The vocabulary, in one place.
| Term | Meaning |
|---|---|
| Above the line | Bonuses and penalties. Count in the total, not towards game. |
| Auction | The bidding, from the dealer's first call to three passes. |
| Balancing | Bidding in the pass-out seat on lighter values than usual. |
| Below the line | Trick score for a contract bid and made. Only these count towards game. |
| Book | The first six tricks, which never count. A contract of 3♥ needs book plus three. |
| Contract | The final bid of the auction: how many tricks, in what strain. |
| Cover | Playing a higher honour on an honour led, to promote a card below. |
| Declarer | The player of the winning side who first named the contract's strain. |
| Double-dummy | Play or analysis with all four hands visible — the perfect-information ideal. |
| Dummy | Declarer's partner, whose cards are laid face up and played by declarer. |
| Entry | A card that lets you win a trick in the hand you need to reach. |
| Finesse | An attempt to win a trick with a card that is not the highest outstanding. |
| Game | 100 points below the line. Two games win the rubber. |
| HCP | High-card points: A=4, K=3, Q=2, J=1. Forty in the pack. |
| Honours | A K Q J 10 of trumps, or the four aces at no trumps. Worth 100 or 150 in one hand. |
| IMP | A compressive scale for comparing two results. Used here to turn point losses into a grade. |
| Insult | 50 (or 100) for making a contract the opponents doubled. |
| Overtrick | A trick taken beyond the contract. Scored above the line. |
| Par | The result if both sides bid and defend perfectly. The yardstick for grading an auction. |
| Part-score | Below-the-line points short of 100, carried into the next deal. |
| Preempt | A high opening bid on a long weak hand, to steal the opponents' bidding room. |
| Revoke | Failing to follow suit when you could. The app makes it impossible. |
| Rubber | The match: first side to win two games, plus 500 or 700. |
| Ruff | Playing a trump when unable to follow suit. |
| Sacrifice | Bidding a contract you expect to fail, because the penalty costs less than their contract would score. |
| Slam | A contract at the six level (small) or seven level (grand). |
| Strain | What a bid names: a suit, or no trumps. |
| Trick | Four cards, one from each player. Won by the highest trump, or the highest card of the suit led. |
| Undertrick | A trick short of the contract. Paid to the defenders above the line. |
| Vulnerable | Having won a game. Raises both bonuses and penalties for the rest of the rubber. |
| Wriggle | Escaping from a doubled 1NT by searching for a playable trump fit. |
Rase plays a full rubber, scores it the traditional way, and grades every bid and card afterwards.
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