[Event "BẢNG NAM BKCHESS V VÒNG 1 Arena"] [Site "https://lichess.org/FnBbaS55"] [Date "2023.02.19"] [White "DetunRest"] [Black "chuvietanh20214983"] [Result "0-1"] [UTCDate "2023.02.19"] [UTCTime "14:31:48"] [WhiteElo "1073"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 { B90 Sicilian Defense: Najdorf Variation } 6. Bd3 e6 7. f4 Be7?! { (0.25 → 0.80) Inaccuracy. Nbd7 was best. } (7... Nbd7 8. a4 e5 9. Nf3 Be7 10. O-O Qc7 11. Kh1 Nc5 12. Bd2) 8. Nb3?! { (0.80 → 0.08) Inaccuracy. e5 was best. } (8. e5 Nd5 9. Nxd5 exd5 10. e6 Bxe6 11. Nxe6 fxe6 12. Qg4 Qd7) 8... O-O 9. g4 e5? { (-0.38 → 1.06) Mistake. b5 was best. } (9... b5 10. g5 Nfd7 11. h4 b4 12. Ne2 Bb7 13. Be3 a5 14. Ng3 Nc6 15. Qh5 a4 16. Nd2) 10. g5 Bg4? { (1.00 → 2.31) Mistake. Nfd7 was best. } (10... Nfd7 11. Rg1 exf4 12. Bxf4 Ne5 13. Be2 f6 14. gxf6 Bxf6 15. Qd5+ Kh8 16. O-O-O Nbc6 17. Be3) 11. Be2?! { (2.31 → 1.31) Inaccuracy. Qd2 was best. } (11. Qd2 Ne8 12. f5 Bh5 13. Qg2 Qd7 14. Nd2 Nc6 15. Nc4 Bd8 16. Nd5 Rb8 17. O-O f6) 11... Bxe2 12. Qxe2 Nfd7 13. Be3?? { (1.42 → -0.64) Blunder. h4 was best. } (13. h4 Nc6) 13... exf4 14. Bxf4 Ne5?? { (-0.52 → 1.31) Blunder. Bxg5 was best. } (14... Bxg5 15. Qe3) 15. O-O-O? { (1.31 → -0.15) Mistake. h4 was best. } (15. h4 Nbc6 16. Nd5 f6 17. Bxe5 Nxe5 18. g6 hxg6 19. Nd4 Qd7 20. h5 g5 21. Nb6 Qc7) 15... Bxg5 16. Bxg5 Qxg5+ 17. Kb1 Nbc6 18. Rxd6 b5 19. Rdd1 Rfd8 20. Nd5 a5?! { (0.32 → 1.16) Inaccuracy. Nc4 was best. } { Black offers draw } (20... Nc4 21. Nc1) 21. Qxb5 a4 22. Nc5 Rdb8?! { (1.03 → 1.76) Inaccuracy. Ra5 was best. } (22... Ra5 23. Qb6) 23. Qe2 a3 24. b3 Ng6 25. Rhg1 Qe5 26. c3 Nb4?? { (1.81 → 5.32) Blunder. Ra7 was best. } (26... Ra7) 27. Nd7?? { (5.32 → 2.46) Blunder. cxb4 was best. } (27. cxb4 Nf4 28. Qc2 Rd8 29. Nb6 Rxd1+ 30. Rxd1 Re8 31. Nc4 Qh5 32. Nxa3 f5 33. e5 Ne2) 27... Nf4?? { (2.46 → 6.51) Blunder. Nxd5 was best. } (27... Nxd5 28. Rxd5 Qxc3 29. Nxb8 Rxb8 30. Rc1 Qb4 31. Qc4 Qe7 32. e5 h5 33. Ra5 Rf8 34. Rd1) 28. Qg4?? { (6.51 → -4.67) Blunder. N5f6+ was best. } (28. N5f6+ Qxf6 29. Nxf6+ Kh8 30. Qc4 Ng6 31. Nd7 Rc8 32. Qxb4 Rg8 33. Qd4 Rac8 34. b4 Rc7) 28... Qxe4+ 29. Ka1 Nc2+ 30. Kb1 Ne3+ 31. Kc1?? { (-4.81 → Mate in 1) Checkmate is now unavoidable. Ka1 was best. } (31. Ka1 Nxg4 32. N5f6+ gxf6 33. Nxf6+ Kf8 34. Nxe4 Ne3 35. Rc1 Ne2 36. Ng5 Nxc1 37. Nxh7+ Ke7) 31... Qc2# { Black wins by checkmate. } 0-1