Defence to 1NT

by David Stevenson [page 8 of 17]

Name:GenevaFrench [Weak NT]
Marvin [Weak NT]		 Exclusion Bids
Super Convention		Inverse Psycho Suction [Weak NT]
DblePenaltiesPenaltiesPenaltiesPenalties
2C H S or H + S
or D + H + S		 C or D/H/S H or C + D
2D S + C/D
or S, not weak,
or H + S, not weak		 C or S + C
or H + S + C		 D or C/H/S S or D + H
2H H + S, weak D or C + D
or S + C + D		 H or C/D/S C or H + S
2S S, weak H or D + H
or C + D + H		 S or C/D/H D or S + C
2NT C + D C or D   C + H or D + S
3C C C + H    
3D D D + S    
ACBL GCC:YesYes  
EBU L2/3:Yes   

Name:Mohan type 1Mohan type 2 Middlesex 
DblePenaltiesPenaltiesPenalties 
2C H + S H + S C or 4C + 5D/H/S  
2D HH D or 4D + 5C/H/S  
2H SS H or 4H + 5C/D/S  
2S S + C/D C + D S or 4S + 5C/D/H  
2NT H + C/D C  
3C  D  
3D     
ACBL GCC:YesYesYesYes
EBU L2:YesYesYes 
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