1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3 - Dutch Defense: Leningrad Variation, Carlsbad Variation

Dutch Defense: Leningrad Variation, Carlsbad Variation

Coups: 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3