D26: Queen's Gambit Accepted, classical variation, 6.O-O

D26 Sub-variants:

• Queen's Gambit Accepted, 4...e6
  1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6
• Queen's Gambit Accepted, classical variation
  1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5
• Queen's Gambit Accepted, classical, Furman variation
  1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. Qe2 a6 7. dxc5 Bxc5 8. O-O Nc6 9. e4 b5 10. e5
• Queen's Gambit Accepted, classical variation, 6.O-O
  1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O
• Queen's Gambit Accepted, classical, Steinitz variation
  1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O cxd4