Balanced 1NT
1♣ - 1NT shows BAL 8–12 without a 5-card major. BAL 13+ responds 1♥ and rebids 1NT over the 1♠ relay. Both relay with 2♣ to the same answers.
| 1♣ - 1NT - | |
|---|---|
| 2♣! | (R) |
| 1♣ - 1NT - 2♣ - | |
|---|---|
| 2♦! | 4=♠ |
| 2♥! | 4=♥, 2–3♠ |
| 2♠! | 5=♣ |
| 2NT! | 5=♦ |
| 3♣ | 3343 |
| 3♦ | 3334 |
| 3♥! | 3244 |
| 3♠! | 2344 |
From 3♣ up, responder bids the suit where 3344 is a card short.
Note
I invented these response steps. Viking has a different table.
1♣ - 1NT -
2♣ -Viking Precision 2007 2♦! 12–14, then the rest one step higher 2♥ 4=♥, 2–4♠ 2♠ 4=♠, 2–3♥ 2NT no 4-card major or 5-card minor 3♣♦ 5=#, (5332) 3♥ 2245 3♠ 2254 3NT 3334
Spades 2♦
| 1♣ - 1NT - 2♣ - 2♦ - | |
|---|---|
| 2♥! | (R) |
| 2♥ - 2♠! | 4333 |
| 2♥ - 2NT | 4423 |
| 2♥ - 3♣! | 4432 |
| 2♥ - 3♦! | 4324 |
| 2♥ - 3♥! | 4342 |
| 2♥ - 3♠! | 4234 |
| 2♥ - 3NT | 4243 |
Hearts 2♥
| 1♣ - 1NT - 2♣ - 2♥ - | |
|---|---|
| 2♠! | (R) |
| 2♠ - 2NT! | 3433 |
| 2♠ - 3♣! | 3424 |
| 2♠ - 3♦! | 3442 |
| 2♠ - 3♥! | 2434 |
| 2♠ - 3♠! | 2443 |
Clubs 2♠
| 1♣ - 1NT - 2♣ - 2♠ - | |
|---|---|
| 2NT! | (R) |
| 2NT - 3♣! | 3325 |
| 2NT - 3♦! | 3235 |
| 2NT - 3♥! | 2335 |
Diamonds 2NT
| 1♣ - 1NT - 2♣ - 2NT - | |
|---|---|
| 3♣! | (R) |
| 3♣ - 3♦! | 3352 |
| 3♣ - 3♥! | 3253 |
| 3♣ - 3♠! | 2353 |