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Defensive Lead-signal-discardOffensive 1C 1-2 seat, 16+HcP, ANYOffensive 1-2 seatOffensive 3-4 seatOffensive 1C 3-4 seat, 16+HcP, ANY

GRECHAM 2006

1NT(strong)

 

DBL=Trans -> 2§

DBL-2§-Pass=5+§

DBL-2§-2¨=5+¨

DBL-2§-2©=5+© + 4+ª

DBL-2§-2ª=5+ª + 4+©

DBL-2§-2NT=

         #18-20HcP,bal

2§=5+§ + side MAJOR

2¨=5+¨ + side MAJOR

2©=5+©

2ª=5+ª

2NT=Good hand,

    *5© + a minor

    *5ª + a minor