4th Sinquefield Cup 2016 Saint Louis USA

[Event "4th Sinquefield Cup 2016"] [Site "Saint Louis USA"] [Date "2016.08.05"] [Round "1.3"] [White "So, W."] [Black "Nakamura, Hi"] [Result "1-0"] [ECO "E06"] [WhiteElo "2771"] [BlackElo "2791"] [Annotator "semana 1"] [PlyCount "75"] [EventDate "2016.08.05"] [EventType "tourn"] [EventRounds "9"] [EventCountry "USA"] [EventCategory "22"] [SourceTitle "The Week in Chess 1135"] [Source "Mark Crowther"] [SourceDate "2016.08.08"] {E05: Apertura Catalana - abierta} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Bxa3 10. bxa3 {Las blancas tienen pareja de alfiles.} Ba6 11. Qd2 Rb8 {Diagrama [#]} 12. Qa5 {Las blancas amenazan ganar material: Da5xa6} Qc8 13. a4 Rd8 {Las negras amenazan ganar material: Td8xd4} 14. Ba3 Rxd4 15. Rfb1 Rb6 16. Bc5 {El alfil se siente cómoda en c5} Rd7 17. Rd1 h6 18. Rxd7 Nxd7 19. Bxb6 cxb6 20. Qd2 c5 21. Rd1 Nf6 22. Kf1 Kh7 23. Qc2+ Kg8 24. Qd2 {Dos repeticiones} Kh7 25. Qd8 Qxd8 {Las negras amenazan mate} 26. Rxd8 {Diagrama [#]} c3 {¿ es peligroso el peón?} 27. Ke1 Bc4 {Las negras amenazan ganar material: Ac4xa2} 28. Kd1 Bxa2 29. Kc2 Bc4 30. e3 b5 31. Kxc3 a6 32. Ra8 Nd5+ {[%cal Yb5b4] el Negro planea b4} 33. Bxd5 exd5 34. a5 b4+ 35. Kd2 Bf1 36. Rc8 c4 37. Rb8 b3 38. Kc3 {Diagrama [#]} 1-0