1 No Trump opening bid
(12 - 14 points, balanced)
| Response | Points & Shape | Opener's rebid |
|---|---|---|
| 2NT | 11 - 12 balanced | Pass (12), 3NT (13 - 14) |
| 3NT | 13 - 15 balanced | Pass |
| 4NT | 19 - 20 balanced | Pass (12 - 13), 6NT (14) |
| 6NT | 21 - 22 balanced | Pass |
| 5NT | 23 - 24 balanced | 6NT (12 - 13), 7NT (14) |
| 7NT | 25+ balanced | Pass |
| 2D, 2H, 2S | 0 - 9 and a 5 card suit | Pass |
| 3C, 3D | 16+ and a 5 card suit, very distributional | 4 of suit with 3 card support, 3NT with 2 card support |
| 3H, 3S | 12+ and a 5 card suit | 4 of suit with 3 card support, 3NT with 2 card support |
| 4H, 4S | 12+ and a 6 card suit | Pass |
| 2C | Stayman: asking for 4 card majors | see Table 11 |
| 4C | Gerber: asking for Aces | see Table 12 |