[Event "ПШ 21 informal 13.11."] [Site "https://lichess.org/dImGv8iQ"] [Date "2021.11.13"] [White "FinaginD13"] [Black "Osipov_Viktor_2010"] [Result "0-1"] [UTCDate "2021.11.13"] [UTCTime "07:11:49"] [WhiteElo "1500"] [BlackElo "1571"] [WhiteRatingDiff "-219"] [BlackRatingDiff "+172"] [Variant "Standard"] [TimeControl "600+5"] [ECO "C20"] [Opening "Center Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. d4 { C20 Center Game } Nf6?! { (-0.10 → 0.93) Inaccuracy. exd4 was best. } (2... exd4 3. Qxd4 Nc6 4. Qc4 Nf6 5. Nc3 Bb4 6. Ne2 d5 7. exd5) 3. dxe5 Nxe4 4. f4?? { (1.75 → -1.93) Blunder. Qe2 was best. } (4. Qe2 Nc5 5. Nc3 Ne6 6. f4 Bc5 7. Be3 Nd4 8. Bxd4 Bxd4) 4... Bc5?! { (-1.93 → -0.94) Inaccuracy. Qh4+ was best. } (4... Qh4+ 5. g3 Nxg3 6. Nf3 Qh5 7. Rg1 Nxf1 8. Rxf1 d6 9. Qe2) 5. Ne2?? { (-0.94 → Mate in 1) Checkmate is now unavoidable. Nh3 was best. } (5. Nh3 d5 6. Nd2 Nxd2 7. Qxd2 Nc6 8. Nf2 O-O 9. c3 Bb6) 5... Nf2?? { (Mate in 1 → -6.37) Lost forced checkmate sequence. Bf2# was best. } (5... Bf2#) 6. Be3?! { (-6.37 → -10.66) Inaccuracy. Qd5 was best. } (6. Qd5) 6... Nxd1 7. Bxc5 Nxb2 8. Nd4 d6 9. exd6 cxd6 10. Bxd6 Qxd6 11. Bb5+ Nd7 12. O-O h5 13. Nc3 h4 14. g3 Qxd4+ 15. Rf2 Rh6 16. Ne2 Qe3 17. Bxd7+ Bxd7 18. gxh4 Bh3 19. Rd1?! { (-23.34 → Mate in 3) Checkmate is now unavoidable. f5 was best. } (19. f5 Rxh4) 19... Rg6+ 20. Kh1 Qxf2 21. Rg1 Bg2+ 22. Rxg2 Qxg2# { Black wins by checkmate. } 0-1