[Event "FIN-ch ME qual corr"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Sandvik, Karl"]
[Black "Osterman, Erkki"]
[Result "1-0"]
[ECO "D86"]
[PlyCount "47"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 Nc6 9. 0-0 Qd7 10. Be3 Na5 11. Bd3 b6 12. f4 Bb7 13. Qc2 Rfd8 14. Rad1 e6 15. f5 exf5 16. exf5 c5 17. fxg6 fxg6 18. dxc5 Qc6 19. Nd4 Qxc5 20. Nf5 Qc7 21. Nxg7 Qxg7 22. Bd4 Qh6 23. Qe2 Bd5 24. Qe5 1-0

[Event "FIN-ch ME qual corr"]
[Site "Finland"]
[Date "1980.??.??"]
[Round "?"]
[White "Osterman, Erkki"]
[Black "Koskinen, Erkki"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "40"]
[EventDate "1980.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. dxc5 Nf6 6. Bg5 Bxc5 7. e3 d4 8. exd4 Bxd4 9. Bb5+ Nc6 10. Nge2 Bxf2+ 11. Kxf2 Ng4+ 12. Ke1 Qxg5 13. Qd5 Qxd5 14. Nxd5 0-0 15. Bxc6 bxc6 16. Ne7+ Kh8 17. Nxc6 Re8 18. Ncd4 Ba6 19. Rd1 Rac8 20. Rd2 Rc1+ 0-1

[Event "FIN-ch H qual corr"]
[Site "Finland"]
[Date "1979.??.??"]
[Round "?"]
[White "Osterman, Erkki"]
[Black "Perikanta, Jouko"]
[Result "1-0"]
[ECO "A58"]
[PlyCount "59"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Nbd7 11. Re1 Nb6 12. e4 Nfd7 13. Qc2 Nc4 14. Bf1 Nde5 15. Nxe5 Nxe5 16. Kg2 Qa5 17. Bxa6 Rxa6 18. Bd2 Nc4 19. Re2 Rb8 20. Nd1 Nxd2 21. Qxd2 Qb5 22. Qc2 Ra4 23. Re3 Rb4 24. a4 Qa5 25. Ra2 Rd4 26. b3 Qb4 27. f3 c4 28. bxc4 Rxc4 29. Qe2 Rc5 30. Nf2 1-0

