[Event "IM StiffMaster1 Arena"] [Site "https://lichess.org/wkT69qHR"] [Date "2021.06.18"] [White "LORENZO152812"] [Black "Ganador2013"] [Result "0-1"] [UTCDate "2021.06.18"] [UTCTime "23:19:32"] [WhiteElo "977"] [BlackElo "843"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "180+2"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. c4?! { (0.21 → -0.70) Inaccuracy. Nxe5 was best. } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Bf5) 3... c5?! { (-0.70 → 0.25) Inaccuracy. Nxe4 was best. } (3... Nxe4 4. Qe2 Nf6 5. Nxe5 Be7 6. d4 O-O 7. Nc3 Re8 8. Be3) 4. Nc3 Nc6 5. d3 d6 6. Be3 Be6 7. Be2 Be7 8. O-O O-O 9. Nd5 Nd4? { (-0.05 → 1.14) Mistake. Bd7 was best. } (9... Bd7) 10. Nxf6+ Bxf6 11. Nxd4 Be7?? { (0.57 → 6.76) Blunder. cxd4 was best. } (11... cxd4 12. Bd2) 12. Nxe6 fxe6 13. h3 Bh4 14. g3 Bg5 15. Bxg5 Qxg5 16. f3?? { (5.53 → Mate in 6) Checkmate is now unavoidable. Rb1 was best. } (16. Rb1 a5 17. a3 b6 18. Bg4 Qf6 19. Qb3 Kh8 20. Qxb6 Qe7 21. Qc6 h6 22. h4 Kh7) 16... Qxg3+ 17. Kh1 Rf6?? { (Mate in 5 → -6.62) Lost forced checkmate sequence. Qxh3+ was best. } (17... Qxh3+ 18. Kg1 Qg3+ 19. Kh1 Rf4 20. Rf2 Rh4+ 21. Rh2 Rxh2#) 18. Rg1?? { (-6.62 → Mate in 1) Checkmate is now unavoidable. Qe1 was best. } (18. Qe1 Qxh3+ 19. Kg1 Rh6 20. Kf2 Qh4+ 21. Ke3 Qf4+ 22. Kf2 Rh2+ 23. Kg1 Rf8 24. Qf2 Rxf2) 18... Qxh3# { Black wins by checkmate. } 0-1