Hindsight

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Every move, judged.

See where your game turned: every move rated, mistakes explained, the better move on the board.

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Where the game turned

The graph is White’s chance of winning, move by move. The review finds the moments that moved it and tells you why.

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9... b5 is a mistake
Duke Karl / Count Isouard's b5 allows Paul Morphy's Nxb5, winning the pawn on b5.
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10. Nxb5 is brilliant
Paul Morphy's Nxb5 wins the pawn and offers material, expecting a response like Qb4+.
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17. Rd8# is a great move
Paul Morphy's Rd8# delivers checkmate.

Ten verdicts, one scale

Every move gets one, measured by how much of your winning chances it kept or gave away.

VerdictWinning chances lost

Brilliant
The best move, and it gives up material to get there.
0%
Great
The only move that keeps your chances. Everything else loses ground.
0%
Best
Exactly what the engine would play.
under 1%
Excellent
Almost as good as the best move.
1–3%
Good
A solid move that costs you a little.
3–5%
Inaccuracy
A small slip.
5–10%
Mistake
A real error your opponent can use.
10–20%
Miss
Your opponent slipped and you didn’t punish it.
10%+
Blunder
Throws the game away, or walks into mate.
20%+

Book sits off the scale: known opening theory, not judged.

Your last game is waiting.