Unusual 2NT opening
The unusual 2NT opening is a preempt with 5+♦ and 5+♣. Bidding all strong hands with 1♣ frees up 2NT as a preempt.
I advise not opening 2NT for (30)55 in the first two seats.
| 2NT - | |
|---|---|
| 3♣♦ | S/O |
| 3♥! | (R) FG |
| 3♠! | PUP: S/T or UNBAL INV |
| 3NT, 4x | S/O |
| 4NT! | Equal preference between 5♣♦ |
| 2NT - 3♥ - | |
|---|---|
| 3♠! | SPL, 0–1♠ |
| 3NT! | SPL, 0–1♥ |
| 4♣ | MAX 1156 |
| 4♦ | MAX 1165 |
| 2NT - 3♥ - 4♣♦ - | |
|---|---|
| 4♥! | RKCB in ♣ |
| 4♠! | RKCB in ♦ |
| 4NT | S/O |
| 2NT - 3♠ - 3NT - | |
|---|---|
| 4♣ | INV, 3+♣ |
| 4♦ | INV, 3+♦ |
| 5♣! | S/T, 3+♣ |
| 5♦! | S/T, 3+♦ |