One of Oswald Jacoby’s best gifts to bridge was the idea of using 2NT as a conventional forcing raise in response to a one-of-a-major opening bid. Using Jacoby 2NT works like this:
Opener         Responder
1
o 1
     2NT
Responder’s 2NT bid shows a game-forcing hand with four-card (or longer) support in the major.
Why is it advantageous to use this method? Consider all of the major suit raises available in standard methods. This table provides an outline:Â Click Here to continue reading
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