[Event "World Open 2018"] [Site "Phildelphia"] [Date "2018.07.06"] [Round "5"] [White "Yan, Henry"] [Black "Lee, Daniel"] [Result "1-0"] [WhiteElo "1650"] [BlackElo "1450"] [Variant "Standard"] [TimeControl "-"] [ECO "D12"] [Opening "Slav Defense: Quiet Variation, Schallopp Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. c4 c6 { D12 Slav Defense: Quiet Variation, Schallopp Defense } 5. cxd5 cxd5 6. Qb3 Bc8?! { (-0.07 → 0.50) Inaccuracy. Qc7 was best. } (6... Qc7 7. Nc3 e6 8. Nh4 Be4 9. f3 Bg6 10. Nxg6 hxg6 11. Bd3) 7. Nc3 e6 8. Ne5 Qb6 9. Qxb6 axb6 10. Nb5 Bb4+ 11. Bd2 Bxd2+ 12. Kxd2 Ne4+ 13. Ke1 O-O 14. f3 Nf6 15. Bd3 Nc6 16. Kd2 Nd7 17. f4 Ndxe5 18. dxe5 f6 19. exf6 Rxf6 20. a3 Bd7 21. Raf1 Na5 22. Nd4 Ba4 23. Rc1?! { (0.97 → 0.00) Inaccuracy. Rhg1 was best. } (23. Rhg1) 23... Rf7?! { (0.00 → 1.10) Inaccuracy. e5 was best. } (23... e5 24. fxe5 Rf2+ 25. Be2 Rxg2 26. Rcg1 Nc4+ 27. Kc3 Rxg1 28. Rxg1 Nxe5 29. Nf5 g6 30. Ne7+) 24. Rc3 Re7 25. Rhc1 Rae8 26. b4 Nc6 27. b5 Nb8?? { (1.56 → 4.06) Blunder. Nxd4 was best. } (27... Nxd4 28. exd4 g6 29. Rc8 Kf7 30. Rxe8 Rxe8 31. Rc7+ Re7 32. Rc8 Re8 33. Rc1 Bb3 34. g3) 28. Rc7 Rd7?! { (3.79 → 4.90) Inaccuracy. Kf7 was best. } (28... Kf7 29. Bxh7 Kf6 30. g4 g6 31. g5+ Kg7 32. Rxe7+ Rxe7 33. Bg8 Bxb5 34. Rc8 Re8 35. Bxe6) 29. Nf3 Bb3?! { (4.73 → 6.80) Inaccuracy. Kf8 was best. } (29... Kf8 30. Ne5 Rxc7 31. Rxc7 Re7 32. Rc1 g6 33. Rb1 Nd7 34. Nxd7+ Rxd7 35. Rb4 Bxb5 36. Rxb5) 30. Ne5 Rxc7 31. Rxc7 d4 32. e4 Rd8 33. Rxb7 Kf8 34. Rxb6 Nd7 35. Rd6 Ke8 36. Nxd7 Rxd7 37. Rxd7 Kxd7 38. e5 Kc7?! { (5.69 → 7.87) Inaccuracy. h6 was best. } (38... h6 39. Be2 Ba4 40. Bc4 g5 41. fxg5 hxg5 42. Kd3 Kc7 43. Kxd4 Kb6 44. Bxe6 Bxb5 45. Bc4) 39. Bxh7 Kb6 40. Bd3 g6?! { (7.14 → 19.60) Inaccuracy. Bd5 was best. } (40... Bd5 41. g4) 41. Bxg6 Kxb5 42. h4 Ka4 43. h5 Kxa3?! { (55.79 → Mate in 10) Checkmate is now unavoidable. Kb5 was best. } (43... Kb5 44. h6 Kc6 45. h7 Bd5 46. h8=Q Kc7 47. Qf8 Kb7 48. Qd8 Bxg2 49. Qd7+ Ka8 50. Qxe6) 44. h6 Bd5 45. h7 Bxg2 46. h8=Q Kb3 47. Qd8 Bd5 48. Kd3 Bc4+ 49. Kxd4 Bd5 50. Qb8+ Ka3 51. Kc3 Ka4 52. Qb4# { White wins by checkmate. } 1-0