[Event "2017 Spring Marathon"] [Site "https://lichess.org/SQPhAIPO"] [Date "2017.04.16"] [White "Acebulf"] [Black "onat2005"] [Result "0-1"] [UTCDate "2017.04.16"] [UTCTime "18:44:27"] [WhiteElo "1324"] [BlackElo "1321"] [WhiteRatingDiff "-18"] [BlackRatingDiff "+27"] [Variant "Standard"] [TimeControl "180+2"] [ECO "C58"] [Opening "Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ { C58 Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line } c6 7. dxc6 bxc6 8. Ba4? { (0.27 → -0.85) Mistake. Qf3 was best. } (8. Qf3 Be7 9. Bxc6+ Nxc6 10. Qxc6+ Bd7 11. Qf3 O-O 12. O-O Rc8 13. Nc3 Bc6 14. Qh3 Qd7) 8... Bc5? { (-0.85 → 0.65) Mistake. h6 was best. } (8... h6 9. Nf3 e4 10. Qe2 Bc5 11. d3 Ba6 12. O-O O-O 13. Ne1 Re8 14. Qd1 Qd6 15. Nc3) 9. Qf3 O-O 10. c3?? { (0.35 → -2.64) Blunder. O-O was best. } (10. O-O) 10... Ba6? { (-2.64 → -1.08) Mistake. e4 was best. } (10... e4 11. Qg3 h6 12. d3 Bd6 13. Qh4 Nh7 14. O-O Nxg5 15. Bxg5 hxg5 16. Qxe4 Re8 17. Qf3) 11. b4 e4 12. Nxe4?? { (-0.85 → -7.41) Blunder. Qd1 was best. } (12. Qd1 Qd5 13. d4 e3 14. Bxe3 Nc4 15. Qf3 Nxe3 16. Qxd5 Nexd5 17. bxc5 Rae8+ 18. Kd1 Re2) 12... Nxe4 13. bxc5 Nxc5? { (-9.16 → -4.83) Mistake. Re8 was best. } (13... Re8 14. d4 Nxc3+ 15. Be3 Nxa4 16. d5 cxd5 17. Na3 Nc6 18. Nc4 Bxc4 19. O-O-O Bxa2 20. Rd2) 14. Bb3? { (-4.83 → -11.22) Mistake. Bc2 was best. } (14. Bc2 Re8+ 15. Kd1 Qe7 16. c4 Bxc4 17. Nc3 Rad8 18. Qh5 g6 19. Qf3 Bd3 20. Rb1 Qd6) 14... Re8+ 15. Kd1 Be2+ 16. Kc2 Bxf3 17. gxf3?! { (-16.90 → Mate in 9) Checkmate is now unavoidable. d4 was best. } (17. d4 Be4+) 17... Qd3+ 18. Kb2 Naxb3 19. axb3 Rab8 20. b4 Qc4?! { (Mate in 3 → -16.43) Lost forced checkmate sequence. Rxb4+ was best. } (20... Rxb4+ 21. Ka3 Ra4+ 22. Kb2 Rb8#) 21. Na3?! { (-16.43 → Mate in 1) Checkmate is now unavoidable. Ra3 was best. } (21. Ra3 a5) 21... Qb3# { Black wins by checkmate. } 0-1