ECO C00

French Defense: Diemer-Duhm Gambit

French Defense: Diemer-Duhm Gambit is a chess opening classified under ECO C00. Its defining line here is 1. e4 e6 2. d4 d5 3. c4.

French Defense: Diemer-Duhm Gambit — board position♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜

1. e4 e6 2. d4 d5 3. c4

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The diagram shows the position after 1. e4 e6 2. d4 d5 3. c4. 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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