Asptro

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This article concerns Contract Bridge and uses terminology associated with the game. See Contract bridge glossary for an explanation of unfamiliar words or phrases.

Asptro is a bridge convention used for intervention over an opponent's 1NT opening.

2♣ shows at least 5-4 either way round in ♥ and another suit.
2♦ shows at least 5-4 either way round in ♠ and another suit.
2♥/♠ are natural.
With both hearts and spades the player anchors onto the shorter/weaker suit.

Partner can then bid the shown major at the 2-level as a sign off, bid 2♦ as a non-forcing enquiry or bid 2NT as a strong enquiry.

Over a 2♦ response the Asptro bidder bids his 5 card suit or passes if his 5 card suit is diamonds. Over a 2NT response the Asptro bidder normally bids the suit he has not shown. As a bid of 3♥/♠ implies the other major as well additional meanings can be assigned to those bids.