[Event "Rated classical game"] [Site "https://lichess.org/P3Na93aP"] [Date "2024.05.26"] [White "vkoufas"] [Black "sayd07"] [Result "0-1"] [UTCDate "2024.05.26"] [UTCTime "23:03:46"] [WhiteElo "1500"] [BlackElo "1740"] [WhiteRatingDiff "-125"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "1800+0"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. d3 Nc6 4. Nc3 Bb4 5. Be3 O-O 6. Be2 d6?! { (-0.61 → -0.06) Inaccuracy. d5 was best. } (6... d5 7. Bd2 d4 8. Nb1 a5 9. O-O b6 10. c3 Bc5 11. Qc2) 7. O-O Bd7 8. a3 Ba5 9. b4 Bb6 10. Qd2 Nd4 11. Bg5 Nxe2+ 12. Qxe2 a5? { (-0.35 → 1.09) Mistake. c6 was best. } (12... c6) 13. Nd5 axb4?! { (0.98 → 1.75) Inaccuracy. Be6 was best. } (13... Be6 14. Bxf6 gxf6 15. Nh4 c6 16. Nxb6 Qxb6 17. Rae1 Kh8 18. Qh5 Rg8 19. Qh6) 14. Nxb6? { (1.75 → 0.35) Mistake. axb4 was best. } (14. axb4 Rxa1 15. Rxa1 Re8 16. Nh4 c6 17. Nxf6+ gxf6 18. Bh6 Kh8 19. Qf3 Qe7) 14... cxb6 15. d4?? { (0.34 → -1.33) Blunder. axb4 was best. } (15. axb4 Rxa1 16. Rxa1 h6 17. Bh4 Re8 18. Qe3 g5 19. Bg3 Nh5 20. h4 f6) 15... Rxa3? { (-1.33 → -0.17) Mistake. bxa3 was best. } (15... bxa3 16. dxe5 dxe5 17. Nxe5 Be6 18. Nf3 Qc8 19. Bxf6 gxf6 20. Nd4 Rd8 21. Qd3) 16. Rxa3?! { (-0.17 → -1.21) Inaccuracy. dxe5 was best. } (16. dxe5 dxe5) 16... bxa3 17. dxe5? { (-1.17 → -2.55) Mistake. Qd3 was best. } (17. Qd3 a2) 17... dxe5 18. Nxe5 Be6 19. Rd1 Qe7 20. Qb5?! { (-2.69 → -3.66) Inaccuracy. Ra1 was best. } (20. Ra1 Ra8 21. Nd3 h6 22. Bh4 Qc7 23. f3 Qc3 24. Qd1 Nd7 25. Be1 Qf6) 20... a2 21. Nc6?! { (-3.62 → -5.65) Inaccuracy. Qxb6 was best. } (21. Qxb6 h6 22. Be3 Nxe4 23. Qb2 Rc8 24. Ra1 Qc7 25. c4 f6 26. Ng6 Qf7) 21... bxc6 22. Qxc6 Qb4 23. e5 Qb1 24. h3?? { (-6.96 → Mate in 9) Checkmate is now unavoidable. Rc1 was best. } (24. Rc1 a1=Q 25. Qb5 Qxc1+ 26. Bxc1 Qxc1+ 27. Qf1 Qxc2 28. exf6 Rc8 29. g3 Qd2) 24... Qxd1+ 25. Kh2 Nd5? { (Mate in 8 → -9.05) Lost forced checkmate sequence. a1=Q was best. } (25... a1=Q 26. exf6 Qh1+ 27. Kg3 Qag1 28. Kf4 Qxf2+ 29. Qf3 Qc1+ 30. Ke4 Qcxc2+ 31. Ke5) 26. Qd6? { (-9.05 → Mate in 7) Checkmate is now unavoidable. Qa4 was best. } (26. Qa4 a1=Q 27. Qxa1 Qxa1 28. h4 Qxe5+ 29. Kh1 Qe1+ 30. Kh2 Rc8 31. h5 Qe5+) 26... a1=Q 27. f4 Qh1+ 28. Kg3 Qae1+ 29. Kf3 Qhf1# { Black wins by checkmate. } 0-1