[Event "AJEFECH Nac Online 2021 F4 Arena"] [Site "https://lichess.org/elWp59O2"] [Date "2021.08.27"] [White "mashin15"] [Black "gmroedor"] [Result "0-1"] [UTCDate "2021.08.27"] [UTCTime "02:27:33"] [WhiteElo "2642"] [BlackElo "2403"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+9"] [WhiteTitle "IM"] [BlackTitle "CM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 { D85 Grünfeld Defense: Exchange Variation } 5. e4 Nxc3 6. bxc3 c5 7. Be3 Bg7 8. Rc1 O-O 9. Qd2 Nc6 10. Nf3 Bg4?! { (0.56 → 1.26) Inaccuracy. cxd4 was best. } (10... cxd4 11. cxd4 Qa5 12. d5 Qxd2+ 13. Bxd2 Ne5 14. Nxe5 Bxe5 15. f4 Bd4 16. Bc4 Bd7 17. Ke2) 11. d5 Bxf3 12. gxf3 Ne5 13. Be2 Qa5?! { (1.43 → 2.20) Inaccuracy. b5 was best. } (13... b5 14. f4) 14. f4 Nd7 15. e5 e6?? { (1.80 → 4.59) Blunder. Rad8 was best. } (15... Rad8) 16. dxe6 Nb6 17. exf7+ Rxf7 18. c4?? { (4.70 → 0.92) Blunder. h4 was best. } (18. h4) 18... Qxd2+ 19. Kxd2 Rd8+ 20. Kc2 Bf8?? { (0.87 → 4.64) Blunder. Bh6 was best. } (20... Bh6 21. e6 Rf6 22. Rhd1 Re8 23. Rb1 Rfxe6 24. Bf3 Nxc4 25. Bc1 Nb6 26. a4 a5 27. Rb5) 21. Rcd1 Rc8 22. Bf3 Bh6 23. Bg4?! { (4.82 → 3.24) Inaccuracy. Rhe1 was best. } (23. Rhe1 Bxf4 24. e6 Rf5 25. Bg4 Bxe3 26. Bxf5 Bxf2 27. e7 Re8 28. Rf1 Rxe7 29. Rxf2 gxf5) 23... Re8 24. e6 Rf6 25. Rd7?? { (3.67 → 1.44) Blunder. Kb3 was best. } (25. Kb3 Bxf4) 25... Nxc4? { (1.44 → 2.95) Mistake. Nxd7 was best. } (25... Nxd7 26. exd7 Rd8 27. Bxc5 Kf7 28. Re1 Bf8 29. Bxa7 Rc6 30. Kb3 b6 31. a4 Bc5 32. a5) 26. Rxb7? { (2.95 → 1.36) Mistake. Rhd1 was best. } (26. Rhd1) 26... Bxf4 27. Bxf4? { (1.22 → -0.27) Mistake. Bxc5 was best. } (27. Bxc5 Nd6) 27... Rxf4 28. f3 h5 29. Bh3 Rxf3 30. Rg1 Rxh3 31. Rxg6+ Kh8 32. Rh6+ Kg8 33. Rg6+ Kh8 34. Rxa7?! { (0.00 → -1.03) Inaccuracy. Rh6+ was best. } (34. Rh6+ Kg8) 34... Rxh2+ 35. Kc3 Ne5 36. Rg5?? { (-0.73 → -4.47) Blunder. Rh6+ was best. } (36. Rh6+ Kg8 37. Rah7 Ng6 38. Rxh5 Rxa2 39. Rc7 Rxe6 40. Kb3 Rg2 41. Rhxc5 Ne7 42. Rc2 Rg3+) 36... Nf3?? { (-4.47 → 0.00) Blunder. Rh3+ was best. } (36... Rh3+) 37. Rg6?! { (0.00 → -0.75) Inaccuracy. Rgg7 was best. } (37. Rgg7 Rxe6 38. Rh7+ Kg8 39. Rag7+ Kf8 40. Rf7+ Ke8 41. Rxf3 Re7 42. Rh8+ Kd7 43. a4 Rh4) 37... Ne5 38. Rg5?? { (-0.78 → -4.48) Blunder. Rh6+ was best. } (38. Rh6+ Kg8 39. Rah7 Ng6 40. Rxh5 Rxa2 41. Rc7 Rxe6 42. Rhxc5 Ne7 43. Kb3 Rf2 44. Rc2 Rf5) 38... Nf3?? { (-4.48 → 0.00) Blunder. Rh3+ was best. } (38... Rh3+ 39. Kc2) 39. Rxc5? { (0.00 → -1.68) Mistake. Rgg7 was best. } (39. Rgg7 Rxe6 40. Rh7+ Kg8 41. Rhg7+) 39... Rh3 40. Rcc7? { (-1.64 → -3.20) Mistake. Kc4 was best. } (40. Kc4 Kg8) 40... Ng5+ 41. Kc4 Nxe6 42. Rh7+ Kg8 43. Rh6 Rc8+ 44. Kd5?! { (-2.85 → -4.23) Inaccuracy. Kb5 was best. } (44. Kb5) 44... Nf4+ 45. Ke4 Rc4+ 46. Kf5 Nd5?! { (-4.17 → -2.92) Inaccuracy. Rd3 was best. } (46... Rd3 47. Ra5 Kg7 48. Rb6 Rd7 49. Kg5 Rf7 50. Rab5 Rc2 51. Kh4 Rh2+ 52. Kg3 Rg2+ 53. Kf3) 47. Rd6 Ne7+?? { (-3.08 → 0.00) Blunder. Ne3+ was best. } (47... Ne3+ 48. Ke5 Ng4+ 49. Kf5 Rf3+ 50. Kg5 Rc5+ 51. Kh4 Rf7 52. Rda6 Kg7 53. a4 Rxa7 54. Rxa7+) 48. Rxe7 Rf3+ 49. Kg5 Rg4+ 50. Kxh5 Rg7 51. Rd8+ Kh7 52. Rdd7?? { (0.00 → Mate in 1) Checkmate is now unavoidable. Rxg7+ was best. } (52. Rxg7+ Kxg7 53. Ra8 Kf7 54. a4 Ke7 55. a5 Kd7 56. a6 Kc6 57. a7 Kb7 58. Rb8+ Kxa7) 52... Rh3# { Black wins by checkmate. } 0-1