ECO C46

Three Knights Opening: Steinitz Defense

Three Knights Opening: Steinitz Defense is a chess opening classified under ECO C46. Its defining line here is 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6.

Three Knights Opening: Steinitz Defense — board position

1. e4 e5 2. Nf3 Nc6 3. Nc3 g6

The diagram shows the position after 1. e4 e5 2. Nf3 Nc6 3. Nc3 g6. 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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