Bridge - Bidding System Bridge - Common Language 2005
OPENING
1♣ – 12-14 PC, balanced system, possible five ♣, 15+PC, 5+♣, 18+PC, arbitrary layout
1♦ – 12-17 PC, 5+♦, the 4♦ in the system 4441, the 4
Fitness Canoeing
| Opening | |||||
| Lambda | Delta | ||||
| NOT | – | 13+PC layout free | 13+PC layout free | ||
| 1♣ | – | 8-12PC balanced. May be 5-3-3-2 with a longer in the older one | 8-12PC without shortness | ||
| 1♦ | – | 0-7PC layout free | 0-7PC | ||
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Opening |
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1♣ |
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13+PC guarantees 3 trefle |
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1♦ |
– |
13+PC guarantees 4 kara (exception 4-4-3-2) |
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1♥ |
– |
13+PC guarantees 5+ hearts |
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1♠ |
– |
13+PC guarantees 5+ peaks |
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1NT |
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15-17PC balanced circuit. Maybe | ||
| Opening | ||||
| 1♣ | – | 16+PC random layout except for balanced layout and 22-24PC | ||
| 1♦ | – | 11-15PC 4+♦ | ||
| 1♥ | – | 11-15PC 5+♥ | ||
| 1♠ | – | 11-15PC 5+♠ | ||
| 1NT | – | 13-15PC balanced circuit. | ||
| Opening | |||
| NAT | NAT ++ | ||
| 1♣ | – | 12-18PC 5+♣. 4♣ if there is no five | 11-15PC without the top five or 19+ PC |
| 1♦ | – | 12-18PC 5+♦. 4♦ if there is no five | |
Opening