Stayman 2♣
- Weak: garbage (3+♠, 3+♥, 4+♦) or crawling (4+♠, 4+♥, 0–4♦)
- Invitational: 4=♥ or (4=♠, 0–4♥)
- Game-forcing: (4=♠ or 4=♥), but not (43)(xx)
| 1NT - 2♣ - | |
|---|---|
| 2♦! | 2–3♠, 2–3♥ |
| 2♥ | 4–5♥, 2–4♠ |
| 2♠ | 4–5♠, 2–3♥ |
1NT - 2♣ - 2♦
Second responses above 3NT remain the same, assuming misfit.
| 1NT - 2♣ - 2♦ - | |
|---|---|
| P | S/O, 4+♦ |
| 2♥ | P/C, 4+♥, 4+♠, 0–4♦ |
| 2♠ | INV, 5+♠, 4+♥ |
| 2NT | NAT INV |
| 3♣ | FG, 5+♣ |
| 3♦ | FG, 5+♦ |
| 3♥! | FG, Smolen TRF, 54(xx) |
| 3♠! | FG, Smolen TRF, 45(xx) |
| 4♣! | TRF, 6+♥, 4=♠, South African Texas |
| 4♦! | TRF, 6+♠, 4=♥, South African Texas |
| 4♥♠ | S/O |
| 4NT | QUANT INV to 6NT |
| 5NT | QUANT INV to 7NT |
1NT - 2♣ - 2♥
- The quantitative scheme remains, assuming misfit.
- 3♠ is a generic fit slam try, so 4NT is quantitative instead of RKCB.
| 1NT - 2♣ - 2♥ - | |
|---|---|
| 2♠ | INV, 5+♠, 4+♥ |
| 2NT | INV, 0–3♥, 4=♠ |
| 3♣ | FG, 5+♣, 0–3♥, 4=♠ |
| 3♦ | FG, 5+♦, 0–3♥, 4=♠ |
| 3♥ | INV, 4+♥, 0–4♠ |
| 3♠! | S/T, 4+♥ |
| 4♣♦! | S/T SPL, 0–1#, 4+♥ |
| 4NT | QUANT INV to 6NT |
| 5NT | QUANT INV to 7NT |
1NT - 2♣ - 2♠
- Only the standard quantitative scheme remains. Now 4♠ is a signoff.
- 3♥ is a generic fit slam try, so 4NT is quantitative instead of RKCB.
| 1NT - 2♣ - 2♠ - | |
|---|---|
| 2NT | INV, 0–3♠, 4=♥ |
| 3♣ | FG, 5+♣, 0–3♠, 4=♥ |
| 3♦ | FG, 5+♦, 0–3♠, 4=♥ |
| 3♥! | S/T, 4+♠ |
| 3♠ | INV, 4+♠ |
| 4♣♦♥! | S/T SPL, 0–1#, 4+♠ |
| 4♠ | S/O, 4+♠ |
| 4NT | QUANT INV to 6NT |
| 5NT | QUANT INV to 7NT |