Defence to 1NT

by David Stevenson [page 15 of 17]

Name:MaestroStevenson type 1Stevenson type 2 Stevenson type 3
Dble C or D or 4H + 4S or
17+ HCP
C + D or D + H/S or
H + S
C + D or D or
H + S
C + D or
any 3-suiter
NOTEThese doubles were designed to work with Astro or Asptro. However, they may be used with other defences.
2C H + C/D H + C/D/longerS H + C/D/longerS H + C/D/longerS
2D S + C/D/H S + C/D/longerH S + C/D/longerH S + C/D/longerH
2H H H H H
2S S S S S
2NT C + D C + D C + D C + D
3C C C C C
3D D D D D
ACBL GCC: YesYesYesYes
EBU L2:     

Name:CANTMONK (Major Oriented Notrump Killer)  
Dble 14+, C or D or
14+, 4/4 H/S + other or 18+ HCP
C or D or 5332 with 5H/S or
17+ HCP
  
2C S + H/C H + S  
2D D or D + C/H/S 5H/S + 4C/D   
2H H H   
2S S S   
2NT Distributional C + H or
strong 2-suiter
   
3C C    
3D D    
ACBL GCC:Yes   
EBU L2:    
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