首 页 科大桥牌 桥战风云 引经据典 大师解惑 骏宜谈牌 Crazy专栏 大众评说 个人空间
  叫牌理论
  实战巡礼
  桥牌文学
 
 
 
◎叫牌理论◎

 

defense against multi

Option One: Double = Takeout of spades. Respond as you would to a double of a weak 2-bid, including lebensohl, if used.
2H = Takeout of hearts. Respond as to a double of a weak t-bid, including Lebensohl, if used. Pass, then double = Light takeout.
2S, 3H = Natural. A response in other major is a cuebid, jumps natural.
2N = 16-18. Respond as to a 2NT opening.
3m = Natural
3S = Strong and natural, 4H is a cuebid.
4m = 5+/5+ in the suit bid and a major. 4D over 4C asks for the major; 4H over 4D = pass if hearts or correct to spades. The following doubles are for Takeout:2D - P - 2M - Double Responses same as after weak 2-bid
2D - P - 2M - P - P - Double Lebensohl applies if used.
2D - P - 2H - P - 2S - Double

After 2D - P - 2M:

Double = takeout
4m = 5+/5+ in that minor and a major.
4D asks for major;
4M asks 'pass or correct'.
2N = 15-18. Respond as to 2N opening.
3M or 4M = Natural

After 2D - P - 2H - Double - 2S:

Double = Penalty opposite takeout of hearts.
3H = Natural assuming double is short in hearts.

After 2D - P - 2H - P - 2S - P - P -
Double = takeout of spades

After 2D - P - P same as weak 2-bid in Diamonds

2002-02-20

对于本站点的意见或建议,请向Crazy发邮件