[Event "Sinquefield Cup"] [Site "St Louis, MO USA"] [Date "2015.08.29"] [Round "6.4"] [White "Wesley So"] [Black "Hikaru Nakamura"] [Result "0-1"] [WhiteElo "2779"] [BlackElo "2814"] [Variant "Standard"] [TimeControl "-"] [ECO "E99"] [Opening "King's Indian Defense: Orthodox Variation, Classical System, Traditional Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 { E99 King's Indian Defense: Orthodox Variation, Classical System, Traditional Line } 11. Be3 f4 12. Bf2 g5 13. Nd3 Ng6 14. c5 Nf6 15. Rc1 Rf7 16. Kh1 h5 17. cxd6 cxd6 18. Nb5 a6?! { (0.12 → 0.87) Inaccuracy. g4 was best. } (18... g4) 19. Na3?! { (0.87 → -0.09) Inaccuracy. Nc3 was best. } (19. Nc3 g4 20. Na4 g3 21. Nb6 Rb8 22. Bg1 h4 23. h3 Nh5 24. Nxc8 Rxc8 25. Qb3 Rxc1) 19... b5 20. Rc6 g4 21. Qc2 Qf8?! { (-0.87 → -0.09) Inaccuracy. Bf8 was best. } (21... Bf8) 22. Rc1?! { (-0.09 → -1.19) Inaccuracy. Nb1 was best. } (22. Nb1 h4) 22... Bd7 23. Rc7?! { (-0.96 → -1.68) Inaccuracy. Nb1 was best. } (23. Nb1 h4 24. h3 Nxe4 25. fxe4 f3 26. gxf3 g3 27. Be3 Bxh3 28. Nd2 Bh6 29. Bxh6 Qxh6) 23... Bh6 24. Be1 h4 25. fxg4?! { (-1.03 → -1.63) Inaccuracy. h3 was best. } (25. h3 gxh3 26. gxh3 Ne8 27. Rb7 Rc8 28. Qd1 Bxh3 29. Rxf7 Qxf7 30. Kh2 Bd7 31. Rxc8 Bxc8) 25... f3 26. gxf3 Nxe4 27. fxe4 Rf1+ 28. Kg2 Be3 29. Bxf1?? { (-5.95 → Mate in 6) Checkmate is now unavoidable. Bg3 was best. } (29. Bg3 Rxc1) 29... h3+ 30. Kxh3 Qf3+ 31. Bg3 Bxg4# { Black wins by checkmate. } 0-1