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Responses to 1NT when it has been Doubled

Page 4

by David Stevenson

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This article is continued from here

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Note that D or H + S means diamonds or the majors, and not a red suit plus spades, which would be expressed as D/H + S.

If you want to print these diagrams see here for a printer-friendly set of pages without all the headings, and with only one or two diagrams per page.

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Name: HelvicModified HelvicSwineTwisted Swine
PassRequires redblRequires redbl Requires redblRequires redbl
Redbl Forces 2C Forces 2C Forces 2C Forces 2C
2C C + D C + D C + H/S C + H/S
2D D + H D + H D + S D + H
2H H + S H + S H, fair hand H + S
2S S + C   S, fair hand Good S
2NT   Strong, unbalanced Strong, unbalanced
 After pass and opener's redouble:
PassTo playTo playTo playTo play
2C C + H C + H/S C + D C + D
2D D + S D + S D + H D + S
2H    H + S  
  After redouble and opener's 2C
Pass C C C C
2D D D D D
2H H H H H
2S S S S Poor S

Name: Auto XX
with forcing pass [1]
Auto XX
with forcing pass [2]
Auto XX
with forcing pass [3]
Auto XX
with forcing pass [4]
PassRequires redblRequires redbl Requires redblRequires redbl
Redbl Forces 2C Forces 2C Forces 2C Transfer to C
2C Transfer to D Transfer to D Transfer to D Transfer to D
2D Transfer to H Transfer to H Transfer to H Transfer to H
2H Transfer to S Transfer to S Transfer to S Transfer to S
 After pass and opener's redouble:
PassTo playTo playTo playTo play
2C Bid suits upwards 4C or 4333 with 4H/S 4C + 4D/H/S
or 4333 or 5S + 4H
4C or 4333 with 4H/S
2D 4D + 3-C 4D + 4H/S
or 4S + 4H + 3D
4D + 3-C
2H H + S 5H + 4S H + S
  After redouble and opener's 2C
Pass C C C C
2D StaymanStaymanStayman Second suit after transfer to C
2H Second suit after transfer to C Second suit after transfer to C Second suit after transfer to C
2S

Name: MoscowSuction  Allerton
PassRequires redblRequires redbl Requires redbl
Redbl Forces 2C Forces 2C   Forces 2C
2C Stayman D or 4H + 5S   C + D/H
2D Transfer to H H or S + C   To play
2H Transfer to S S or C + D   To play
2S As without X    To play
2NT    Game forcing 2-suiter
3suit     Pre-emptive
 After pass and opener's redouble:
PassTo playTo play To play
2C Bid suits upwards:
Any 2-suiter except H + S
C + H   C + S
2D D + S   D + S
2H 4H + 4S   4/5S + 4H
  After redouble and opener's 2C
Pass C C   C or short C in 3-suiter
2D D D + H   D + H
2H H + S 5H + 4S   5H + 4S

Name: Aardvark
+ Halmic forced XX
BidPig ***Dig-out
Spelvic
Stamina
Pass Requires redblRequires redblRequires redbl Requires redbl, or 2C/D/H/S = 5 cards, or 3C/D = 6 cards
Redbl Forces 2C Forces 2C Forces 2C **** Requires 2C, or 2D = 6D + 2C, or 2H/S = 5H/S + 2C
2C C + D/H/S C + D/H/S C + S Requires 2D,
or 2H/S = 5 H/S + 2 D
2D D + H/S D + H/S D + S Transfer to H,
may be 5S + 4H
2H H + S H + S H + S Transfer to S
2S   S, very weak To play Requires 2NT, or 3C/D = better minor + maximum
2NT   C + D Transfer to C
3suit   NaturalTransfer
NOTE   *** BidPig stands for 'Bidding indicates DONT, Pass indicates Geneva' **** Optional rebids: ParadoX: Rebid 2D with 4+C; rebid 2H with 4C+ 4D 
 After pass and opener's redouble:
PassTo playTo playTo playTo play
2C 4333 H, fair hand C + D/H C + D/H/S
2D   S, fair hand D + H 4333 with 4H/S
2H   H + S, competitive   5C + 4H
2S   S, competitive   5C + 4S
2NT   C + D, competitive   
3C   C, competitive   
3D   D, competitive   
  After redouble and opener's 2C
Pass C C C 5C or 4333 with 4C
2D D D D D + H/S
2H H H H 5D + 4H
2S S S   5D + 4S
  After 2C and opener's 2D
Pass     5D or 4333 with 4D
2H     4H + 4S
2S     5H + 4S

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Editor's note:

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