ECO B23

Sicilian Defense: Closed, Portland Attack

Sicilian Defense: Closed, Portland Attack is a chess opening classified under ECO B23. Its defining line here is 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g4.

Sicilian Defense: Closed, Portland Attack — board position♜♝♛♚♝♞♜♟♟♟♟♟♟♞♟♟♟♟♞♟♟♟♟♟♟♜♝♛♚♝♞♜

1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g4

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The diagram shows the position after 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g4. 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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