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Can Your Rating Go Down Even If You Win?

Yes. If you were expected to win comfortably but only scraped through, the result can fall short of expectation — and a dynamic rating can respond with downward pressure even after a win.

Just as a close loss can be a strong performance, a narrow win can be a weak one. The rating system asks the same question in both cases: given the two ratings, how should this match have gone? When you are the clear favorite and the match stays tight, you have underperformed relative to expectation.

A worked example

Your rating
3.45
Opponent
3.05
Score
7–6, 7–6

A 3.45 player facing a 3.05 opponent should expect to win comfortably — typically taking a large majority of the games. Two tiebreak sets is a much closer result than that gap predicts. The win counts on the scoreboard, but the performance sits below what the rating difference expected.

In a dynamic system, that shortfall can apply gentle downward pressure on the estimated rating. It does not mean you played badly in absolute terms — only that the result fell short of expectation for this particular matchup.

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