Asptro is a

contract bridge Contract bridge, or simply bridge, is a trick-taking game, trick-taking card game using a standard 52-card deck. In its basic format, it is played by four players in two Team game, competing partnerships, with partners sitting opposite each othe ...

bidding convention used to intervene over a 1NT opening bid. Its methodology and hence its designation is a combination of two similar conventions – Aspro and Astro. *2 shows at least 5-4 either way round in hearts, the ''anchor'', and a

minor suit In contract bridge the minor suits are diamonds () and clubs (). They are given that name because contracts made in those suits score less (20 per contracted trick) than contracts made in the major suits (30 per contracted trick), and they rank ...

. 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. Responder can also pass with 6+ length in the bid minor. (You cannot expect support from partner but it might be the least evil). 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.

References

{{WPCBIndex Bridge conventions

See also

References