[Event "3rd Sinquefield Cup 2015"] [Site "Saint Louis"] [Date "2015.08.29"] [Round "6"] [White "So, Wesley"] [Black "Nakamura, Hikaru"] [Result "0-1"] [ECO "E99"] [WhiteElo "2779"] [BlackElo "2814"] [Annotator "Ramirez Alvarez,Alejandro"] [PlyCount "78"] [EventDate "2015.??.??"] [EventCountry "USA"] 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 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 {Up to this point So had played instantly. This is surprising as he has achieved nothing on the queenside. Nakamura continues his kingside attack.} (20. Nc2 g4 21. Ncb4 Qf8 22. Be1 Bd7 23. Nc6 Bh6 24. Bb4) 20... g4 21. Qc2 Qf8 22. Rc1 Bd7 23. Rc7 $2 { I don't like this move at all. Releasing the tension on d6 and a6 is too lenient on Black's position. Asked after the game what they thought of Wesley's play, most of the players agreed that it looked completely wrong and anti-positional. "If it was White to move, I would consider playing Rc6 here" - Anish Giri.} (23. Nb4 $1 Bxc6 (23... Bh6)) 23... Bh6 (23... g3 24. Be1 (24. hxg3 fxg3 25. Bxg3 h4 26. Bf2 Bh6) 24... Qd8 25. Ba5 Ne8 26. Rxd7 Qxd7) 24. Be1 {removing the bishop from potential g3 moves with tempo.} h4 {here the pawn on g4 is clearly poisoned to an experience KID player.} 25. fxg4 {picking up the gauntlet, this is not good. That being said, I don't know what else he could have done.} (25. Kg1 Qg7 26. fxg4 Nxe4) 25... f3 26. gxf3 (26. Bxf3 Bxc1 27. Qxc1 Ne8 28. Rc2 Rxf3 29. gxf3 Qxf3+ 30. Kg1 Qxd3) 26... Nxe4 27. Rd1 $2 {This makes things esay for Nakamura to calculate as almost every line wins.} (27. Rxd7 {was a much better try.} Rxf3 $1 {works anyway} (27... Rxd7 28. fxe4 $16) 28. Bxf3 Qxf3+ 29. Qg2 Qxd3 30. Rd1 Bd2 $3 {is the key move. Nakamura did not see this, but he would have found that h3 instead of Bd2 was favorable for Black, and upon reaching this position probably would have found Bd2.} 31. Bxd2 (31. Rxd2 Nxd2 32. Bxd2 h3) 31... Nf4 {and White is getting mated.} 32. Be1 Nf2+ 33. Qxf2 Qe4+ 34. Kg1 Nh3+ 35. Kf1 Nxf2 36. Bxf2 Qxg4) (27. Nf2 Nxf2+ 28. Bxf2 Bxc1 29. Qxg6+ Rg7 30. Qe4 Bxb2 31. Nc2) (27. Nc5 dxc5 28. Rxd7 Rxd7 29. Qxe4 Bxc1 30. Qxg6+ Rg7 $19) (27. fxe4 Rf1+ 28. Kg2 Be3 29. Bxf1 (29. Bg3 Rxc1 30. Nxc1 hxg3) (29. Rxd7 h3+ 30. Kxh3 Qh6+ 31. Kg2 Nf4+ 32. Kxf1 (32. Nxf4 Rg1+ 33. Kf3 Qxf4#) 32... Qh3#) 29... h3+ 30. Kxh3 (30. Kg3 Qxf1) 30... Qf3+ 31. Bg3 Bxg4#) 27... Rxf3 28. Rxd7 (28. Bxf3 Qxf3+ 29. Qg2 Bxg4 {is completely winning. } 30. Rb1 Rf8) 28... Rf1+ $1 29. Kg2 Be3 $1 {A very nice resource. There were other winning moves, but this is fantastic.} (29... h3+ 30. Kxh3 Rf2 {was even more fantastic, and just as winning.} 31. Bxf2 (31. Rb7 Nf4+ 32. Nxf4 Ng5+ 33. Kg3 Qxf4+ 34. Kh4 Rxh2#) 31... Qxf2 32. Nxf2 Nf4+ 33. Kh4 Bg5#) 30. Bg3 (30. h3 Nf4+ 31. Kh2 Nxd3 {and with the elimination of the knight on d3 White's dark squares fall apart.}) 30... hxg3 31. Rxf1 Nh4+ 32. Kh3 Qh6 {White is up a rook, but his position is hopeless. He is simply getting mated.} 33. g5 Nxg5+ {The rest is a forced mating sequence.} 34. Kg4 {every move wins here.} Nhf3 35. Nf2 Qh4+ 36. Kf5 Rf8+ 37. Kg6 Rf6+ $1 {pretty but not the only way.} 38. Kxf6 Ne4+ 39. Kg6 Qg5# 0-1

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