[Event "US Open-80"]
[Site "Chicago"]
[Date "1979.08.01"]
[Round "4"]
[White "Lanni, Diana"]
[Black "Benedek, Roy"]
[Result "1-0"]
[ECO "B40"]
[BlackElo "2117"]
[PlyCount "101"]
[EventDate "1979.07.29"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. d4 e6 3. Nf3 cxd4 4. c3 d5 5. exd5 exd5 6. Nxd4 Nf6 7. Bf4 Be7 8. Bd3 0-0 9. 0-0 Nc6 10. Nxc6 bxc6 11. Nd2 Bg4 12. Qc2 h6 13. Rae1 Bd6 14. Bxd6 Qxd6 15. h3 Be6 16. Nf3 Nd7 17. Nd4 c5 18. Nxe6 fxe6 19. Qe2 c4 20. Bc2 e5 21. Rd1 Nb6 22. Rfe1 Rae8 23. Qe4 Rf6 24. Qh7+ Kf7 25. Re3 Rg8 26. b3 Qc5 27. b4 Qe7 28. a4 Qe8 29. Rg3 Ke6 30. Rxg7 Rxg7 31. Qxg7 Qf7 32. Qg4+ Ke7 33. Qh4 Nd7 34. Bf5 Nf8 35. b5 h5 36. a5 Ke8 37. Bc2 Nd7 38. b6 axb6 39. a6 b5 40. a7 Ra6 41. Qg5 Qe7 42. Qg8+ Qf8 43. Bg6+ Kd8 44. Qxd5 Rxa7 45. Qxb5 Rc7 46. Qb8+ Rc8 47. Qxe5 h4 48. Bf5 Rc7 49. Bxd7 Rxd7 50. Rxd7+ Kxd7 51. Qd5+ 1-0

