awm, on 2013-June-11, 17:37, said:
1. Jump to six of a suit
2. 5NT
3. 5♠
4. 4NT, followed by a raise to six
5. 4NT, followed by 5♠
6. 4NT, followed by 5NT
7. 4NT, followed by bidding 5♥ over 5♣
8. 4NT, followed by six of a new suit
本帖来自于BBO专家级论坛,大意是:
当右手家直接开叫4♠,下面各种上6方式的区别?
1. 直接跳进6阶花色
2. 5NT
3. 5♠
4. 4NT争叫同伴应叫后,接着加叫至6阶。
5. 4NT后续以扣叫5♠
6. 4NT后续以 5NT
7. 4NT后续以5♥ 盖叫5♣
8. 4NT后续以6阶新花。