[Event "rated classical game"] [Site "https://lichess.org/Bg7itbtY"] [Date "2026.01.12"] [Round "-"] [White "Tan1412"] [Black "Valentin1948"] [Result "1-0"] [GameId "Bg7itbtY"] [UTCDate "2026.01.12"] [UTCTime "12:58:04"] [WhiteElo "1579"] [BlackElo "1539"] [WhiteRatingDiff "+60"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "D20"] [Opening "Queen's Gambit Accepted: Old Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 { [%eval 0.17] } 1... d5 { [%eval 0.27] } 2. c4 { [%eval 0.18] } 2... dxc4 { [%eval 0.28] } 3. e3 { [%eval 0.15] } { D20 Queen's Gambit Accepted: Old Variation } 3... Bf5 { [%eval 0.55] } 4. Bxc4 { [%eval 0.6] } 4... c6? { (0.60 → 1.99) Mistake. Nf6 was best. } { [%eval 1.99] } (4... Nf6 5. Nf3 e6 6. O-O Be7 7. Nc3 O-O 8. Qb3 Qc8 9. Re1) 5. Nf3? { (1.99 → 0.45) Mistake. Qb3 was best. } { [%eval 0.45] } (5. Qb3 e6 6. Qxb7 Nd7 7. Nc3 Ngf6 8. Qxc6 Bb4 9. Ne2 Rc8) 5... e6 { [%eval 0.57] } 6. O-O { [%eval 0.48] } 6... Be7 { [%eval 0.48] } 7. h3 { [%eval 0.29] } 7... h6 { [%eval 0.51] } 8. Nc3 { [%eval 0.64] } 8... Nf6 { [%eval 0.53] } 9. Qb3?! { (0.53 → -0.21) Inaccuracy. Re1 was best. } { [%eval -0.21] } (9. Re1 Ne4) 9... b5 { [%eval -0.2] } 10. Bxb5?? { (-0.20 → -2.97) Blunder. Be2 was best. } { [%eval -2.97] } (10. Be2 Nbd7) 10... cxb5 { [%eval -2.83] } 11. Qxb5+ { [%eval -2.86] } 11... Qd7 { [%eval -3.01] } 12. g4 { [%eval -3.45] } 12... Be4 { [%eval -2.79] } 13. Ne5 { [%eval -2.88] } 13... Qxb5 { [%eval -2.91] } 14. Nxb5 { [%eval -2.82] } 14... Bd8?? { (-2.82 → 0.17) Blunder. Nd5 was best. } { [%eval 0.17] } (14... Nd5) 15. Bd2?! { (0.17 → -0.58) Inaccuracy. Nd6+ was best. } { [%eval -0.58] } (15. Nd6+ Ke7 16. Ndxf7 Rf8 17. Nxd8 Rxd8 18. b3 Kf8 19. Ba3+ Kg8 20. f3 Bb7) 15... O-O { [%eval -0.62] } 16. Nd6?? { (-0.62 → -2.65) Blunder. Bb4 was best. } { [%eval -2.65] } (16. Bb4) 16... Bc7 { [%eval -2.5] } 17. Nxe4 { [%eval -2.51] } 17... Nxe4 { [%eval -2.64] } 18. Nf3 { [%eval -3.08] } 18... Nd7 { [%eval -2.89] } 19. Bb4 { [%eval -2.86] } 19... Rfc8 { [%eval -2.94] } 20. Rac1 { [%eval -3.19] } 20... Bd6 { [%eval -2.74] } 21. Bxd6 { [%eval -2.89] } 21... Nxd6 { [%eval -2.83] } 22. Rxc8+ { [%eval -3.33] } 22... Rxc8 { [%eval -3.21] } 23. b4 { [%eval -3.56] } 23... Rc2 { [%eval -3.42] } 24. a3 { [%eval -3.86] } 24... Ra2 { [%eval -3.73] } 25. Ne5 { [%eval -4.3] } 25... Nxe5 { [%eval -4.26] } 26. dxe5 { [%eval -4.32] } 26... Nb5 { [%eval -3.91] } 27. Rc1 { [%eval -4.2] } 27... Rxa3?! { (-4.20 → -3.04) Inaccuracy. g6 was best. } { [%eval -3.04] } (27... g6 28. Rc5 a6 29. Rc8+ Kg7 30. Ra8 Rxa3 31. h4 Ra4 32. h5 gxh5 33. gxh5) 28. Rc8+ { [%eval -3.16] } 28... Kh7 { [%eval -3.16] } 29. Rb8 { [%eval -3.12] } 29... a6 { [%eval -2.92] } 30. Kf1?! { (-2.92 → -4.24) Inaccuracy. Rf8 was best. } { [%eval -4.24] } (30. Rf8 Kg6 31. h4 Rc3 32. Kg2 Rc7 33. Rh8 f5 34. exf6 Kxf6 35. f4 Nc3) 30... Kg6?! { (-4.24 → -3.30) Inaccuracy. g5 was best. } { [%eval -3.3] } (30... g5 31. Kg2 Rb3 32. h4 gxh4 33. Kh3 Kg7 34. Kxh4 Nc3 35. f4 Nd5 36. f5) 31. Ke2 { [%eval -3.69] } 31... Nc3+ { [%eval -3.55] } 32. Kf3 { [%eval -3.9] } 32... Nd5 { [%eval -3.77] } 33. h4 { [%eval -3.63] } 33... Rb3 { [%eval -3.47] } 34. Ra8 { [%eval -3.7] } 34... Rxb4 { [%eval -3.55] } 35. Rxa6 { [%eval -4.02] } 35... Rb3 { [%eval -3.21] } 36. Ra1 { [%eval -3.83] } 36... Ne7 { [%eval -3.79] } 37. Rc1 { [%eval -3.92] } 37... Rb7 { [%eval -3.78] } 38. h5+ { [%eval -3.67] } 38... Kg5?? { (-3.67 → 0.00) Blunder. Kh7 was best. } { [%eval 0.0] } (38... Kh7 39. Kg3 Nd5 40. Rc8 g5 41. Rf8 Kg7 42. Re8 Rb3 43. Rc8 Rb1 44. Rd8) 39. Kg3 { [%eval -0.02] } 39... f5?? { (-0.02 → Mate in 1) Checkmate is now unavoidable. Nf5+ was best. } { [%eval #1] } (39... Nf5+ 40. gxf5) 40. f4# { White wins by checkmate. } 1-0