The Closed Sicilian: 1.e4 c5 2.Nc3... d6 arises after 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 and falls under ECO code B25. With 635,582 Lichess games across all rating levels, it is a well-established opening choice.
History and Notable Players
It arises from the Closed Sicilian: 1.e4 c5 2.Nc3... 3.g3. Among the most prolific practitioners on the White side are Herbert Bastian (73 games), Boris V Spassky (62 games), Ilmars Starostits (59 games). On the Black side, notable exponents include Istvan Csom (16 games), Ognjen Cvitan (14 games), Miso Cebalo (13 games).
Statistics
Based on 635,582 Lichess games across all rating levels:
- White wins: 49.7%
- Black wins: 44.3%
- Draws: 6%
White holds a moderate edge statistically, though Black has good practical chances.
Main Lines and Variations
After 1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6, the main continuations include:
Each of these lines leads to distinct types of positions and requires its own understanding of the resulting pawn structures and piece placements.
Common Mistakes to Avoid
- Ignoring the opponent's kingside attack: In many Sicilian lines, White will castle queenside and push pawns toward your king. If you don't create counterplay on the queenside or in the center, White's attack will arrive first.
Practice on Chessiverse
The best way to learn the Closed Sicilian: 1.e4 c5 2.Nc3... d6 is through practice. On Chessiverse, you can play chess against computer opponents from any opening or custom position. Our AI bots range from beginner to grandmaster level, each with unique playing styles — from aggressive attackers to solid defenders. Choose a bot that matches your rating and work your way up as you master the opening's key ideas.
