ECO C21

Center Game: Halasz-McDonnell Gambit

Center Game: Halasz-McDonnell Gambit is a chess opening classified under ECO C21. Its defining line here is 1. e4 e5 2. d4 exd4 3. f4.

Center Game: Halasz-McDonnell Gambit — board position

1. e4 e5 2. d4 exd4 3. f4

The diagram shows the position after 1. e4 e5 2. d4 exd4 3. f4. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

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