[Event "Rated rapid game"] [Site "https://lichess.org/usIAxBQc"] [Date "2021.05.21"] [White "ovalballs"] [Black "wei_wen"] [Result "0-1"] [UTCDate "2021.05.21"] [UTCTime "03:01:13"] [WhiteElo "1047"] [BlackElo "1148"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+49"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D02"] [Opening "Queen's Pawn Game: London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Bf4 Nf6 3. Nf3 { D02 Queen's Pawn Game: London System } Nc6?! { (-0.09 → 0.56) Inaccuracy. e6 was best. } (3... e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Bd6 7. Bxd6 Qxd6 8. Be2) 4. e3 e6 5. Bd3 Bd6 6. Bg3 Bxg3 7. hxg3 Nb4?! { (0.25 → 0.98) Inaccuracy. Qe7 was best. } (7... Qe7 8. c3 Bd7 9. Bb5 O-O 10. Nbd2 Ng4 11. Rh4 f5 12. Bxc6) 8. Bb5+ c6 9. Ba4 Ne4?! { (0.88 → 1.60) Inaccuracy. Qb6 was best. } (9... Qb6 10. a3) 10. c3 Nxf2?? { (1.70 → 5.74) Blunder. Na6 was best. } (10... Na6 11. Nbd2 Nxd2 12. Qxd2 Bd7 13. Bc2 Qe7 14. e4 dxe4 15. Bxe4 Nc7 16. O-O O-O 17. Rae1) 11. Kxf2 b5 12. Bc2 Nxc2 13. Qxc2 Bb7 14. Rxh7 Ke7 15. Ne5 Qg8 16. Rxh8 Qxh8 17. Na3 Qh6 18. Qb3 Rh8?! { (6.00 → 10.94) Inaccuracy. a6 was best. } (18... a6 19. Qb4+ Ke8 20. Qd6 Qf6+ 21. Kg1 Qe7 22. Qxe7+ Kxe7 23. Nc2 c5 24. dxc5 f6 25. Nf3) 19. Qb4+ c5 20. Qxc5+ Kd8?! { (13.79 → Mate in 5) Checkmate is now unavoidable. Kf6 was best. } (20... Kf6 21. Qxa7) 21. Qd6+ Kc8 22. Nxf7? { (Mate in 4 → 8.01) Lost forced checkmate sequence. Nxb5 was best. } (22. Nxb5 Qf6+ 23. Ke2 Qf2+ 24. Kxf2 Rh1 25. Nxa7#) 22... Qf6+ 23. Ke2 Qxf7 24. Qc5+?! { (7.26 → 5.25) Inaccuracy. Nxb5 was best. } (24. Nxb5) 24... Qc7 25. Nxb5 Qxc5 26. dxc5 Ba6 27. c4? { (6.22 → 3.64) Mistake. a4 was best. } (27. a4 Rh6 28. b4 Rg6 29. Rf1 Rf6 30. Rxf6 gxf6 31. Kf2 Kb8 32. g4 e5 33. Nd6 Bd3) 27... dxc4 28. Nxa7+?? { (3.69 → -1.21) Blunder. Nd6+ was best. } (28. Nd6+) 28... Kb8?? { (-1.21 → 4.85) Blunder. Kb7 was best. } (28... Kb7 29. Kf3) 29. Nc6+ Kc8?! { (4.51 → 6.12) Inaccuracy. Kb7 was best. } (29... Kb7) 30. Nb4 Bb5 31. c6?? { (6.38 → 0.09) Blunder. a4 was best. } (31. a4) 31... c3+ 32. Kd1?? { (0.00 → -4.43) Blunder. Kf3 was best. } (32. Kf3 Rf8+ 33. Ke4 cxb2 34. Rb1 Rf2 35. Kd4 Kc7 36. Kc3 Rxg2 37. Rxb2 Rxg3 38. Kd4 Bxc6) 32... Rh1+ 33. Kc2 Rxa1 34. Kxc3 Rc1+ 35. Kb3 Bxc6 36. Nxc6 Rxc6 37. g4 e5 38. g5 Kd7 39. e4 Ke6 40. Kb4?! { (-4.81 → -6.44) Inaccuracy. a4 was best. } (40. a4 Kd7) 40... Rb6+?! { (-6.44 → -4.94) Inaccuracy. Rc2 was best. } (40... Rc2) 41. Kc5? { (-4.94 → -11.05) Mistake. Kc3 was best. } (41. Kc3 Rc6+) 41... Rd6? { (-11.05 → -4.39) Mistake. Rxb2 was best. } (41... Rxb2) 42. b4?! { (-4.39 → -5.91) Inaccuracy. a4 was best. } (42. a4 Rd8) 42... Rd4 43. a4 Rxe4 44. b5 Rg4 45. Kc6?! { (-6.42 → -61.85) Inaccuracy. a5 was best. } (45. a5 Ra4) 45... e4 46. b6 e3 47. b7 Rb4 48. a5?! { (-152.65 → Mate in 6) Checkmate is now unavoidable. Kc7 was best. } (48. Kc7 e2) 48... e2 49. Kc7 e1=Q 50. b8=Q Qc1+ 51. Kd8 Rxb8# { Black wins by checkmate. } 0-1