[Event "US Open-84"]
[Site "Pasadena"]
[Date "1983.08.10"]
[Round "4"]
[White "Root, Douglas"]
[Black "Lemon, Robert"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2395"]
[PlyCount "143"]
[EventDate "1983.08.07"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. Qa4 Qd7 5. dxc6 Nxc6 6. Nf3 e5 7. d3 Bc5 8. Be2 Ng4 9. 0-0 f5 10. Nc3 0-0 11. h3 Nf6 12. Be3 Bxe3 13. fxe3 e4 14. dxe4 fxe4 15. Ne1 Qc7 16. c5 Qe5 17. Rd1 Bd7 18. Nb5 Kh8 19. Qb3 Qg3 20. Nd6 Ne5 21. Rxf6 gxf6 22. Nxe4 Qg6 23. Nf2 Bc6 24. Bd3 Nxd3 25. Qxd3 Qg3 26. e4 Qf4 27. Qf3 Qg5 28. Qf5 Rfe8 29. Qxg5 fxg5 30. Nf3 h6 31. Rd6 Kg7 32. Nd4 h5 33. Ne6+ Kf6 34. Nc7+ Ke5 35. Nxa8 Rxa8 36. Rg6 Kf4 37. Rf6+ Ke3 38. e5 Kd4 39. Rf5 g4 40. hxg4 hxg4 41. Nxg4 Kxc5 42. Nf6 Rd8 43. g4 Rd2 44. Rf2 Rd1+ 45. Kh2 Re1 46. Rf5 Re2+ 47. Kg3 Rxb2 48. Kf4 Rxa2 49. Kg5 Re2 50. Kh6 Kd4 51. g5 Rxe5 52. Rf4+ Ke3 53. Rf1 Ke2 54. Rg1 Bb5 55. g6 Bc4 56. Rc1 Bb3 57. Rb1 Re3 58. Nh5 Bc4 59. Rxb7 a5 60. Rc7 Bb3 61. g7 Kd3 62. Rb7 Bc4 63. Ra7 Re5 64. Kg6 Kd4 65. Ng3 Kc3 66. Kf6 Re3 67. Nf5 Re6+ 68. Kg5 Re5 69. Kf4 Rc5 70. Nd6 Bd5 71. Ne4+ Kb4 72. Nxc5 1-0

