Game-forcing 2♣♦
Unpassed 2/1 is 100% game-forcing. Opener defaults to rebid 2♥. Opener’s reverses promise extra strength.
| 1♥-2♣- | NAT FG |
|---|---|
| 2♦ | 4+♦ |
| 2♥ | MIN |
| 2♠ | MAX, 4+♠ |
| 2NT | BAL MAX |
| 3♣ | MAX, 4+♣ |
| 3♦ | MAX, 5+♦ |
| 3♥ | MAX, 6+♥ |
| 3♠! | MIN SPL, 0–1♠, 4+♣ |
| 3NT | MIN, 3532 |
| 1♥-2♦- | NAT FG |
|---|---|
| 2♥ | MIN |
| 2♠ | MAX, 4+♠ |
| 2NT | BAL MAX |
| 3♣ | MAX, 4+♣ |
| 3♦ | MAX, 4+♦ |
| 3♥ | MAX, 6+♥ |
| 3♠! | MIN SPL, 0–1♠, 4+♦ |
| 3NT | MIN, 3523 |