[徵文] 精準2D之改良
【簡介:1.改良2D:通常54高花,可能4414或4405(不一定短D)
無身價6-9hcp,有身價9-11hcp
2.發明人:anthomylin
3.將精準制2D改良成破壞性】
【叫牌過程】 S AKTXXX
H QX
D KQXX
C J
S JXXX S
H AXXXX H KXXX
D D XXX
C KXXX C AXXXXX
S QXX
H JX
D AJXXXX
C QX
某年台中市月杯賽,雙無身價,西家開叫
S W N E
2D* 2S 3C**
3S 4D*** 4S 6C
X all pass
*改良2D
**C牌組,暗示H配合
***D控制,C配合
結果:公開室6CX+1,關閉室4SX+0
【設計理念】利用2門高花提前競叫,剝奪敵方叫牌空間
【廣用性】5%
【建設性】可以提前犧牲,甚至有雙配合牌局
【破壞性】敵方必須從2nt或是3線低花出聲
【智財權宣告】BBS或其他線上討論區之文章,經作者明示禁止轉載,請勿轉載引用。
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