[Event "2017 Summer Marathon"] [Site "https://lichess.org/X97JWChJ"] [Date "2017.08.13"] [White "Nakaruana"] [Black "thisisbrianm"] [Result "1-0"] [UTCDate "2017.08.13"] [UTCTime "02:20:01"] [WhiteElo "2222"] [BlackElo "1472"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "180+0"] [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. Nc3 c6 4. cxd5 cxd5 5. Bf4 e6 6. e3 Bb4 7. Bd3 h5 8. Nf3 a6 9. O-O b5? { (0.91 → 2.33) Mistake. Nc6 was best. } (9... Nc6 10. Rc1 Be7 11. Bg5 Bd7 12. g3 Rc8 13. a3 Kf8 14. Kg2 Ne8 15. Bxe7+ Nxe7 16. h4) 10. Rc1?! { (2.33 → 1.42) Inaccuracy. a4 was best. } (10. a4 Bxc3 11. bxc3 bxa4 12. Qxa4+ Bd7 13. Qa3 Nc6 14. Rfb1 a5 15. Rb7 Ne4 16. Bxe4 dxe4) 10... Bb7?! { (1.42 → 2.02) Inaccuracy. Kf8 was best. } (10... Kf8 11. a4 Be7 12. axb5 axb5 13. Nxb5 Na6 14. Be2 Bb7 15. h3 Rc8 16. Rxc8 Bxc8 17. Nc3) 11. a4?! { (2.02 → 1.19) Inaccuracy. Qb3 was best. } (11. Qb3) 11... Nbd7 12. axb5 axb5 13. Nxb5 Ra2?? { (1.56 → 8.25) Blunder. O-O was best. } (13... O-O 14. Qb3 Qe7 15. Rc7 Rfb8 16. Ne5 Ba5 17. Rc2 Nxe5 18. Bxe5 Rc8 19. Rxc8+ Bxc8 20. Nd6) 14. Nc7+ Ke7 15. Qb3 Ba5 16. Qxa2 Bxc7 17. Rxc7 Bc6 18. Qa3+ Ke8 19. Rxc6 Ne4 20. Rfc1 Qf6?! { (19.17 → Mate in 6) Checkmate is now unavoidable. Nec5 was best. } (20... Nec5 21. dxc5) 21. Rc8+ Qd8 22. Rxd8+ Kxd8 23. Rc8+ Kxc8 24. Qa8+ Nb8 25. Qxb8+ Kd7 26. Qc7+ Ke8 27. Qc8+ Ke7 28. Qxh8 g6 29. Ng5 f6 30. Nxe4 dxe4 31. Bxe4 f5 32. Qg7+ Ke8 33. Bd6 Kd8 34. Qe7+ Kc8 35. Qc7# { White wins by checkmate. } 1-0