ECO B06

Modern Defense: Mongredien Defense, with Nf3

Modern Defense: Mongredien Defense, with Nf3 is a chess opening classified under ECO B06. Its defining line here is 1. e4 g6 2. d4 Bg7 3. Nf3 b6.

Modern Defense: Mongredien Defense, with Nf3 — board position♜♞♝♛♚♞♜♟♟♟♟♟♝♟♟♟♟♟♞♟♟♟♟♟♟♜♞♝♛♚♝♜

1. e4 g6 2. d4 Bg7 3. Nf3 b6

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The diagram shows the position after 1. e4 g6 2. d4 Bg7 3. Nf3 b6. 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.