[Event "Nacional Universitario Grupo A Team Battle"] [Site "https://lichess.org/6HA1lOXJ"] [Date "2020.05.29"] [White "oresteshm"] [Black "UQBillyRomero"] [Result "0-1"] [UTCDate "2020.05.29"] [UTCTime "00:43:30"] [WhiteElo "2242"] [BlackElo "2054"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B91"] [Opening "Sicilian Defense: Najdorf Variation, Zagreb Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 { B91 Sicilian Defense: Najdorf Variation, Zagreb Variation } e6 7. Bg2 Be7 8. Be3 O-O 9. O-O Qc7 10. f4 Nbd7?! { (0.21 → 0.89) Inaccuracy. Nc6 was best. } (10... Nc6 11. a4) 11. g4 Rb8?! { (1.04 → 1.88) Inaccuracy. Nb6 was best. } (11... Nb6 12. g5 Ne8 13. Qc1 Bd7 14. a4 Rc8 15. Bf2 g6 16. f5 Nc4 17. f6 Bd8 18. Nde2) 12. g5 Ne8 13. h4?! { (2.01 → 1.07) Inaccuracy. Qh5 was best. } (13. Qh5) 13... b5 14. a3 Bb7 15. f5 e5 16. Nde2 f6 17. Ng3 Nc5? { (1.42 → 3.23) Mistake. Nb6 was best. } (17... Nb6 18. Kh1 fxg5 19. hxg5 Nc4 20. Bc1 Nxb2 21. Bxb2 Bxg5 22. Nd5 Bxd5 23. Qxd5+ Kh8 24. Bc1) 18. Qh5 fxg5?! { (2.92 → 4.09) Inaccuracy. Bd8 was best. } (18... Bd8 19. Nd5) 19. hxg5 Nd7 20. Kh2 Bd8 21. Rh1 Nc5 22. Kg1 g6? { (4.52 → 9.37) Mistake. h6 was best. } (22... h6) 23. fxg6 Qg7 24. gxh7+ Kh8 25. Nf5 Rxf5 26. exf5 Nc7 27. f6 Bxf6 28. gxf6?? { (8.66 → Mate in 1) Checkmate is now unavoidable. Rh2 was best. } (28. Rh2) 28... Qxg2# { Black wins by checkmate. } 0-1