[Event "KHỐI 5 Cấp Thành phố 2023"] [Site "https://lichess.org/ZUVPUtzM"] [Date "2023.05.24"] [White "hiep5akimphu"] [Black "nguyenmanhhung_5aHM"] [Result "0-1"] [UTCDate "2023.05.24"] [UTCTime "08:17:51"] [WhiteElo "1500"] [BlackElo "1500"] [WhiteRatingDiff "-242"] [BlackRatingDiff "+245"] [Variant "Standard"] [TimeControl "600+2"] [ECO "C47"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C47 Four Knights Game } 4. h4?! { (0.10 → -0.79) Inaccuracy. d4 was best. } (4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O) 4... b6?! { (-0.79 → 0.19) Inaccuracy. h6 was best. } (4... h6 5. Bb5 Bd6 6. d3 O-O 7. Be3 a6 8. Ba4 b5 9. Bb3) 5. g3 Bc5 6. d4? { (0.00 → -1.22) Mistake. Bg2 was best. } (6. Bg2 d6 7. Nd5 a5 8. c3 Bg4 9. O-O O-O 10. Qa4 Bd7 11. Qd1) 6... exd4 7. Nxd4?? { (-1.01 → -4.75) Blunder. Nd5 was best. } (7. Nd5) 7... Nxd4?! { (-4.75 → -3.10) Inaccuracy. Bxd4 was best. } (7... Bxd4 8. Nd5 Nxe4 9. Bc4 O-O 10. O-O Bb7 11. Bf4 d6 12. c3 Be5 13. Qc2 Bxf4 14. Rae1) 8. a3?! { (-3.10 → -4.84) Inaccuracy. b4 was best. } (8. b4 d5) 8... Bb7?! { (-4.84 → -3.55) Inaccuracy. d5 was best. } (8... d5 9. Bg5 dxe4 10. Nxe4 Qd5 11. Bg2 Nxe4 12. c3 Nxc3 13. Bxd5 Nxd1 14. Rxd1 c6 15. Bg2) 9. b4? { (-3.55 → -5.69) Mistake. Bg2 was best. } (9. Bg2 Ne6 10. O-O d6 11. Nd5 c6 12. Nxf6+ Qxf6 13. c3 O-O 14. b4 Ba6 15. Bd2 Bxf1) 9... Be7?? { (-5.69 → -1.18) Blunder. Nxe4 was best. } (9... Nxe4 10. Nxe4 Bxe4 11. bxc5 Qf6 12. Bb2 Nf3+ 13. Qxf3 Qxf3 14. Rh3 O-O 15. g4 Qf4 16. Bd3) 10. Nb5?? { (-1.18 → -5.60) Blunder. Qxd4 was best. } (10. Qxd4) 10... Nxb5 11. Bxb5 a6 12. Be2 O-O 13. f3 Rc8 14. Bd3 d6 15. f4 Ne8 16. e5 dxe5 17. fxe5 a5 18. b5 c6?! { (-6.40 → -4.69) Inaccuracy. Qd5 was best. } (18... Qd5 19. Bxh7+ Kxh7 20. Qxd5 Bxd5 21. Rf1 Be6 22. Bg5 f6 23. exf6 gxf6 24. Be3 Rd8 25. Rd1) 19. bxc6 Bxc6 20. O-O?! { (-4.65 → -6.30) Inaccuracy. Rf1 was best. } (20. Rf1 Qd7 21. Qe2 Qh3 22. Qf2 Rd8 23. Be3 Qe6 24. Qf5 Qxf5 25. Rxf5 Rb8 26. Rf4 Nc7) 20... Bc5+ 21. Rf2?! { (-5.19 → -7.08) Inaccuracy. Kh2 was best. } (21. Kh2 Qd5 22. Qe2 Bd4 23. Rb1 Qxe5 24. Qxe5 Bxe5 25. Rxb6 Nf6 26. Bf4 Bxf4 27. gxf4 Rfe8) 21... Bxf2+ 22. Kxf2 f6 23. exf6 Rxf6+ 24. Kg1?? { (-6.77 → Mate in 7) Checkmate is now unavoidable. Bf4 was best. } (24. Bf4 Rxf4+ 25. gxf4 Qxh4+ 26. Ke3 Qg3+ 27. Kd4 Qxf4+ 28. Kc3 Bf3+ 29. Kb3 Bxd1 30. Rxd1 h5) 24... Qd4+ 25. Kh2 Qxa1? { (Mate in 5 → -8.71) Lost forced checkmate sequence. Rf2+ was best. } (25... Rf2+ 26. Kh3 Bg2+ 27. Kh2 Bf3+ 28. Kg1 Rd2+ 29. Kf1 Rxd1#) 26. Ba6 Rd8 27. Bc4+?! { (-11.71 → Mate in 14) Checkmate is now unavoidable. Qe1 was best. } (27. Qe1 b5 28. Kh3 Qd4 29. Bf4 Qd5 30. Qf1 Qf5+ 31. g4 Qxf4 32. Qxf4 Rxf4 33. Kh2 Rxg4) 27... Kh8 28. Be2?! { (-34.24 → Mate in 5) Checkmate is now unavoidable. Qe1 was best. } (28. Qe1 Qd4) 28... Rxd1 29. Bxd1 Qxc1 30. Bh5 Nd6 31. Kh3 Bd7+ 32. Kg2 Qxc2+ 33. Kg1 Qf2+ 34. Kh1 Bc6+ 35. Bf3 Bxf3# { Black wins by checkmate. } 0-1