Four Knights Game traps: the most-played mistakes

1 mistakes actually played in the Four Knights Game, each verified by the engine: the position is playable before, the punishment wins material, and the player share comes from real Lichess games.

Method: Stockfish screening (depth 14 then 22), refutation = best engine moves. Frequencies: real Lichess games 1400-2200+, blitz, rapid and classical. Whatever failed verification is not published.