O C56 Italian Game: Two Knights Defense, Max Lange Attack, Krause Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 Ng4 7. c3 C56 Italian Game: Two Knights Defense, Max Lange Attack, Loman Defense 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O Nf6 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 g6 C56 Italian Game: Two Knights Defense, Max Lange Attack, Rubinstein Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Bc5 6. e5 d5 7. exf6 dxc4 8. Re1+ Be6 9. Ng5 Qd5 10. Nc3 Qf5 11. Nce4 Bf8 C56 Italian Game: Two Knights Defense, Open Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 C56 Italian Game: Two Knights Defense, Perreux Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Ng5 C56 Italian Game: Two Knights Defense, Yurdansky Attack 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bg5 h6 11. Bh4 g5 12. Nf6+ Ke7 13. b4 C57 Italian Game: Two Knights Defense, Fegatello Attack, Leonhardt Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke6 8. Nc3 Nb4 9. Qe4 c6 10. a3 Na6 11. d4 Nc7 C57 Italian Game: Two Knights Defense, Fried Liver Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 C57 Italian Game: Two Knights Defense, Fritz Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 C57 Italian Game: Two Knights Defense, Fritz, Gruber Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. c3 b5 7. Bf1 Nxd5 8. Ne4 C57 Italian Game: Two Knights Defense, Kloss Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nb4 C57 Italian Game: Two Knights Defense, Knight Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 C57 Italian Game: Two Knights Defense, Knight Attack, Normal Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 C57 Italian Game: Two Knights Defense, Lolli Attack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 C57 Italian Game: Two Knights Defense, Pincus Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d4 Bb4+ C57 Italian Game: Two Knights Defense, Ponziani-Steinitz Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Nxe4 C57 Italian Game: Two Knights Defense, Traxler Counterattack 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 C57 Italian Game: Two Knights Defense, Traxler Counterattack, Bishop Sacrifice Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ C57 Italian Game: Two Knights Defense, Traxler Counterattack, King March Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kxf2 Nxe4+ 7. Ke3 C57 Italian Game: Two Knights Defense, Traxler Counterattack, Knight Sacrifice Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 C57 Italian Game: Two Knights Defense, Traxler Variation, Trencianske-Teplice Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+ Ke7 6. d4 C57 Italian Game: Two Knights Defense, Ulvestad Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 C57 Italian Game: Two Knights Defense, Ulvestad Variation, Kurkin Gambit 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 h6 7. Nxf7 C58 Italian Game: Two Knights Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 C58 Italian Game: Two Knights Defense, Blackburne Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 cxb5 C58 Italian Game: Two Knights Defense, Colman Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Rb8 C58 Italian Game: Two Knights Defense, Maróczy Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Be7 C58 Italian Game: Two Knights Defense, Paoli Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Qc7 9. Bd3 C58 Italian Game: Two Knights Defense, Polerio Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 C58 Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ C58 Italian Game: Two Knights Defense, Polerio Defense, Bogoljubow Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 C58 Italian Game: Two Knights Defense, Polerio Defense, Kieseritzky Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 C58 Italian Game: Two Knights Defense, Polerio Defense, Yankovich Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. Qe2 Nxc4 9. dxc4 Bc5 10. Nfd2 C59 Italian Game: Two Knights Defense, Knorre Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. d4 Qc7 12. Bd2 C59 Italian Game: Two Knights Defense, Polerio Defense, Göring Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Qc7 C59 Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 C59 Italian Game: Two Knights Defense, Steinitz Variation 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nh3 C60 Ruy Lopez 1. e4 e5 2. Nf3 Nc6 3. Bb5 C60 Ruy Lopez: Alapin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bb4 C60 Ruy Lopez: Alapin Defense, Alapin Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bb4 4. c3 Ba5 5. Bxc6 dxc6 C60 Ruy Lopez: Brentano Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 g5 C60 Ruy Lopez: Bulgarian Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a5 C60 Ruy Lopez: Cozio Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 C60 Ruy Lopez: Cozio Defense, Paulsen Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g6 C60 Ruy Lopez: Cozio Defense, Tartakower Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nge7 7. Nc3 O-O 8. Qd2 d5 C60 Ruy Lopez: Fianchetto Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 C60 Ruy Lopez: Fianchetto Defense, Kevitz Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 f5 C60 Ruy Lopez: Lucena Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Be7 C60 Ruy Lopez: Nürnberg Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 f6 C60 Ruy Lopez: Pollock Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 Na5 C60 Ruy Lopez: Retreat Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nb8 C60 Ruy Lopez: Rotary-Albany Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 b6 C60 Ruy Lopez: Spanish Countergambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 d5 C60 Ruy Lopez: Spanish Countergambit, Harding Countergambit, Fricke Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 d5 4. Nxe5 Qg5 5. O-O C60 Ruy Lopez: Spanish Countergambit, Harding Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 d5 4. Nxe5 Qg5 5. Nxc6 C60 Ruy Lopez: Vinogradov Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Qe7 C61 Ruy Lopez: Bird Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 C61 Ruy Lopez: Bird Variation, Paulsen Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O Ne7 C62 Ruy Lopez: Old Steinitz Defense, Semi-Duras Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. c4 C62 Ruy Lopez: Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 C62 Ruy Lopez: Steinitz Defense, Center Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 exd4 5. O-O C62 Ruy Lopez: Steinitz Defense, Nimzowitsch Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. Bxc6 C63 Ruy Lopez: Schliemann Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 C63 Ruy Lopez: Schliemann Defense, Classical Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 C63 Ruy Lopez: Schliemann Defense, Dyckhoff Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 C63 Ruy Lopez: Schliemann Defense, Exchange Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 C63 Ruy Lopez: Schliemann Defense, Jaenisch Gambit Accepted 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 C63 Ruy Lopez: Schliemann Defense, Kostić Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Be7 C63 Ruy Lopez: Schliemann Defense, Möhring Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 C63 Ruy Lopez: Schliemann Defense, Schönemann Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d4 C63 Ruy Lopez: Schliemann Defense, Tartakower Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf6 C64 Ruy Lopez: Classical Defense, Benelux Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6 C64 Ruy Lopez: Classical Defense, Boden Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Qe7 C64 Ruy Lopez: Classical Defense, Zaitsev Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. O-O Nd4 5. b4 C64 Ruy Lopez: Classical Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 C64 Ruy Lopez: Classical Variation, Central Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 C64 Ruy Lopez: Classical Variation, Charousek Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Bb6 C64 Ruy Lopez: Classical Variation, Cordel Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 f5 C64 Ruy Lopez: Classical Variation, Konikowski Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 d5 C64 Ruy Lopez: Classical Variation, Modern Main Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 O-O 6. d4 Bb6 7. Bg5 C64 Ruy Lopez: Classical Variation, Spanish Wing Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. b4 C65 Ruy Lopez: Berlin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 C65 Ruy Lopez: Berlin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Anderssen Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. Bxc6+ C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Duras Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c4 C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Kaufmann Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Be3 C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Trap 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 5. Nxe5 c6 C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 C65 Ruy Lopez: Berlin Defense, Beverwijk Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 C65 Ruy Lopez: Berlin Defense, Fishing Pole Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Ng4 C65 Ruy Lopez: Berlin Defense, Nyholm Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O C65 Ruy Lopez: Classical Variation, Zukertort Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c3 C65 Ruy Lopez: Halloween Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nxe5 C66 Ruy Lopez: Berlin Defense, Closed Bernstein Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 C66 Ruy Lopez: Berlin Defense, Closed Showalter Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bxc6 C66 Ruy Lopez: Berlin Defense, Closed Wolf Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 exd4 C66 Ruy Lopez: Berlin Defense, Hedgehog Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 C66 Ruy Lopez: Berlin Defense, Improved Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 C66 Ruy Lopez: Berlin Defense, Tarrasch Trap 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. O-O Be7 7. Re1 O-O C66 Ruy Lopez: Closed Berlin Defense, Chigorin Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Nd7 C67 Ruy Lopez: Berlin Defense, Berlin Wall 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Bd7 C67 Ruy Lopez: Berlin Defense, Cordel Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nf5 C67 Ruy Lopez: Berlin Defense, Minckwitz Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. dxe5 C67 Ruy Lopez: Berlin Defense, Pillsbury Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. b3 C67 Ruy Lopez: Berlin Defense, Rio Gambit Accepted 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 C67 Ruy Lopez: Berlin Defense, Rio de Janeiro Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 C67 Ruy Lopez: Berlin Defense, Rio de Janeiro Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nc3 O-O 10. Re1 Nc5 11. Nd4 Ne6 12. Be3 Nxd4 13. Bxd4 c5 C67 Ruy Lopez: Berlin Defense, Rosenthal Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6 C67 Ruy Lopez: Berlin Defense, Trifunovic Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 d5 C67 Ruy Lopez: Berlin Defense, Winawer Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. Nd4 C67 Ruy Lopez: Berlin Defense, Zukertort Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Be7 6. Qe2 Nd6 7. Bxc6 bxc6 8. dxe5 Nb7 9. c4 C67 Ruy Lopez: Berlin Defense, l'Hermet Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 C67 Ruy Lopez: Berlin Defense, l'Hermet Variation, Berlin Wall Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 C67 Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Ne4 C67 Ruy Lopez: Open Berlin Defense, Showalter Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Ba4 C67 Ruy Lopez: Open Berlin Defense, l'Hermet Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 C68 Ruy Lopez: Exchange Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 C68 Ruy Lopez: Exchange Variation, Alekhine Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd6 C68 Ruy Lopez: Exchange Variation, Keres Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 C68 Ruy Lopez: Exchange Variation, Lutikov Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 C68 Ruy Lopez: Exchange Variation, Romanovsky Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d3 C68 Ruy Lopez: Exchange, Alekhine Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 C69 Ruy Lopez: Exchange Variation, Alapin Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 C69 Ruy Lopez: Exchange Variation, Bronstein Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd6 C69 Ruy Lopez: Exchange Variation, Gligoric Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f6 C69 Ruy Lopez: Exchange Variation, King's Bishop Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd6 C69 Ruy Lopez: Exchange Variation, Normal Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O C70 Ruy Lopez: Bird's Defense Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nd4 C70 Ruy Lopez: Morphy Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 C70 Ruy Lopez: Morphy Defense, Alapin's Defense Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bb4 C70 Ruy Lopez: Morphy Defense, Caro Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 C70 Ruy Lopez: Morphy Defense, Classical Defense Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 C70 Ruy Lopez: Morphy Defense, Cozio Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 C70 Ruy Lopez: Morphy Defense, Fianchetto Defense Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 C70 Ruy Lopez: Morphy Defense, Graz Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 C70 Ruy Lopez: Morphy Defense, Norwegian Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 C70 Ruy Lopez: Morphy Defense, Norwegian Variation, Nightingale Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na5 6. Bxf7+ C70 Ruy Lopez: Morphy Defense, Schliemann Defense Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 C70 Ruy Lopez: Morphy Defense, Schliemann Defense Deferred, Jaenisch Gambit Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 5. exf5 C71 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 C71 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Nc3 C71 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c4 C71 Ruy Lopez: Noah's Ark Trap 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 d6 6. d4 Nxd4 7. Nxd4 exd4 8. Qxd4 c5 C72 Ruy Lopez: Closed, Kecskemet Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 Nf6 7. d4 Be7 8. Nbd2 O-O 9. Re1 Be8 C72 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O C73 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 C73 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 C74 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 C74 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. O-O C74 Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Siesta Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 C75 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 C75 Ruy Lopez: Morphy Defense, Modern Steinitz Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. d4 Nge7 C76 Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Ba4 d6 6. d4 Bd7 C77 Ruy Lopez: Morphy Defense, Anderssen Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 C77 Ruy Lopez: Morphy Defense, Bayreuth Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc6 C77 Ruy Lopez: Morphy Defense, Duras Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c4 C77 Ruy Lopez: Morphy Defense, Jaffe Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. c3 C77 Ruy Lopez: Morphy Defense, Mackenzie Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 C77 Ruy Lopez: Morphy Defense, Tarrasch Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 C77 Ruy Lopez: Morphy Defense, Wormald Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 C77 Ruy Lopez: Wormald Attack, Grünfeld Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Be7 7. d4 d6 8. c3 Bg4 C78 Ruy Lopez: Brix Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O g6 C78 Ruy Lopez: Central Countergambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d5 C78 Ruy Lopez: Morphy Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O C78 Ruy Lopez: Morphy Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 C78 Ruy Lopez: Morphy Defense, Arkhangelsk Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 C78 Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 C78 Ruy Lopez: Morphy Defense, Wing Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. a4 C78 Ruy Lopez: Rabinovich Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d6 7. Ng5 d5 8. exd5 Nd4 9. Re1 Bc5 10. Rxe5+ Kf8 C79 Ruy Lopez: Morphy Defense, Steinitz Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 C79 Ruy Lopez: Morphy Defense, Steinitz Deferred 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 C79 Ruy Lopez: Steinitz Defense Deferred, Boleslavsky Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Nxe4 8. Re1 f5 9. dxe5 d5 10. Nc3 C79 Ruy Lopez: Steinitz Defense Deferred, Lipnitsky Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. Bxc6+ bxc6 7. d4 Bg4 C80 Ruy Lopez: Morphy Defense, Tartakower Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Qe2 C80 Ruy Lopez: Open 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 C80 Ruy Lopez: Open 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 C80 Ruy Lopez: Open 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 C80 Ruy Lopez: Open 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 C80 Ruy Lopez: Open, Berger Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 9. Nxd4 exd4 10. Nc3 C80 Ruy Lopez: Open, Bernstein Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 C80 Ruy Lopez: Open, Bernstein Variation, Luther Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Bc5 10. Qe1 C80 Ruy Lopez: Open, Friess Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Nxe5 C80 Ruy Lopez: Open, Harksen Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. c4 C80 Ruy Lopez: Open, Karpov Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Ng5 C80 Ruy Lopez: Open, Knorre Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Nc3 C80 Ruy Lopez: Open, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 C80 Ruy Lopez: Open, Richter Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. d5 C80 Ruy Lopez: Open, Riga Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 exd4 C80 Ruy Lopez: Open, Schlechter Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. a4 Nxd4 C80 Ruy Lopez: Open, Skipworth Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 d5 C80 Ruy Lopez: Open, Zukertort Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Ne7 C81 Ruy Lopez: Open, Howell Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 C81 Ruy Lopez: Open, Howell Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. c4 C81 Ruy Lopez: Open, Howell Attack, Ekstrom Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 O-O 11. c4 bxc4 12. Bxc4 Qd7 C82 Ruy Lopez: Open 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 C82 Ruy Lopez: Open, Berlin Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 C82 Ruy Lopez: Open, Dilworth Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 O-O 11. Bc2 Nxf2 C82 Ruy Lopez: Open, Italian Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 C82 Ruy Lopez: Open, Motzko Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 C82 Ruy Lopez: Open, Motzko Attack, Nenarokov Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 Ne7 C82 Ruy Lopez: Open, St. Petersburg Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Nbd2 C83 Ruy Lopez: Open, Breslau Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Nxe5 C83 Ruy Lopez: Open, Classical Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 C83 Ruy Lopez: Open, Classical Defense, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 Be7 7. Re1 b5 8. Bb3 d5 9. dxe5 Be6 10. c3 C83 Ruy Lopez: Open, Malkin Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Nbd2 O-O 11. Qe2 C83 Ruy Lopez: Open, Tarrasch Trap 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 10. Re1 O-O 11. Nd4 Qd7 12. Nxe6 fxe6 13. Rxe4 C84 Ruy Lopez: Closed 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 C84 Ruy Lopez: Closed, Basque Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. c3 C84 Ruy Lopez: Closed, Center Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 C84 Ruy Lopez: Closed, Center Attack, Basque Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d4 exd4 7. e5 Ne4 8. c3 dxc3 C84 Ruy Lopez: Closed, Martinez Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 C84 Ruy Lopez: Closed, Morphy Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Nc3 C85 Ruy Lopez: Closed, Delayed Exchange 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 C86 Ruy Lopez: Closed, Worrall Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 C86 Ruy Lopez: Closed, Worrall Attack, Castling Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O C86 Ruy Lopez: Closed, Worrall Attack, Castling Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 Be7 6. O-O b5 7. Bb3 O-O 8. c3 d5 9. d3 C86 Ruy Lopez: Closed, Worrall Attack, Delayed Castling Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 d6 C87 Ruy Lopez: Closed, Averbakh Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 C88 Ruy Lopez: Closed 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 C88 Ruy Lopez: Closed 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O C88 Ruy Lopez: Closed, Alekhine Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. Nbd2 O-O 12. Nf1 Bg4 13. Ne3 Bxf3 14. Qxf3 C88 Ruy Lopez: Closed, Anti-Marshall 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 C88 Ruy Lopez: Closed, Balla Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. a4 C88 Ruy Lopez: Closed, Leonhardt Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3 Nc6 12. d5 Nb8 13. Nbd2 g5 C88 Ruy Lopez: Closed, Rosen Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 C88 Ruy Lopez: Closed, Trajkovic Counterattack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 Bb7 C88 Ruy Lopez: Noah's Ark Trap 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. d4 Nxd4 9. Nxd4 exd4 10. Qxd4 c5 C89 Ruy Lopez: Marshall Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 C89 Ruy Lopez: Marshall Attack, Main Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 C89 Ruy Lopez: Marshall Attack, Main Line, Spassky Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 Qh5 C89 Ruy Lopez: Marshall Attack, Modern Main Line 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 C89 Ruy Lopez: Marshall Attack, Modern Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 C89 Ruy Lopez: Marshall Attack, Original Marshall Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 Nf6 C89 Ruy Lopez: Marshall Attack, Re3 Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Bxd5 cxd5 13. d4 Bd6 14. Re3 C89 Ruy Lopez: Marshall Attack, Steiner Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 e4 C90 Ruy Lopez: Closed 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O C90 Ruy Lopez: Closed, Lutikov Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. Bc2 C90 Ruy Lopez: Closed, Pilnik Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. d3 d6 9. c3 C90 Ruy Lopez: Closed, Suetin Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. a3 C91 Ruy Lopez: Closed, Bogoljubow Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 C91 Ruy Lopez: Closed, Yates Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 C91 Ruy Lopez: Closed, Yates Variation, Short Attack 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg4 10. a4 C92 Ruy Lopez: Closed 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 C92 Ruy Lopez: Closed, Flohr System 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 C92 Ruy Lopez: Closed, Karpov Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 C92 Ruy Lopez: Closed, Kholmov Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Be6 C92 Ruy Lopez: Closed, Smyslov-Breyer-Zaitsev Hybrid 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 h6 C92 Ruy Lopez: Closed, Zaitsev System 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 C93 Ruy Lopez: Closed, Smyslov Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 C94 Ruy Lopez: Closed, Breyer Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 C94 Ruy Lopez: Closed, Breyer Defense, Quiet Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d3 C95 Ruy Lopez: Closed, Breyer 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 C95 Ruy Lopez: Closed, Breyer Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 c5 C95 Ruy Lopez: Closed, Breyer Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nh4 C95 Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 C96 Ruy Lopez: Closed, Borisenko Variation 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6 C96 Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 C96 Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 C96 Ruy Lopez: Closed, Chigorin Defense, Gajewski Gambit 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 d5 C96 Ruy Lopez: Closed, Keres Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nd7 C96 Ruy Lopez: Closed, Rossolimo Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c6 11. d4 Qc7 C97 Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 C97 Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 C97 Ruy Lopez: Closed, Chigorin, Yugoslav System 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Rfe8 14. Ne3 g6 C98 Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 C98 Ruy Lopez: Closed, Chigorin Defense 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 C99 Ruy Lopez: Closed, Chigorin Defense, Panov System 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4