# alias: Texas
# button-text: GIB NT & Texas
# gib-works: true
# bba-works: true
# auction-filter: Auction.....\n1N +Pass +4[DH]
# curate: kind=bidding
# convention-card-ns: 21GF-DEFAULT
# convention-card-ew: 21GF-GIB

/*@chat
---  Texas Transfer
Texas Transfer show a 6+card major with either NO slam interest or intent to follow up with RKC.
With a 6+card major an a short suit. Jacoby then splinter shows slam interest (small are grand) due to shortness.
Jacoby followed directly by 4N is Quantitative.  Texas then 4N is RKC without shortness.
https://www.bridgebum.com/texas_transfer.php
4NT is Roman Keycard Blackwood (1430) with a trump suit agreed, or quantitative (inviting 6NT) in a notrump auction. Keycard responses:
  • 5!C = 1 or 4 keycards
  • 5!D = 0 or 3
  • 5!H = 2 without the trump queen
  • 5!S = 2 with the trump queen
@chat*/

# Texas Transfer
dealer south

#include "script/GIB-1N"
# Defines gibNT
#include "script/Calm-Opponents"
# Defines calmWest
#include "script/TP"
# Defines tpNorth

# South has a 6-card major w/o 4 in other major and (no slam interest or intending to RKC)
nS = spades(north)>5 and top5(north,spades)>2 and hearts(north)<4   // avoid Smolen
nH = hearts(north)>5 and top5(north,hearts)>2 and spades(north)<4
nM = (nS or nH)

gibNT and nM and tpNorth>9 and calmWest