Sicilian Defense: Kopec System
Sicilian Defense: Kopec System is a chess opening classified under ECO B50. Its defining line here is 1. e4 c5 2. Nf3 d6 3. Bd3.
1. e4 c5 2. Nf3 d6 3. Bd3
The diagram shows the position after 1. e4 c5 2. Nf3 d6 3. Bd3. 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.