[Event "US Open-62"]
[Site "San Francisco"]
[Date "1961.08.18"]
[Round "5"]
[White "Simon, Leslie M"]
[Black "Gersch, Charles"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "104"]
[EventDate "1961.08.14"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Nb3 a6 9. Be2 Bf5 10. Bf4 Qd7 11. Nc3 Bb4 12. 0-0 Bxc3 13. bxc3 Nxc3 14. Qd2 Nxe2+ 15. Qxe2 b6 16. Rad1 0-0 17. Rd2 Rfd8 18. Rfd1 Qe6 19. h3 h6 20. Kh2 a5 21. a4 Rd7 22. g4 Bg6 23. Bg3 Rad8 24. f4 Be4 25. c3 f5 26. Bh4 Rf8 27. g5 hxg5 28. Bxg5 Nxe5 29. Nd4 Qe8 30. Qf2 Nf7 31. Rg1 Nxg5 32. Rxg5 Rf6 33. Qg3 c5 34. Nb5 g6 35. Rd1 Rh7 36. Rg1 Kg7 37. Qe3 Qf7 38. R1g3 Rh6 39. Qd2 Rc6 40. Qb2 Qf6 41. Rg1 d4 42. cxd4 cxd4 43. Rc1 d3 44. Qd2 Rc2 45. Rxc2 dxc2 46. Qd7+ Qf7 47. Qd4+ Kh7 48. Rg1 g5 49. fxg5 Rxh3+ 50. Kxh3 Qh5+ 51. Kg3 Qg4+ 52. Kf2 Qf3+ 0-1

