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Defence to 1NT

(1N)
  • Dbl
    + another suit
    • P
      Convert to penalty
    • 2
      P/C
    • 2
      Art. Strong ask
      • 2
        4-5. Min
      • 2
        Min. 4+m. 2N ask m
      • 2N
        4-4 majors Max
      • 3m
        4+ 4+m Max. 3 ask 5th
      • 3M
        5=M 4=oM max
      • 3N
        5+ 5+ max
    • 2/
      To play
  • 2m
    + m
    • P/2
      Preference
    • Raise
      Blocking
    • Suit
      To play
    • 2N
      Strong ask
      • 3m
        Min. 4=
      • 3om
        Max. 4= GF
      • 3
        Min. 5=
      • 3
        Max. 5= GF
  • 2M
    5+M Nat
  • 2N
    5+ 5+
  • 3X
    Preemptive