[Event "WchT 7th"] [Site "Bursa"] [Date "2010.01.09"] [Round "5.1"] [White "Gelfand, Boris"] [Black "Nakamura, Hikaru"] [Result "0-1"] [ECO "E97"] [WhiteElo "2761"] [BlackElo "2708"] [Annotator "thechesscorner@gmail.com"] [PlyCount "66"] [EventDate "2010.01.05"] [EventType "team-tourn"] [EventRounds "9"] [EventCountry "TUR"] [SourceVersionDate "2019.10.27"] {[%evp 0,66,17,25,27,-5,45,25,39,39,24,28,24,33,70,29,58,45,53,45,54,29,23,-3, 59,54,117,114,126,139,105,102,138,86,101,91,107,98,104,79,135,69,145,19,20,-73, 190,-12,38,-173,-154,-162,-146,-187,-287,-303,-287,-271,-288,-335,-308,-347, -326,-342,-347,-333,-344,-339,-339]} 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. Nd2 Ne8 10. b4 f5 11. c5 Nf6 12. f3 f4 13. Nc4 g5 14. a4 Ng6 15. Ba3 Rf7 16. b5 dxc5 17. Bxc5 h5 18. a5 g4 19. b6 $1 g3 $1 {each side has made great progress on the wing.} 20. Kh1 Bf8 21. d6 ( 21. Bxf8 Nxe4 $1) (21. bxc7) 21... axb6 22. Bg1 (22. axb6 Rxa1 23. Qxa1 (23. bxc7 Rxc7 24. dxc7 Qxd1 25. Bxd1 Bxc5) 23... cxd6) 22... Nh4 23. Re1 (23. dxc7 Bh3 $3) (23. hxg3 fxg3) 23... Nxg2 $1 24. dxc7 $2 {this is the decisive mistake } (24. Kxg2 Rg7 25. Nxe5 (25. dxc7 gxh2+ 26. Kh1 hxg1=Q+ 27. Rxg1 Qxc7 28. axb6 Rxa1 29. bxc7 Rxd1 30. Bxd1 Rxg1+ 31. Kxg1 Ne8 32. Nd5 Be6) 25... gxh2+ 26. Kxh2 Ng4+ 27. fxg4 Qh4+) 24... Nxe1 25. Qxe1 g2+ $1 {bringing the king to g2} 26. Kxg2 Rg7+ 27. Kh1 Bh3 $1 $19 {renewing the threat on g2} 28. Bf1 Qd3 $3 { Nakamura sacs his queen to mate on g2 (again)} 29. Nxe5 (29. Bxd3 Bg2#) 29... Bxf1 30. Qxf1 Qxc3 31. Rc1 Qxe5 32. c8=Q Rxc8 33. Rxc8 Qe6 0-1