[Event "مسابقات شطرنج نظام مهندسی الف"] [Site "https://lichess.org/HojYrs2G"] [Date "2021.09.10"] [White "Tavakolian3003"] [Black "Mostapha_Hashemi"] [Result "1-0"] [UTCDate "2021.09.10"] [UTCTime "14:07:52"] [WhiteElo "2533"] [BlackElo "2141"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "300+5"] [ECO "D52"] [Opening "Queen's Gambit Declined"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 e6 2. Nc3 c6 3. d4 d5 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 { D52 Queen's Gambit Declined } Be7 7. Qc2 O-O 8. cxd5 exd5 9. Bd3 h6 10. Bh4 Re8 11. O-O-O?! { (0.22 → -0.69) Inaccuracy. O-O was best. } (11. O-O Ne4 12. Bxe7 Qxe7 13. a4 a5 14. h3 Ng5 15. Nxg5 Qxg5 16. Ne2 Re7 17. Nf4 Nf8) 11... b5 12. Rdg1?! { (-0.27 → -1.14) Inaccuracy. Kb1 was best. } (12. Kb1) 12... a5? { (-1.14 → 0.00) Mistake. Ne4 was best. } (12... Ne4 13. Bxe4) 13. g4 g5?? { (-0.47 → 2.55) Blunder. Ne4 was best. } (13... Ne4) 14. Bg3 Nf8?? { (2.47 → 5.12) Blunder. b4 was best. } (14... b4 15. Na4) 15. h4 Nxg4 16. hxg5 hxg5 17. Ne5 Nxe5?! { (6.23 → 24.02) Inaccuracy. b4 was best. } (17... b4 18. Nxc6) 18. Bh7+ Kg7 19. Bxe5+ f6?! { (31.99 → Mate in 3) Checkmate is now unavoidable. Bf6 was best. } (19... Bf6 20. Rxg5+) 20. Rxg5+ Kf7 21. Bg8# { White wins by checkmate. } 1-0