Queen's Gambit Accepted: Normal Variation, Traditional System (6. O-O a6)
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 Be7 6. O-O a6
The Queen's Gambit Accepted: Normal Variation, Traditional System is a chess opening classified as ECO D26, reached after 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 Be7 6. O-O a6. It is a line of the Queen's Gambit Accepted. White is to move.
This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.
Engine evaluation: +0.38 (Stockfish, depth 50; best line 7. Bd3 O-O 8. Nc3 c5 9. dxc5 Nbd7)
- ECO
- D26
- Moves
- 12 plies
- FEN
rnbqk2r/1pp1bppp/p3pn2/8/2BP4/4PN2/PP3PPP/RNBQ1RK1 w kq - 0 7- PGN
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 Be7 6. O-O a6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Master games
6 over-the-board games are classified under this line (White 50%, draw 17%, Black 33%). The strongest:
- GM Mahammad Muradli (2575) – GM Vladimir Fedoseev (2712) 1/2-1/2 · 24th ch-EUR Indiv 2024 · 2024-11-12
- GM Benjamin Bok (2593) – GM Balaji Daggupati (2465) 0-1 · Titled Tue 17th Dec Late · 2024-12-17
- Ruzgar Odabasi (2114) – IM Tsvetan Stoyanov (2465) 0-1 · 24th ch-EUR Indiv 2024 · 2024-11-11
- IM Diasmany Otero Acosta (2306) – FM Jaiveer Mahendru (2270) 1-0 · 36th Tamil Nadu IM 2025 · 2025-11-15
- FM Farid Mustafayev (2334) – WCM Sabina Rzali (1925) 1-0 · Schools Friendly U17 2021 · 2021-01-11
Comes from
Queen's Gambit Accepted: Normal Variation, Traditional System (4. e3 e6) 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6
More Queen's Gambit Accepted lines (all)
- Queen's Gambit Accepted (2. c4 dxc4) D20
- Queen's Gambit Accepted: Accelerated Mannheim Variation D20
- Queen's Gambit Accepted: Central Variation, Alekhine System D20
- Queen's Gambit Accepted: Central Variation, Greco Variation D20
- Queen's Gambit Accepted: Central Variation, McDonnell Defense D20
- Queen's Gambit Accepted: Central Variation, McDonnell Defense, Somov Gambit D20
- Queen's Gambit Accepted: Central Variation, Modern Defense D20
- Queen's Gambit Accepted: Central Variation, Rubinstein Defense D20
- Queen's Gambit Accepted: Central Variation, Rubinstein Defense, Yefimov Gambit D20
- Queen's Gambit Accepted: Linares Variation D20
- Queen's Gambit Accepted: Old Variation D20
- Queen's Gambit Accepted: Old Variation, Billinger Gambit D20
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.