# alias: OppsMichaelsCuebid
# button-text: Michaels Cuebid
# gib-works: true
# bba-works: true
# auction-filter: Auction.....\n(1C +2C|1D +2D|1H +2H|1S +2S)
# convention-card-ns: 21GF-DEFAULT
# convention-card-ew: 21GF-GIB

/*@chat
---  Opponents Michaels Cuebid.
Two-suited OR a good hand.
  • 1!C - 2!C = 5+!H & 5+!S
  • 1!D - 2!D = 5+!H & 5+!S
  • 1!H - 2!H = 5+!S & 5+(!C or !D)
  • 1!S - 2!S = 5+!H & 5+(!C or !D)
https://www.bridgebum.com/michaels_cuebid.php
@chat*/

dealer south

#include "script/TP"
# Defines tpNorth, tpWest
#include "script/Predict-Opening-1-Bid"
# Defines oneClub, oneDiamond, oneHeart, oneSpade

# Define West's suits for Michaels Cuebid
wS = top5(west,spades)>2   and spades(west)>4
wH = top5(west,hearts)>2   and hearts(west)>4
wD = top5(west,diamonds)>2 and diamonds(west)>4
wC = top5(west,clubs)>2    and clubs(west)>4

# Define South's opening bids
sOC = oC and wH and wS
sOD = oD and wH and wS
sOH = oH and (wS and (wC or wD))
sOS = oS and (wH and (wC or wD))
sOpens = (sOC or sOD or sOH or sOS) and hcp(south)>11

# Define ranges for North's continuations
force   = tpNorth>=13
invite  = tpNorth>=10 and not force
compete = tpNorth>=7  and not (force or invite)
preempt = tpNorth>=4  and not (force or invite or compete)  
nRange  = force or invite or compete or preempt

wMCB= shape(west,any 76xx +any 67xx +any 66xx +any 65xx +any 56xx +any 55xx) and hcp(west)>9 and tpWest<19 // avoid strong TO X

levPreempt = preempt and (hascard(east,2C) or hascard(east,2D)) // keep only 44% of preempts

sOpens and wMCB and nRange
and (force or invite or compete or levPreempt)

action
average "TP >=13 " 100 * force,
average "TP >=10 " 100 * invite,
average "TP >= 7 " 100 * compete,
average "TP >= 4 " 100 * preempt,