D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 - Queen's Gambit Declined: Three Knights Variation

Queen’s Gambit Declined: Three Knights Variation (D30)
Coups: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3