[Event "Grand Prix Hamburg 2019"] [White "Duda, Jan-Krzysztof"] [Black "Dubov, Daniil"] [Site "Hamburg"] [Round "3.6"] [Annotator "TA"] [Result "1-0"] [Date "2019.11.13"] [WhiteElo "2734"] [BlackElo "2699"] [PlyCount "119"] 1. d4 {} Nf6 2. c3 g6 3. Bg5 Bg7 4. Nd2 d5 5. e3 0-0 6. Ngf3 Nbd7 7. Be2 Re8 8. Qb3 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} (8. 0-0 e5 9. Rc1 c6 10. h3 e4 11. Nh2 Nf8 12. c4 Qa5 13. a3 dxc4 14. Bxf6 Bxf6 15. Bxc4 Bf5 16. g4 Bd7 { 1-0 (33) Kramnik,V (2753)-Svidler,P (2729) Amsterdam 2019} )c6 9. 0-0 e5 10. Rfd1 {The position is equal.} h6 ({Predecessor:} 10... e4 11. Ne1 h6 12. Bh4 g5 13. Bg3 Nf8 14. c4 Ng6 15. Nc2 h5 {0-1 (41) Lein,A (2535)-Biyiasas, P (2485) Hastings 1979} )11. Bh4 Qe7 12. Rac1 exd4 13. cxd4 a5 14. h3 Qb4 15. Qc2 Ne4 {White should prevent ...g5.} 16. Nxe4 Rxe4 17. Bd3 Re8 18. a3 Qf8 19. Rb1 a4 20. Bg3 Nf6 21. Ne5 Be6 22. Rf1 ({White should try} 22. b3 )Ne4 23. Bh2 Qe7 24. Rbc1 Nd6 25. Qc5 {Black must now prevent Nxc6.} Nf5 26. Qb6 Nh4 27. Bg3 Nf5 28. Bh2 Nh4 29. Bg3 Nf5 30. Bf4 Nh4 31. Rc5 Bxe5 32. dxe5 (32. Bxe5 {} Bxh3 {} 33. Bg3 (33. gxh3 Qg5+ 34. Bg3 Rxe3 )Nxg2 )Bf5 33. Be2 g5 34. Bg3 Ng6 35. f4 gxf4 36. exf4 d4 37. Rd1 Rad8 38. Rc4 d3 39. Bf3 Nh4 40. Bxh4 (40. Bh5 )Qxh4 41. Qf2 Qxf2+ 42. Kxf2 Be6 (42... d2 )43. Rc3 d2 { aiming for ...Bb3.} 44. Ke3 f6 45. Rxd2 fxe5 46. fxe5 Rxd2 47. Kxd2 Bd5 (47... Ra8 )48. Bxd5+ cxd5 { Endgame KR-KR} 49. Rc7 Rxe5 50. Rxb7 Rf5 51. Ke3 Re5+ 52. Kd4 Rg5 53. g4 h5 54. gxh5 Rxh5 55. Kc5 Rxh3 (55... Kf8 56. Rb4 Ke7 57. Rxa4 d4+ 58. Kc4 Rxh3 )56. Kxd5 {White is clearly winning.} Kf8 57. Kc5 Ke8 58. Rb4 Rh5+ 59. Kb6 Rh2 60. Kb5 {Accuracy: White = 57%, Black = 37%.} 1-0