[Event "مسابقات شطرنج نظام مهندسی الف"] [Site "https://lichess.org/NcM8x0Vc"] [Date "2021.07.30"] [White "fathi4850"] [Black "mehrdadnavarchi1"] [Result "1-0"] [UTCDate "2021.07.30"] [UTCTime "15:38:08"] [WhiteElo "2157"] [BlackElo "2420"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-9"] [Variant "Standard"] [TimeControl "300+5"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 { B90 Sicilian Defense: Najdorf Variation } 6. f3 e5 7. Nb3 Be7 8. Be3 O-O 9. Qd2 b5 10. O-O-O Be6 11. Be2?! { (0.66 → -0.19) Inaccuracy. Nd5 was best. } (11. Nd5) 11... b4 12. Na4 Nbd7? { (-0.72 → 0.70) Mistake. a5 was best. } (12... a5) 13. g4?? { (0.70 → -1.17) Blunder. Qxb4 was best. } (13. Qxb4 a5 14. Qb5 Qc7 15. Bb6 Qb8 16. Kb1 Nxb6 17. Qxb6 Rc8 18. Qxb8 Raxb8 19. Ba6 Rc6) 13... Qa5?? { (-1.17 → 13.11) Blunder. Rb8 was best. } (13... Rb8 14. g5) 14. Nxa5 Bxa2 15. b3 Rfc8 16. Kb2 Bxb3 17. cxb3 { Black resigns. } 1-0