(_vs_min1nt_open)                                                     97/03/20

                            2B10. vs MINI 1NT OPENING
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^

  1. When 2nd Seat

    RHO  YOU  LHO  PTN
    1NT  ??

    Dbl   = 1) 13-15, (semi-)BAL  2) 16-18, no good 6+MAJ/MIN
    2C    = 1) 11-15, 6+CLU/DIA/HEA/SPA  2) 19+, any except BAL with (18)19-20
    2D    = 11-15, 5-4/5-5 MAJ
    2H    = 11-15, 5+HEA & 4+CLU/DIA
    2S    = 11-15, 5+SPA & 4+CLU/DIA
    2NT   = (18)19-20, BAL
    3C/3D/3H/3S = 16-18, good 6+CLU/DIA/HEA/SPA
    3NT   = 16-20, (semi-)Sol 6+CLU/DIA

  2. When 4th Seat

    LHO  PTN  RHO  YOU
    1NT  P    P    ??

          Dbl   = 1) 13-15, (semi-)BAL  2) 16-18, no good 6+MAJ/MIN
          2C    = 1) 11-15, 6+CLU/DIA/HEA/SPA
                  2) 19+, any except BAL with (18)19-20
          2D    = 11-15, 5-4/5-5 MAJ
          2H    = 11-15, 5+HEA & 4+CLU/DIA
          2S    = 11-15, 5+SPA & 4+CLU/DIA
          2NT   = (18)19-20, BAL
          3C/3D/3H/3S = 16-18, good 6+CLU/DIA/HEA/SPA
          3NT   = 16-20, (semi-)Sol 6+CLU/DIA

    LHO  PTN  RHO  YOU
    1NT  P    2C   ??

          Dbl   = 16+, any except BAL with (18)19-20
          2D/2H/2S = 11-15, good 5+DIA/HEA/SPA
          2NT   = (18)19-20, BAL
          3C/3D/3H/3S = 16-18, good 6+CLU/DIA/HEA/SPA
          3NT   = 16-20, (semi-)Sol 6+CLU/DIA
          Pass then Dbl = 11-15, takeout for others

  3. Further Development

   3-1. After 2nd Seat Dbl

    LHO  PTN  RHO  YOU
    1NT  Dbl  P    ??       : RHO's Pass = Force to Redbl

          Pass  = 1) 0-7, except below  2) 8-12, any
          2C    = 1) weak 5+CLU                   : Pass if Dbled
                  2) weak 5-4/5-5 SPA & DIA       : Rdbl if Dbled
                  3) weak 5-4/5-5 HEA & DIA       : 2D if Dbled
                  4) weak 5-4/5-5 HEA & SPA       : 2H if Dbled
          2D    = 1) weak 5+DIA                   : Pass if Dbled
                  2) weak 5-4/5-5 HEA & CLU       : Rdbl if Dbled
                  3) weak 5-4/5-5 SPA & HEA       : 2H if Dbled
                  4) weak 5-4/5-5 SPA & CLU       : 2S if Dbled
          2H    = weak 5+HEA, usually denies 4 SPA/MIN
          2S    = weak 5+SPA, usually denies 4 HEA/MIN
          2NT   = 13+, no good 5+MAJ/MIN, GF
          3C/3D/3H/3S = 13+, good 5+CLU/DIA/HEA/SPA, GF
          3NT   = 16-18, BAL

    LHO  PTN  RHO  YOU
    1NT  Dbl  P    P        : RHO's Pass = Force to Redbl
    Rdbl P    P    ??

          Pass  = 8-12, no good 5+DIA/HEA/SPA
          2C    = 1) weak BAL                     : Pass if Dbled
                  2) weak 3-suiter with SIN CLU   : Rdbl if Dbled
          2D/2H/2S = 8-12, good 5+DIA/HEA/SPA

    LHO  PTN  RHO  YOU
    1NT  Dbl  P    P
    Rdbl P    2C   ??

          Pass  = 0-7, any
          Dbl   = 8-12, no good 5+MAJ/MIN
          Suit  = 8-12, good 5+MAJ/MIN

    LHO  PTN  RHO  YOU
    1NT  Dbl  2C   ??

          Pass  = 0-7, any
          Dbl   = 8-12, no good 5+MAJ/MIN
          2D/2H/2S = 8-12, good 5+DIA/HEA/SPA
          2NT   = 13+, no good 5+MAJ/MIN, GF
          3D/3H/3S = 13+, good 5+DIA/HEA/SPA, GF
          3NT   = 16-18, no good 5+MAJ/MIN, GF

    RHO  YOU  LHO  PTN
    1NT  Dbl  2C   P
    P    ??

    Pass  = 13-15, any
    Dbl   = Penalty Dbl ; 16-18
    2D/2H/2S = 16-18, 5+DIA/HEA/SPA

   3-2. After 4th Seat Dbl

    RHO  YOU  LHO  PTN
    1NT  P    2C   Dbl
    P    ??

    Pass  = 0-7, good 4+CLU
    2D    = 0-7, any
    2H/2S = 8-12, 4+HEA/SPA, GF
    2NT   = 8-12, no 4 HEA/SPA, GF