[Event "Monthly Classical Arena"] [Site "https://lichess.org/Mzia1UQn"] [Date "2021.04.02"] [White "petrosianking"] [Black "Demonov-2000"] [Result "1-0"] [UTCDate "2021.04.02"] [UTCTime "19:45:15"] [WhiteElo "1843"] [BlackElo "1875"] [WhiteRatingDiff "+52"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { A02 Bird Opening } e6 2. Nf3 d5 3. e3 Nf6 4. Be2 c5 5. b3 g6 6. Bb2 Bg7 7. O-O O-O 8. Qe1 Ne4 9. Bxg7 Kxg7 10. Nc3 Nxc3 11. dxc3 Nd7 12. Qg3?! { (0.61 → -0.10) Inaccuracy. c4 was best. } (12. c4 b6) 12... Nf6 13. Ne5 Ne4 14. Qe1 a6 15. c4 dxc4? { (0.04 → 1.42) Mistake. f6 was best. } (15... f6 16. Ng4 Bd7 17. Nf2 Bc6 18. cxd5 Bxd5 19. Bf3 Nxf2 20. Qxf2 Qe7 21. Rad1 Bxf3 22. Qxf3) 16. Bxc4? { (1.42 → 0.24) Mistake. Rd1 was best. } (16. Rd1 Qc7 17. Bf3 Nd6 18. Qd2 f6 19. Nxg6 Rd8 20. Nh4 cxb3 21. cxb3 Nf7 22. Qc3 Bd7) 16... Qd2?! { (0.24 → 1.11) Inaccuracy. f6 was best. } (16... f6 17. Rd1 Qc7 18. Bd3 Nd6 19. Nf3 b5 20. e4 c4 21. e5 cxd3 22. exd6 Qc5+ 23. Qf2) 17. Bd3?! { (1.11 → 0.33) Inaccuracy. Qxd2 was best. } (17. Qxd2 Nxd2 18. Rfd1 Nxc4 19. Nxc4 b5 20. Nd6 Ra7 21. Kf2 Bd7 22. Rd3 Bc6 23. Rad1 Bd5) 17... Qxe1 18. Rfxe1 Nc3 19. a4 Rd8 20. Nc4 Bd7 21. Nb6 Rab8 22. Nxd7 Rxd7 23. e4 f5 24. exf5 exf5 25. Re3 Nd5 26. Rf3 Re7 27. Raf1 Rbe8 28. Rg3 Nb4 29. Bxf5 Kf6 30. Bd3 Na2?? { (0.15 → 3.23) Blunder. Rd8 was best. } (30... Rd8 31. f5) 31. f5 g5 32. Rh3 Nc3? { (3.32 → 5.89) Mistake. Rd7 was best. } (32... Rd7 33. Rh6+) 33. Rh6+ Kg7 34. Rh5 Kf6 35. Rh6+ Kg7 36. Rb6? { (5.71 → 3.37) Mistake. Rxa6 was best. } (36. Rxa6) 36... Kf7? { (3.37 → 5.56) Mistake. Kf8 was best. } (36... Kf8 37. Bc4) 37. f6 Rd7 38. Bxh7? { (5.91 → 3.16) Mistake. Rf5 was best. } (38. Rf5) 38... Nd5?? { (3.16 → 7.65) Blunder. Ne2+ was best. } (38... Ne2+ 39. Kh1) 39. Bg6+ Kf8 40. Bxe8 Kxe8 41. Re6+ Kf7 42. Re5 Nxf6 43. Rxc5 Kg6 44. Re1 Rd2 45. h3 Nd5 46. Re5 Rd1+ 47. Kh2 Nf4 48. Rxg5+ Kh6 49. Rg4 Ne6 50. Re5 Nd4 51. Rd5 Nf3+ 52. gxf3 Rxd5 53. Rb4 Rd2+ 54. Kg3 Rxc2 55. Rxb7 Kg5 56. h4+ Kf5 57. Rb6 Rc1 58. Rxa6 Rg1+ 59. Kf2 Rh1 60. Ra5+ Kf4 61. Rb5 Rh2+ 62. Ke1 Ke3?! { (5.92 → 8.28) Inaccuracy. Kxf3 was best. } (62... Kxf3 63. Kd1) 63. Re5+ Kxf3 64. h5 Kf4 65. Rb5 Ke3 66. Kd1 Kd3 67. Rd5+ Ke4 68. Rb5 Kd3 69. Kc1 Kc3 70. Kd1?? { (8.09 → 0.00) Blunder. Kb1 was best. } (70. Kb1) 70... Kd3 71. Ke1 Ke3 72. Kf1 Kf3 73. Kg1 Rb2 74. h6 Kg3 75. Kf1 Kf3 76. Ke1 Ke3 77. Kd1 Kd3 78. Kc1 Rh2 79. Rb6 Kc3 80. Kd1 Kd3 81. Ke1 Ke3 82. Kf1 Kf3 83. Kg1 Rb2 84. h7 Kg3?! { (67.97 → Mate in 9) Checkmate is now unavoidable. Rb1+ was best. } (84... Rb1+ 85. Kh2) 85. Kf1? { (Mate in 9 → 9.00) Lost forced checkmate sequence. Rg6+ was best. } (85. Rg6+ Kf4 86. h8=Q Rb1+ 87. Kf2 Kf5 88. Qh5+ Ke4 89. Re6+ Kd4 90. Qh8+ Kd3 91. Re3+ Kc2) 85... Kf3? { (9.00 → Mate in 34) Checkmate is now unavoidable. Rh2 was best. } (85... Rh2 86. Rb7) 86. Ke1? { (Mate in 34 → 8.81) Lost forced checkmate sequence. Rf6+ was best. } (86. Rf6+) 86... Ke3? { (8.81 → Mate in 12) Checkmate is now unavoidable. Rh2 was best. } (86... Rh2) 87. Kd1? { (Mate in 12 → 9.22) Lost forced checkmate sequence. Re6+ was best. } (87. Re6+ Kd3 88. Rd6+ Ke3 89. h8=Q Rb1+ 90. Rd1 Ke4 91. Rxb1 Kf5 92. a5 Ke6 93. a6 Kf5) 87... Rh2 88. Rb7 Kd3 89. Ke1 Kd4 90. Kf1 Kc5 91. Kg1 Rh6 92. a5 Kc6? { (9.13 → Mate in 8) Checkmate is now unavoidable. Kd5 was best. } (92... Kd5 93. Kg2) 93. a6?! { (Mate in 8 → 10.11) Lost forced checkmate sequence. Rb6+ was best. } (93. Rb6+ Kc5 94. Rxh6 Kd4 95. h8=Q+ Ke4 96. Rd6 Kf4 97. Qf6+ Kg4 98. Rd4+ Kg3 99. Qf2+ Kh3) 93... Rg6+ 94. Kf2 Rf6+ 95. Kg3 Rf8 96. b4 Ra8 97. b5+ Kc5 98. b6 Kb5 99. Kf4 Kxa6?! { (14.45 → Mate in 10) Checkmate is now unavoidable. Rf8+ was best. } (99... Rf8+ 100. Kg5) 100. Ra7+ Rxa7 101. bxa7 Kxa7 102. h8=Q Kb6 103. Qe5 Kc6 104. Ke4 Kd7 105. Qd5+ Ke7 106. Ke5 Kf8 107. Qe6 Kg7 108. Kf5 Kh7 109. Qd7+ Kh6 110. Kf4 Kh5 111. Qf5+ Kh4 112. Qg5+ Kh3 113. Qg3# { White wins by checkmate. } 1-0