1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5 - Queen's Gambit Accepted: Alekhine Defense, Haberditz Variation

Queen’s Gambit Accepted: Alekhine Defense, Haberditz Variation

Coups: 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5