Blackmar-Diemer Gambit traps: the most-played mistakes
1 mistakes actually played in the Blackmar-Diemer Gambit, 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.
- fxe4 ?11.8% of players7,344 games
fxe4 concedes about 2.4 pawn. cxd4 immediately exploits the mistake: cxd4 captures a pawn, attacks the knight, occupies the center. Precise line: cxd4 e5 dxc3 Qxd8+.
Punishment: cxd4 e5 dxc3 Qxd8+ Kxd8
+4 points of material, evaluation 2.5 after the punishment.