Page 145 - 2 over 1 Game Force

Chapter 7: Defensive Bidding 145

Defense to Strong Artificial Opening

Defense to 1♣ opening

After strong artificial 1♣ opening, the overcall are as below (weak hand)

Aggressor bids
• Double = ♦ or ♥+♠

• 1♦ = ♥ or ♠+♣

• 1♥ = ♠ or ♣+♦

• 1♠ = ♣ or ♦+♥
• 1NT = ♣+♥ or ♦+♠

Defense to 1♦ opening

After strong artificial 1♦ opening, the overcall are as below (weak hand)

Aggressor bids
• Double = ♥ or ♠+♣

• 1♥ = ♠ or ♣+♦

• 1♠ = ♣ or ♦+♥
• 1NT = ♣+♥ or ♦+♠

• 2♣ = ♦ or ♥+♠

Defense to 2♣ Opening

2♣ opening in natural system shows strong and game forcing hand.
All bidding shows weak hand and obstructive hand.

• Double = ♦ or ♥+♠

• 2♦ = ♥ or ♠+♣
• 2♥ = ♠ or ♣+♦

• 2♠ = ♣ or ♦+♥

• 2NT = ♣+♥ or ♦+♠

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