[Event "TOPALOV"] [Site "https://lichess.org/7NHbXaVQ"] [Date "2021.04.12"] [White "PEDRO789"] [Black "Sr_Ang"] [Result "0-1"] [UTCDate "2021.04.12"] [UTCTime "01:59:54"] [WhiteElo "1838"] [BlackElo "2001"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "240+2"] [ECO "D45"] [Opening "Semi-Slav Defense: Main Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. d4 Nf6 3. e3 e6 4. c4 c6 5. Nc3 { D45 Semi-Slav Defense: Main Line } Bd6 6. Be2 O-O 7. O-O b6 8. h3 Nbd7 9. b3 c5?! { (0.08 → 0.83) Inaccuracy. Bb7 was best. } (9... Bb7 10. a4) 10. Bb2?! { (0.83 → 0.13) Inaccuracy. cxd5 was best. } (10. cxd5 Nxd5 11. Nxd5 exd5 12. dxc5 Nxc5 13. Bb2 Bb7 14. Rc1 Qe7 15. Rc2 Rac8 16. Nd4 Qe5) 10... Bb7 11. Nb5 Be7 12. dxc5 bxc5 13. Ne5 Nxe5 14. Bxe5 a6 15. Nc3 Bd6?! { (-0.23 → 0.64) Inaccuracy. Nd7 was best. } (15... Nd7 16. Bg3 Bf6 17. Rc1 d4 18. Na4 Rc8 19. Bf3 Bxf3 20. Qxf3 Nb6 21. Nxb6 Qxb6 22. Rce1) 16. Bxf6 Qxf6 17. Rc1?? { (0.48 → -4.08) Blunder. Ne4 was best. } (17. Ne4 Qe5 18. Nxd6 Qxd6 19. Rc1 Rac8 20. cxd5 exd5 21. Qd2 Qb6 22. Bg4 Rcd8 23. Bf3 Rfe8) 17... d4?? { (-4.08 → -1.62) Blunder. Qe5 was best. } (17... Qe5 18. g3) 18. exd4? { (-1.62 → -3.40) Mistake. Qd3 was best. } (18. Qd3) 18... cxd4 19. Na4? { (-2.85 → -5.28) Mistake. Qd3 was best. } (19. Qd3) 19... Qe5 20. f4 Qe3+ 21. Kh1?? { (-5.58 → Mate in 2) Checkmate is now unavoidable. Rf2 was best. } (21. Rf2 Bxf4) 21... Bxf4?? { (Mate in 2 → -4.69) Lost forced checkmate sequence. Qxh3+ was best. } (21... Qxh3+ 22. Kg1 Qxg2#) 22. Rc2?? { (-4.69 → Mate in 2) Checkmate is now unavoidable. Bf3 was best. } (22. Bf3 Bxf3 23. Qxf3 Qxf3 24. gxf3 Bxc1 25. Rxc1 Rac8 26. c5 Rc6 27. Kg1 e5 28. Kf2 f5) 22... Bxg2+ 23. Kxg2 Qg3+ 24. Kh1 Qh2# { Black wins by checkmate. } 0-1