# alias: OppsMulti2D
# button-text: Opps Multi 2D
# gib-works: false
# bba-works: true
# auction-filter: Auction.....\n2D +
# convention-card-ns: 21GF-DEFAULT
# convention-card-ew: 21GF-Multi

/*@chat
--- Opponents Multi 2!D
A Multi 2!D bid shows either a weak two in !H or !S or a 17-24 HCP 4441 hand.
See Bridge Bum's Defense to Multi 2!D:
https://www.bridgebum.com/defense_to_multi_2d_b.php
@chat*/

# Opps Multi 2D
dealer east

# Define East weak 2 bids
w2S = spades(east)==6 and top5(east,spades)>2 and hcp(east,spades)>4 and hearts(east)<4
w2H = hearts(east)==6 and top5(east,hearts)>2 and hcp(east,hearts)>4 and spades(east)<4

(
# Weak Two Bid
hcp(east)>5 and hcp(east)<11
and (w2S or w2H)
)or(
# 17-24 HCP with 4441
hcp(east)>16 and hcp(east)<25 and shape(east, any 4441)
)