Defence to 1NT

by David Stevenson [page 6 of 17]

Name:SoapGromöller Advanced GromöllerDixon
DblePenaltiesPenaltiesPenaltiesPenalties
2C H C or D or H + S C or D or H + S
or 4S + 5C/D
C + D/H/S
2D S H or S H or S D + H/S
2H 4H + 6C/D 5H + C/D 5H + C/D H + S
2S 4S + 6C/D 5S + C/D 5S + C/D C + D
2NT   C + D C + D  
3C C, 11-15    
3D D, 11-15    
ACBL GCC:Yes  Yes
EBU L2:Yes  Yes

Name:Petra (weak NT)   
DblePenalties   
2C D + H or H    
2D H + S or S    
2H H + C   
2S S + C/D    
2NT C + D   
3C     
3D     
ACBL GCC:Yes   
EBU L2:Yes   
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