[Event "NM MATHEUSMDR2005 simul"] [Site "https://lichess.org/ENOZ3lBB"] [Date "2021.08.17"] [White "MATHEUSMDR2005"] [Black "NatiAugusto19"] [Result "1-0"] [UTCDate "2021.08.17"] [UTCTime "22:47:49"] [WhiteElo "2199"] [BlackElo "1738"] [WhiteTitle "NM"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D07"] [Opening "Queen's Gambit Declined: Chigorin Defense, Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 Nc6 2. d4 d5 3. cxd5 Qxd5 { D07 Queen's Gambit Declined: Chigorin Defense, Exchange Variation } 4. Nf3 e6?! { (0.28 → 1.20) Inaccuracy. e5 was best. } (4... e5 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 e4 8. Nd2 e3 9. fxe3) 5. Nc3 Qd8?! { (0.82 → 1.68) Inaccuracy. Bb4 was best. } (5... Bb4 6. e3 Nf6 7. Be2 O-O 8. O-O Qd8 9. Qc2 Bd6 10. e4) 6. d5?? { (1.68 → -0.24) Blunder. e4 was best. } (6. e4 Bb4 7. a3 Bxc3+ 8. bxc3 Nge7 9. Bd3 b6 10. O-O Bb7) 6... exd5 7. Bg5?! { (0.10 → -0.50) Inaccuracy. Qxd5 was best. } (7. Qxd5 Bd6) 7... Nf6 8. Bxf6 Qxf6 9. Qxd5? { (-0.45 → -1.91) Mistake. Nxd5 was best. } (9. Nxd5 Qd6 10. Nc3 Bd7 11. Qxd6 Bxd6 12. O-O-O O-O-O 13. e3 Rhe8 14. Rd2 a6 15. Be2 h6) 9... Nb4?! { (-1.91 → -0.83) Inaccuracy. Bb4 was best. } (9... Bb4 10. Qd3) 10. Qb5+?? { (-0.83 → -6.37) Blunder. Qe4+ was best. } (10. Qe4+ Be7) 10... Nc6?? { (-6.37 → -0.08) Blunder. Bd7 was best. } (10... Bd7 11. Qe5+) 11. O-O-O Bb4 12. Nd5 a6?? { (0.26 → 7.91) Blunder. Qh6+ was best. } (12... Qh6+) 13. Nxf6+ gxf6 14. Qh5 O-O 15. e3 Ne5 16. Nxe5 fxe5 17. Bd3 Kh8?! { (10.20 → Mate in 1) Checkmate is now unavoidable. f5 was best. } (17... f5 18. e4) 18. Qxh7# { White wins by checkmate. } 1-0