[Event "15th COTS 2024 Intl. Tourn."] [Site "https://lichess.org/UQ8OSJUz"] [Date "2024.05.05"] [White "RonaldBerdera5"] [Black "Andpalchuk"] [Result "1/2-1/2"] [UTCDate "2024.05.05"] [UTCTime "12:41:53"] [WhiteElo "2259"] [BlackElo "2589"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-11"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D00"] [Opening "Queen's Pawn Game: Chigorin Variation, Alburt Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nc3 Bf5 { D00 Queen's Pawn Game: Chigorin Variation, Alburt Defense } 3. Nf3 e6 4. Bg5 Nf6 5. Ne5 h6 6. Bh4 c5?? { (-0.22 → 2.21) Blunder. Be7 was best. } (6... Be7 7. e3 O-O 8. Bd3 Bxd3 9. Qxd3 c5 10. O-O Qc7 11. f4) 7. e3?? { (2.21 → -0.15) Blunder. e4 was best. } (7. e4 dxe4) 7... Nc6 8. Nxc6 bxc6 9. Bd3 Bxd3 10. Qxd3 Be7 11. dxc5 Qa5 12. O-O O-O 13. e4 Rfe8 14. Kh1 Rab8 15. b3?! { (-0.64 → -1.66) Inaccuracy. Rab1 was best. } (15. Rab1 Qxc5 16. a3 a5 17. Bg3 Rb7 18. f3 Qb6 19. b4 axb4 20. axb4 Rc8 21. f4 dxe4) 15... Qxc5? { (-1.66 → -0.35) Mistake. Nxe4 was best. } (15... Nxe4 16. Bxe7 Qxc3 17. Qxc3 Nxc3 18. Bd6 Rb7 19. f4 f6 20. g4 Rd7 21. Kg2 Ne4 22. h4) 16. Rad1?! { (-0.35 → -0.96) Inaccuracy. e5 was best. } (16. e5 Nd7) 16... Rbd8?! { (-0.96 → -0.18) Inaccuracy. Qb4 was best. } (16... Qb4 17. Bxf6 Bxf6 18. Nb1 Red8 19. Qe2 Qa5 20. a3 Be7 21. f4 dxe4 22. Qxe4 Rxd1 23. Rxd1) 17. Na4?! { (-0.18 → -0.94) Inaccuracy. e5 was best. } (17. e5) 17... Qb4 18. Bxf6 Bxf6 19. exd5 cxd5 20. Qa6?! { (-1.52 → -2.44) Inaccuracy. c3 was best. } (20. c3 Qa5 21. c4 h5 22. Rc1 g6 23. h3 h4 24. Rc2 Kg7 25. Kg1 d4 26. f4 e5) 20... Rc8 21. c3 Bxc3 22. Qxa7 Bf6 23. Qe3 Red8 24. Rc1 e5 25. h3 Rxc1 26. Qxc1 d4 27. Rd1 e4 28. Qc5 Qb8 29. Nb6? { (-2.32 → -4.21) Mistake. Qf5 was best. } (29. Qf5 Re8 30. Nb2 Re6 31. Kg1 Be5 32. Nc4 g6 33. Qg4 d3 34. Nxe5 Qxe5 35. Qh4 g5) 29... Qf4 30. Kg1 Be5 31. g3 Qf3 32. Rf1 Bb8?? { (-4.04 → -0.51) Blunder. Re8 was best. } (32... Re8) 33. Qe7 Rf8 34. Nd7 Rc8 35. Nxb8 Rxb8 36. Qd6 Ra8 37. Qxd4 Rxa2 38. b4 Re2 39. Qd5 Kh7 40. b5 Rb2 41. Qc5 f5 42. b6 h5 43. h4 Rb3 44. Qc6 f4 45. Qd6 fxg3 46. Qxg3 Qxg3+ 47. fxg3 Rxg3+ 48. Kh2 Rb3 49. Rf4 Rxb6 50. Rxe4 Kg6 51. Kg3 Kf5 52. Rf4+ Ke5 53. Rf7 Rb3+ 54. Kg2 g6 55. Rf8 Rb4 56. Kh3 Rf4 57. Re8+ Kf5 58. Rf8+ Ke4 59. Re8+ Kf3 60. Re6 Rg4 61. Rf6+ Ke3 62. Re6+ Kf3 63. Rf6+ Ke3 64. Rf1 Rf4 65. Rg1 Rf3+ 66. Kg2 Rf2+ 67. Kg3 Rf3+ 68. Kh2 Rf2+ 69. Kh1 Rf4 70. Rxg6 Rxh4+ 71. Kg2 Rg4+ 72. Rxg4 hxg4 73. Kg3 Ke4 74. Kxg4 { The game is a draw. } 1/2-1/2