[Event "FIN-ch UKM/A13 corr"]
[Site "Finland"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskinen, Ari Matti"]
[Black "Harju, Antero"]
[Result "1-0"]
[ECO "C71"]
[PlyCount "39"]
[EventDate "1986.??.??"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. c3 dxc3 9. Qd5 Be6 10. Qc6+ Bd7 11. Qd5 Be6 12. Qc6+ Ke7 13. Nxc3 Nf6 14. e5 dxe5 15. Be3 Nd7 16. Bg5+ Nf6 17. Rd1 Bd7 18. Nd5+ Ke8 19. Nxc7+ Ke7 20. Qd6# 1-0

[Event "FIN corr"]
[Site "Finland"]
[Date "1973.??.??"]
[Round "?"]
[White "Koskinen, Ari Matti"]
[Black "Railavuo, Kari"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "65"]
[EventDate "1973.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 Bd7 5. f4 e6 6. Nf3 c5 7. Nc3 Nc6 8. Be3 cxd4 9. Bxd4 Bb4 10. Qd3 Nge7 11. h4 Qa5 12. h5 Nxd4 13. Nxd4 Bxc3+ 14. bxc3 Rc8 15. Kd2 a6 16. Be2 Nc6 17. a4 Nxd4 18. Qxd4 0-0 19. Rhb1 Rc7 20. Rb4 Rfc8 21. Bd3 b5 22. g5 bxa4 23. f5 Rxc3 24. Rab1 R3c5 25. Ke3 Bb5 26. g6 Bxd3 27. cxd3 fxg6 28. hxg6 Qd8 29. gxh7+ Kh8 30. f6 gxf6 31. exf6 Qd6 32. Rg1 e5 33. Rg8+ 1-0

[Event "FIN corr"]
[Site "Finland"]
[Date "1971.??.??"]
[Round "?"]
[White "Koskinen, Ari Matti"]
[Black "Lempiaeinen, Heimo"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "47"]
[EventDate "1971.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 0-0 6. Bg5 h6 7. Bh4 g5 8. Bg3 d6 9. Qd2 Nh5 10. h4 Nxg3 11. fxg3 Nd4 12. hxg5 hxg5 13. Nd5 c6 14. Rh5 Ne6 15. Nxg5 cxd5 16. Bxd5 Bf2+ 17. Kxf2 Qf6+ 18. Nf3 Rd8 19. Rah1 Kf8 20. Rh6 Qg7 21. Rh7 Qg6 22. R1h6 Qg4 23. Rf6 Bd7 24. Qh6+ 1-0

