# alias: KokishRelay
# button-text: Kokish Relay
# gib-works: false
# bba-works: true
# auction-filter: Note....Kokish Relay
# convention-card-ns: 21GF-SPECIALS
# convention-card-ew: 21GF-GIB

/*@chat
--- Kokish Relay
After the sequence 2!C - 2!D - 2!H
showing 22+ unbal with 5+H or 25-27 balanced GF
and forcing partner to accept the relay to 2!S.  Then
2N = 25+ Balanced game forcing
3!C = 5+!H and !C
3!D = 5+!H and !D
3!H = 6+!H
3!S = 5+!H and !S
https://www.bridgebum.com/kokish_relay.php
@chat*/

# Kokish Relay
dealer south

# Kokish relay shows unbal w/5+H and 4 on the side or a 25-27 NT
sHearts = hcp(south)>21 and hearts(south)>4 and shape(south,any 74xx +any 64xx +any 54xx)
sNT     = hcp(south)>24 and hcp(south)<28 and shape(south,any 5332+any 4432+any 4333) and not sHearts
s2C     = sHearts or sNT

# North bids 2D, waiting
n2D = hcp(north)<9

# Now do it
s2C and n2D

produce 5000
action
average "hearts  " 100 * sHearts,
average "notrump " 100 * sNT,