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荷兰德克萨斯转移叫


lycier

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荷兰德克萨斯转移叫

 

此约定叫是由大卫·卡尔特先生设计的。

 

同伴开叫1NT-----?

 

4C = 傀儡接力至4D, 以后同伴将会止叫于一门高花。

4D = 转移至4H

4H = 转移至 4S

这种方法允许同伴应叫人双路止叫,也就使得拥有花色间张的同伴主打坐庄。

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