[Event "Rated classical game"] [Site "https://lichess.org/dqHBfAS2"] [Date "2023.06.10"] [White "Shobartina"] [Black "Octopus-Union"] [Result "0-1"] [UTCDate "2023.06.10"] [UTCTime "12:59:16"] [WhiteElo "1978"] [BlackElo "1990"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+25"] [Variant "Standard"] [TimeControl "2700+45"] [ECO "A48"] [Opening "London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 g6 3. Bf4 { A48 London System } Bg7 4. e3 O-O 5. c3 d6 6. Nbd2 c5 7. Bc4 Qb6 8. Qb3 Qxb3 9. Bxb3 Bf5 10. Ng5?! { (0.22 → -0.44) Inaccuracy. dxc5 was best. } (10. dxc5) 10... h6 11. Nxf7?? { (-0.48 → -2.47) Blunder. Ngf3 was best. } (11. Ngf3 Nbd7 12. h3 b5 13. a4 c4 14. Bd1 b4 15. Be2 bxc3 16. bxc3 Rfc8 17. Ra3 Bd3) 11... Rxf7 12. Bxf7+ Kxf7 13. dxc5 dxc5 14. Nb3 b6 15. O-O-O Nc6 16. f3 e5 17. Bg3 c4 18. Nd2 Bd3 19. e4 Nh5 20. Nf1 Nf4 21. Ne3 Ne2+ 22. Kd2 h5 23. Rde1 Nxg3 24. hxg3 Rd8 25. Kc1 b5 26. g4 hxg4 27. Nxg4 b4 28. Rh7 bxc3 29. bxc3 Rb8 30. Nf2 Rb1+ 31. Kd2 Rxe1? { (-2.92 → -1.13) Mistake. Rb2+ was best. } (31... Rb2+ 32. Ke3 Rc2 33. Nxd3 Rxc3 34. Rc1 Rxd3+ 35. Kf2 Rd4 36. Kg3 Nb4 37. Rc3 Nd3 38. Rh1) 32. Kxe1 Bb1 33. a3 Kg8 34. Rh1 Ba2 35. Ke2 Bb3 36. Rb1 Bf8 37. Rb2?? { (-1.33 → -3.64) Blunder. a4 was best. } (37. a4 a5 38. Ng4 Kf7 39. Kd2 Bxa4 40. Rb7+ Ke6 41. Rc7 Be7 42. Ne3 Kd6 43. Rc8 Bb3) 37... Kf7?? { (-3.64 → -1.51) Blunder. Bxa3 was best. } (37... Bxa3 38. Rd2 Nd4+ 39. cxd4 c3 40. dxe5 cxd2 41. Kxd2 Bb4+ 42. Kc1 Bc3 43. Nd3 a5 44. Nc5) 38. Rd2? { (-1.51 → -3.37) Mistake. a4 was best. } (38. a4 Ke6 39. Ng4 Bxa4 40. Rb7 a5 41. Ne3 Bb3 42. Rb6 Kd6 43. Nd5 Kc5 44. Ra6 a4) 38... Ke6?! { (-3.37 → -2.61) Inaccuracy. Bxa3 was best. } (38... Bxa3 39. Rd7+ Ke6 40. Rc7 Kd6 41. Rg7 a5 42. Rxg6+ Kc5 43. f4 exf4 44. Nh3 Bb2 45. Rg5+) 39. g3?! { (-2.61 → -3.49) Inaccuracy. a4 was best. } (39. a4 Bxa4) 39... Bxa3 40. Rd5 a5 41. f4 exf4 42. gxf4 a4 43. Nd1?! { (-3.26 → -4.21) Inaccuracy. Rb5 was best. } (43. Rb5 Bb2) 43... Bd6 44. e5? { (-4.10 → -6.96) Mistake. Rg5 was best. } (44. Rg5 Kf7 45. f5 gxf5 46. Rxf5+ Ke6 47. Rb5 a3 48. Rb6 a2 49. Ra6 Kd7 50. Ne3 Kc7) 44... Kxd5 45. exd6 Kxd6 46. Kd2?! { (-7.32 → -17.14) Inaccuracy. Nf2 was best. } (46. Nf2 a3 47. Kf3 a2 48. Kg3 Bc2 49. Ng4 Bf5 50. Ne3 Kc5 51. Kh4 Ne7 52. Nd1 Bc2) 46... a3?! { (-17.14 → -7.20) Inaccuracy. Bxd1 was best. } (46... Bxd1 47. Kc1 a3 48. Kb1 Bb3 49. Ka1 Kd5 50. Kb1 Ke4 51. Ka1 Kxf4 52. Kb1 g5 53. Kc1) 47. Kc1? { (-7.20 → Mate in 18) Checkmate is now unavoidable. Nf2 was best. } (47. Nf2 a2 48. Ne4+ Kc7 49. Ke2 Bc2 50. Nf6 Bf5 51. Ne8+ Kb8 52. Nf6 g5 53. fxg5 Bg6) 47... Ne7? { (Mate in 18 → -8.31) Lost forced checkmate sequence. Bxd1 was best. } (47... Bxd1 48. Kb1 Ke6 49. Ka2 Kf5 50. Kxa3 Kxf4 51. Kb2 g5 52. Kc1 Bf3 53. Kc2 Ke3 54. Kb2) 48. Ne3 Nd5 49. Ng2 Nxc3 50. Nh4 Ne2+ 51. Kb1?! { (-21.22 → Mate in 5) Checkmate is now unavoidable. Kd2 was best. } (51. Kd2 c3+ 52. Kxe2 a2 53. f5 c2 54. Nxg6 a1=Q 55. Nh8 c1=Q 56. Kf3 Qac3+ 57. Kg4 Qg7+) 51... Nxf4 52. Nxg6 Nxg6 53. Ka1 Kd5 54. Kb1 Kd4 55. Ka1 Kd3 56. Kb1 Bd1 57. Ka1 c3 58. Kb1 c2+ 59. Ka2 Kd2 60. Kb3 c1=Q+ 61. Ka2 Qb2# { Black wins by checkmate. } 0-1