[Event "Rated rapid game"] [Site "https://lichess.org/riL648iF"] [Date "2024.11.11"] [White "mz13591367"] [Black "Istomin-Sergey2014"] [Result "0-1"] [UTCDate "2024.11.11"] [UTCTime "14:11:37"] [WhiteElo "1602"] [BlackElo "1772"] [Variant "Standard"] [TimeControl "600+5"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. Qe2?! { (0.34 → -0.28) Inaccuracy. Nxe5 was best. } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O) 3... Nc6 4. c3 d5 5. exd5 Nxd5?! { (-0.69 → 0.07) Inaccuracy. Qxd5 was best. } (5... Qxd5 6. d4 Bg4 7. dxe5 Nd7 8. h3 Bh5 9. e6 fxe6 10. Qd3) 6. d4 Bd6? { (-0.45 → 0.85) Mistake. Bg4 was best. } (6... Bg4 7. Nbd2 Be7 8. dxe5 Qd7 9. Qe4 Bf5 10. Qa4 Nxe5 11. Qxd7+) 7. dxe5 O-O? { (0.97 → 2.81) Mistake. Be7 was best. } (7... Be7 8. Qe4 f5 9. Qc2 Be6 10. Bb5 O-O 11. O-O Qe8 12. Re1 f4 13. h3) 8. exd6 Re8 9. Be3 Nxe3?! { (2.90 → 3.80) Inaccuracy. Qxd6 was best. } (9... Qxd6 10. Na3) 10. fxe3 Qxd6 11. Nh4?? { (3.55 → -2.65) Blunder. Nbd2 was best. } (11. Nbd2 Bf5 12. Qf2 Rad8 13. Be2 Ne5 14. O-O Ng4 15. Qh4 Qg6 16. Nd4 Nxe3) 11... Qh6 12. g3?? { (-2.36 → -6.31) Blunder. Qf2 was best. } (12. Qf2 Bg4) 12... Rxe3 13. Bg2 Rxe2+ 14. Kxe2 Bg4+ 15. Kf2 Qf6+ 16. Ke3?? { (-6.70 → Mate in 8) Checkmate is now unavoidable. Bf3 was best. } (16. Bf3 Ne5 17. Nd2 g5 18. Rhe1 Nd3+ 19. Ke2 Qa6 20. Bxg4 Re8+ 21. Kf1 Nxe1+) 16... Re8+ 17. Kd2 Qd6+? { (Mate in 4 → -9.38) Lost forced checkmate sequence. Qf2+ was best. } (17... Qf2+ 18. Kc1 Re1+ 19. Rxe1 Qxe1+ 20. Kc2 Qd1#) 18. Kc2? { (-9.38 → Mate in 5) Checkmate is now unavoidable. Kc1 was best. } (18. Kc1 Qh6+ 19. Nd2 Rd8 20. Kb1 Qxd2 21. a4 Qd3+ 22. Kc1 Qe2 23. b4 Qd2+) 18... Re2+ 19. Kc1 g5? { (Mate in 3 → -7.86) Lost forced checkmate sequence. Qd3 was best. } (19... Qd3 20. Nd2 Qxd2+ 21. Kb1 Qxb2#) 20. Bxc6? { (-7.86 → Mate in 4) Checkmate is now unavoidable. Bf3 was best. } (20. Bf3 Bxf3 21. Nxf3 Qd3 22. Nbd2 Ne5 23. Re1 Nxf3 24. Rxe2 Qxe2 25. Nxf3 Qf1+) 20... Qxc6? { (Mate in 4 → -8.76) Lost forced checkmate sequence. Qd3 was best. } (20... Qd3 21. Ba4 Qe3+ 22. Nd2 Qxd2+ 23. Kb1 Qxb2#) 21. Rd1 gxh4 22. Rd8+ Kg7 23. gxh4?! { (-10.20 → Mate in 3) Checkmate is now unavoidable. b3 was best. } (23. b3 Qh1+ 24. Rd1 Qxh2 25. Nd2 hxg3 26. a4 g2 27. Kb2 Qd6 28. a5 Rxd2+) 23... Qh1+ 24. Rd1 Rc2+ 25. Kxc2 Qxd1# { Black wins by checkmate. } 0-1