[Event "BÁCH KHOA ONLINE LẦN 3 TUẦN 1 Arena"] [Site "https://lichess.org/QzvNJpKx"] [Date "2021.05.09"] [Round "-"] [White "daicatum"] [Black "hdna2225"] [Result "0-1"] [GameId "QzvNJpKx"] [UTCDate "2021.05.09"] [UTCTime "13:34:55"] [WhiteElo "1500"] [BlackElo "1500"] [BlackBerserk "true"] [Variant "Standard"] [TimeControl "600+0"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { [%eval -0.25] } { A02 Bird Opening } 1... c5 { [%eval 0.0] } 2. e3 { [%eval -0.48] } 2... d6 { [%eval -0.12] } 3. Nf3 { [%eval 0.0] } 3... Nc6 { [%eval -0.16] } 4. b3 { [%eval -0.24] } 4... g6 { [%eval -0.21] } 5. a4?! { (-0.21 → -0.78) Inaccuracy. Bb2 was best. } { [%eval -0.78] } (5. Bb2 Nf6 6. Bb5 Bd7 7. O-O Bg7 8. c4 O-O 9. d3 a6) 5... a5? { (-0.78 → 0.44) Mistake. Bg7 was best. } { [%eval 0.44] } (5... Bg7 6. Nc3) 6. Nc3 { [%eval 0.12] } 6... Bg7 { [%eval -0.06] } 7. d4 { [%eval -0.28] } 7... cxd4 { [%eval -0.29] } 8. exd4 { [%eval -0.2] } 8... d5 { [%eval 0.33] } 9. Nxd5?? { (0.33 → -4.21) Blunder. Bb5 was best. } { [%eval -4.21] } (9. Bb5 Nf6 10. Ba3 Qc7 11. Qd2 O-O 12. Bxc6 bxc6 13. Ne5 Re8 14. O-O-O Bf5 15. Kb1 Reb8) 9... Qxd5 { [%eval -4.13] } 10. Bd2?! { (-4.13 → -5.98) Inaccuracy. Bc4 was best. } { [%eval -5.98] } (10. Bc4 Qe4+ 11. Kf2 Bg4 12. c3 e6 13. Re1 Bxf3 14. Qxf3 Qxf3+ 15. Kxf3 Nge7 16. Bd2 O-O) 10... Nf6 { [%eval -4.91] } 11. c4?! { (-4.91 → -7.37) Inaccuracy. c3 was best. } { [%eval -7.37] } (11. c3 Ne4) 11... Qe4+ { [%eval -7.32] } 12. Kf2 { [%eval -10.25] } 12... Nxd4 { [%eval -8.27] } 13. Bxa5 { [%eval -23.68] } 13... Rxa5 { [%eval -15.08] } 14. Qxd4?! { (-15.08 → Mate in 6) Checkmate is now unavoidable. h3 was best. } { [%eval #-6] } (14. h3 Qxf4) 14... Qxd4+? { (Mate in 6 → -8.81) Lost forced checkmate sequence. Ng4+ was best. } { [%eval -8.81] } (14... Ng4+ 15. Kg3 Bxd4 16. Ra2 Nf6 17. Rg1 Rg5+ 18. Nxg5 Qe1+ 19. Kf3 Qe3#) 15. Nxd4 { [%eval -9.13] } 15... Ne4+ { [%eval -6.75] } 16. Kf3 { [%eval -9.64] } 16... Bxd4 { [%eval -8.1] } 17. Kxe4 { [%eval -10.4] } 17... Bxa1 { [%eval -10.41] } 18. b4 { [%eval -12.67] } 18... Bf5+ { [%eval -12.77] } 19. Kf3 { [%eval -13.62] } 19... Rxa4 { [%eval -13.53] } 20. c5 { [%eval -13.83] } 20... Rxb4 { [%eval -13.89] } 21. g4 { [%eval -21.21] } 21... Be4+ { [%eval -21.69] } 22. Kg3 { [%eval -22.17] } 22... Bxh1 { [%eval -21.84] } 23. f5 { [%eval -22.79] } 23... Bc6 { [%eval -25.08] } 24. fxg6?! { (-25.08 → Mate in 8) Checkmate is now unavoidable. Be2 was best. } { [%eval #-8] } (24. Be2 gxf5) 24... fxg6 { [%eval #-7] } 25. g5 { [%eval #-5] } 25... Rf8 { [%eval #-4] } 26. h4 { [%eval #-3] } 26... Rb3+ { [%eval #-3] } 27. Kh2 { [%eval #-2] } 27... Rf2+ { [%eval #-3] } 28. Kg1 { [%eval #-3] } 28... Bd4 { [%eval #-2] } 29. h5 { [%eval #-1] } 29... Rb1 { [%eval #-1] } 30. hxg6 { [%eval #-1] } 30... Rbxf1# { Black wins by checkmate. } 0-1