[Event "National op"]
[Site "Chicago"]
[Date "1988.??.??"]
[Round "?"]
[White "Osterlund, Russ"]
[Black "Younkle, D."]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "100"]
[EventDate "1988.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Bg2 Be7 5. e4 d6 6. Nge2 Be6 7. b3 0-0 8. d4 Qc8 9. 0-0 Bh3 10. Bb2 Bxg2 11. Kxg2 Qg4 12. f3 Qg6 13. d5 c5 14. Qd3 Nbd7 15. f4 exf4 16. Nxf4 Qh6 17. Nce2 Ng4 18. Rh1 Bg5 19. h4 Bf6 20. Bc3 Rfe8 21. Rae1 Be5 22. Bd2 Qf6 23. Rhf1 Qe7 24. Kh3 Ndf6 25. Ng1 Bd4 26. Nf3 Nf2+ 27. Rxf2 Bxf2 28. Re2 Nxe4 29. Kg2 f5 30. Rxf2 Nxf2 31. Kxf2 Qd7 32. Ng5 a6 33. Nge6 g6 34. Qc3 b5 35. Bc1 h6 36. Bb2 Qh7 37. Ng7 Re7 38. Nfe6 b4 39. Qf3 Raa7 40. g4 Rxg7 41. Bxg7 Rxg7 42. Nxg7 Qxg7 43. gxf5 Qb2+ 44. Kg3 Qe5+ 45. Kg4 Qxf5+ 46. Qxf5 gxf5+ 47. Kxf5 Kf7 48. h5 a5 49. Kg4 Kf6 50. Kf4 Ke7 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1980.??.??"]
[Round "?"]
[White "Younkle, D."]
[Black "Spigel, David E"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "58"]
[EventDate "1980.??.??"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Bd3 Be7 6. Nc3 0-0 7. Nge2 Nbd7 8. 0-0 dxc4 9. Bxc4 Nb6 10. Bd3 Nbd5 11. a3 b6 12. Be3 Bb7 13. Rc1 Nxe3 14. fxe3 Ng4 15. Qd2 g6 16. Nf4 c5 17. d5 Bf6 18. Kh1 Bxc3 19. bxc3 Bxd5 20. Bxg6 fxg6 21. Qxd5+ Qxd5 22. Nxd5 Rae8 23. Rf3 Re5 24. e4 Nf2+ 25. Kg1 Nxe4 26. Rxf8+ Kxf8 27. c4 Nd6 28. Nf6 Kg7 29. Ng4 Re4 0-1

