ECO A04

Modern Defense: Semi-Averbakh Variation, Polish Variation

Modern Defense: Semi-Averbakh Variation, Polish Variation is a chess opening classified under ECO A04. Its defining line here is 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qb6.

Modern Defense: Semi-Averbakh Variation, Polish Variation — board position♜♞♝♚♞♜♟♟♟♟♟♝♟♛♟♟♟♟♟♞♟♟♟♟♟♜♞♝♛♚♝♜

1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qb6

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The diagram shows the position after 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qb6. 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.