[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1974.03.21"]
[Round "7"]
[White "Neff, A."]
[Black "Hanken, Jerome B"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "34"]
[EventDate "1974.03.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 5. g3 h5 6. d4 g4 7. Nh4 Be7 8. Bf4 c5 9. e3 Bxh4 10. gxh4 Qxh4+ 11. Kd2 Bf5 12. Bd3 Bxd3 13. cxd3 cxd4 14. Re1 Ne7 15. exd4 Qf2+ 16. Qe2 Qxf4+ 17. Kc2 Nbc6 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "1"]
[White "Chellstorp, Craig V"]
[Black "Neff, A."]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "69"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c6 3. Bg2 Bg4 4. c4 e6 5. Qb3 Qb6 6. Qxb6 axb6 7. d3 Bd6 8. Nc3 Nf6 9. e4 Bxf3 10. Bxf3 d4 11. Ne2 e5 12. 0-0 Nbd7 13. Bd2 Nc5 14. Nc1 0-0 15. Bd1 Nfd7 16. f4 f6 17. a4 b5 18. cxb5 cxb5 19. a5 b6 20. b4 Na6 21. Bb3+ Kh8 22. Bd5 Rad8 23. Bb7 Nxb4 24. a6 Nc5 25. Bxb4 Nxb7 26. axb7 Bxb4 27. fxe5 Ba5 28. Nb3 Rb8 29. exf6 gxf6 30. Nxa5 bxa5 31. Rxa5 Rxb7 32. Rb1 b4 33. Rb3 Rc8 34. Ra4 Rc3 35. Rbxb4 1/2-1/2

