5枚メジャーステイマン

[ブリッジ]5枚メジャーステイマン


https://en.wikipedia.org/wiki/Stayman_convention#Five_Card_Major_Stayman

Sさんから紹介していただいた5枚メジャーステイマンコンベンションのメモ

RonKlingerさん考案？

  • 1NT-2C…8HCP以上,TRF以外のハンドいろいろOK。主に3M,4Mあり/なし。(※M54非対応？)。
    • 2D = minimum, no 5M
    • 2M = minimum, 5M→OMの4枚はない。
    • 2NT = Maximum, no 5M
    • 3M = Maximum, 5M→OMの4枚はない。
  • 1NT-2C;2D(min)or2NT(max)
    • [FG]
    • 3C = (4M)Stayman
    • 3D = (H5S3)--> 3H(TRF)
    • 3H = (S5H3)--> 3S(TRF)
    • 3S = ?
    • 3NT = (no4M) to play

After a transfer, accept it with any 4333, bid 3NT with only two trumps, otherwise bid 4M.

  • 1NT-2C ; 2Dor2NT-3C = Stayman(4M[FG])
    • 3D = 4M333
    • 3H = H4, not 4333
    • 3S = S4, not 4333, not H4
    • 3NT = no 4M to play
  • 1NT-2C ; 2Dor2NT-3C ; 3D(4M333)
    • 3H = S4, notH4
    • 3S = H4, notS4
    • 3NT = to play(4333)
    • 4C = S4H4
    • 4D = ?
  • 1NT-2C;2D(min)
    • [S/O](ToPlay 2D)
    • 2H = H4(8-9pts)
    • 2S = S4(8-9pts) ,not H4
    • 2NT(8-9pts)
    • 3C以上[GF]上に記載
  • 1NT-2C;2H(H5,min)
    • P(H3,8-9pts)
    • 2NT[S/O](H2-,8-9pts)
    • 2S(H-fit,GF)SlamTry
    • 3NT(ToPlay)
    • 4H(ToPlay)
  • 1NT-2C;2S(S5,min)
    • P(S3,8-9pts)
    • 2NT[S/O](S2-,8-9pts)
    • 3H(S-fit,GF)SlamTry
    • 3NT(ToPlay)
    • 4S(ToPlay)