Pre-alertThank you partnerGood luck partnerExcellent partnerConvention card

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

Preempt

 

2©-DBL=#Lebensohl

2©-2ª=5+ª

2©-2NT=§+¨

2©-3§=5+§

2©-3¨=5+¨

2©-3©=ª+§

2©-3NT=Natural

2©-4§=strong + minors

2©-4¨=6+ª,Strong