[Event "UNIRIO Swiss"] [Site "https://lichess.org/Rohk9qJS"] [Date "2021.03.13"] [White "bvcampos"] [Black "Nath15"] [Result "0-1"] [UTCDate "2021.03.13"] [UTCTime "23:24:00"] [WhiteElo "1572"] [BlackElo "1583"] [WhiteRatingDiff "-18"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B13"] [Opening "Caro-Kann Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 { B13 Caro-Kann Defense: Exchange Variation } 5. h3 Nf6 6. Bg5 h6 7. Bh4? { (-0.16 → -1.40) Mistake. Bf4 was best. } (7. Bf4 Bf5 8. Bd3 Be4 9. c3 Qb6 10. b4 e6 11. O-O Rc8) 7... e6? { (-1.40 → -0.25) Mistake. Ne4 was best. } (7... Ne4 8. Nfd2) 8. a3? { (-0.25 → -1.64) Mistake. Nc3 was best. } (8. Nc3 Bd7 9. Bb5 Bd6 10. O-O Qc7 11. Bd3 a6 12. Qe1 O-O 13. Bxf6 gxf6 14. Qd2 Kg7) 8... Be7? { (-1.64 → -0.10) Mistake. Qb6 was best. } (8... Qb6 9. Nc3 Ne4 10. Nxe4 dxe4 11. Nd2 Qxb2 12. Nxe4 Qxd4 13. Bd3 Be7 14. Bxe7 Kxe7 15. O-O) 9. Nc3 O-O 10. Bd3 a6 11. Ne5?? { (0.29 → -1.94) Blunder. O-O was best. } (11. O-O b5 12. Re1 Qb6 13. Ne2 b4 14. axb4 Nxb4 15. Ne5 a5 16. Nf4 Nxd3 17. Qxd3 Ba6) 11... Nxd4 12. Bh7+? { (-2.02 → -3.41) Mistake. f4 was best. } (12. f4 Nc6) 12... Nxh7 13. Qxd4? { (-3.95 → -7.17) Mistake. Bxe7 was best. } (13. Bxe7 Nxc2+ 14. Qxc2 Qxe7 15. Na4 Qd6 16. f4 f6 17. Ng6 Rd8 18. O-O Bd7 19. f5 Ng5) 13... Bxh4 14. Nf3 Bf6 15. Qd3 Bd7 16. O-O-O Bb5 17. Nxb5 axb5 18. Qxb5 Qa5?! { (-8.82 → -6.01) Inaccuracy. Qc7 was best. } (18... Qc7 19. Kb1) 19. Qxb7?! { (-6.01 → -9.94) Inaccuracy. Qxa5 was best. } (19. Qxa5 Rxa5) 19... Rab8 20. Qc6? { (-9.94 → Mate in 4) Checkmate is now unavoidable. Qb3 was best. } (20. Qb3 Rfc8) 20... Bxb2+ 21. Kb1 Bxa3+ 22. Ka2 Be7+ 23. Qa4 Qxa4# { Black wins by checkmate. } 0-1