Stayman Convention
In the card game contract bridge, Stayman is a bidding convention used by a partnership to find a 4-4 or 5-3 trump fit in a major suit after making a one notrump (1NT) opening bid; it has been adapted for use after a 2NT opening, a 1NT overcall and many other natural notrump bids.
The convention is named for Sam Stayman, who wrote the first published description in 1945, but its inventors were two other players: the British expert Jack Marx in 1939, who published it only in 1946, and Stayman's regular partner George Rapée in 1945.
Read more about Stayman Convention: Rationale, Standard Stayman, Using Jacoby Transfers With Stayman, Smolen, Garbage Stayman and Crawling Stayman, Forcing and Non-Forcing Stayman, Five Card Major Stayman, Checkback Stayman, New Minor Forcing
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