[Event "9th APG free practice TmT"] [Site "https://lichess.org/GMNmmtfa"] [Date "2021.08.13"] [White "Udaych7"] [Black "Kavishanthan"] [Result "1-0"] [UTCDate "2021.08.13"] [UTCTime "15:44:53"] [WhiteElo "1597"] [BlackElo "1486"] [WhiteRatingDiff "+70"] [BlackRatingDiff "-17"] [Variant "Standard"] [TimeControl "420+3"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. d3 d6 4. h3 h6 5. b3 b6 6. Bb2 Bb7 7. Be2 Be7 8. O-O O-O 9. Nc3 Nc6?! { (-0.25 → 0.48) Inaccuracy. c5 was best. } (9... c5) 10. Nd5 Nxd5 11. exd5 Nd4 12. Nxd4 exd4 13. c4?? { (0.34 → -1.96) Blunder. Bxd4 was best. } (13. Bxd4 Bxd5 14. Bf3 Bxf3 15. Qxf3 d5 16. Qg3 f6 17. Be3 Bd6 18. Bf4 Bxf4 19. Qxf4 Qd7) 13... Bf6?? { (-1.96 → 0.63) Blunder. dxc3 was best. } (13... dxc3) 14. Rc1 c6 15. dxc6 Bxc6 16. Bf3 Bxf3 17. Qxf3 Rc8 18. Qf4?? { (1.50 → -1.62) Blunder. Rce1 was best. } (18. Rce1 Rc5 19. Qf4 Ra5 20. a4 Be5 21. Qg4 Qc8 22. Ba3 Qxg4 23. hxg4 Rd8 24. Bb4 Ra6) 18... Be5?? { (-1.62 → 0.89) Blunder. Bg5 was best. } (18... Bg5 19. Qg4) 19. Qe4 b5? { (0.57 → 2.15) Mistake. Re8 was best. } (19... Re8) 20. Bxd4 d5?? { (2.33 → 9.23) Blunder. Re8 was best. } (20... Re8 21. Bxe5) 21. Qxe5 dxc4? { (9.29 → Mate in 1) Checkmate is now unavoidable. f6 was best. } (21... f6 22. Qe6+) 22. dxc4? { (Mate in 1 → 8.17) Lost forced checkmate sequence. Qxg7# was best. } (22. Qxg7#) 22... bxc4? { (8.17 → Mate in 1) Checkmate is now unavoidable. f6 was best. } (22... f6 23. Qe6+ Kh8 24. Rfd1 bxc4 25. bxc4 Qe8 26. Qf5 Rc6 27. c5 Qc8 28. Qg6 a5 29. Be3) 23. Rxc4? { (Mate in 1 → 7.85) Lost forced checkmate sequence. Qxg7# was best. } (23. Qxg7#) 23... Rxc4? { (7.85 → Mate in 1) Checkmate is now unavoidable. Qg5 was best. } (23... Qg5 24. Qe2) 24. bxc4? { (Mate in 1 → 8.20) Lost forced checkmate sequence. Qxg7# was best. } (24. Qxg7#) 24... Re8? { (8.20 → Mate in 1) Checkmate is now unavoidable. Qg5 was best. } (24... Qg5 25. Qe4) 25. Qxg7# { White wins by checkmate. } 1-0