[Event "Spring Swiss: Open Section"] [Site "https://lichess.org/tgrqlHt9"] [Date "2021.03.21"] [White "excelsiorhorizon"] [Black "EduardoNASA"] [Result "0-1"] [UTCDate "2021.03.21"] [UTCTime "17:59:00"] [WhiteElo "1444"] [BlackElo "1984"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "2400+5"] [ECO "B07"] [Opening "Pirc Defense: Byrne Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 { B07 Pirc Defense: Byrne Variation } Bg7 5. Qd2 c6 6. O-O-O?! { (0.69 → 0.13) Inaccuracy. Bh6 was best. } (6. Bh6 Bxh6 7. Qxh6 e5 8. O-O-O Qe7 9. Be2 Nbd7 10. f4 Ng8) 6... b5 7. e5?! { (0.55 → -0.28) Inaccuracy. f3 was best. } (7. f3 h6 8. Be3 Nbd7 9. Kb1 Nb6 10. Bd3 Nfd7 11. Nh3 Rb8) 7... b4?! { (-0.28 → 0.52) Inaccuracy. dxe5 was best. } (7... dxe5 8. dxe5 Qxd2+ 9. Rxd2 Ng4 10. Nf3 Nxe5 11. Be2 f6 12. Bf4) 8. exf6 exf6 9. Bxf6?! { (0.94 → 0.09) Inaccuracy. Bf4 was best. } (9. Bf4 bxc3) 9... Bxf6 10. Ne4 Be7 11. Qxb4?! { (0.39 → -0.24) Inaccuracy. d5 was best. } (11. d5 O-O) 11... Bf5? { (-0.24 → 0.90) Mistake. d5 was best. } (11... d5 12. Nc5) 12. Qb7?? { (0.90 → -0.81) Blunder. Bd3 was best. } (12. Bd3 O-O) 12... Bxe4 13. d5?? { (-1.11 → -6.00) Blunder. Re1 was best. } (13. Re1 d5) 13... O-O 14. f3 Bxd5 15. Rxd5 cxd5 16. Qxa8 Qa5 17. Qb7? { (-7.75 → Mate in 1) Checkmate is now unavoidable. c3 was best. } (17. c3 Qxa2) 17... Qe1# { Black wins by checkmate. } 0-1