;

Convention HELP

ASTRO

After opponents opening of 1NT

created by: Allinger - Stern - Rosler

Source

  • ACBL Dictionary

 

Signatures

  • Green = Opposition
  • Blue = First bid from our side
  • RED = Responds from our side
  • Purple = Openers rebids
  • #Black = System link
Examples
2§=© + a minor
  • 2§-Pass=6+cd
  • 2§-2¨=No fit,weak
  • 2§-2©=3+cd,Signoff
  • 2§-2ª=6+cd,Signoff
  • 2§-2NT=Nat,Round
  • 2§-3§¨=6+cd,NF
  • 2§-3©=4+cd,Invite
  • 2§-3ª=6+cd,NF
  • 2§-4©=Signoff

2¨=ª + a suit
  • 2¨-Pass=6+cd
  • 2¨-2©=No fit,weak
  • 2¨-2ª=3+cd,Signoff
  • 2¨-2NT=Nat,Round
  • 2¨-3§¨©=6+cd,NF
  • 2¨-3©=4+cd,Invite
  • 2¨-3ª=4+cd,Invite
  • 2¨-4ª=Signoff
Description

Convention to find fit after opps' opening of 1NT balanced

  • Over 1NT:

  • DBL=1-suiter

  • 2§=© + a minor,5-4 either longer

  • 2¨=ª + a suit,5-4 either longer

  • 2NT=§ +¨,5-4 either longer
 
Astro