| North | East | South | West |
| 1♥ | 1♠ | Pass | Pass |
| 1NT | 2♠ | X | 3♣ |
| Pass | Pass | X | 3♦ |
| X | 3NT | Pass | Pass |
| X | Pass | Pass | XX |
| 4♠ | ? |
| Bid | Rule | Alert | Priority | Operations |
| PASS | Undefine | - | - | |
| X | Undefine | - | - | |
| 4NT | Undefine | - | - | |
| 5♣ | Undefine | - | - | |
| 5♦ | Undefine | - | - | |
| 5♥ | Undefine | - | - | |
| 5♠ | Undefine | - | - | |
| 5NT | Undefine | - | - | |
| 6♣ | Undefine | - | - | |
| 6♦ | Undefine | - | - | |
| 6♥ | Undefine | - | - | |
| 6♠ | Undefine | - | - | |
| 6NT | Undefine | - | - | |
| 7♣ | Undefine | - | - | |
| 7♦ | Undefine | - | - | |
| 7♥ | Undefine | - | - | |
| 7♠ | Undefine | - | - | |
| 7NT | Undefine | - | - |