Bridge - Conventions Bridge - Fourth Color.
| Ott | Odp | Ott | Odp | Ott |
| 1♦ | 1♥ | 1♠ | 2♣ | 2♦ – 12-14PC 5♦ |
| 2♥ – 12-14PC 3♥ | ||||
| 2♠ – 15-17PC 5♦-4♠ | ||||
| 2NT – 15-17PC 4♦-4♠ holding ♣ | ||||
| 3♥ – 15-17PC 4♠ 3♥ 5♦ 1♣ | ||||
| 1♥ | 2♣ | 2♦ | 2♠ | – with fit 3 card in the color of the answer - reconciliation (3♣) |
| – with layout 5-5 repeating the second color (3♦) | ||||
| – with a stop in the fourth NT color (2NT) | ||||
| – if you can not do anything above - descent to the color of the opening (3♥) | ||||
| – at the top of the opening (15-17PC) we bid with a jump |