# alias: TransferWalsh
# button-text: Transfer Walsh
# gib-works: false
# bba-works: true
# auction-filter: Auction.....\n1C +[PX1].* (X|1[DHSN]|[23]N)
# convention-card-ns: 21GF-DEFAULT
# convention-card-ew: 21GF-GIB

/*@chat
--- Transfer Walsh w/X-Y-NT
After 1!C...
• 1!D = 4+!H
• 1!H = 4+!S
• 1!S = No 4+ Major (usually 5+D)
·· If opener rebids 1N...
··• 2!C = relay to 2!D
··• 2!D = artificial Game Force
• 1N = 10-12 balanced
• 2N = 13-15 balanced
https://en.wikipedia.org/wiki/Transfer_Walsh#
@chat*/

# Transfer Walsh


dealer south

#include "script/Predict-Opening-1-Bid"
# Defines oneClub and allows a broad range of HCPs

# North responds
bal = shape(north,any 5422+any 5332+any 4432+any 4333)

MH = hearts(north)>3
MS = spades(north)>3 and not MH
M0 = not (MH or MS)

# Define North's responses
n1D = MH
n1H = MS
n1N = M0 and bal and hcp(north)>9  and hcp(north)<13
n2N = M0 and bal and hcp(north)>12 and hcp(north)<16
n3N = M0 and bal and hcp(north)>15
#n1S = M0 and not (n1N or n2N or n3N) and diamonds(north)>clubs(north)
#n2C = M0 and not (n1N or n2N or n3N or n1S)
n2C = M0 and not (n1N or n2N or n3N) and clubs(north)>4
n1S = M0 and not (n1N or n2N or n3N or n2C)

nResponds = hcp(north)>5

# South open's 1C and North Responds -- Transfer Walsh is on in competition
oneClub and hcp(south)>11 and nResponds   // BBO does not open most 11s


produce 40
action
printoneline,

average "1D        " 100 * n1D,
average "1H        " 100 * n1H,
average "1S        " 100 * n1S,
average "1N        " 100 * n1N,
average "2N        " 100 * n2N,
average "3N        " 100 * n3N,
average "2C        " 100 * n2C,
average "All       " 100 * (n1D or n1H or n1S or n1N or n2C or n2N or n3N),
average "1S & D>4  " 100 * (n1S and diamonds(north)>4),