Teams vs. Pairs Scoring: How the Strategy Changes at Every Level

You are in 4♠. Ten tricks are certain, an eleventh is available on a two-way finesse, and the opponents have said nothing since the opening bid. You reach for the finesse without thinking — and you may be making the right play in one game and a serious error in another, with the same cards, the same contract and the same opponents.

Scoring is not paperwork. It is the thing that decides what a good result even means. Change the scoring, and correct bridge changes with it: which games you bid, which overtricks you chase, which sacrifices you take, and how much you care about the second undertrick. Here is how the two main forms of scoring — matchpoints and IMPs — pull your judgment in different directions.

Matchpoints: Every Trick Is a Vote

In a pairs game, your score is compared with every other pair who held your cards and sat your direction. Nothing else counts. A score of 420 and a score of 430 are one point apart in total points, but at matchpoints the second one beats the first across the entire field.

Two consequences follow immediately:

• The size of your score barely matters; its rank matters completely. Down one and down three are the same zero. Plus 170 and plus 140 are both partscores, but one of them beats half the room.
• The field is your opponent. Whether a line is right depends on what the other pairs are doing with the same cards, not on what the arithmetic says.

Overtricks are therefore precious, and so are small differences in partscore battles. Winning the auction at 3♥ instead of letting them play 2♠ can be worth more than any card play you make all session.

Notice what that does to your bidding. At pairs you open light, you compete on thin values, you double a partscore for one down, and you treat a 50-point difference as if it were a game swing — because at matchpoints it is. You also learn when to stop: a wild competitive auction that pushes you to 4♥ down two while the opponents were quietly going down in 3♦ has converted a good board into a zero.

IMPs: The Size of the Number Is the Point

In a team game, your result is compared with the result at the other table, and the difference is converted into international match points. The scale is not linear, and the shape of it decides your tactics.

A 10-point difference is worth zero IMPs. A 30-point difference is worth one. The gap between making and going down in a non-vulnerable game is about ten. In a vulnerable game it is twelve.

Read that again, because it is the whole article in three sentences. An overtrick you fight for at matchpoints is often worth nothing at IMPs, while the same aggressive line that costs you the contract can throw ten or twelve IMPs away on a single board. Meanwhile, a doubled contract going for 500 against their 620 is a fine result — three IMPs in your pocket.

An overtrick is worth one IMP at best and nothing at all most of the time. Going down in a vulnerable game costs twelve. That asymmetry is the difference between the two games.

The consequence is a different kind of discipline. At IMPs you care about size more than frequency: you will happily take a slightly inferior line for a guaranteed plus, and you will happily give up a small chance at a top to avoid a bottom. Ten boards of sound, unspectacular bridge beat one brilliant gamble — because the gamble that fails is priced at ten times the overtrick it was chasing.

The Overtrick Decision

Take the 4♠ hand from the top. You can play safely for ten tricks, or take a finesse that gains the overtrick when it wins and loses the contract when it fails.

At pairs, the answer depends on the field. If most pairs are in 4♠ and the eleventh trick hinges on the same guess for them, the safe line gives you an average — you beat the pairs who went down, lose to the pairs who guessed right. The finesse gives you a top or a bottom. That is a reasonable gamble when you need swings, and a needless one early in a steady session.

But if the cards suggest the whole field is making eleven tricks — a

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