# alias: InvitationalJump
# button-text: 3-Under Invitational Jump (11-12 HCP)
# gib-works: false
# bba-works: true
# auction-filter: Auction.....\n(1D Pass +3C|1H +Pass +3[CD]|1S Pass +3[CDH])
# convention-card-ns: 21GF-DEFAULT
# convention-card-ew: 21GF-GIB

/*@chat
--- 3 Under Invitational Jump (11-12 HCP)
  • 1!H - 3!C
  • 1!S - 3!C or 3!H
NOTE: This does not include jumps to 3D which is a 4-card Limit Raise.
https://tinyurl.com/4dvh42e7
@chat*/

dealer north

# Gavin's 3 Under Invitational Jump (11-12 HCP)

## Predict North's opening bid ##
# Calculate length points for north (lengthPoints)
lp1 = spades(north)>4 ? spades(north)-4 : 0
lp2 = hearts(north)>4 ? hearts(north)-4 : 0
lp3 = diamonds(north)>4 ? diamonds(north)-4 : 0
lp4 = clubs(north)>4 ? clubs(north)-4 : 0
lengthPoints = lp1 + lp2 + lp3 + lp4

# Calculate doubleton honor NT downgrade(s) for north -- 2 cards, 1 honor, not the Ace
S2H = spades(north)==2 and top4(north,spades)==1 and not hascard(north,AS) ? 1 : 0
H2H = hearts(north)==2 and top4(north,hearts)==1 and not hascard(north,AH) ? 1 : 0
D2H = diamonds(north)==2 and top4(north,diamonds)==1 and not hascard(north,AD) ? 1 : 0
C2H = clubs(north)==2 and top4(north,clubs)==1 and not hascard(north,AC) ? 1 : 0
ntDownGrade = S2H + H2H + D2H + C2H

# Define notrump points for north (ntPoints)
ntPoints = hcp(north) + lengthPoints - ntDownGrade

# Define suit points for north (suitPoints)
suitPoints = hcp(north) + lengthPoints

# Define robot notrump shape
ntShape = shape(north, any 4333 +any 4432 +any 5332 +any 5422)

# Define ntPoint ranges
oneNT = ntShape and ntPoints>14 and ntPoints<18

# Define Game Force 2C
gameForce2C = suitPoints>21

### Predict north's opening BID
P1 = gameForce2C
P2 = P1 or oneNT

# Predict north's Opening suit
s = spades(north)
h = hearts(north)
d = diamonds(north)
c = clubs(north)
s1Range = suitPoints>11 and suitPoints<22
oS = s>4 and s>=h and s>=d and s>=c and s1Range and not P2
oH = not oS and h>4 and h>=d and h>=c and s1Range and not P2
oD = not (oS or oH) and ((d>3 and d>=c) or c<3) and s1Range and not P2
oC = not (oS or oH or oD) and s1Range and not P2
openingSuit = (oS or oH or oD or oC)
oneSpade   = oS
oneHeart   = oH
oneDiamond = oD
oneClub    = oC
## End of predict north's opening bid ##

# Define NoMajorFit
sFit = oneSpade and spades(south)>2
hFit = oneHeart and hearts(south)>2
noMajorFit = not (sFit or hFit)

# Define pesky opps e/w distributions and HCP.  We don’t want them mucking up our auctions
calmEast = (shape(east,xxxx -any 8xxx -any 7xxx -any 6xxx -any 55xx) and hcp(east)<9) or (shape(east,any 4333 +any 4432) and hcp(east)<12)

# Define South's good suits -- 6+ cards with 2 of the top 3
goodHearts   = hearts(south)>5   and top3(south,hearts)  >1 and oneSpade  //only if north opened 1 spade
goodClubs    = clubs(south)>5    and top3(south,clubs)   >1

# South does NOT have a major
noMajorSouth = spades(south)<4 and hearts(south)<4


# Now do it.

(oneSpade or (oneHeart and noMajorSouth)) // these include 12-21 suitPoints
and calmEast
and noMajorFit
and hcp(south)>10 and hcp(south)<13
and (goodHearts or goodClubs)         // or goodDiamonds