Page 86 - 2 over 1 Game Force
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Chapter 4: Notrump Opening     86



                                               •  4NT      = to play

                                               •  5♣       = to play, 5-5 clubs & hearts

                                               •  5♦       = Cue bid, spade support
                                 o 4NT      = to play, no fit

                                 o 5♣       = to play, minimum hand.
                                 o 5♦       = Cue bid, heart support, maximum hand

                                                 +
                                 +
                  •  4♦       = 9  HCP, 4⁺ ♦ & 5  ♥, slam try
                                 o 4♥       = 3⁺ hearts, minimum hand
                                 o 4♠       = 5 spades, find 5-3 fit, 2 hearts

                                               •  4NT      = to play

                                               •  5♣       = Cue bid, spades support
                                               •  5♦       = to play, 5-5 diamonds & hearts

                                 o 4NT      = to play, no fit, may support diamonds, min. hand.

                                 o 5♣       = Cue bid, hearts support
                                 o 5♦       = maximum hand, diamonds support

                  •  4♥       = 6⁺ hearts, slam try, NF (if weak → Texas Transfer 4♦)

                  •  4NT      = Quantitative to 6NT or 6♥ (if RKCB→Texas Transfer 4♦ then 4NT)


               2NT-3♦*-4♥ -?

               Responder rebids
                  •  4♠       = Cue bid

                  •  4NT      = RKCB1403

                  •  5♣/♦     = Cue bid


               2NT-3♥* -?

               Opener rebids

                  •  3♠       = as request
                                               +
                  •  4♠       = Super Accept, 4  ♠, maximum


               2NT-3♥*-3♠ -?

               Responder rebids
                  •  3NT      = COG






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