ECO A43

Benoni Defense: Old Benoni, Mujannah Formation

Benoni Defense: Old Benoni, Mujannah Formation is a chess opening classified under ECO A43. Its defining line here is 1. d4 c5 2. d5 f5.

Benoni Defense: Old Benoni, Mujannah Formation — board position♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♟♜♞♝♛♚♝♞♜

1. d4 c5 2. d5 f5

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The diagram shows the position after 1. d4 c5 2. d5 f5. 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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