ECO B06

Modern Defense: Standard Defense

Modern Defense: Standard Defense is a chess opening classified under ECO B06. Its defining line here is 1. e4 g6 2. d4 Bg7 3. Nc3 d6.

Modern Defense: Standard Defense — board position

1. e4 g6 2. d4 Bg7 3. Nc3 d6

The diagram shows the position after 1. e4 g6 2. d4 Bg7 3. Nc3 d6. 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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