Aspro is a contract bridge bidding convention devised by

Terence Reese John Terence Reese (28 August 1913 – 29 January 1996) was a British bridge player and writer, regarded as one of the finest of all time in both fields. He was born in Epsom, Surrey, England to middle-class parents, and was educated at Bradfiel ...

as a British variant on the Astro convention to intervene over a 1NT opening bid. Like Astro, Aspro is initiated by a 2-level overcall in a minor suit when the overcaller or intervenorIn the description of competitive bidding, players are referred to as either the Opener (the first to make a ), the Intervenor (the opponent who makes his side’s first bid), the Responder (partner of the Opener) or the Advancer (partner of the Intervenor). holds an unbalanced hand with at least nine cards in two suits (i.e. 5 in one and 4 in the other), at least one of which is a major. :*2 shows hearts and another suit, and :*2 shows spades and a minor suit.

Subsequent bidding

The foregoing includes the possibility that the 2 overcaller holds both majors. Using Aspro with five spades and four or five hearts, the 2 bid is followed by 2 over partner's 2 or 2; with four spades and five hearts, one rebids 2 over partner's 2.

References

{{WPCBIndex Bridge conventions

Subsequent bidding

See also

References