Key line: 5...Bg4 6.Be2 e6 7.0-0 Nc6 8.c4! Qd8 (or 8...Qd6) 9.d5. White gets a pleasant spatial advantage.
(3...Nf6 4.Bb5+ transposes to a weird Scandinavian) the complete c3 sicilian
The d5 break with tempo gives White a powerful initiative. 9. Comparison with Other Anti-Sicilians | Variation | Pros for White | Cons for White | |-----------|---------------|----------------| | C3 Sicilian | Solid, positional, low theory | Less dynamic than Open Sicilian | | Rossolimo (3.Bb5) | Attacks c6 knight, flexible | Black can avoid with ...g6 | | Grand Prix (2.Nc3 3.f4) | Aggressive, kingside attack | Risky if Black defends well | | Closed Sicilian (2.Nc3 3.g3) | Positional, slow buildup | Allows Black ...d5 break | Key line: 5
Use c4 to chase the queen, then d5 to cramp Black’s pieces. This line is very comfortable for White. C) 2...Nc6 – The Knight Development Black delays commitment. White plays 3.d4 cxd4 4.cxd4 d5 (4...e6 transposes to a French structure) 5.e5 – then White has a strong center similar to a French Advance but with the c-pawn traded for Black’s c-pawn – favorable for White. This line is very comfortable for White
(common) 6.Nc3 e6 7.Nge2 – White prepares f4, Ng3, and kingside attack. The position is closed and strategic. D) 2...e6 – The French Transposition Black intends to play 3.d4 d5, entering a French Defense. White can avoid this with 3.Nf3 or accept the French with 3.d4 d5 4.e5 cxd4 5.cxd4 – which is a favorable French Advance because Black has spent a tempo on ...c5 (instead of ...cxd4 in one go). 5. Critical Theoretical Branch: 2...Nf6 3.e5 Nd5 4.d4 cxd4 5.Nf3 e6 This is the most resilient line for Black.