[文件] 2D=a weak M

[qwertyuiop (初衷)]

2D! ps  S/O
    2H! P/C
    2S! P/C, if H inv+
    2N! relay
    3C  NF              (3x=C good fit, x spl)
    3D  6+M inv+
    3H! PRE, P/C        (opener cannot bid 4M)
    3S! P/C, CoG of 4H
    3N  S/O
    4m  STR m, ST
    4H  P/C             (opener cannot bid 5M)
    4S  S/O


2D! 2H!                                 2D! 2S!
2S  2N  inv                             2N/3C   Max/min, 6+H
    3x  S/O                                 3m  S/O
    3S  S inv                               3H  H inv
                                            3S  S/O


2D! 2N!
3C!     min
    3D! relay, FG+
        3H      S       (3S=ask, then 3N=bad S, 4x=good S, x spl)
        3S      good H, BAL
        3N      bad H
        4m      good H, m spl
        4H      good H, S spl
    3M! P/C
    3N  S/O
    4m  strong 6+m, F
3D!     Max, bad H suit
3H!     Max, bad S suit
3S!     Max, good H suit
3N!     Max, good S suit
       (then 3M/3N/4M=S/O, else set M cue-bid ask for singlet etc.)


2D! 3D!
3H      S suit, 對H不受邀
3S      H suit, 對S不受邀
3N      H suit, 對S受邀         (4C=ask, then 4D/H=C/D spl, 4S=無短門)
4x      S suit, 對H受邀, 報短門
4H      S suit, 對H受邀, 無短門


2D! (X) ps      D       (開叫的人有好牌組+短方塊可以改)
        XX      自己有一門要跑, puppet to 2H
        else the same


2D!(2M) ps      nothing
        X       處罰
        2N/3C   C/D
        3D+ the same


2D! 2N! (any); ps       nothing special
                   X    penalty
                   3/4M P/C
                   else NAT FG+, 要求報短門
               X        高限爛牌組, 合作
               3M       高限好牌組


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