Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line (8… Bb7 9. Nc3)
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. Nc3
The Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line is a chess opening classified as ECO D29, reached after 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. Nc3. It is a line of the Queen's Gambit Accepted. Black 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: −0.15 (Stockfish, depth 32; best line 9… Nbd7 10. Rd1 Bd6 11. e4 cxd4 12. Rxd4)
- ECO
- D29
- Moves
- 17 plies
- FEN
rn1qkb1r/1b3ppp/p3pn2/1pp5/3P4/1BN1PN2/PP2QPPP/R1B2RK1 b kq - 3 9- PGN
1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 9. Nc3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Master games
5 over-the-board games are classified under this line (White 20%, draw 40%, Black 40%). The strongest:
- IM Ronald Jesus Brizuela Abreu (2326) – GM Juan Borges Matos (2407) 0-1 · 10th Velez Int Open 2023 · 2023-11-05
- FM Jonathan L B Blackburn (2207) – FM Joar Olund (2369) 1/2-1/2 · Titled Tue 10th Jun Late · 2025-06-10
- Fan Zhang (2087) – WFM Ekaterina Kirsanova (2159) 0-1 · Chess House WIM 2012 · 2012-07-15
- WCM Nu Quynh Duong Ton (1895) – WGM Shiqun Ni (2345) 1/2-1/2 · Asian Rapid Teams 2024 · 2024-08-23
- WFM Svetlana Vifleemskaia (1942) – WFM Nasrin Babayeva (1936) 1-0 · Swiss Queens Wed #45 2024 · 2024-12-04
Comes from
Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line (8. Bb3 Bb7) 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7
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.