1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Nf3 - Queen's Gambit Accepted: Old Variation, Christensen Gambit

Queen’s Gambit Accepted: Old Variation, Christensen Gambit

Coups: 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Nf3