Non-forcing 1NT
Opener may rebid a 3-card minor due to protection from the impossible 2♠.
| 1♥-1NT | CONST–INV, 0–3♠, 0–3♥ |
|---|---|
| 2♣ | 5+♥, 3+♣ or BAL 13–15 |
| 2♦ | 5+♥, UNBAL 3+♦ |
| 2♥ | MIN, 6+♥ |
| 2♠ | MAX, 4+♠, 5+♥ |
| 2NT | MAX, 6=♥, ≤ ♥AJ9 |
| 3♣ | MAX, 5+♣, 4+♥ |
| 3♦ | MAX, 5+♦, 5+♥ |
| 3♥ | MAX, 6+♥, AJT+ or 7+♥ |
| 3NT! | MAX P/C, 6+♦♣, 4=♥ |
| 3♠, 4♣♦ | MAX, 5+#, 6+♥ |
The threshold of suit quality is based on Binky Points:
Holding NT Suit KQJxxx 0.20 0.14 AT9xxx 0.13 0.14 KQJ9xx 0.21 0.19 AJxxxx 0.32 0.23 KQJTxx 0.29 0.26 KQJT9x 0.29 0.29 AJ9xxx 0.44 0.29 AJTxxx 0.57 0.40 AJT9xx 0.63 0.45 AQxxxx 0.76 0.52 AQ9xxx 0.86 0.57 AQTxxx 0.99 0.65—
holdings.new.txt, Binky Points computed by Thomas Andrews in 2008