[Event "FIDE World Cup 2019"] [White "Wojtaszek, Radoslaw"] [Black "Christiansen, Johan-Sebastian"] [Site "Khanty-Mansiysk"] [Round "1.16"] [Annotator "TA"] [Result "0-1"] [Date "2019.09.10"] [WhiteElo "2739"] [BlackElo "2558"] [PlyCount "102"] 1. d4 {} Nf6 2. c4 g6 3. g3 c5 4. dxc5 (4. Nf3 Bg7 5. Bg2 0-0 6. Nc3 cxd4 7. Nxd4 Qc7 8. Nd5 Nxd5 9. cxd5 Qb6 10. Nb3 d6 11. 0-0 Bd7 12. Be3 Qa6 13. Bd4 Qa4 14. Bxg7 Kxg7 15. Qd4+ Qxd4 16. Nxd4 {1/2-1/2 (28) Ding,L (2805) -Vachier Lagrave,M (2780) Abidjan 2019} )Na6 5. Nc3 Nxc5 6. Bg2 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} Bg7 7. Nf3 b6 8. Nd4 {White is slightly better.} ({Predecessor:} 8. e4 Bb7 9. e5 Ng4 10. 0-0 Nxe5 11. Nxe5 Bxe5 12. Bxb7 Nxb7 {1/2-1/2 (37) Nagy,G (2471)-Darban,M (2264) Ankara 2019} )Bb7 9. Bxb7 Nxb7 10. e4 Qc7 11. Qe2 Nc5 12. 0-0 d6 13. Rd1 Qb7 {} 14. f3 0-0 15. Be3 Rac8 16. Rac1 Ne6 17. Nc2 Rfe8 18. Nb4 Nd8 19. Bf2 Nc6 20. Nbd5 Nd7 21. Nb5 a6 22. Nbc3 Bh6 (22... e6 23. Nf4 Qc7 )23. f4 Rb8 (23... Bg7 {remains equal.} )24. b3 (24. Na4 )Bg7 25. f5 (25. Na4 )Nce5 26. fxg6 hxg6 27. h4 b5 28. cxb5 axb5 29. b4 (29. Nb1 )e6 30. Nf4 Bf8 31. h5 g5 32. Nd3 Rec8 33. Qe3 (33. Nxe5 {was called for.} Nxe5 34. Bd4 )Bg7 34. Kg2 Kh7 35. h6 Bf6 (35... Kxh6 36. Rh1+ Kg6 37. Nf4+ gxf4 38. gxf4 )36. Nxe5 Nxe5 37. Qa7 Ng4 (37... Kxh6 38. Qxb7 Rxb7 39. Rxd6 )38. Qxb7 Rxb7 39. Ne2 Ra8 {Black has a decisive advantage.} 40. Rc2 Ra4 (40... Kxh6 41. Nd4 )41. Rxd6 Rxb4 (41... Kxh6 42. Bc5 )42. Nc1 Rxe4 (42... Kxh6 43. Re2 )43. Nb3 Rc4 44. Re2 { intending Na5.} Rbc7 ({Weaker is} 44... Kxh6 45. Na5 )45. Bd4 Bxd4 46. Nxd4 b4 ({Much less strong is} 46... Nxh6 47. Nxb5 Nf5 48. Rd3 )47. Nb5 Rb7 48. Rd4 Rxd4 49. Nxd4 Kxh6 ({Don't take} 49... Nxh6 50. Rb2 )50. Kf3 Nf6 51. Rb2 Ra7 {Accuracy: White = 33%, Black = 62%.} 0-1