Your Score Tells You How You Finished.
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It Doesn’t Tell You Why.
I retired from radiology a few years ago and came back to serious duplicate bridge after a long hiatus. Like a lot of returning players, I had the same experience at the end of every session: I’d look at my score, feel vaguely satisfied or vaguely disappointed, and drive home not entirely sure what had actually happened.
54%. Good. 48%. Bad. 61%. Great. But why?
The scorecard tells you where you finished. It almost never tells you how you got there.
That distinction bothered me enough that I eventually built a tool to investigate it — but the question itself is one any player can start asking after every session: does this score reflect how I played, or how the room happened to play?
The field problem
Your matchpoint score doesn’t measure how well you played. It measures how well you played compared to everyone else in the room on the same night.
That sounds obvious, but the implications are easy to miss.
Consider a board where you declare 4♠ and make exactly ten tricks for +420. You score 6.5 out of 8. Good result. But what actually happened? Maybe the hand is cold for twelve tricks on a normal layout — you left two overtricks on the table. Or maybe the field was playing in 3♠, and your game bid alone earned you most of those matchpoints regardless of how you played it. Or maybe the field bid 6♠ but the slam didn’t make — you scored well not because of anything you did, but because the room overbid.
The score tells you 6.5. It doesn’t tell you which of those stories is true.
What I started tracking instead
When I started analyzing my sessions systematically, I began separating two questions that the scorecard conflates:
How did I do compared to the field? That’s your matchpoint percentage.
How did I do compared to what the hand actually offered? That’s a different question — and the answer is often more nuanced than it first appears.
One measure I use is double-dummy par: the theoretical optimal result for either side, computed from the actual layout of all four hands. But I want to be careful here, because par is easy to misuse.
Double-dummy analysis knows everything — which finesses work, where the cards sit, whether a squeeze is available. No one at the table has that information. A lead that “gives away a trick” according to double-dummy may have been the correct percentage play from your holding. A contract that “could have made” according to par may have required seeing through the backs of the cards to find.
So par is not a verdict. It’s a filter — a first pass that flags boards where your result diverged significantly from the theoretical optimum, worth a closer look. The more important question is always whether the decisions you made were reasonable given what you could actually see: your hand, the auction, dummy after the opening lead, and your partner’s signals. A technically correct decision that runs into an unlucky layout should be credited, not penalized.
The analysis I find most useful combines both lenses. Par divergence tells you which boards are worth examining. The second question — was my decision right given available information, vulnerability, and the likely distribution of the remaining cards — is where the actual learning happens. Sometimes those two questions point in the same direction. Sometimes they don’t, and that’s the most instructive result of all.
What six months of this taught me
Running this kind of analysis on my own sessions has been genuinely humbling. A few things I didn’t expect:
My leads were better than I thought. The boards where I was flagging a defensive result as a failure often showed that my lead was correct given what I could see — the contract made because of how the cards lay, not because of anything I did wrong. That realization also pushed me to look more carefully at the full defensive sequence: not just whether the opening lead was right, but whether my partner and I found the right continuation once dummy came down and the picture became clearer.
My partner and I were systematically stopping short of game on hands with 8-card fits. Not occasionally. Consistently. The matchpoint results masked it because the field was doing the same thing. Only when I started measuring against par did the pattern appear clearly enough to address. Perhaps most valuably, having an objective outside source identify this pattern gave my partner and me something concrete to discuss — it turned post-game conversation from vague impressions into specific, shared questions we could actually work on together.
Some of our best scores came on hands where we played badly. The field played worse. That’s not a skill to build on.
The question worth asking after every session
I’m not suggesting everyone needs to run sophisticated analysis after every club game. But having an outside source help evaluate a session is particularly valuable for beginning and intermediate players — those who don’t yet have the experience to know which boards are worth studying in depth or the instinct to recognize their own recurring patterns. It provides the kind of structured feedback that used to require a private coach.
For players at any level, there’s a habit worth cultivating: before accepting your score at face value, ask whether it reflects how you played or how the room happened to play.
The two questions have different answers. And the second one is the one that actually tells you something useful about your game.
That’s what brought me back to bridge after all these years — the sense that there’s always something more to understand if you’re willing to look for it. The score is just the beginning of the conversation.
Larry Harter is a retired radiologist and duplicate bridge player based in Santa Barbara. He plays regularly at the Santa Barbara Bridge Center and is the founder of Bridge IQ, an AI-powered post-game analysis tool currently in beta. mybridgeiq.com
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