[Event "2023 Spring Marathon"] [Site "https://lichess.org/fB4UB59Y"] [Date "2023.04.15"] [White "Kokosoviy_Piton"] [Black "Tiwachess"] [Result "0-1"] [UTCDate "2023.04.15"] [UTCTime "18:44:42"] [WhiteElo "2425"] [BlackElo "1866"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+12"] [Variant "Standard"] [TimeControl "120+0"] [ECO "D00"] [Opening "Queen's Pawn Game: Accelerated London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Accelerated London System } Na6?! { (0.00 → 0.84) Inaccuracy. c5 was best. } (2... c5 3. e3 Nf6 4. Nf3 Nc6 5. Nbd2 Qb6 6. dxc5 Qxb2 7. Rb1) 3. e3 Bf5 4. Bxa6 bxa6 5. c4 dxc4 6. Nc3 Nf6 7. Qa4+ Qd7 8. Qxc4 c6?! { (1.90 → 2.58) Inaccuracy. Ne4 was best. } (8... Ne4 9. Nge2 g5 10. Bg3 Rc8 11. h4 c5 12. d5 gxh4 13. Rxh4 Nxg3 14. Nxg3 Bg6 15. Nh5) 9. Nf3 Nd5 10. Ne5 Qc8?? { (2.30 → 4.74) Blunder. Qe6 was best. } (10... Qe6) 11. Nxd5?! { (4.74 → 3.29) Inaccuracy. e4 was best. } (11. e4 f6) 11... cxd5 12. Qxc8+?? { (3.10 → 0.49) Blunder. Qa4+ was best. } (12. Qa4+ Bd7 13. Nxd7 Qxd7 14. Qxd7+ Kxd7 15. Rc1 g5 16. Rc7+ Kd8 17. Bg3 Rg8 18. O-O h5) 12... Rxc8 13. O-O?! { (0.46 → -0.53) Inaccuracy. g4 was best. } (13. g4) 13... f6 14. Nf3 e6? { (-0.54 → 0.95) Mistake. g5 was best. } (14... g5 15. Bg3 g4 16. Nh4 Bc2 17. f3 Bh6 18. Rfe1 gxf3 19. gxf3 Kf7 20. Rac1 a5 21. Ng2) 15. Nh4?? { (0.95 → -1.23) Blunder. Rfc1 was best. } (15. Rfc1 Kd7) 15... Bg6?? { (-1.23 → 4.10) Blunder. Bd3 was best. } (15... Bd3 16. Rfd1) 16. Nxg6 hxg6 17. Rfc1 Kd7?! { (4.24 → 5.72) Inaccuracy. Rd8 was best. } (17... Rd8) 18. Rxc8 Kxc8 19. Rc1+ Kd8 20. Rc7?? { (5.53 → -0.59) Blunder. Rc6 was best. } (20. Rc6 g5 21. Bg3 Rh6 22. h3 Be7 23. Rxa6 e5 24. Ra5 exd4 25. Rxd5+ Ke8 26. exd4 Bd8) 20... Rh5?? { (-0.59 → 6.71) Blunder. e5 was best. } (20... e5) 21. Rxa7 e5 22. Bg3 Bd6 23. Rxa6 Bc7 24. Rc6 Kd7 25. Rc5 Kd6?! { (4.76 → 6.52) Inaccuracy. Bb6 was best. } (25... Bb6 26. Rxd5+) 26. a4 Bb6 27. Rb5 Kc6 28. Rb3?? { (6.34 → 2.65) Blunder. dxe5 was best. } (28. dxe5 fxe5 29. Kf1 Rf5 30. e4 dxe4 31. Rxe5 Bd4 32. Rxe4 Bxb2 33. Bf4 Kd5 34. f3 Rf6) 28... g5?? { (2.65 → 6.54) Blunder. exd4 was best. } (28... exd4 29. Rd3 dxe3 30. fxe3 Ba5 31. Kf1 Rh8 32. h3 g5 33. Be1 Bxe1 34. Kxe1 Rb8 35. b3) 29. Rc3+ Kd6 30. dxe5+ fxe5 31. Rb3 Bc7 32. Rb5 g4 33. e4 dxe4 34. Kf1 Kc6?! { (4.72 → 6.82) Inaccuracy. Ke6 was best. } (34... Ke6) 35. Ke2 g5 36. Ke3 Bb6+ 37. Kxe4 Bd4 38. Bxe5 Bxe5 39. Kxe5 g3 40. Kf5?? { (8.70 → -9.09) Blunder. hxg3 was best. } (40. hxg3 Rh1 41. b4 Ra1 42. Rc5+ Kb7 43. f4 gxf4 44. gxf4 Rh1 45. a5 Re1+ 46. Kf6 Re4) 40... gxh2 41. g4 Rh4 42. Kxg5 h1=Q 43. f4?! { (-10.78 → Mate in 9) Checkmate is now unavoidable. Rb3 was best. } (43. Rb3 Qd5+ 44. Kxh4 Qxb3 45. g5 Qxb2 46. f3 Kd5 47. Kh5 Qg2 48. Kh6 Qxf3 49. g6 Qf6) 43... Qh3 44. f5 Qxg4+ 45. Kf6 Rh6+ 46. Ke5 Rd6?! { (Mate in 2 → -12.65) Lost forced checkmate sequence. Qg3+ was best. } (46... Qg3+ 47. Kd4 Rh4#) 47. Ra5?! { (-12.65 → Mate in 1) Checkmate is now unavoidable. Rb6+ was best. } (47. Rb6+ Kxb6 48. Kxd6 Qxf5 49. Ke7 Qe5+ 50. Kf7 Qxb2 51. a5+ Ka6 52. Ke6 Qb3+ 53. Kf5 Qb4) 47... Qd4# { Black wins by checkmate. } 0-1