[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1975.03.03"]
[Round "2"]
[White "Gross, Ronald Joseph"]
[Black "Hillman, Harold E"]
[Result "1/2-1/2"]
[ECO "D31"]
[PlyCount "70"]
[EventDate "1975.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 c5 9. Bxc5 Nd7 10. Ba3 Qxg2 11. Bf3 Qg5 12. Ne2 Ne7 13. Rg1 Qf6 14. Nc3 Ne5 15. Bh1 N5g6 16. Ne4 Qe5 17. Qd6 Nf5 18. 0-0-0 Nxd6 19. Nxd6+ Ke7 20. Ne4+ Ke8 21. Nd6+ Ke7 22. Nxc8+ Kf6 23. Nd6 h6 24. Ne4+ Kf5 25. Nd6+ Kf6 26. Ne4+ Kf5 27. Bd6 Qa5 28. Ng3+ Kf6 29. Ne4+ Kf5 30. Ng3+ Kf6 31. Bf3 Ne5 32. Nh5+ Kf5 33. Nxg7+ Kf6 34. Nh5+ Kf5 35. Ng7+ Kf6 1/2-1/2

