[Event "Sunday Chess Online v40 - 9.6"] [Site "https://lichess.org/M2LFjjBZ"] [Date "2024.06.09"] [White "ICTU_HaVietAnh2007"] [Black "HCMThanhLong2k8"] [Result "1-0"] [UTCDate "2024.06.09"] [UTCTime "08:57:04"] [WhiteElo "2105"] [BlackElo "2321"] [WhiteRatingDiff "+44"] [BlackRatingDiff "-43"] [Variant "Standard"] [TimeControl "300+0"] [ECO "D38"] [Opening "Queen's Gambit Declined: Ragozin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 { D38 Queen's Gambit Declined: Ragozin Defense } 5. cxd5 exd5 6. Qb3 Bxc3+ 7. Qxc3 Ne4 8. Qc2?! { (0.17 → -0.42) Inaccuracy. Qa3 was best. } (8. Qa3 Nc6 9. Bf4 Ne7 10. h4 Ng6 11. Bg5 f6 12. h5 fxg5 13. hxg6 h5) 8... c5?! { (-0.42 → 0.24) Inaccuracy. Bf5 was best. } (8... Bf5 9. Qb3 O-O 10. Qxb7 Qd6 11. g3 Nc6 12. Bf4 Qb4+ 13. Qxb4 Nxb4 14. Rc1) 9. e3 Nc6 10. Bd3?! { (0.21 → -0.76) Inaccuracy. dxc5 was best. } (10. dxc5 O-O) 10... Nb4 11. Qa4+ Bd7 12. Bb5 Nc6? { (-1.00 → 0.32) Mistake. Nd3+ was best. } (12... Nd3+ 13. Ke2) 13. O-O?! { (0.32 → -0.29) Inaccuracy. dxc5 was best. } (13. dxc5 Nxc5 14. Qa3 Qb6 15. Bxc6 bxc6 16. O-O a5 17. Bd2 O-O 18. Ne5 Rfd8) 13... O-O?! { (-0.29 → 0.38) Inaccuracy. c4 was best. } (13... c4 14. Qa3) 14. Rd1?? { (0.38 → -1.40) Blunder. dxc5 was best. } (14. dxc5 Re8 15. Bxc6 bxc6 16. Qd4 Re6 17. b4 Rg6 18. Ne1 Qh4 19. f3 Rh6) 14... a6?! { (-1.40 → -0.42) Inaccuracy. Bg4 was best. } (14... Bg4 15. Be2 c4 16. Bd2 a5 17. Bc3 Ra6 18. Rdc1 f5 19. Re1 f4 20. exf4) 15. Bxc6 Bxc6 16. Qb3?! { (-0.42 → -1.46) Inaccuracy. Qc2 was best. } (16. Qc2) 16... c4 17. Qc2 Re8?! { (-1.43 → -0.81) Inaccuracy. Bd7 was best. } (17... Bd7 18. Nd2 Bf5 19. Nxe4 Bxe4 20. Qe2 Bd3 21. Qe1 Rc8 22. f3 Re8 23. Bd2) 18. Bd2?! { (-0.81 → -1.51) Inaccuracy. Ne5 was best. } (18. Ne5 Bd7) 18... Qd6?! { (-1.51 → -0.45) Inaccuracy. Bd7 was best. } (18... Bd7 19. Rdc1) 19. Be1 Re6 20. b3 b5 21. Ne5 f6 22. Nxc6 Qxc6 23. a4 bxa4? { (-0.25 → 1.30) Mistake. h6 was best. } (23... h6) 24. bxc4 Rc8? { (1.32 → 2.72) Mistake. Qxc4 was best. } (24... Qxc4 25. Qxc4 dxc4 26. Rdc1 Rc6 27. Rxa4 Nd6 28. f3 c3 29. Rxc3 Rxc3 30. Bxc3) 25. c5 f5 26. Qxa4 Qc7 27. Ba5?! { (3.22 → 2.42) Inaccuracy. Qb3 was best. } (27. Qb3 Nf6 28. f3 Qe7 29. Bf2 g5 30. Qd3 Rf8 31. Bg3 f4 32. exf4 Re3) 27... Qe7 28. Qb3 Qd7 29. Rdb1 Rg6 30. Qb7 Qe6 31. Rb6 Rc6 32. Qa8+ Qc8?! { (5.09 → 7.18) Inaccuracy. Rc8 was best. } (32... Rc8 33. Rb8 Rxb8 34. Qxb8+ Kf7 35. Rb1 Rf6 36. Rb6 Qe8 37. Rb7+ Kf8 38. c6) 33. Rb8 Qxb8 34. Qxb8+ Kf7 35. Rb1 Rge6 36. Rb7+ Kg6? { (7.33 → Mate in 8) Checkmate is now unavoidable. Re7 was best. } (36... Re7 37. Rxe7+ Kxe7 38. Qb7+ Kf8 39. Qxc6 f4 40. Qa8+ Ke7 41. Qd8+ Ke6 42. exf4) 37. Rb6?? { (Mate in 8 → 5.83) Lost forced checkmate sequence. Qf8 was best. } (37. Qf8 Rf6 38. Qxg7+ Kh5 39. Qxh7+ Rh6 40. Qxf5+ Ng5 41. f4 Rcg6 42. Bd8 Rg7) 37... f4?! { (5.83 → 9.48) Inaccuracy. Kh6 was best. } (37... Kh6 38. Rxc6 Rxc6 39. Qb7 Rf6 40. Qxd5 g6 41. h4 g5 42. hxg5+ Nxg5 43. c6) 38. Rxc6 Rxc6 39. Qe8+ Kg5 40. Qxc6 fxe3 41. fxe3 Nf6 42. Qxa6 Kf5? { (8.90 → Mate in 8) Checkmate is now unavoidable. Ne8 was best. } (42... Ne8 43. Bd8+ Kf5 44. g4+ Kxg4 45. Qe6+ Kf3 46. Qxe8 g6 47. c6 g5 48. Qf7+) 43. Qd3+ Ne4 44. c6 Ke6 45. c7 Kd7 46. Qa3 Ke6 47. c8=Q+ Kf6 48. Qaf8+ Kg5 49. h4+ Kxh4 50. Qh3+ Kg5 51. Qf4+ Kg6 52. Qhf5# { White wins by checkmate. } 1-0