[Event "3rd Sinquefield Cup 2015"] [Site "Saint Louis USA"] [Date "2015.08.29"] [Round "6.4"] [White "So, W."] [Black "Nakamura, Hi"] [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?! { (0.17 → 0.74) Inaccuracy. exd4 was best. } (7... exd4 8. Nxd4 Re8 9. f3 Nfd7 10. Be3 Nc6 11. Nxc6 bxc6 12. Qd2 Bb7 13. Rad1 a5 14. Na4) 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 19. Na3 b5 20. Rc6 g4 21. Qc2 Qf8 22. Rc1 Bd7 23. Rc7 Bh6 24. Be1 h4 25. fxg4 f3 26. gxf3 Nxe4 27. Rd1?? { (0.00 → -2.84) Blunder. Rxd7 was best. } (27. Rxd7 Rxf3 28. Bxf3 Qxf3+ 29. Qg2 Qxd3 30. Rd1 h3 31. Rxd3 hxg2+ 32. Kg1 Nc5 33. Rh3 Nxd7) 27... Rxf3 28. Rxd7?? { (-2.43 → -14.73) Blunder. Ba5 was best. } (28. Ba5 Bxg4 29. Bb6 Be3 30. Bxe3 Rxe3 31. Bxg4 Rxd3 32. Kg1 Rxd1+ 33. Qxd1 Qf2+ 34. Kh1 Nf4) 28... Rf1+ 29. Kg2 Be3 30. Bg3?! { (-5.37 → -9.12) Inaccuracy. Bf2 was best. } (30. Bf2 Rxf2+ 31. Nxf2 Nf4+ 32. Kf1 Nh3 33. Bd3 Nhxf2 34. Ke1 Rc8 35. Bxe4 Rxc2 36. Bh7+ Kh8) 30... hxg3 31. Rxf1? { (-7.78 → Mate in 12) Checkmate is now unavoidable. Bxf1 was best. } (31. Bxf1 Nh4+ 32. Kh3 Qh6 33. Rxd6 Nxd6 34. Nxe5 Ng6+ 35. Kg2 Qxh2+ 36. Kf3 Nxe5+ 37. Kxe3 Qh6+) 31... Nh4+ 32. Kh3 Qh6 33. g5 Nxg5+ 34. Kg4 Nhf3 35. Nf2 Qh4+ 36. Kf5 Rf8+ 37. Kg6 Rf6+ 38. Kxf6 Ne4+ 39. Kg6 Qg5# { Black wins by checkmate. } 0-1