[Event "Giải đấu tập ngày 31"] [Site "https://lichess.org/KoeIOgmc"] [Date "2021.12.31"] [White "Vuthanhcong250802"] [Black "diemhuong"] [Result "0-1"] [UTCDate "2021.12.31"] [UTCTime "03:28:33"] [WhiteElo "800"] [BlackElo "829"] [WhiteRatingDiff "-194"] [BlackRatingDiff "+36"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A00"] [Opening "Grob Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. g4? { (0.15 → -1.46) Mistake. e4 was best. } { A00 Grob Opening } (1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6) 1... a5? { (-1.46 → -0.25) Mistake. d5 was best. } (1... d5 2. Bg2 Bxg4 3. c4 c6 4. Qb3 e6 5. Qxb7 Nd7 6. Nc3) 2. Bg2 g6?! { (-0.76 → 0.13) Inaccuracy. d5 was best. } (2... d5 3. g5 d4 4. c3 e5 5. Nf3 a4 6. d3 Nc6 7. Nbd2) 3. c4 f6?! { (0.19 → 0.92) Inaccuracy. Bg7 was best. } (3... Bg7 4. d4 d6 5. h3 h5 6. g5 e6 7. Nc3 Ne7 8. Nf3 O-O 9. e4 Nbc6 10. d5) 4. b3?! { (0.92 → 0.08) Inaccuracy. d4 was best. } (4. d4 d6) 4... e5 5. Bb2 Ne7?! { (-0.10 → 0.51) Inaccuracy. Nc6 was best. } (5... Nc6 6. e3) 6. Nf3? { (0.51 → -0.64) Mistake. d4 was best. } (6. d4 d6) 6... c6? { (-0.64 → 0.87) Mistake. d5 was best. } (6... d5 7. g5) 7. g5 fxg5?! { (0.75 → 1.86) Inaccuracy. Bg7 was best. } (7... Bg7 8. gxf6) 8. Nxe5 d6? { (1.94 → 3.91) Mistake. Rg8 was best. } (8... Rg8) 9. Ng4?! { (3.91 → 2.50) Inaccuracy. Nxc6 was best. } (9. Nxc6) 9... Rg8 10. a4?? { (3.10 → -5.23) Blunder. Nf6+ was best. } (10. Nf6+ Kf7) 10... Bg7?? { (-5.23 → 1.16) Blunder. Bxg4 was best. } (10... Bxg4 11. d4) 11. Bxg7? { (1.16 → -0.19) Mistake. Nf6+ was best. } (11. Nf6+ Kf7) 11... Rxg7 12. Ra3?? { (0.00 → -6.03) Blunder. e4 was best. } (12. e4 c5 13. O-O Nec6 14. Nc3 Ne5 15. Ne3 Nbc6 16. f4 gxf4 17. Rxf4 Nd3 18. Rf1 Nce5) 12... Bxg4 13. h3 Bf5 14. Nc3 Na6 15. e4 h5? { (-5.91 → -3.55) Mistake. Bd7 was best. } (15... Bd7 16. d4) 16. exf5 gxf5 17. Qxh5+ Kd7 18. d4?! { (-4.03 → -5.57) Inaccuracy. h4 was best. } (18. h4 gxh4) 18... Nb4 19. d5 cxd5?? { (-6.53 → -2.48) Blunder. Nc2+ was best. } (19... Nc2+ 20. Kd2) 20. cxd5?? { (-2.48 → -8.00) Blunder. Kf1 was best. } (20. Kf1 Qh8) 20... Nbxd5?? { (-8.00 → 3.24) Blunder. Nc2+ was best. } (20... Nc2+) 21. Nxd5 Nxd5 22. Bxd5 Qf6 23. Bxb7?? { (3.72 → 1.50) Blunder. O-O was best. } (23. O-O g4) 23... Ra6?? { (1.50 → 8.82) Blunder. Ra7 was best. } (23... Ra7 24. Qf3 Kd8 25. Bc6 g4 26. hxg4 Qb2 27. b4 Qc1+ 28. Ke2 Qc2+ 29. Kf1 Qc1+ 30. Kg2) 24. Bxa6 Qc3+ 25. Ke2 Re7+ 26. Kd1 Qd3+ 27. Kc1 Qc3+ 28. Kd1 f4 29. Re1?? { (9.63 → Mate in 1) Checkmate is now unavoidable. Rf1 was best. } (29. Rf1 Kc7) 29... Rxe1# { Black wins by checkmate. } 0-1