Page 99 - 2 over 1 Game Force
P. 99
Chapter 5: Two Level and Higher Opening 99
Bidding with Interference over 2♣ Opening
After a Double
2♣ - (DBL) -?
Responder bids (ROPI)
• Pass = Relay and Positive, Ace or King or 2 Queens
• XX = Bust Negative, less than 2 Queens
• 2♦/♥/♠ = Positive Responses, 2 of 3 top honors, 5⁺ cards
After a Simple Suit Overcall
2♣ - (2L) 2L = Natural Suit Overcall, 5⁺ cards
Responder bids (DOPI)
• Pass = Relay and Positive, Ace or King or 2 Queens
• DBL = Bust Negative, less than 2 Queens
• 2X = Positive Response, 2 of 3 top honors, 5⁺ cards
• 2NT = Positive Response, stopper in opponent suit
• Cue = Cue bid ask stop.
After a Preemptive Overcall
2♣ - (3P) -? 3P = (3♦/3♥/3♠) PRE, 7 cards
+
Responder bids (DOPI)
• Pass = Relay and Positive, Ace or King or 2 Queens
• DBL = Bust Negative, less than 2 Queens
• 3X = Positive Response, 2 of 3 top honors, 5⁺ cards
• 3NT = Positive Response, stopper in opponent suit
After a Two Suit Overcall
2♣ - (DBL) -? DBL = 2- suit; clubs and hearts
Responder bids (ROPI)
• XX = Bust Negative. Less than 2 queens
• Pass = Relay & Positive Responses, ace or king or 2 queens
• 2♦ = Positive Response, 5⁺ ♦
2 over 1 Game Force | 2D Strong Balanced & Gazzilli

