Queen's Gambit Accepted: Old Variation, Korchnoi Gambit
1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Kf1
The Queen's Gambit Accepted: Old Variation, Korchnoi Gambit is a chess opening classified as ECO D20, reached after 1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Kf1. 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: −0.54 (Stockfish, depth 27; best line 6… Nd7 7. exd4 Nb6 8. Nc3 c6 9. Bd3)
- ECO
- D20
- Moves
- 11 plies
- FEN
rnb1kbnr/ppp1qppp/8/8/2Bp4/1Q2P3/PP3PPP/RNB2KNR b kq - 3 6- PGN
1. d4 d5 2. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. Qb3 Qe7 6. Kf1
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Master games
1 over-the-board game is classified under this line (White 0%, draw 0%, Black 100%). The strongest:
- GM Conrad Holt (2553) – FM Nikolaos Aggelis (2281) 0-1 · Titled Tue 28th Jun Late · 2022-06-28
Comes from
Queen's Gambit Accepted: Old Variation 1. d4 d5 2. c4 dxc4 3. e3
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, Billinger Gambit D20
- Queen's Gambit Accepted: Old Variation, Christensen 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.