Conventions: Checkback Stayman

Checkback Stayman is a nifty convention which is used most commonly after an opening bid of one of a minor and then a one of a major response with the opening bidder then jumping to 2 NT.

1  – 1

2 NT – 3 by responder is now checkback stayman 

Why are we doing this??

The opening bidder may also have a four card other major suit OR may have 3 card support for the responder’s 5 card major.

Let’s have a look at above auction again: 

1  – 1

2 NT – 3 

Responses to 3 are as follows: 

3  says: I do not have 3 card support for your major suit () nor do I have 4 cards in          the                              other major ().

3 says:  I have 3 card support for your  heart suit but I do NOT have 4 spades. 

3 says:  I have a 4 card suit but do not have 3 card support for your  suit. 

3 NT says: I have both 3 card support for ’s and also a four card suit.  

Now let’s check out the other major suit situation: 

1  – 1

2 NT – 3 

Responses to 3 are as follows: 

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