The 24th European Union Youth Chess Championship for the U8, U10, U12, and U14 age categories concluded at the Hotel Energetic in Rožnov pod Radhoštěm, Czech Republic. Organized under the patronage of the European Chess Union (ECU), the event was once again staged by Šachový…
It is played by the person who is winning. For the typical player, 57.1% of blunders come from a position they were already winning, against 13.1% 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 305,293 analysed games from 239 players.
Black to move and win.
Bf6+ Ke3 Kd6 Bf8+ Be7 c5+ bxc5
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