[Event "4 پسران متوسطه اول ناحیه"] [Site "https://lichess.org/CyRDHgsz"] [Date "2021.11.02"] [White "khanmohammadi"] [Black "Wwerr88"] [Result "0-1"] [GameId "CyRDHgsz"] [UTCDate "2021.11.02"] [UTCTime "05:46:42"] [WhiteElo "1460"] [BlackElo "1665"] [WhiteRatingDiff "-77"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "420+3"] [ECO "C47"] [Opening "Four Knights Game: Glek System"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nc3 e5 2. Nf3 Nc6 3. e4 Nf6 4. g3 { C47 Four Knights Game: Glek System } d5 5. b3?? { (0.13 → -5.36) Blunder. exd5 was best. } (5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bc5 8. O-O O-O 9. Re1 Bb6) 5... dxe4 6. Ng5 Bg4 7. Qxg4? { (-4.99 → -9.83) Mistake. Be2 was best. } (7. Be2 Bf5) 7... Nxg4 8. Ncxe4 Qd4 9. Rb1 h6 10. Nf3? { (-8.67 → Mate in 12) Checkmate is now unavoidable. c3 was best. } (10. c3 Qd7 11. f3 hxg5 12. fxg4 Qxg4 13. Bg2 O-O-O 14. Rb2 Be7 15. Nf2 Qe6 16. Rc2 Bc5) 10... Qxe4+ 11. Kd1 Qxf3+ 12. Ke1 Qxh1?! { (Mate in 3 → -29.24) Lost forced checkmate sequence. Qe4+ was best. } (12... Qe4+ 13. Be2 Nd4 14. f3 Qxe2#) 13. d3 Qf3 14. Be2 Qxf2+ 15. Kd2 Qe3+ 16. Ke1 Bb4+ 17. Kd1 Qg1+ 18. Bf1 Qxf1# { Black wins by checkmate. } 0-1