[Event "Giải đấu tập 15.5 Arena"] [Site "https://lichess.org/Ebn9pJkc"] [Date "2026.05.15"] [Round "-"] [White "havandang040317"] [Black "quangtruong2906"] [Result "1-0"] [GameId "Ebn9pJkc"] [UTCDate "2026.05.15"] [UTCTime "14:21:42"] [WhiteElo "811"] [BlackElo "1161"] [WhiteRatingDiff "+56"] [BlackRatingDiff "-62"] [Variant "Standard"] [TimeControl "600+2"] [ECO "A03"] [Opening "Bird Opening: Dutch Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { [%eval -0.23] } 1... d5 { [%eval -0.17] } { A03 Bird Opening: Dutch Variation } 2. Nf3 { [%eval -0.24] } 2... Bf5 { [%eval -0.13] } 3. g4?? { (-0.13 → -1.86) Blunder. d3 was best. } { White offers draw } { [%eval -1.86] } (3. d3 e6 4. Nc3 Nc6 5. e3 h5 6. h3 Bg6 7. g3 Nh6) 3... Bxg4 { [%eval -1.49] } 4. h3? { (-1.49 → -3.13) Mistake. Ne5 was best. } { [%eval -3.13] } (4. Ne5 Bh5 5. c4 f6 6. Nd3 dxc4 7. Qa4+ Qd7 8. Qxc4 Bf7) 4... e5?? { (-3.13 → 2.55) Blunder. Bxf3 was best. } { [%eval 2.55] } (4... Bxf3 5. exf3 e6 6. h4 Be7 7. h5 c5 8. d4 Bh4+ 9. Ke2 cxd4 10. Qxd4) 5. hxg4 { [%eval 2.66] } 5... exf4 { [%eval 3.19] } 6. Ng5?? { (3.19 → -2.98) Blunder. d4 was best. } { [%eval -2.98] } (6. d4 Bb4+ 7. Nc3 g5 8. Qd3 Nc6 9. Bd2 Bxc3 10. bxc3 Qe7 11. Rb1 h6) 6... Qxg5 { [%eval -2.98] } 7. Bg2 { [%eval -3.37] } 7... Qxg4 { [%eval -3.16] } 8. Bxd5 { [%eval -3.27] } 8... Qg2?? { (-3.27 → 6.03) Blunder. Nc6 was best. } { [%eval 6.03] } (8... Nc6 9. d3 O-O-O 10. Bf3 Qg3+ 11. Kd2 Ne5 12. Qf1 Nf6 13. Kd1 Nxf3 14. exf3) 9. Bxg2 { [%eval 6.05] } 9... Bc5 { [%eval 7.02] } 10. Bxb7 { [%eval 6.92] } 10... Nc6 { [%eval 8.29] } 11. Bxc6+ { [%eval 8.38] } 11... Kd8 { [%eval 8.78] } 12. Bxa8 { [%eval 8.8] } 12... f6 { [%eval 9.39] } 13. d4 { [%eval 9.46] } 13... Nh6 { [%eval 10.89] } 14. dxc5+ { [%eval 10.81] } 14... Ke7 { [%eval 10.84] } 15. Bxf4 { [%eval 10.71] } 15... Rxa8 { [%eval 11.55] } 16. Bxc7 { [%eval 11.45] } 16... Rc8?! { (11.45 → Mate in 9) Checkmate is now unavoidable. Re8 was best. } { [%eval #9] } (16... Re8 17. Bd6+ Kd8 18. Qd5 Re3 19. Bf4+ Kc8 20. Qc6+ Kd8 21. Qc7+ Ke8 22. Bxe3) 17. Bd6+?! { (Mate in 9 → 12.05) Lost forced checkmate sequence. Qd6+ was best. } { [%eval 12.05] } (17. Qd6+ Kf7 18. Qd7+ Kf8 19. Bd6+ Kg8 20. Qxc8+ Kf7 21. Qd7+ Kg6 22. Rg1+ Ng4) 17... Kf7?! { (12.05 → Mate in 3) Checkmate is now unavoidable. Kd8 was best. } { [%eval #3] } (17... Kd8 18. Qd5 Nf5 19. Qxf5 Rc6 20. Nc3 Ra6 21. Qd5 Kc8 22. Qg8+ Kd7 23. Qxg7+) 18. c6?! { (Mate in 3 → 11.43) Lost forced checkmate sequence. Qd5+ was best. } { [%eval 11.43] } (18. Qd5+ Ke8 19. Qe6+ Kd8 20. Qe7#) 18... Rxc6?! { (11.43 → Mate in 6) Checkmate is now unavoidable. g6 was best. } { [%eval #6] } (18... g6 19. Qd5+ Kg7 20. Rxh6 Rh8 21. c7 a6 22. Rh1 Rc8 23. Nc3 h5 24. Rf1) 19. Bb4?! { (Mate in 6 → 11.52) Lost forced checkmate sequence. Qd5+ was best. } { [%eval 11.52] } (19. Qd5+ Ke8 20. Qxc6+ Kf7 21. Qd5+ Ke8 22. Qe6+ Kd8 23. Qe7+ Kc8 24. Qc7#) 19... Rb6?! { (11.52 → Mate in 5) Checkmate is now unavoidable. Ke8 was best. } { [%eval #5] } (19... Ke8 20. Qd5 Rc7 21. Qa8+ Kf7 22. Qf8+ Kg6 23. Qe8+ Rf7 24. Rg1+ Ng4 25. Rxg4+) 20. Bc5?! { (Mate in 5 → 11.17) Lost forced checkmate sequence. Qd7+ was best. } { [%eval 11.17] } (20. Qd7+ Kg6 21. Rg1+ Ng4 22. Qxg4+ Kf7 23. Qd7+ Kg8 24. Qxg7#) 20... Rxb2?! { (11.17 → Mate in 5) Checkmate is now unavoidable. Ke8 was best. } { [%eval #5] } (20... Ke8 21. Qd5 Nf7 22. Bxb6 axb6 23. Rxh7 Ng5 24. Qg8+ Kd7 25. Rxg7+ Kd6 26. Qf8+) 21. Nc3 { [%eval #6] } 21... Rb7 { [%eval #4] } 22. Qd5+ { [%eval #3] } 22... Kg6 { [%eval #1] } 23. Qxb7 { [%eval #5] } 23... Ng4 { [%eval #5] } 24. Qg2 { [%eval #7] } 24... Kg5 { [%eval #5] } 25. Rg1 { [%eval #6] } 25... Kf4 { [%eval #2] } 26. Qxg4+ { [%eval #1] } 26... Ke5 { [%eval #1] } 27. Bxa7 { [%eval #4] } 27... Kd6 { [%eval #4] } 28. Nb5+ { [%eval #3] } 28... Kc6 { [%eval #3] } 29. Nd4+ { [%eval #3] } 29... Kb7 { [%eval #3] } 30. Bc5 { [%eval #3] } 30... Ka8 { [%eval #1] } 31. Ne6 { [%eval #3] } 31... g5 { [%eval #2] } 32. Ng7 { [%eval #3] } 32... h6 { [%eval #1] } 33. Nf5 { [%eval #4] } 33... Kb8 { [%eval #3] } 34. Nxh6 { [%eval #4] } 34... Ka8 { [%eval #1] } 35. Qf5 { [%eval #3] } 35... Kb8 { [%eval #3] } 36. Qxf6 { [%eval #3] } 36... Ka8 { [%eval #2] } 37. Qxg5 { [%eval #3] } 37... Kb8 { [%eval #2] } 38. Rf1 { [%eval #3] } 38... Ka8 { [%eval #2] } 39. Rf7 { [%eval #1] } 39... Kb8 { [%eval #1] } 40. Qg8# { White wins by checkmate. } 1-0