[Event "PNWCC Jackpot 20"] [Site "https://lichess.org/rqxTTEa9"] [Date "2020.09.19"] [White "Demchenko_Anton"] [Black "BMWHero"] [Result "1-0"] [UTCDate "2020.09.19"] [UTCTime "18:44:12"] [WhiteElo "2673"] [BlackElo "2605"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-5"] [WhiteTitle "GM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A46"] [Opening "Indian Defense: London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 e6 3. Bf4 { A46 Indian Defense: London System } c5 4. e3 Nc6 5. Nbd2 h6 6. h3 d5 7. Be2 Bd6?! { (-0.41 → 0.16) Inaccuracy. Qb6 was best. } (7... Qb6 8. dxc5) 8. dxc5 Bxc5 9. O-O O-O 10. c4 b6 11. a3 a5 12. Rc1?! { (0.56 → -0.13) Inaccuracy. Nb3 was best. } (12. Nb3 Be7 13. cxd5 Nxd5 14. Bh2 Bb7 15. Rc1 Rc8 16. Rc2 f5 17. Bc4 Bd6 18. Bxd5 Bxh2+) 12... Bb7 13. cxd5 Nxd5 14. Bg3 Nf6?! { (0.12 → 0.83) Inaccuracy. Nce7 was best. } (14... Nce7 15. e4 Nf6 16. Qa4 Bc6 17. Bb5 Bxb5 18. Qxb5 Qe8 19. Qxe8 Rfxe8 20. Rc4 a4 21. e5) 15. Qa4 Rc8?! { (0.77 → 1.65) Inaccuracy. Ne7 was best. } (15... Ne7 16. Rfd1 Qe8 17. Bb5 Bc6 18. Bxc6 Qxc6 19. Qxc6 Nxc6 20. Nc4 Rac8 21. Nfd2 Ne7 22. Nb3) 16. Rfd1 Qe7 17. Nb3 Nd7 18. Bb5?! { (2.12 → 1.41) Inaccuracy. Qb5 was best. } (18. Qb5 Ncb8) 18... Rfd8 19. Bh4 f6 20. Bg3 Qf7 21. Rd2 Qe7 22. Rcd1 Nf8?! { (1.49 → 2.18) Inaccuracy. Qf7 was best. } (22... Qf7 23. Rc1 Qe7 24. Rdd1 Kh8 25. Qg4 Nce5 26. Nxe5 Nxe5 27. Bxe5 fxe5 28. Bc4 Rxd1+ 29. Rxd1) 23. Nxc5 Rxd2?! { (2.40 → 3.32) Inaccuracy. Qxc5 was best. } (23... Qxc5 24. Bd6 Qh5 25. Qb3 a4 26. Qxa4 Ra8 27. Qg4 Qxg4 28. hxg4 Na5 29. Bxf8 Rxd2 30. Rxd2) 24. Nxd2 bxc5 25. Nc4 e5?? { (3.05 → 6.43) Blunder. Ne5 was best. } (25... Ne5) 26. Nd6 Rd8 27. Nxb7 Qxb7 28. Rxd8 Nxd8 29. Qxa5 Nfe6 30. Qa4 Nf7?! { (3.28 → 4.34) Inaccuracy. Kf8 was best. } (30... Kf8 31. Qc4 Qe7 32. a4 Nb7 33. Qd5 Ned8 34. Bc4 Nf7 35. f4 Nbd6 36. Qxc5 Ne4 37. Qxe7+) 31. Bc4 Qe7 32. Qa8+ Kh7 33. Qd5 Ned8 34. b3 Ng5?! { (4.76 → 6.64) Inaccuracy. Nd6 was best. } (34... Nd6 35. Bd3+) 35. h4 Nge6 36. h5 Qf7 37. Bd3+ Kg8 38. Bf5?! { (6.52 → 4.89) Inaccuracy. Bc4 was best. } (38. Bc4) 38... Kf8 39. f3 Qe7 40. Qc4 Qd6 41. Qd3? { (4.58 → 2.52) Mistake. b4 was best. } (41. b4) 41... Qc7?? { (2.52 → 5.27) Blunder. Qxd3 was best. } (41... Qxd3) 42. Be1 Ke7 43. Qc4 Qd6 44. Qd3?? { (5.33 → 2.51) Blunder. a4 was best. } (44. a4 e4) 44... Qc7? { (2.51 → 4.86) Mistake. Qxd3 was best. } (44... Qxd3 45. Bxd3) 45. a4 Nf7 46. Qd5 Ned8 47. a5 Nd6 48. Bd3 Ne6 49. a6 Qb6 50. Bc4 Nxc4 51. Qb7+?? { (3.98 → 0.24) Blunder. Qxc4 was best. } (51. Qxc4 Nc7) 51... Qc7?? { (0.24 → 8.43) Blunder. Kd6 was best. } (51... Kd6 52. Kf2 Qxb7 53. axb7 Kc7 54. bxc4 Ng5 55. f4 exf4 56. exf4 Ne4+ 57. Kf3 f5 58. g4) 52. bxc4 Kd7 53. Qd5+ Qd6 54. Qb7+ Qc7 55. Qb5+ Qc6 56. Ba5 Nc7 57. Bxc7 Kxc7 58. Kf1? { (8.78 → 4.77) Mistake. a7 was best. } (58. a7 Qa8 59. Qxc5+ Kb7 60. Qe7+ Ka6 61. Qxg7 Qxa7 62. Qxf6+ Ka5 63. Qxh6 e4 64. fxe4 Qc5) 58... Qd6?? { (4.77 → Mate in 17) Checkmate is now unavoidable. e4 was best. } (58... e4) 59. Qa5+?? { (Mate in 17 → 3.16) Lost forced checkmate sequence. Qb7+ was best. } (59. Qb7+ Kd8 60. a7 Qd3+ 61. Kf2 Qd2+ 62. Kg3 Qa2 63. a8=R+ Qxa8 64. Qxa8+ Kc7 65. Qa7+ Kd6) 59... Kb8?? { (3.16 → Mate in 26) Checkmate is now unavoidable. Qb6 was best. } (59... Qb6 60. Qb5 f5 61. Qe8 Qxa6 62. Qxe5+ Kc6 63. Qd5+ Kb6 64. Qd6+ Kb7 65. Qxc5 g5 66. hxg6) 60. Ke2?? { (Mate in 26 → 3.62) Lost forced checkmate sequence. Qb5+ was best. } (60. Qb5+ Kc7 61. Qb7+ Kd8 62. a7 Qd1+ 63. Kf2 Qd2+ 64. Kg3 Qa2 65. a8=R+ Qxa8 66. Qxa8+ Kc7) 60... e4?? { (3.62 → Mate in 18) Checkmate is now unavoidable. Ka7 was best. } (60... Ka7 61. e4 Qd7 62. Qb5 Qc8 63. Kd2 Qd8+ 64. Kc3 Qc7 65. Kc2 Qb6 66. Kb3 Qxa6 67. Qxc5+) 61. Qb5+ Kc8 62. Qb7+ Kd8 63. fxe4 Qg3 64. e5 Qg4+ 65. Kd2 Qg3?! { (14.80 → Mate in 9) Checkmate is now unavoidable. Qf5 was best. } (65... Qf5 66. Qd5+) 66. a7?? { (Mate in 9 → 0.00) Lost forced checkmate sequence. Qb8+ was best. } (66. Qb8+ Kd7 67. e6+ Kxe6 68. Qxg3 g5 69. a7 f5 70. a8=Q f4 71. Qe8+ Kf6 72. Qf8+ Ke6) 66... Qf2+ 67. Kd3 Qf1+ 68. Kd2 Qf2+ 69. Kd1 Qf1+ 70. Kc2 Qe2+ 71. Kb1 Qd1+ 72. Kb2 Qd2+ 73. Ka3 Qc1+?? { (0.59 → Mate in 45) Checkmate is now unavoidable. Qc3+ was best. } (73... Qc3+ 74. Ka2 Qc2+ 75. Qb2 Qa4+ 76. Kb1 Qd1+ 77. Qc1 Qb3+ 78. Ka1 Qa4+ 79. Kb2 Qb4+ 80. Kc2) 74. Qb2 Qxe3+ 75. Ka4 Qe4 76. Qb8+ Kd7?! { (27.81 → Mate in 16) Checkmate is now unavoidable. Ke7 was best. } (76... Ke7 77. a8=Q) 77. a8=Q Qxc4+ 78. Ka3 Qc3+ 79. Ka2 Qc2+ 80. Qb2 Qc4+ 81. Qb3 Qe2+?! { (74.88 → Mate in 5) Checkmate is now unavoidable. Qxb3+ was best. } (81... Qxb3+ 82. Kxb3) 82. Ka3 { Black resigns. } 1-0