[Event "Classic ITS S 9R 25+0, Main"] [Site "https://lichess.org/JI7PDBzQ"] [Date "2020.09.23"] [White "Nathanael_5025201318"] [Black "AngghisnaRich_070104"] [Result "0-1"] [UTCDate "2020.09.23"] [UTCTime "06:09:00"] [WhiteElo "1500"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "1500+0"] [ECO "D30"] [Opening "Queen's Gambit Declined: Traditional Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 { D30 Queen's Gambit Declined: Traditional Variation } dxc4 5. Qa4+ Nbd7 6. Nc3 a6 7. e4 c5 8. Qxc4? { (0.09 → -1.26) Mistake. Bxc4 was best. } (8. Bxc4 cxd4 9. Nxd4 Be7 10. O-O O-O 11. Rfd1 Qc7 12. Be2 h6) 8... b5 9. Nxb5?? { (-1.34 → -4.62) Blunder. Qe2 was best. } (9. Qe2 h6 10. Bxf6 Qxf6 11. d5 Bd6 12. dxe6 Qxe6 13. Rd1 O-O 14. Qd3 Be7 15. Nd5 c4) 9... axb5 10. Qxb5 cxd4 11. Nxd4?! { (-4.92 → -7.64) Inaccuracy. a3 was best. } (11. a3 Be7) 11... Rb8 12. Qa4 Bb4+ 13. Ke2 Be7 14. Nc6 Rxb2+ 15. Kf3 Qb6 16. Nxe7?! { (-11.05 → Mate in 1) Checkmate is now unavoidable. Be2 was best. } (16. Be2 Bb7) 16... Qxf2# { Black wins by checkmate. } 0-1