Competing at the 2-level
Major-oriented transfer system competes well with (1NT).
1♦ (1NT) | - |
---|---|
X | PEN, nearly BAL INV+ |
2♣! | TRF, 3+♦ |
2♦! | TRF, 5+♥ |
2♥! | TRF, 5+♠ |
2♠! | TRF, 5+♣ |
2NT! | TRF, PRE 7+♣ or FG 6+♣ |
3♣! | TRF, PRE 7+♦ or FG 6+♦ |
3♦! | TRF, PRE 7+♥ or FG 6+♥ |
3♥! | TRF, PRE 7+♠ or FG 6+♠ |
3♠! | Gambling, SOL 7+ suit with no stopper outside |
3NT! | Gambling, SOL 7+ suit with one stopper outside |
As clubs are directly under diamonds, bidding after 1♦ (2♣) is pretty natural.
1♦ (2♣) | - |
---|---|
X! | T/O, INV+ |
2♦ | CONST, 3+♦ |
2M | NF, 5+# |
2NT | NAT INV |
3♣! | INV+, 4+♦ |
3♦ | PRE, 4+♦ |
3M | FG, usually 6+# |
Competition with 1♦ (2M) models after Rubinsohl. The forcing raise 3♣ and the preemptive raise 3♦ weaponize the diamond fit. The Strawberry adjunct applies here just like 1♣ (2M).
1♦ (2M) | - |
---|---|
X! | OPT, INV+ |
2♠ | NF, 5+♠ |
2NT! | TRF, 5+♣ |
3♣! | INV+, 3+♦ |
3♦ | PRE, 4+♦ |
3♥! | FG, 5=OM |
3♥-3♠! | Ask for stopper |
3♠! | FG, 6+OM |