[Event "Checkmate Coronavirus Blitz Arena"] [Site "https://lichess.org/pUoVVsLg"] [Date "2020.05.22"] [White "omersaka"] [Black "inicio_e4"] [Result "0-1"] [UTCDate "2020.05.22"] [UTCTime "23:20:57"] [WhiteElo "2251"] [BlackElo "1708"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "180+2"] [ECO "D91"] [Opening "Grünfeld Defense: Three Knights Variation, Petrosian System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nf3 d5?! { (0.23 → 0.85) Inaccuracy. Bg7 was best. } (3... Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bg5 c5 7. Rc1 Nxc3 8. bxc3) 4. Nc3?! { (0.85 → 0.25) Inaccuracy. cxd5 was best. } (4. cxd5 Bg7 5. Qa4+ c6 6. dxc6 Nxc6 7. e3 O-O 8. Be2 Bd7) 4... Bg7 5. Bg5 { D91 Grünfeld Defense: Three Knights Variation, Petrosian System } dxc4 6. e3?! { (0.53 → -0.16) Inaccuracy. e4 was best. } (6. e4 c5 7. d5 h6 8. Bxf6 Bxf6 9. e5 Bg7 10. Bxc4 O-O) 6... h6?! { (-0.16 → 0.62) Inaccuracy. Be6 was best. } (6... Be6 7. e4 h6 8. Bf4 O-O 9. d5 Bg4 10. Bxc4 c6 11. O-O) 7. Bxf6 exf6 8. Bxc4 O-O 9. O-O Kh7 10. h4?! { (1.01 → 0.15) Inaccuracy. Qb3 was best. } (10. Qb3 Qd7) 10... Bg4 11. Bd3 Nd7 12. Qc2? { (-0.29 → -1.69) Mistake. Be2 was best. } (12. Be2 f5 13. Qc2 Nb6 14. g3 Qe7 15. Nh2 Bxe2 16. Qxe2 Rfe8 17. Nf3 c6 18. Qc2 Rad8) 12... f5? { (-1.69 → -0.32) Mistake. Bxf3 was best. } (12... Bxf3 13. gxf3 f5 14. Kg2 c5 15. Rh1 cxd4 16. exd4 Bxd4 17. Rad1 Qf6 18. Nd5 Qg7 19. h5) 13. Be2 Bxf3?! { (-0.52 → 0.13) Inaccuracy. c5 was best. } (13... c5) 14. Bxf3 Qxh4?! { (0.27 → 1.25) Inaccuracy. c5 was best. } (14... c5 15. h5 cxd4 16. exd4 Nf6 17. Rad1 Qd7 18. hxg6+ fxg6 19. Qb3 Ng4 20. Nd5 Rae8 21. Qb4) 15. g3 Qg5 16. Bxb7 Rae8?! { (1.01 → 1.65) Inaccuracy. Rab8 was best. } (16... Rab8 17. Bc6 Qe7 18. Nd5 Qd6 19. Nf4 Nf6 20. Rac1 h5 21. Bf3 Rfc8 22. b3 c6 23. Qc5) 17. Kg2?? { (1.65 → -0.34) Blunder. Bc6 was best. } (17. Bc6 Rd8 18. Rac1 Nf6 19. Kg2 Ng8 20. Qa4 Ne7 21. Bf3 c6 22. Ne2 Rc8 23. Rh1 Qf6) 17... Nf6?? { (-0.34 → 1.51) Blunder. c5 was best. } (17... c5 18. d5) 18. Bf3 Nh5 19. Rh1 Nf6 20. Nd5? { (1.86 → 0.27) Mistake. Rac1 was best. } (20. Rac1 c5 21. dxc5 f4 22. exf4 Qxc5 23. Qa4 Rb8 24. Ne4 Qb5 25. Qxb5 Rxb5 26. Nxf6+ Bxf6) 20... Nxd5 21. Bxd5 Rb8?! { (0.00 → 1.02) Inaccuracy. f4 was best. } (21... f4 22. Bc6 fxe3 23. Bxe8 Qd5+ 24. f3 Rxe8 25. Rac1 Qxa2 26. Qc4 Qxb2+ 27. Rc2 Qb7 28. Qxc7) 22. b3?? { (1.02 → -1.10) Blunder. Bb3 was best. } (22. Bb3 Qe7 23. Rhc1 Rfc8 24. Qc5 Qe4+ 25. Kg1 Bf8 26. Qc4 Qe7 27. Qd5 c5 28. Rxc5 Rxc5) 22... f4 23. Qc4 fxe3 24. fxe3 Qxe3? { (-1.91 → -0.73) Mistake. c5 was best. } (24... c5 25. dxc5) 25. Rae1 Qxd4 26. Bxf7 Qxc4 27. Bxc4 Rbd8 28. Re2 Rde8 29. Rd2 c5?! { (-0.82 → 0.00) Inaccuracy. h5 was best. } (29... h5 30. Rf1) 30. Rd7 a5 31. Rhd1 h5 32. Rc7 Kh6 33. Rxc5 Bc3 34. Rc7? { (0.00 → -1.39) Mistake. Rc6 was best. } (34. Rc6 Rf6 35. Rxf6 Bxf6 36. Rd6 Kg7 37. Rd5 Re5 38. Rxe5 Bxe5 39. Be2 Kf6 40. Kf2 Kg5) 34... Bb4? { (-1.39 → -0.14) Mistake. Be1 was best. } (34... Be1 35. Rdd7) 35. Rdd7 Re3 36. Rh7+ Kg5 37. Rcd7 Rff3 38. Rd5+ Kf6 39. Rf7+ Kxf7 40. Rf5+ Kg7 41. Rxf3 Rxf3 42. Kxf3 Kf6 43. Kf4 g5+ 44. Kf3 Be1 45. Ba6 h4 46. gxh4 Bxh4 47. Kg4 Be1 48. Be2 Bb4 49. Bf3 Be1 50. Be4 Bb4 51. Bf5 Be1 52. Bc8 Bb4 53. Kf3 Be1 54. Bg4 Bb4 55. Ke4 Bd2 56. Kd5 Bb4 57. Bh3 Bd2 58. Kc4 Ke5 59. Kd3 Bb4 60. Kc2 Kf4 61. Kb2 g4 62. Bxg4 Kxg4 63. a3?? { (-0.13 → -66.88) Blunder. Kc2 was best. } (63. Kc2 Kf3 64. Kd3 Kf2 65. Kc4 Ke3 66. Kb5 Kd3 67. a3 Bxa3 68. Kxa5 Kc3 69. b4 Bxb4+) 63... Kf4 64. axb4?! { (-66.87 → Mate in 22) Checkmate is now unavoidable. Kc2 was best. } (64. Kc2 Ke4 65. a4 Kd4 66. Kb1 Kc3 67. Kc1 Kxb3 68. Kb1 Bc3 69. Kc1 Kxa4 70. Kc2 Bf6) 64... axb4 65. Kc2 Ke4 66. Kd2 Kd4 67. Kc2 Ke3 68. Kb2 Kd3 69. Ka2 Kc3 70. Ka1 Kc2 71. Ka2 Kc3 72. Ka1 Kxb3 73. Kb1 Ka3 74. Ka1 Kb3 75. Kb1 Kc3?? { (Mate in 14 → 0.00) Lost forced checkmate sequence. Ka3 was best. } (75... Ka3 76. Kc2 b3+ 77. Kc1 Ka2 78. Kd2 b2 79. Ke3 b1=Q 80. Kf4 Kb3 81. Ke5 Kc4 82. Ke6) 76. Kc1?? { (0.00 → Mate in 9) Checkmate is now unavoidable. Ka2 was best. } (76. Ka2 b3+ 77. Ka1 Kd3 78. Kb2 Kd4 79. Kxb3 Ke5 80. Kc4 Kf5 81. Kc5 Ke4 82. Kd6 Ke3) 76... b3 77. Kb1 b2 78. Ka2 Kc2 79. Ka3 b1=Q 80. Ka4 Kc3 81. Ka5 Kc4 82. Ka6 Kc5 83. Ka7 Kc6 84. Ka8 Qb7# { Black wins by checkmate. } 0-1