[Event "?"] [Site "?"] [Date "2019.11.02"] [Round "?"] [White "Magnus Carlsen (Age 15)"] [Black "jamier7"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D06"] [Opening "Queen's Gambit Declined: Marshall Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 Nf6 { D06 Queen's Gambit Declined: Marshall Defense } 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 Nc6?! { (0.29 → 1.04) Inaccuracy. e5 was best. } (5... e5 6. d5 c6 7. Nf3 cxd5 8. Bb5+ Bd7 9. Bxd7+ N8xd7 10. Nxd5) 6. Bb5 Bd7 7. Nf3 e6 8. O-O Be7 9. Bf4 O-O 10. Qd2 Re8 11. Rac1 Rc8 12. Rfd1 Bf8 13. Be2 Na5 14. Qc2 Qf6 15. g3 c5 16. d5? { (1.52 → 0.09) Mistake. e5 was best. } (16. e5 Qg6) 16... exd5 17. Nxd5 Nxd5 18. Rxd5 Bc6 19. e5 Qe6?? { (0.09 → 2.64) Blunder. Qg6 was best. } (19... Qg6 20. Qxg6 hxg6 21. Rdd1 b6 22. h4 Rcd8 23. Ng5 Rxd1+ 24. Rxd1 b5 25. Bd3 f6 26. exf6) 20. Ng5 Qxd5?? { (2.48 → Mate in 1) Checkmate is now unavoidable. Qh6 was best. } (20... Qh6 21. Bd3) 21. Qxh7# { White wins by checkmate. } 1-0