[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1975.03.05"]
[Round "5"]
[White "Massengale, T."]
[Black "Driscoll, G."]
[Result "1-0"]
[ECO "E77"]
[PlyCount "55"]
[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 d6 2. c4 g6 3. Nc3 Bg7 4. e4 Nf6 5. f4 0-0 6. Nf3 c5 7. d5 Re8 8. Be2 e6 9. 0-0 exd5 10. e5 dxe5 11. fxe5 Ng4 12. Bg5 Qc7 13. Nxd5 Qd7 14. Bf4 Na6 15. h3 h6 16. hxg4 g5 17. Bh2 Qxg4 18. Ne1 Qh4 19. g3 Qe4 20. Bh5 Rxe5 21. g4 Rxd5 22. Bxf7+ Kh8 23. Qxd5 Bd4+ 24. Rf2 Qxg4+ 25. Ng2 Bf5 26. Be5+ Kh7 27. Bxd4 Be4 28. Bg8+ 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1975.03.04"]
[Round "3"]
[White "Massengale, T."]
[Black "Holcomb, Robert"]
[Result "0-1"]
[ECO "A93"]
[PlyCount "54"]
[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 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. 0-0 0-0 6. c4 d5 7. b3 b6 8. Nc3 Bb7 9. Ne5 Nbd7 10. Nd3 Ne4 11. Bb2 Bf6 12. e3 c5 13. f3 cxd4 14. Nxe4 dxe4 15. fxe4 dxe3 16. Qe2 Bxe4 17. Bxe4 fxe4 18. Bxf6 Nxf6 19. Nf4 Qd2 20. Rfe1 e5 21. Ng2 Rad8 22. Nxe3 Rd3 23. Nf1 Qc3 24. Rac1 Qd4+ 25. Kh1 h5 26. Rc2 Ng4 27. Kg2 Rf2+ 0-1

