[Event "GM Konstantin Sakaev School 1 Arena"] [Site "https://lichess.org/jOgNr2i7"] [Date "2021.09.04"] [White "Tumbalalayka"] [Black "Chorusferam2"] [Result "0-1"] [UTCDate "2021.09.04"] [UTCTime "15:33:59"] [WhiteElo "2486"] [BlackElo "2279"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+35"] [Variant "Standard"] [TimeControl "420+3"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation, Modern Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Rb1 c5 8. Nf3 { D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation } Qa5?! { (0.47 → 1.16) Inaccuracy. O-O was best. } (8... O-O 9. Be2) 9. Bd2?! { (1.16 → 0.34) Inaccuracy. Rb5 was best. } (9. Rb5 Qxa2 10. Rxc5 Nd7 11. Rb5 O-O 12. h4 Nb6 13. Rb3 Bg4 14. h5 e5 15. d5 Qa4) 9... Qxa2 10. Be2 O-O 11. O-O cxd4 12. cxd4 Qe6 13. Bd3 b6 14. d5 Qd7 15. Bb5 Qd8 16. Bb4 Ba6?! { (-0.48 → 0.11) Inaccuracy. a6 was best. } (16... a6 17. Be2 Bg4 18. Qd2 Bxf3 19. Bxf3 Nd7 20. Bg4 Ne5 21. Be2 b5 22. f4 Nc4 23. Bxc4) 17. Bxa6 Nxa6 18. Ba3 Qd7 19. Qe2 Nc5 20. Bxc5?! { (-0.95 → -2.05) Inaccuracy. h4 was best. } (20. h4) 20... bxc5 21. Rfc1 Rfc8 22. Qc4? { (-1.44 → -3.25) Mistake. Nd2 was best. } (22. Nd2) 22... e6?! { (-3.25 → -1.90) Inaccuracy. a5 was best. } (22... a5 23. e5) 23. Rd1 exd5 24. Rxd5 Qe7 25. Rbd1? { (-1.60 → -3.31) Mistake. e5 was best. } (25. e5 a5) 25... Rc7?! { (-3.31 → -2.05) Inaccuracy. a5 was best. } (25... a5) 26. h4 h6? { (-1.91 → -0.55) Mistake. a5 was best. } (26... a5 27. e5 a4 28. e6 Qxe6 29. Rd8+ Rxd8 30. Rxd8+ Bf8 31. Qxa4 Rc8 32. Rxc8 Qxc8 33. Qc4) 27. h5 g5 28. Rf5?? { (-0.51 → -3.31) Blunder. e5 was best. } (28. e5 a5 29. Rd6 a4 30. e6 fxe6 31. Rxe6 Qf7 32. Ne5 Bxe5 33. Qd5 Rf8 34. Qxe5 Qxf2+) 28... Qe6? { (-3.31 → -1.39) Mistake. a5 was best. } (28... a5 29. Rd3) 29. Rfd5 a5 30. e5? { (-1.00 → -2.22) Mistake. Rd8+ was best. } (30. Rd8+ Rxd8) 30... Rcc8? { (-2.22 → -0.56) Mistake. Rd7 was best. } (30... Rd7) 31. Qe4 f5?? { (-0.65 → 1.42) Blunder. Rab8 was best. } (31... Rab8) 32. Qc4? { (1.42 → 0.23) Mistake. Qc2 was best. } (32. Qc2 a4 33. Rd7 Rc6 34. Rd8+ Rxd8 35. Rxd8+ Bf8 36. Qxa4 Rc8 37. Rxc8 Qxc8 38. Qc4+ Kg7) 32... Kh7?? { (0.23 → 3.20) Blunder. Bf8 was best. } (32... Bf8) 33. Qc2 a4? { (3.01 → 5.92) Mistake. Kh8 was best. } (33... Kh8 34. Rd6) 34. Rd6 Qf7?! { (5.45 → 7.56) Inaccuracy. Qe8 was best. } (34... Qe8 35. Qxf5+) 35. Rd7 Qf8 36. e6? { (9.23 → 4.56) Mistake. g4 was best. } (36. g4) 36... Qf6 37. R1d5?? { (5.54 → 2.28) Blunder. Rf7 was best. } (37. Rf7 Qxe6 38. Rdd7 Rg8 39. Rde7 Qd5 40. Ne5 Qe4 41. Qxc5 Rae8 42. Rxg7+ Rxg7 43. Rxe8 g4) 37... Rf8?? { (2.28 → 6.34) Blunder. Kh8 was best. } (37... Kh8 38. e7) 38. e7 Rf7 39. Ne5?? { (6.47 → 0.00) Blunder. Rd8 was best. } (39. Rd8 Rxe7 40. Rxa8 g4 41. Rxf5 Qc3 42. Qxc3 Bxc3 43. Nh4 g3 44. fxg3 Rc7 45. Ng6 Bg7) 39... Rxe7 40. Rxe7 Qxe7 41. Qxf5+ Kg8 { Black offers draw } 42. Ng6 Qf6 43. Qb1?? { (0.52 → -5.48) Blunder. Qe4 was best. } (43. Qe4 a3) 43... a3? { (-5.48 → -3.01) Mistake. Qa1 was best. } (43... Qa1) 44. Qa2?? { (-3.01 → -6.68) Blunder. Qb7 was best. } (44. Qb7 Re8) 44... Qa1+ 45. Qxa1 Bxa1 46. Rd1 Bb2 47. Ne7+ Kf7 48. Nf5 a2 49. Nd6+ Ke6 50. Ne4 a1=Q 51. Nxc5+ Kf5 52. Rxa1 Rxa1+ 53. Kh2 Be5+ 54. g3 Ra2 55. Kg2 Bd4 56. Nd3 Rd2 57. g4+ Ke4 58. Nb4 Bxf2 59. Nc6 Bd4+ 60. Kf1 Rd3 61. Ne7 Be3 62. Nf5 Kf3 63. Nxe3 Rxe3 64. Kg1 Re1+ 65. Kh2 Rd1 66. Kh3 Rh1# { Black wins by checkmate. } 0-1