[Event "Challenge 500 By AXPortugal"] [Site "https://lichess.org/n7jodVSH"] [Date "2020.12.12"] [White "richard77b"] [Black "Dradster"] [Result "1-0"] [UTCDate "2020.12.12"] [UTCTime "16:07:05"] [WhiteElo "2308"] [BlackElo "2171"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A46"] [Opening "Indian Defense: Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 { A46 Indian Defense: Knights Variation } e6 3. g3 c5 4. c3 Be7 5. Bg2 d5 6. O-O O-O 7. Nbd2 a6 8. a3 b5 9. b4 c4 10. a4 Bb7 11. Qc2 Nc6?! { (-0.75 → 0.00) Inaccuracy. Nbd7 was best. } (11... Nbd7 12. axb5 axb5 13. Rxa8 Qxa8 14. Bb2 Bc6 15. Ra1 Qb7 16. Nf1 Ra8 17. Rxa8+ Qxa8 18. N1d2) 12. Re1 bxa4 13. Rxa4 Na7 14. Ne5 Nb5 15. e3 Nd7? { (-0.17 → 1.46) Mistake. Qc7 was best. } (15... Qc7) 16. Nxd7?? { (1.46 → -0.33) Blunder. Ndxc4 was best. } (16. Ndxc4) 16... Qxd7 17. e4?? { (-0.19 → -3.94) Blunder. Ra2 was best. } (17. Ra2) 17... Rfc8?? { (-3.94 → 0.00) Blunder. Nxc3 was best. } (17... Nxc3 18. Ra1 Bxb4 19. Re3 Nb5 20. exd5 Bxd5 21. Bxd5 exd5 22. Nf3 Rfc8 23. Ng5 g6 24. Nf3) 18. Ra1? { (0.00 → -1.37) Mistake. exd5 was best. } (18. exd5 Bxd5 19. Bxd5 exd5 20. Ra1 Bxb4 21. cxb4 Nxd4 22. Qc3 Nb5 23. Qf3 Nd4) 18... dxe4?? { (-1.37 → 0.43) Blunder. e5 was best. } (18... e5 19. dxe5) 19. Nxe4 Kh8?! { (0.53 → 1.37) Inaccuracy. Bd5 was best. } (19... Bd5 20. Nc5) 20. Bg5?? { (1.37 → -2.34) Blunder. Nc5 was best. } (20. Nc5 Bxc5) 20... h6?? { (-2.34 → 1.10) Blunder. Bxe4 was best. } (20... Bxe4 21. Bxe4 Bxg5 22. Bxa8 Rxa8 23. Re5 Be7 24. Re3 Qd5 25. Qe2 Kg8 26. Qf3 Nc7 27. h4) 21. Bxe7 Qxe7 22. Ra5 Rd8 23. Nc5 Bxg2 24. Kxg2 Nc7?! { (1.04 → 2.04) Inaccuracy. Qd6 was best. } (24... Qd6) 25. Rea1 Rd6?! { (1.60 → 2.74) Inaccuracy. Nb5 was best. } (25... Nb5) 26. f4?! { (2.74 → 1.49) Inaccuracy. b5 was best. } (26. b5 Qe8 27. bxa6 Qc6+ 28. f3 e5 29. dxe5 Rd5 30. Ne4 Rxa5 31. Rxa5 Rxa6 32. Rxa6 Nxa6) 26... Qe8 27. Qe2 Qc6+ 28. Kf2 Nd5?! { (2.05 → 3.29) Inaccuracy. Rdd8 was best. } (28... Rdd8 29. Qxc4 Rdb8 30. Qe2 Rb6 31. Qf3 Nd5 32. R5a3 Kg8 33. Kg1 Ra7 34. Rb3 Qd6 35. Qd3) 29. Qxc4 Nc7 30. Qd3 Kg8?! { (2.40 → 3.15) Inaccuracy. Rd5 was best. } (30... Rd5) 31. h3?! { (3.15 → 2.34) Inaccuracy. Qf3 was best. } (31. Qf3 Qe8 32. b5 Qb8 33. Kg1 Ra7 34. bxa6 Rb6 35. Qf1 Ne8 36. Qd1 Qd8 37. Qd3 Qb8) 31... h5 32. g4 hxg4 33. hxg4 g6?? { (2.34 → 7.45) Blunder. Nd5 was best. } (33... Nd5 34. Qe4 Nxb4 35. cxb4 Qxe4 36. Nxe4 Rxd4 37. Ke3 Rxb4 38. Rxa6 Rb3+ 39. Kd2 Rd8+ 40. Kc2) 34. Kg3?? { (7.45 → 2.52) Blunder. Qh3 was best. } (34. Qh3) 34... Kg7 35. Qf3? { (3.18 → 1.80) Mistake. Ne4 was best. } (35. Ne4 Rd7) 35... Qxf3+ 36. Kxf3 Rh8 37. Kg3 Nd5?! { (1.53 → 2.18) Inaccuracy. Nb5 was best. } (37... Nb5 38. Rc1 Nc7 39. Ra3 Rb6 40. Raa1 Nb5 41. Ra2 Nc7 42. g5 Rd6 43. Ne4 Rc6 44. Ra5) 38. R1a3 Ne3?? { (1.77 → 4.04) Blunder. Rh1 was best. } (38... Rh1 39. Rxa6) 39. Rxa6 Rxa6 40. Rxa6 Rh1?! { (4.02 → 5.87) Inaccuracy. Rb8 was best. } (40... Rb8 41. Ra7) 41. Ra7? { (5.87 → 3.41) Mistake. b5 was best. } (41. b5 Rb1 42. b6 Nd5 43. b7 Nxc3 44. Ra8 Ne2+ 45. Kf2 Nxf4 46. b8=Q Rxb8 47. Rxb8 Nh3+) 41... Nd1? { (3.41 → 5.45) Mistake. Kg8 was best. } (41... Kg8) 42. Nxe6+ Kf6 43. Nc5?? { (7.95 → 3.47) Blunder. Ng5 was best. } (43. Ng5 Kg7 44. c4 Kg8 45. b5 Ne3 46. b6 Nxc4 47. b7 Rg1+ 48. Kh2 Rb1 49. Ra8+ Kg7) 43... Nxc3 44. Kf3?! { (2.98 → 2.14) Inaccuracy. g5+ was best. } (44. g5+ Kg7 45. Nd3 Kg8 46. Ne5 Rd1 47. Rxf7 Rxd4 48. b5 Rb4 49. Kf3 Nd5 50. Rd7 Nxf4) 44... Rb1?! { (2.14 → 3.29) Inaccuracy. Rf1+ was best. } (44... Rf1+) 45. Nd3?! { (3.29 → 2.55) Inaccuracy. g5+ was best. } (45. g5+) 45... Rb3?! { (2.55 → 3.37) Inaccuracy. Nb5 was best. } (45... Nb5 46. Rd7) 46. Ne5?? { (3.37 → -5.32) Blunder. g5+ was best. } (46. g5+) 46... Nd5+?? { (-5.32 → 7.26) Blunder. Nb5+ was best. } (46... Nb5+ 47. Ke4 Nxa7 48. Nc4 Nc8 49. Kd5 Rxb4 50. Nd2 Ke7 51. Kc5 Rb2 52. Nc4 Rb1 53. Kd5) 47. Ke4 Nc3+ 48. Kd3 Nb5+ 49. Kc4 Nxa7 50. Kxb3 g5 51. fxg5+ Kxg5 52. Nxf7+ Kxg4 53. Kc4 Kf5?! { (46.90 → Mate in 18) Checkmate is now unavoidable. Nc8 was best. } (53... Nc8 54. b5) 54. Kc5 Ke6 55. Ng5+?! { (Mate in 37 → 73.90) Lost forced checkmate sequence. b5 was best. } (55. b5 Nc8 56. d5+ Kxf7 57. b6 Ne7 58. b7 Ng8 59. b8=Q Nf6 60. Kc6 Kg6 61. d6 Kg5) 55... Kd7 56. b5 Kc7?! { (61.74 → Mate in 11) Checkmate is now unavoidable. Nc8 was best. } (56... Nc8 57. Nf7) 57. d5?! { (Mate in 11 → 62.50) Lost forced checkmate sequence. b6+ was best. } (57. b6+ Kb8 58. bxa7+ Kxa7 59. d5 Kb7 60. Ne6 Ka6 61. d6 Ka5 62. d7 Ka4 63. d8=Q Ka3) 57... Kb7?! { (62.50 → Mate in 12) Checkmate is now unavoidable. Nc8 was best. } (57... Nc8) 58. d6 Kc8 59. Ne4 Kb7 60. Nf6 Nc8 61. d7 Kc7 62. dxc8=Q+ Kxc8 63. Kc6 Kb8 64. Kb6 Kc8 65. Ka7 Kc7 66. b6+ Kd6 67. b7 Ke6 68. b8=Q Kf5 69. Qe8 Kg5 70. Nd7 Kf5 71. Kb6 Kf4 72. Kc6 Kf5 73. Kd5 Kf4 74. Qe4+ Kg5 75. Qf3 Kg6 76. Qf4 Kg7 77. Qf5 Kg8 78. Qf6 Kh7 79. Qg5 Kh8 80. Ke6 Kh7 81. Kf7 Kh8 82. Qg7# { White wins by checkmate. } 1-0