Cara Mudah Belajar Sistim Penawaran Bridge yang Populer di BBO

3NT opener is gambling, solid 7-card minor tapi tidak ada  Ace atau King di warna lain.

4/4/4/4

Preemptive.

4NT dua minors

Preemptive, two suiter dengan paling kurang  5-5 di / .

Responses to opening bid

1NT over 1/1/1/1

5-9 HCP, tidak ada  fit, non forcing.

Simple raise

4-10 HCP, fit, non forcing.

Two over one responses