Page 106 - 2 over 1 Game Force

Chapter 5: Two Level and Higher Opening 106

Bidding with Interference over 2♦

After a Double

After Penalty Double

2♦-(DBL)-? DBL = penalty, strength showing or suit showing

Responder bids

• Pass = 0-5 HCP,

• XX = 6⁺ HCP, strength showing, start inverted double
• System on

After Convention Double

2♦-(DBL)-? DBL = any meaning

Responder bids
• Pass = 0-5 HCP

• XX = 6⁺ HCP, strength showing, start inverted double

• System on

After a Simple Suit Overcall

2♦-(2♥)-?
Responder bids

• Pass = 0-5 HCP,

o DBL = 18-19 HCP, strength showing, suggest to penalty
• Pass = penalty

• 2♠ = 0-3 HCP, 5⁺ ♠

• 2NT = 0-5 HCP, to play
• 3♣ = 0-5 HCP, to play

• 3♦ = 0-5 HCP, to play

o 2♠ = 18-19 HCP, 5⁺ ♠
o 2NT = 18-19 HCP, stop in hearts

o 3♣ = 18-19 HCP, 5⁺ ♣

o 3♦ = 18-19 HCP, 5⁺ ♦
• DBL = Strength Showing, 6⁺ HCP, suggest to penalty, INV⁺ BAL

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