Page 92 - 2 over 1 Game Force

Chapter 4: Notrump Opening 92

After Unusual 2NT Overcall

1NT-(2NT)-? 2NT = 2-minors

Responder bid
• DBL = Penalty at least one of their suits

• 3♣ = GF, Muppet Stayman

+
• 3♦ * = Transfer to 3♥, INV
+
• 3♥ * = Transfer to 3♠, INV
• 4♦ * = Transfer to 4♥

• 4♥ * = Transfer to 4♠

After a Two Suit Overcall

1NT-(2♣)-? 2♣ = 2-majors

• DBL = Penalty double, at least one of their suits
• 2♦ = Negative Free bid, 5-7 HCP, 5⁺ diamonds

+
• 2♥ = 8 HCP, show hearts stopper with one long minor suit
• 2♠ = 8⁺ HCP, show spades stopper, with one long minor suit

• 2NT = Transfer to 3♣
o 3♣ = as request

• Pass = to play
• 3♥ = GF, show stopper heart

• 3♠ = GF, show stopper spade

• 3NT = to play show both stopper

• 3♣ = Transfer to 3♦, GF
• 3♦ = Transfer to 3♥, GF, singleton ♥

• 3♥ = Transfer to 3♠, GF, singleton ♠

• 3♠ = GF, partial stop in both major.
• 3NT = 10-14 HCP, no stopper (♥ &♠)

1NT-(2♣)-? 2♣ = Unknown suit
Responder Rebid

• DBL = 8⁺ HCP, stayman

• System on

2 over 1 Game Force | 2D Strong Balanced & Gazzilli