Checkback Stayman is a convention. This convention is alertable. Checkback Stayman is a convention to find a major suit fit. It is similar to 2♣ Stayman after 1NT opening, but checkback Stayman is applied by the responder after a 1NT or 2NT rebid by the opener.
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| http://dbkwik.webdatacommons.org | 19 |