Louis
A high-voltage Gen Z clash between GMs Vincent Keymer and Praggnanandhaa Rameshbabu, where both sides achieved a big advantage before it ended in a draw, was the highlight of an eventful first day of the 2026 Grand Chess Tour Finals in St. Louis. ...
It is played by the person who is winning. For the typical player, 56.8% of blunders come from a position they were already winning, against 13.2% from one they were already losing, and it holds for every player measured.
Better means at least a pawn up by the engine at the moment the move was played, worse at least a pawn down. The worst move of a typical game is not a flail from a lost position. It is played by the person who was winning. Each percentage is the median across players, so no single prolific account can carry the finding.
Across 292,142 analysed games from 225 players.
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