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Defensive Lead-signal-discardOffensive 1C, various featuresOffensive - balanced handsOffensive - 1-2 seatOffensive - 3-4 seat

 

Bocchi-Duboin

1§-1©

 

Pass=Trans -> DBL

     *3+©

     *MAX,unbal,0-1©

DBL=4+ª

1ª=8+HcP,No 4cd MAJOR

1NT=Natural

2§=8+HcP,5+¨

2¨=8+HcP,5+§

2©=5+ª

2ª=8-11HcP,4ª + 5¨

2NT=7-10HcP,5ª + 5¨

3§=8-11HcP,4ª + 5§

3¨=8-10HcP,6+¨,good