Asptro
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Asptro
Asptro is a contract bridge bidding convention used to intervene over a 1NT opening bid. It is a hybrid of the Astro and Aspro conventions, thus the name.[1]
- 2♣ shows at least 5-4 either way round in hearts, the anchor, and a minor suit. Exceptionally the intervenor holds hearts and spades with preference for spades.
- 2♦ shows at least 5-4 either way round in spades, the anchor, and another suit. If the other suit is hearts, there is preference for hearts.
- 2♥ and 2♠ are natural.
Partner can bid two of the anchor suit, 2M, expecting to play that contract (sign off). 2♦ is a non-forcing enquiry, if available, and 2NT is a forcing enquiry. Other replies are natural.
After a 2♦ reply, the 2♣ intervenor passes with five diamonds or bids the 5 card suit, always the unknown one with 5-5.
After a 2NT reply, the intervenor routinely bids the unknown suit. Both the anchor and the unknown major imply both majors with preference for the new one. Thus 3♥ and 3♠ may be refined, such as by a strength difference with 3♠ stronger.
See also
References
- ^ Francis, Henry G., Editor-in-Chief; Truscott, Alan F., Executive Editor; Francis, Dorthy A., Editor, Sixth Edition (2001). The Official Encyclopedia of Bridge (6th ed.). Memphis, TN: American Contract Bridge League. pp. 826 (plus 60 page Bibliography). ISBN 0-943855-44-6. OCLC 49606900. Page 26.
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