[Event "Ulyanovsk RUS, Sidorov Mem 2013"] [Site "Ulyanovsk RUS"] [Date "2013.07.11"] [Round "2"] [White "Aleferchuk, Sergey"] [Black "Gabunov, Fail"] [Result "1-0"] [WhiteElo "?"] [BlackElo "1788"] [Variant "Standard"] [TimeControl "-"] [ECO "D37"] [Opening "Queen's Gambit Declined: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 { D37 Queen's Gambit Declined: Three Knights Variation } b6 5. g3 Bb7 6. Bg2 Be7 7. Ne5 O-O 8. cxd5 exd5 9. O-O h6 10. a3 c6 11. b4 Bd6 12. Nd3 Nbd7 13. Qb3 Re8 14. Re1 Rc8 15. Bb2 Ba8 16. e4 dxe4 17. Nxe4 Nxe4 18. Rxe4 c5 19. Rxe8+ Qxe8 20. dxc5 bxc5 21. Bxa8 c4? { (0.34 → 1.95) Mistake. Rxa8 was best. } (21... Rxa8) 22. Qc3 Bf8? { (1.81 → 3.39) Mistake. Qf8 was best. } (22... Qf8 23. Nc5 Be5 24. Qc2 c3 25. Bxc3 Nxc5 26. Bxe5 Nd7 27. Bxg7 Rxc2 28. Bxf8 Kxf8 29. Rd1) 23. Re1?! { (3.39 → 2.29) Inaccuracy. Bb7 was best. } (23. Bb7 Rb8 24. Re1 Qd8 25. Bd5 cxd3 26. Bxf7+ Kh8 27. Qxd3 Nf6 28. Qxd8 Rxd8 29. Bc4 Kh7) 23... Qd8 24. Bf3? { (2.46 → 1.20) Mistake. Bb7 was best. } (24. Bb7 Rc7) 24... cxd3 25. Qxd3 Nb6?! { (1.08 → 2.12) Inaccuracy. Ne5 was best. } (25... Ne5 26. Qe2 Nxf3+ 27. Qxf3 Qd2 28. Qe2 Qxe2 29. Rxe2 a6 30. f3 f6 31. Kf2 Kf7 32. Ke3) 26. Qf5 Qd2 27. Re2 Qd1+ 28. Kg2 Qd7 29. Qe5 Nc4 30. Qf4?! { (1.49 → 0.76) Inaccuracy. Qe4 was best. } (30. Qe4 Rc7 31. Bd4 Qd8 32. a4 Rd7 33. Bxg7 Nd6 34. Bf6 Nxe4 35. Bxd8 Rxd8 36. Rxe4 Rd2) 30... Nxb2 31. Rxb2 Rc3 32. Rd2 Qc8?! { (0.69 → 1.50) Inaccuracy. Qe7 was best. } (32... Qe7 33. Re2 Qf6 34. Qxf6 gxf6 35. Re3 Rxe3 36. fxe3 f5 37. Kf2 Bg7 38. Ke2 Bb2 39. a4) 33. Bd5 Qc7 34. Qxc7?! { (1.32 → 0.61) Inaccuracy. Qf5 was best. } (34. Qf5) 34... Rxc7 35. Rd3 Be7 36. h4 Kf8 37. Kf3 Bf6 38. b5 Rc3 39. Ke4 Ke7 40. a4 Rc1?! { (0.72 → 1.33) Inaccuracy. Be5 was best. } (40... Be5 41. a5 f5+ 42. Ke3 f4+ 43. gxf4 Bxf4+ 44. Kd4 Rxd3+ 45. Kxd3 Bc7 46. b6 axb6 47. a6) 41. Bc6 Rc4+ 42. Kf3?! { (1.47 → 0.57) Inaccuracy. Kd5 was best. } (42. Kd5 Rc3 43. Rd2 Kf8 44. Ra2 Be7 45. a5 Rc5+ 46. Kd4 g6 47. Bd7 Rc1 48. Bg4 Bc5+) 42... Bd4 43. a5 f5 44. h5 Kf6 45. Rd2 Ke5 46. Ra2 Kd6 47. g4?! { (0.97 → 0.08) Inaccuracy. Be8 was best. } (47. Be8 Bc3 48. Rc2 Kc7 49. Rc1 Rc5 50. Kg2 Kd8 51. Bg6 Kc7 52. Bxf5 Bb4 53. Rxc5+ Bxc5) 47... fxg4+ 48. Kxg4 Bxf2+ 49. Kf5 Rc5+ 50. Kg6 Rg5+ 51. Kf7 Bd4 52. Ra4 Be5?! { (0.06 → 0.64) Inaccuracy. Bc3 was best. } (52... Bc3 53. Ra3 Bd4 54. Rd3 Kc5 55. Bf3 Kc4 56. Be2 Rd5 57. Rd1+ Kc5 58. b6 axb6 59. Rc1+) 53. Rc4 Rxh5?? { (0.23 → 2.97) Blunder. Bg3 was best. } (53... Bg3 54. Rd4+ Kc5 55. Rd7 a6 56. Rb7 Rxh5 57. Rb6 Rf5+ 58. Kg8 Kc4 59. Rxa6 g5 60. Ra7) 54. b6 axb6 55. a6 Rf5+ 56. Ke8 Ba1 57. a7 Ra5 58. a8=Q Rxa8+ 59. Bxa8 b5 60. Re4? { (3.35 → 1.91) Mistake. Rc6+ was best. } (60. Rc6+ Ke5 61. Rb6 Bd4 62. Rxb5+ Kf6 63. Rb4 Be3 64. Rb3 Bd4 65. Rd3 Ba1 66. Rf3+ Kg5) 60... Be5?! { (1.91 → 2.94) Inaccuracy. Kc5 was best. } (60... Kc5 61. Re7 b4 62. Rc7+ Kd4 63. Rd7+ Ke3 64. Bd5 g5 65. Kf7 Bc3 66. Re7+ Kd3 67. Kg6) 61. Kf7 Bf6 62. Kg6 Kc5 63. Kf5 b4 64. Re3 Bd4 65. Rf3 Kc4 66. Ke4 Bc3 67. Bd5+ Kb5 68. Bb3 Bf6 69. Kd5 h5?! { (3.06 → 4.35) Inaccuracy. Kb6 was best. } (69... Kb6 70. Rh3 Kb5 71. Re3 Kb6 72. Bd1 Kc7 73. Re4 Bc3 74. Re7+ Kb6 75. Re3 Bf6 76. Kc4) 70. Rf5 h4?? { (4.25 → Mate in 21) Checkmate is now unavoidable. Kb6 was best. } (70... Kb6 71. Rxh5 Bc3 72. Kc4 Bd2 73. Rb5+ Kc7 74. Rc5+ Kb6 75. Ba4 g5 76. Rc6+ Kb7 77. Re6) 71. Kd6+ Kb6 72. Ba4?? { (126.67 → 4.00) Blunder. Bc4 was best. } (72. Bc4) 72... Bc3?? { (4.00 → Mate in 12) Checkmate is now unavoidable. h3 was best. } (72... h3 73. Rb5+ Ka6 74. Rh5 g5 75. Kc5 Kb7 76. Rxh3 Be7+ 77. Kd5 Kc7 78. Rh6 Bf8 79. Rc6+) 73. Rb5+ Ka6 74. Kc6 Bd2?! { (123.43 → Mate in 6) Checkmate is now unavoidable. b3 was best. } (74... b3 75. Rb8) 75. Bb3 g5 76. Bc4 Ka7 77. Rb7+ Ka8 78. Bd5 Bf4 79. Kb6 Be3+ 80. Ka6 Ba7 81. Rxb4# { White wins by checkmate. } 1-0