[Event "Nha Trang chess 19.9.2021"] [Site "https://lichess.org/Ti3v5MnM"] [Date "2021.09.19"] [White "Sy_khoa"] [Black "The_eighth_Pain"] [Result "0-1"] [UTCDate "2021.09.19"] [UTCTime "09:18:56"] [WhiteElo "1354"] [BlackElo "1510"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+27"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C44"] [Opening "King's Knight Opening: Normal Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 { C44 King's Knight Opening: Normal Variation } 3. d3 Nf6 4. Be2 Bc5 5. O-O O-O 6. h3 b6 7. Bd2 Bb7 8. Nc3 a6 9. a3 b5 10. b4 Bb6 11. Re1 d6 12. Nd5 Nxd5 13. exd5 Ne7 14. c4 Nf5 15. Bg5?! { (-0.27 → -1.23) Inaccuracy. Qc2 was best. } (15. Qc2 c5) 15... Qc8?! { (-1.23 → -0.17) Inaccuracy. f6 was best. } (15... f6 16. Bc1 c6 17. dxc6 Bxc6 18. Bb2 Kh8 19. Rc1 Qd7 20. d4 bxc4 21. Bxc4 d5 22. dxe5) 16. cxb5?? { (-0.17 → -2.10) Blunder. Rc1 was best. } (16. Rc1) 16... axb5 17. Be7?? { (-2.22 → -8.62) Blunder. d4 was best. } (17. d4 e4 18. Nd2 Nxd4 19. Nxe4 Qf5 20. Bd3 Qxd5 21. Be7 f5 22. Bb1 c5 23. f3 Nb3) 17... Nxe7 18. d4 Nxd5 19. dxe5 dxe5 20. Nxe5 Qf5 21. Bg4 Qxf2+ 22. Kh2 Nxb4 23. Rf1? { (-7.16 → Mate in 1) Checkmate is now unavoidable. Re2 was best. } (23. Re2 Qf4+) 23... Qxg2# { Black wins by checkmate. } 0-1