[Event "CHUYEN NGHIEP 5: OPEN NAM"] [Site "https://lichess.org/ygyh5lVL"] [Date "2021.09.05"] [White "TCH_DangHoangSon"] [Black "KTTL_NgManhDuc2011"] [Result "1-0"] [UTCDate "2021.09.05"] [UTCTime "07:58:40"] [WhiteElo "2852"] [BlackElo "2298"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "600+2"] [ECO "D13"] [Opening "Slav Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 { D13 Slav Defense: Exchange Variation } 5. Nc3 Nc6 6. Bf4 a6 7. e3 e6 8. Be2 Bd6 9. Bxd6 Qxd6 10. O-O O-O 11. Na4 Nd7 12. Rc1 b5 13. Nc5 Nxc5 14. Rxc5 Bd7 15. Bd3 Rfc8 16. Qd2 Be8?! { (0.15 → 0.95) Inaccuracy. e5 was best. } (16... e5) 17. Rfc1 Ne7 18. Rxc8 Rxc8?? { (0.69 → 2.84) Blunder. Nxc8 was best. } (18... Nxc8 19. Rc5 Qd8 20. Qc2 h6 21. g3 Nd6 22. h4 Rc8 23. b3 f6 24. Ne1 Rxc5 25. Qxc5) 19. Rxc8 Nxc8 20. Bxh7+ Kf8 21. Bd3 Nb6 22. b3 Qa3 23. h4 a5 24. Qc2 Qd6 25. Ne5 f6 26. Nf3? { (4.25 → 2.27) Mistake. Ng6+ was best. } (26. Ng6+ Bxg6) 26... b4 27. Be2 a4?? { (2.40 → 5.50) Blunder. Kg8 was best. } (27... Kg8 28. Ne1) 28. Qh7 axb3 29. axb3 Qc7 30. Qh8+ Kf7 31. Ne5+ fxe5 32. Bh5+ Kf6 33. Qxe8 Qc1+?! { (67.68 → Mate in 4) Checkmate is now unavoidable. g6 was best. } (33... g6 34. Qf8+) 34. Kh2 exd4 35. Qf7+ Ke5 36. Qf4# { White wins by checkmate. } 1-0