Page 149 - 2 over 1 Game Force
P. 149
Chapter 8: Conventional Double 149
Competitive Double
A competitive double is played through 3♠
Double of a raise opponent suit through 3♠, except opponent in balancing position is penalty
➢ 1♦ 1♥ 1♠ 2♥
DBL
➢ 1♣ 1♠ DBL 2♠
Pass Pass DBL
➢ 1♣ DBL 1♠ 3♥
DBL
Double of invitational cue bid, jump cue bid or any fit showing bid at 2 or 3-level
➢ 1♣ 1♠ DBL 2♣
DBL
➢ 1♦ 1♥ 1♠ 3♦
DBL
➢ 1♣ Pass 1♥ 1♠
Pass 2♥ DBL
Responding to competitive double
Partner of double bidder should choose the contract from alternatives suggestion from the
previous bidding, any non-jump bid is nonforcing,
Passing the double is required a suitable in defense with 4 trumps holding (3 trump holding at
3-level)
Cooperative Double
A cooperative double is a penalty suggestion holding at least 3 cards in the suit
doubled and no fit partner suit bid. The cooperative double is applied in this following
situation through 3♠ (higher double is penalty)
A double by bypassing the opportunity to redouble or to make the strength showing double
➢ 1♠ (DBL) Pass 2♣
Pass Pass DBL bypassed redouble→cooperative double
➢ 1♥ 2♥ Pass 2♠
Pass Pass DBL bypassed strength showing double→cooperative double
2 over 1 Game Force | 2D Strong Balanced & Gazzilli

