1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 - Grünfeld Defense: Russian Variation, Accelerated Variation

Grünfeld Defense: Russian Variation, Accelerated Variation

Coups: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3