Setelah SAYC, 2/1, ACOL, Sekarang SEF, Barang Apa Itu?

5-10 HCP, tidak ada fit, non forcing.

Simple raise

5-10 HCP, fit, non forcing.

Two over one responses

10+ HCP, natural, forcing one round.

Jump-shifts

Jump-shifts sesudah opening bid level 1 menunjukan 16+ HC dan  good 6+ card suit, game forcing.

2NT response

Sesudah pembukaan  1/1

2NT  10-11 HCP, balanced, no fit, invitational.

Sesudah pembukaan 1/