[Event "Heitmann mem corr9094"]
[Site "corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Korolev, Sergey Ivanovich"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "47"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. g3 d5 3. exd5 Qxd5 4. Nf3 Bg4 5. Bg2 Qe6+ 6. Kf1 Bh3 7. b4 cxb4 8. a3 b3 9. Nc3 Nf6 10. Rb1 Nc6 11. Rxb3 Qd7 12. Qe2 0-0-0 13. d4 Bxg2+ 14. Kxg2 e6 15. Bf4 Bd6 16. Bxd6 Qxd6 17. Rhb1 Rd7 18. Nb5 Qd5 19. c4 Qe4 20. Qb2 b6 21. Re3 Qf5 22. Ne5 Nxe5 23. Rxe5 Qg6 24. Rc5+ 1-0

[Event "Heitmann mem corr9094"]
[Site "corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Khasin, Abram Iosifovich"]
[Result "0-1"]
[ECO "A15"]
[PlyCount "48"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 e5 5. d3 Ne7 6. Nbd2 Nbc6 7. c4 0-0 8. cxd5 Nxd5 9. a3 h6 10. Rb1 Bg4 11. h3 Be6 12. Qc2 Qd7 13. Kh2 Nd4 14. Nxd4 exd4 15. Nf3 Rad8 16. Bd2 Rfe8 17. Rfe1 f5 18. e4 dxe3 19. fxe3 Ne7 20. d4 Bd5 21. Nh4 g5 22. Bxd5+ Qxd5 23. Ng2 Nc6 24. Rf1 Nxd4 0-1

[Event "Silli mem corr8690"]
[Site "Italy"]
[Date "1990.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Oesterman, Georg"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "62"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "ITA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 Nd7 5. cxd5 cxd5 6. Nc3 e6 7. Qa4 Ngf6 8. Ne5 Bf5 9. g4 Bc2 10. Nxf7 Kxf7 11. Qxc2 Nxg4 12. Nxd5 Qh4 13. Qc7 Qxf2+ 14. Kd1 Ke8 15. Qxb7 Rb8 16. Qc6 exd5 17. Qe6+ Be7 18. Qxg4 Nf6 19. Qh3 Rf8 20. Qg3 Qb6 21. d3 Rd8 22. Qe5 Rf7 23. Bf3 Kf8 24. Bd2 Ne4 25. Bxe4 Bf6 26. Qxd5 Rxd5 27. Bxd5 Rc7 28. Rb1 Qd4 29. Bb3 Qf2 30. Bd5 Qd4 31. Bb3 Qf2 1/2-1/2

[Event "Heitmann mem corr9094"]
[Site "corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Tikkanen, Kari"]
[Result "0-1"]
[ECO "E15"]
[PlyCount "72"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. d4 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. 0-0 d5 9. Bc3 0-0 10. Ne5 Nfd7 11. Nxd7 Nxd7 12. Nd2 Rc8 13. e4 b5 14. Re1 dxc4 15. bxc4 bxc4 16. Qa4 Bb5 17. Qc2 Qc7 18. a4 Ba6 19. Qa2 e5 20. Nxc4 Bf6 21. dxe5 Nxe5 22. Nxe5 Bxe5 23. Rac1 c5 24. Re3 Rfd8 25. Bxe5 Qxe5 26. Rf3 c4 27. Rfc3 Rd4 28. h3 Rcd8 29. R3c2 h5 30. h4 g5 31. hxg5 h4 32. g6 fxg6 33. Qa3 Rd1+ 34. Rxd1 Rxd1+ 35. Bf1 Qxe4 36. Rc1 Bb7 0-1

[Event "FIN-ch corr"]
[Site "Finland"]
[Date "1988.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Huuskonen, Veli Matti"]
[Result "1-0"]
[ECO "C09"]
[PlyCount "69"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. Bg5 0-0 11. Bh4 Qc7 12. Bg3 Bxg3 13. hxg3 Bg4 14. Re1 f5 15. Bxc6 bxc6 16. Qe2 Bxf3 17. gxf3 Rae8 18. Nc5 Ng6 19. Qxe8 Rxe8 20. Rxe8+ Kf7 21. Rae1 Qb6 22. Nd3 Qb5 23. Ra8 Qa4 24. f4 Qxa2 25. Rb8 Qc4 26. b4 h5 27. Nc5 h4 28. Nb7 Kf6 29. Nd6 Qc3 30. Rbe8 Nxf4 31. gxf4 Kg6 32. R1e6+ Kh5 33. Nxf5 d4 34. Nxh4 Kg4 35. Rg6+ 1-0

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Anton, Volker Michael"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "E41"]
[PlyCount "83"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. h3 h6 10. 0-0 Qc7 11. Qe2 0-0 12. Rb1 Re8 13. d5 Ne7 14. Kh2 Ng6 15. g3 Bd7 16. Ng1 Re7 17. Qf3 Nh7 18. Qg2 Rae8 19. f4 exf4 20. gxf4 Kh8 21. Nf3 Rg8 22. Rg1 Qc8 23. Bd2 b6 24. Rbe1 a6 25. Qf1 b5 26. e5 Bf5 27. e6 Bxd3 28. Qxd3 Ngf8 29. f5 Nf6 30. Bf4 Qd8 31. Nd2 N8h7 32. Rb1 Nh5 33. Qf3 Nxf4 34. Qxf4 Nf6 35. Ne4 Nxe4 36. Qxe4 fxe6 37. dxe6 Rf8 38. Rg6 bxc4 39. Qf4 Kh7 40. Qg4 d5 41. Rg1 Kh8 42. Rg3 1-0

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Baumbach, Fritz"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "25"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 d5 8. Ne5 Nxc3 9. Bxc3 0-0 10. 0-0 c6 11. cxd5 cxd5 12. b4 Nd7 13. Nd3 1/2-1/2

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Bryson, Douglas Marshall"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "61"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 0-0 8. Be2 Nbd7 9. Bf3 Nb6 10. Nge2 Bf5 11. 0-0 a5 12. d6 exd6 13. Bxb7 Rb8 14. Bf3 h6 15. Qd1 d5 16. Ng3 Be6 17. Bf4 Rc8 18. Rc1 Qd7 19. Be2 Ne8 20. Ba6 Rd8 21. Bb5 Qe7 22. Bxe8 Rfxe8 23. Nb5 Qb4 24. Nc7 Re7 25. b3 a4 26. Rc6 axb3 27. axb3 Qa5 28. Nxe6 Rxe6 29. Rxe6 fxe6 30. Qg4 Kf7 31. Qf3 1-0

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "D'Adamo, Ettore"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2435"]
[BlackElo "2420"]
[PlyCount "73"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. Nf3 Bf5 8. Qe2 e6 9. Bg5 Bg4 10. 0-0-0 Be7 11. h3 Bxf3 12. Qxf3 Nd5 13. Bxe7 Qxe7 14. Kb1 Rd8 15. Qe4 b5 16. Bd3 a5 17. c3 Qd6 18. g3 b4 19. c4 Nf6 20. Qe5 c5 21. Qxc5 Qxc5 22. dxc5 Rc8 23. c6 Rxc6 24. Rhe1 Ke7 25. Re5 Ra8 26. Be4 Nxe4 27. Rxe4 Rd8 28. Rxd8 Kxd8 29. Kc2 Rc5 30. Kb3 Ke7 31. a3 bxa3 32. Kxa3 Kd6 33. f4 g5 34. Ka4 h6 35. b4 axb4 36. Kxb4 Rf5 37. Rd4+ 1/2-1/2

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Gudyev, Mladen"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "47"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Bd2 Qc7 12. 0-0-0 Nbd7 13. Nh3 g5 14. Ne1 b6 15. f4 g4 16. Nf2 h5 17. f5 e5 18. Bg5 Bxf2 19. Qxf2 Bb7 20. Bb5 Bc6 21. Bxf6 Nxf6 22. Bxc6+ Qxc6 23. Nd3 e4 24. Nb4 1-0

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Hintikka, Eero"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "B30"]
[PlyCount "72"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 Nd4 5. Nxd4 cxd4 6. Nb1 Ne7 7. c3 Nc6 8. Qg4 g6 9. Bxc6 dxc6 10. e5 c5 11. d3 Bg7 12. Qg3 b5 13. 0-0 Bb7 14. Re1 Qd5 15. Bg5 h6 16. Bf6 Bxf6 17. exf6 Rd8 18. a4 a6 19. axb5 axb5 20. Ra7 0-0 21. Re5 Qc6 22. c4 bxc4 23. dxc4 Ra8 24. Ra3 Rxa3 25. bxa3 Ra8 26. h4 Kh7 27. h5 Rg8 28. Nd2 Qa4 29. Rxc5 Qd1+ 30. Kh2 gxh5 31. Qd3+ Kh8 32. f3 Qe1 33. Ne4 Bxe4 34. fxe4 Qh4+ 35. Kg1 Qe1+ 36. Kh2 Qh4+ 1/2-1/2

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Burger, Heinrich"]
[Result "0-1"]
[ECO "D86"]
[PlyCount "76"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[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 Qd7 9. 0-0 b5 10. Bd3 c5 11. Be3 c4 12. Bc2 Na6 13. Rb1 Nc7 14. Qd2 Re8 15. f4 f5 16. Ng3 Rf8 17. Rbe1 Bb7 18. Kh1 e6 19. Bg1 a5 20. Re2 Rab8 21. Rd1 b4 22. cxb4 axb4 23. Qxb4 Bxe4 24. Qxc4 Bd5 25. Qa4 Qd6 26. Qa5 Qxf4 27. a4 Ne8 28. Qe1 Qg4 29. Nf1 Bh6 30. Rd3 Ng7 31. Rf2 Rfc8 32. Ne3 Bxe3 33. Qxe3 f4 34. Qe5 Rb2 35. Rdd2 f3 36. h3 Qh4 37. Kh2 Qh6 38. gxf3 Rc3 0-1

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Gasiorowski, Ryszard"]
[Result "1/2-1/2"]
[ECO "A79"]
[PlyCount "58"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 0-0 7. Be2 e6 8. 0-0 exd5 9. cxd5 Re8 10. Nd2 Na6 11. f3 Nc7 12. a4 b6 13. Nc4 Ba6 14. Bg5 h6 15. Be3 Bxc4 16. Bxc4 a6 17. Qd2 Kh7 18. Rfe1 Nd7 19. Bf1 Rb8 20. Rab1 b5 21. b4 c4 22. Bd4 Nf6 23. Kh1 Re7 24. Ra1 Qh8 25. axb5 Nxb5 26. Nxb5 axb5 27. Ra5 Rbb7 28. Bf2 Rec7 29. Ra6 Nd7 1/2-1/2

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Karker, Norbert"]
[Result "0-1"]
[ECO "D87"]
[PlyCount "60"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. d5 Na5 12. Bd3 c4 13. Bc2 Bxc3 14. Rb1 Bg7 15. f3 Bd7 16. f4 b6 17. e5 Bg4 18. Re1 Rc8 19. Qd4 Qd7 20. Nc3 Rfd8 21. Be4 f6 22. Bf2 fxe5 23. fxe5 Nc6 24. Qxc4 Nxe5 25. Qb3 Nd3 26. Bxd3 Rxc3 27. Qb5 Qxd5 28. Qxd5+ Rxd5 29. Be4 Rd2 30. h3 Bf5 0-1

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Kaunonen, Kalevi"]
[Result "1-0"]
[ECO "A65"]
[PlyCount "61"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[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 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 e6 8. Qd2 exd5 9. cxd5 Re8 10. f3 a6 11. a4 Qa5 12. Bf4 Bf8 13. Ra3 Nh5 14. Be3 Qd8 15. g4 Ng7 16. Nh3 Nd7 17. 0-0 Ne5 18. Nf2 f5 19. gxf5 gxf5 20. Kh1 Kh8 21. Rg1 Ng6 22. Raa1 Be7 23. a5 Bd7 24. Nd3 Bf6 25. Bg5 Rf8 26. Rg2 Bxg5 27. Rxg5 f4 28. Rag1 c4 29. Nxf4 Rxf4 30. Rxg6 Rh4 31. R6g2 1-0

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Kondali, Jovan"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "106"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Qc2 c6 9. Be3 Ng4 10. Bg5 f6 11. Bd2 f5 12. exf5 exd4 13. Bg5 Qc7 14. Nxd4 Bxd4 15. Bxg4 Ne5 16. Be2 Rxf5 17. Bh4 Be6 18. Bg3 a6 19. Rad1 c5 20. b3 Raf8 21. Ne4 Qc6 22. Kh1 d5 23. cxd5 Bxd5 24. f3 b5 25. Nc3 Be6 26. f4 b4 27. Ne4 Bd5 28. fxe5 Bxe4 29. Bc4+ Kg7 30. Qe2 Bxe5 31. Rxf5 Rxf5 32. Bd3 Bxd3 33. Bxe5+ Kf7 34. Rxd3 Qe4 35. Rd7+ Ke8 36. Qd1 Rxe5 37. Rd8+ Kf7 38. Rd7+ Re7 39. h3 Qe6 40. Rxe7+ Kxe7 41. Qd2 h5 42. Qg5+ Kd6 43. Qd8+ Ke5 44. Qg5+ Qf5 45. Qe3+ Kd5 46. Qe2 Kd4 47. Qxa6 Ke3 48. Kg1 g5 49. Qc4 g4 50. Qc1+ Ke2 51. hxg4 hxg4 52. Qc4+ Kd2 53. Qa6 g3 0-1

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Meleghegyi, Csaba"]
[Result "0-1"]
[ECO "E04"]
[PlyCount "94"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. Qc2 c5 7. Qxc4 Bc6 8. 0-0 Nbd7 9. Bg5 Rc8 10. Bxf6 gxf6 11. Nc3 b5 12. Qd3 c4 13. Qe3 Nb6 14. a3 Nd5 15. Nxd5 Bxd5 16. Nh4 Bg7 17. Nf5 Kf8 18. Nxg7 Kxg7 19. Qc3 Bxg2 20. Kxg2 Qd5+ 21. f3 Rhd8 22. Rad1 e5 23. e4 exd4 24. exd5 dxc3 25. bxc3 Rc5 26. d6 Rc6 27. Rd5 Rdxd6 28. Rxb5 Rd3 29. Rc1 Rd2+ 30. Kh3 Rf2 31. f4 Ra6 32. Rd1 Rxa3 33. Rd7 Rxc3 34. Rbb7 Kg6 35. Rxf7 Rcc2 36. Rg7+ Kf5 37. Rb5+ Ke4 38. Kg4 Rxf4+ 39. Kh3 Rff2 40. Re7+ Kd4 41. Rd7+ Kc3 42. Rxa7 h5 43. Rxh5 Rxh2+ 44. Kg4 Rxh5 45. Kxh5 Rf2 46. Kg6 Kb2 47. Rc7 c3 0-1

[Event "FIN corr"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Paananen, Jari"]
[Result "1-0"]
[ECO "E17"]
[PlyCount "31"]
[EventDate "1987.??.??"]
[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. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. d5 exd5 8. Nh4 c6 9. cxd5 Nxd5 10. Nf5 Nf6 11. e4 d5 12. Nc3 dxe4 13. Bg5 h6 14. Qc1 hxg5 15. Qxg5 g6 16. Bxe4 1-0

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Piuva, Matti"]
[Result "1/2-1/2"]
[ECO "D87"]
[PlyCount "138"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. d5 Na5 12. Bd3 c4 13. Bc2 Bxc3 14. Rb1 Bg7 15. f3 Bd7 16. f4 b5 17. e5 a6 18. Nc3 Rc8 19. Qe1 Nb7 20. a4 Nc5 21. axb5 axb5 22. Nxb5 Bf5 23. Bxf5 gxf5 24. Bxc5 Rxc5 25. Nc3 e6 26. Qe3 Qc8 27. d6 Ra5 28. Rfd1 Rd8 29. Rb5 Rxb5 30. Nxb5 Qc6 31. Nc7 c3 32. Rc1 Qa4 33. Rxc3 Rxd6 34. Rc1 Rd1+ 35. Kf2 Qa2+ 36. Kg3 Rd2 37. Qf3 Rxg2+ 38. Qxg2 Qa3+ 39. Qf3 Qxc1 40. Ne8 Qg1+ 41. Kh3 Qg6 42. Qg3 h6 43. Nc7 Qh5+ 44. Kg2 Kh7 45. Ne8 Bh8 46. Qf3 Qg4+ 47. Qxg4 fxg4 48. Kg3 h5 49. h3 gxh3 50. Kxh3 Kh6 51. Nd6 Kg6 52. Kg3 Bg7 53. Ne4 Bh6 54. Nf2 Bf8 55. Nh3 Be7 56. Kf3 Kf5 57. Nf2 Bf8 58. Ne4 Bh6 59. Nd6+ Kg6 60. Ne4 Bf8 61. Ng5 Be7 62. Ne4 Bb4 63. Ng5 Bc3 64. Ne4 Bd4 65. Nd6 Bg1 66. Ne4 Bb6 67. Ng5 Bd8 68. Ne4 Be7 69. Kg3 Bd8 1/2-1/2

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Raty, Sakari"]
[Result "0-1"]
[ECO "D86"]
[PlyCount "28"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[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 b6 8. Qf3 0-0 9. Ne2 Nc6 10. 0-0 Bb7 11. Rd1 Ne5 12. Bxf7+ Rxf7 13. Qg3 Bxe4 14. Bf4 Nc4 0-1

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Smrcka, Frantisek"]
[Result "0-1"]
[ECO "D87"]
[PlyCount "86"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 Bg4 11. d5 Na5 12. Bd3 c4 13. Bc2 Bxc3 14. Rb1 Bg7 15. f3 Bd7 16. f4 b5 17. e5 a6 18. Nc3 Rc8 19. Qe1 Rb8 20. Ba7 Rb7 21. Bc5 Re8 22. Qf2 f5 23. Rfd1 e6 24. dxe6 Rxe6 25. a4 Qe8 26. g4 Qf7 27. gxf5 gxf5 28. axb5 axb5 29. Nd5 Re8 30. Bd6 Kh8 31. Qh4 Nc6 32. Nc3 b4 33. Ba4 b3 34. Qf2 Ne7 35. Bxd7 Rxd7 36. Qf3 Red8 37. Rdc1 Nc8 38. Ba3 Rd2 39. Nb5 R8d3 40. Qc6 Qh5 41. Qxc8+ Rd8 42. Qxd8+ Rxd8 43. Nd6 Bxe5 0-1

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Van Perlo, Gerardus C"]
[Result "1-0"]
[ECO "E99"]
[PlyCount "69"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 11. g4 Nf6 12. Nd3 c6 13. Be3 f4 14. Bf2 g5 15. Kg2 h5 16. h3 cxd5 17. cxd5 Ng6 18. Rc1 Nh4+ 19. Bxh4 gxh4 20. Qb3 Bh6 21. Rg1 hxg4 22. hxg4 Nxg4 23. Nb5 Kh8 24. Kh1 h3 25. Nc7 Qh4 26. Nxa8 h2 27. Rg2 Ne3 28. Rxh2 Bh3 29. Bf1 Nxf1 30. Rxf1 Rg8 31. Qc2 Qh5 32. Nc7 Rg3 33. Qf2 Bg5 34. Ne6 Bh4 35. Ndxf4 1-0

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Webb, Simon"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2420"]
[BlackElo "2625"]
[PlyCount "98"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 0-0 7. 0-0 c6 8. Qc2 Nbd7 9. Rd1 b6 10. a4 Ba6 11. b3 Ne4 12. Bf4 g5 13. Bc1 f5 14. Nbd2 g4 15. Ne1 c5 16. Nxe4 fxe4 17. Bb2 cxd4 18. Bxd4 Nf6 19. Qd2 Qe8 20. cxd5 exd5 21. Rac1 Qh5 22. Bf1 Bd6 23. Ng2 Bb7 24. Nf4 Qf5 25. Bg2 Rae8 26. a5 Nd7 27. Be3 Nc5 28. Qa2 Ne6 29. Nxe6 Rxe6 30. Rc2 Be5 31. b4 d4 32. Bf4 Rd8 33. axb6 axb6 34. Rcd2 Bg7 35. Rc1 Qd5 36. h3 h5 37. h4 Rd7 38. Qxd5 Bxd5 39. b5 Kf7 40. Kf1 Re8 41. Rdc2 Be5 42. Bd2 Ra7 43. Be1 Bd6 44. Rd2 Ra4 45. Rb2 Bc5 46. Bd2 Rea8 47. Rbb1 Ra2 48. Bf4 R8a4 49. Bc7 d3 0-1

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Letic, Stevan"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "50"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 c5 9. e4 Nd7 10. Bf4 cxd4 11. cxd4 Rc8 12. Qb3 Be7 13. Nd2 0-0 14. Bd3 Bf6 15. e5 Bg5 16. Bg3 Bxg2 17. Rg1 Bd5 18. Qb1 f5 19. exf6 Nxf6 20. Be5 Bh6 21. f4 Nd7 22. Rg4 Nxe5 23. fxe5 Bxd2+ 24. Kxd2 Rf2+ 25. Ke3 Qf8 0-1

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Morozov, Igor Anatolyevich"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "87"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 e6 12. Bf4 Bd6 13. Qe2 Nd7 14. Bxe6 Bxe5 15. Bxd7+ Qxd7 16. Qxe5+ Qe7 17. Qxe7+ Kxe7 18. Kd2 Kd7 19. g5 Rae8 20. Be5 Rhg8 21. Rhg1 Bf5 22. h4 g6 23. Rge1 Re6 24. c4 Rge8 25. f4 Rc8 26. Re3 Rd8 27. Ra3 a6 28. Ke3 Ke8 29. b4 Rc8 30. Ra5 Re7 31. Re1 Bg4 32. Kd2 Bf5 33. Kc3 Bg4 34. a4 Bf5 35. d5 cxd5 36. Rxd5 Be6 37. Rd4 Rd7 38. c5 Rxd4 39. Kxd4 Kd7 40. Bd6 Re8 41. b5 axb5 42. axb5 Ra8 43. h5 Ra2 44. h6 1-0

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Nesis, Gennady Efimovich"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "E13"]
[WhiteElo "2600"]
[BlackElo "2410"]
[PlyCount "83"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Nd2 Nbd7 10. f3 Qe7 11. Bd3 e5 12. e4 Nf8 13. Nf1 Ng6 14. Bf2 Nf4 15. Ne3 Nxd3+ 16. Qxd3 Qd7 17. 0-0 Qa4 18. Rfb1 0-0 19. Rb5 Ba6 20. dxe5 dxe5 21. Rxe5 Rfd8 22. Qe2 Ne8 23. Rb1 Nd6 24. Rb4 Qd7 25. Rd5 c6 26. Rd2 Qe7 27. Ra4 Bc8 28. c5 bxc5 29. Nf1 Nb5 30. Rxd8+ Qxd8 31. Rc4 Ba6 32. Rxc5 Nc7 33. Qd2 Qe8 34. Ne3 Rd8 35. Qe1 Qd7 36. h3 Bd3 37. Nf5 Kh7 38. Be3 Ne6 39. Qh4 Bb5 40. Nxh6 gxh6 41. Qxh6+ Kg8 42. Rh5 1-0

[Event "FIN jub25-A corr8792"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Nienhuis, Kier H"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "E59"]
[PlyCount "65"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "15"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 Nc6 8. a3 Bxc3 9. bxc3 Qc7 10. h3 dxc4 11. Bxc4 e5 12. Bb2 e4 13. Nd2 Ne7 14. Be2 cxd4 15. cxd4 Be6 16. Qb1 Bd5 17. Rc1 Qd7 18. a4 Rfc8 19. Bc3 Rc7 20. Qb2 Rac8 21. Bb5 Bc6 22. d5 Bxb5 23. Bxf6 Rxc1+ 24. Rxc1 Rxc1+ 25. Qxc1 gxf6 26. Nxe4 Nxd5 27. axb5 Qxb5 28. Qc8+ Kg7 29. Nd6 Qc6 30. Nf5+ Kg6 31. Nh4+ Kg7 32. Nf5+ Kg6 33. Nh4+ 1/2-1/2

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Soltau, Achim"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "81"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Nxd5 7. Qb3 Nb6 8. Bb5+ Bd7 9. Nf3 Bg7 10. Ne5 0-0 11. Nxd7 N8xd7 12. 0-0 Nf6 13. Rd1 Nfd5 14. Bg5 h6 15. Bh4 Rc8 16. a4 a5 17. Be2 Nb4 18. d5 Qd6 19. Bg3 Be5 20. Ne4 Qc7 21. d6 exd6 22. Nxd6 Bxg3 23. Qxg3 Rcd8 24. Bf3 Nc4 25. Nxc4 Rxd1+ 26. Rxd1 Qxc4 27. h4 Nc6 28. h5 g5 29. Rd6 Qc1+ 30. Kh2 f6 31. b3 Ne5 32. Bxb7 Qc7 33. Bd5+ Kh8 34. Rc6 Qd7 35. Rc5 Ng4+ 36. Kg1 Qf5 37. Rc1 Qxd5 38. Qxg4 Qxb3 39. Qd7 Kg8 40. Qf5 Qxa4 41. g3 1-0

[Event "olm10 fin B3 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Wibe, Terje Paul"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "129"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bc4 Bf5 8. Qe2 e6 9. Bg5 Bg4 10. 0-0-0 Be7 11. h3 Bxf3 12. Qxf3 Nd5 13. Bxe7 Qxe7 14. Kb1 Rd8 15. Qe4 b5 16. Bd3 a5 17. c3 Qd6 18. Rhe1 Qf4 19. Qe2 0-0 20. g3 Qd6 21. Qe4 Nf6 22. Qh4 h6 23. Re5 Rfe8 24. Bc2 Rb8 25. g4 Nd7 26. Re3 Qe7 27. Qxe7 Rxe7 28. d5 cxd5 29. Rxd5 Nf6 30. Rd4 Rd7 31. Rxd7 Nxd7 32. Rd3 Ne5 33. Rd6 g5 34. Ra6 a4 35. Be4 Kg7 36. Kc2 h5 37. gxh5 Rh8 38. Rb6 Rxh5 39. Rxb5 Kf6 40. b3 a3 41. Rb4 g4 42. hxg4 Rh2 43. Rd4 Rxf2+ 44. Rd2 Rxd2+ 45. Kxd2 Nxg4 46. b4 Ke7 47. c4 f5 48. Bb7 Kd7 49. Kc3 e5 50. c5 Kc7 51. Bg2 Ne3 52. Ba8 Kd8 53. Bc6 Nd1+ 54. Kc4 Nb2+ 55. Kd5 e4 56. Bb5 Kc7 57. Kd4 Nd1 58. Be2 Nb2 59. b5 Na4 60. b6+ Kb7 61. Bc4 e3 62. Be2 f4 63. Kc4 Kb8 64. Kb4 Nb2 65. c6 1-0

[Event "Silli mem corr8690"]
[Site "Italy"]
[Date "1986.??.??"]
[Round "?"]
[White "Boll, Peter Albertus"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "73"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "ITA"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c5 6. dxc5 Qa5 7. Bd3 Qxc5 8. Qe2 0-0 9. Be3 Qa5 10. h3 Nh5 11. Kf2 e5 12. f5 Nf4 13. Qd2 Nxd3+ 14. Qxd3 gxf5 15. exf5 e4 16. Qxe4 Bxf5 17. Qxb7 Nd7 18. Nd4 Nc5 19. Qb5 Qxb5 20. Ncxb5 Bg6 21. Nxd6 Rab8 22. b3 f5 23. Nc6 Ne4+ 24. Nxe4 fxe4+ 25. Ke2 Rb7 26. Nd4 Rc8 27. c4 a5 28. Rab1 a4 29. Nb5 Rd7 30. Rhd1 Rd3 31. Rxd3 exd3+ 32. Kd2 axb3 33. axb3 Ra8 34. Na7 Bf7 35. g4 Rb8 36. Nc6 Ra8 37. Ne7+ 1-0

[Event "Keres mem corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Brilla Banfalvi, Sandor"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "E45"]
[PlyCount "87"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 Bxc3+ 7. bxc3 d5 8. Ba3 Bxc4 9. Bxc4 dxc4 10. 0-0 Qd7 11. e4 Qb5 12. e5 Nd5 13. Qg4 Nc6 14. Qxg7 0-0-0 15. Qxf7 Nxc3 16. Rfc1 Nd5 17. Ne2 Rhe8 18. Qxh7 Qa4 19. Bb2 b5 20. Qe4 Ncb4 21. Nc3 Nxc3 22. Rxc3 Kb8 23. h4 Nd5 24. Ra3 Qb4 25. Rb1 c6 26. Bc1 Qe7 27. Rh3 Rd7 28. g4 Qh7 29. Qxh7 Rxh7 30. h5 Rg8 31. g5 Kc7 32. Kh2 b4 33. g6 Rhh8 34. Kg3 a5 35. Bg5 a4 36. Kg4 Rb8 37. g7 Rhg8 38. h6 b3 39. axb3 axb3 40. Kh5 c3 41. Kg6 b2 42. h7 Ne7+ 43. Bxe7 c2 44. Rhh1 1-0

[Event "FIN-chT10 corr"]
[Site "Finland"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Huuskonen, Veli Matti"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "78"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[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. Bxc6 dxc6 5. 0-0 Qd6 6. Na3 b5 7. c4 Bg4 8. h3 Bxf3 9. Qxf3 Nf6 10. d3 Qe6 11. b3 Be7 12. Nc2 0-0 13. Ne3 Ne8 14. Bb2 f6 15. Rad1 Nd6 16. Rfe1 Rad8 17. g4 Rd7 18. Nf5 Rfd8 19. Kg2 Nxf5 20. exf5 Qf7 21. Qxc6 bxc4 22. bxc4 Bb4 23. Re3 Rd6 24. Qe4 Qd7 25. g5 Bc5 26. Rg3 Bd4 27. Bc1 Rb8 28. c5 Rc6 29. Ba3 fxg5 30. Rxg5 Rf6 31. Rg1 h6 32. Rh5 Qf7 33. Qf3 Qxa2 34. Bc1 Rbf8 35. Be3 Bxe3 36. Qxe3 Rxf5 37. Rxf5 Rxf5 38. h4 Qd5+ 39. Kg3 Qd4 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Breazu, Mihai"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "D87"]
[PlyCount "86"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. Bf4 Qd7 13. d5 Na5 14. Bb3 b6 15. c4 Ba6 16. Ba4 Qc8 17. Qd3 e5 18. Bg5 f6 19. Be3 Nb7 20. f3 Nd6 21. Ng3 Rb8 22. Rfd1 Bf8 23. Nf1 Nxc4 24. Rxc4 b5 25. Rcc1 bxa4 26. Qa3 Rb4 27. Bd2 Rd4 28. Bc3 Rxd1 29. Rxd1 Be2 30. Re1 Qa6 31. Ne3 Bb5 32. f4 exf4 33. Ng4 Bg7 34. Qb2 a3 35. Qa1 Rf8 36. e5 fxe5 37. Bxe5 Qb7 38. Qc3 Re8 39. d6 Qd7 40. h3 h5 41. Bxg7 Rxe1+ 42. Qxe1 hxg4 43. Be5 gxh3 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Hyldkrog, Lars"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "83"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Ne5 Nbd7 12. Ngf3 Qc7 13. Bf4 Nd5 14. Bg3 Qa5+ 15. Nd2 0-0 16. 0-0 Nxe5 17. Bxe5 Be7 18. a3 Bd7 19. b4 Qd8 20. c4 Nf6 21. Ne4 Bc6 22. Nxf6+ gxf6 23. Bf4 Qd4 24. g3 f5 25. Rad1 Ba4 26. Bc2 Qb2 27. Rd2 Bxc2 28. Rxc2 Qxa3 29. Bxh6 Rfd8 30. Qe5 Bf8 31. Bxf8 Kxf8 32. b5 Rac8 33. Ra1 Qf3 34. Rc3 Rd1+ 35. Rxd1 Qxd1+ 36. Kg2 Ke7 37. h4 f6 38. Qe3 b6 39. Rd3 Qg4 40. Rd4 Qg8 41. Qa3+ Kf7 42. Qxa7+ 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Kosenkov, Vsevolod Tikhonovic"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "40"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 Nd7 8. Nc4 Nf6 9. Bf4 g6 10. Qd2 Bg7 11. 0-0-0 Be6 12. f3 h5 13. Qe1 0-0 14. Kb1 b5 15. Ne5 Bd5 16. Rg1 Qb6 17. g4 Rad8 18. gxh5 Nxh5 19. Bc1 c5 20. f4 cxd4 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Danner, Georg"]
[Result "0-1"]
[ECO "A67"]
[PlyCount "84"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 a6 10. Be2 Qh4+ 11. g3 Qd8 12. Nf3 0-0 13. 0-0 Re8 14. Re1 Bxc3 15. bxc3 Rxe4 16. c4 Nf6 17. Bb2 Bg4 18. h3 Bxf3 19. Bxf3 Rxc4 20. Qd3 Rb4 21. Bc3 Nbd7 22. Bxb4 cxb4 23. g4 Nc5 24. Qc4 b3 25. g5 Nfd7 26. Re2 Qa5 27. Qd4 b5 28. axb5 Qxb5 29. Bg4 Nb6 30. Re7 b2 31. Rb1 Qd3 32. Qxd3 Nxd3 33. Re3 Nc5 34. Ra3 Nc4 35. Rc3 Nd2 36. Rxb2 Na4 37. Rc8+ Rxc8 38. Rxd2 Rc1+ 39. Kh2 Rb1 40. Rd4 Nc5 41. Rd2 a5 42. Be2 a4 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Ekebjaerg, Ove"]
[Result "0-1"]
[ECO "B27"]
[PlyCount "82"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 c5 4. dxc5 Qa5+ 5. c3 Qxc5 6. Be3 Qc7 7. Bd4 Nf6 8. e5 Nh5 9. Na3 Nc6 10. Nc4 0-0 11. Qd2 b5 12. Ne3 Nxe5 13. Nxe5 Bxe5 14. Bxb5 Rb8 15. Bxe5 Qxe5 16. Bc4 Bb7 17. 0-0-0 Nf6 18. f3 d5 19. Bb3 Rfd8 20. Kb1 Bc6 21. Rhe1 Qxh2 22. Qd4 Qc7 23. Qh4 Kg7 24. Ng4 Ng8 25. Rd4 e6 26. f4 a5 27. Rh1 h5 28. Ne5 Be8 29. Qh3 f6 30. Ng4 a4 31. Bxa4 Bxa4 32. Rxa4 d4 33. c4 Qb7 34. b3 Qe4+ 35. Ka1 Ra8 36. Rxa8 Rxa8 37. Nh2 Qc2 38. a4 Rb8 39. Rb1 d3 40. Qxe6 d2 41. Qd7+ Kh8 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "E13"]
[PlyCount "85"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Bd3 Nbd7 10. 0-0 g5 11. Bg3 Qe7 12. Nd2 h5 13. f3 h4 14. Be1 g4 15. fxg4 h3 16. e4 hxg2 17. Rf2 0-0-0 18. Rxg2 Rh3 19. Rg3 Rxg3+ 20. Bxg3 Rg8 21. h3 Nh5 22. Bf2 f5 23. exf5 Nf4 24. fxe6 Nxh3+ 25. Kf1 Nf6 26. Bh4 Rh8 27. Nf3 Qg7 28. Bxf6 Qxf6 29. Bf5 Kb8 30. Qe2 Ng5 31. e7 Bc6 32. Ng1 Be8 33. Re1 Rh4 34. c5 b5 35. c6 a6 36. a4 d5 37. Qe5 Qxc6 38. axb5 axb5 39. Re3 b4 40. cxb4 Qc1+ 41. Re1 Qc4+ 42. Kg2 Ne4 43. Qe6 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Ingerslev, Aage"]
[Result "1/2-1/2"]
[ECO "E20"]
[PlyCount "37"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 0-0 6. Bg2 d5 7. cxd5 Nxd5 8. Bd2 Nc6 9. a3 Nxc3 10. bxc3 Ba5 11. 0-0 Qe7 12. Qc2 cxd4 13. cxd4 Bxd2 14. Qxd2 Bd7 15. e4 Rfd8 16. Rfe1 e5 17. Nxe5 Nxe5 18. dxe5 Qxe5 19. Qb4 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Penrose, Jonathan"]
[Result "0-1"]
[ECO "D27"]
[PlyCount "50"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 e6 5. Bxc4 c5 6. a4 Nf6 7. 0-0 Nc6 8. Qe2 Qc7 9. Nc3 Bd6 10. Rd1 0-0 11. h3 h6 12. Bd2 Bd7 13. Rac1 Rad8 14. dxc5 Bxc5 15. e4 Nd4 16. Nxd4 Bxd4 17. Kh1 Bc6 18. Ba2 Bxc3 19. Rxc3 Rd4 20. Be3 Rxd1+ 21. Qxd1 Nxe4 22. Rc4 Rd8 23. Qc2 Nd6 24. Bf4 Qa5 25. Rd4 e5 0-1

[Event "FIN-ch M corr"]
[Site "Finland"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Ripatti, Markku"]
[Result "0-1"]
[ECO "B16"]
[PlyCount "54"]
[EventDate "1985.??.??"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 Qc7 8. h3 Bh5 9. 0-0 Nd7 10. d5 0-0-0 11. Qd4 Ne5 12. c4 Nxf3+ 13. gxf3 Rg8+ 14. Kh1 Qd7 15. Qh4 Qf5 16. Bf4 e5 17. Bg3 Bxf3+ 18. Bxf3 Qxf3+ 19. Kh2 f5 20. Rg1 f4 21. Qxd8+ Kxd8 22. Bh4+ Kc7 23. Rxg8 Bc5 24. Rag1 Bxf2 25. Bxf2 Qxf2+ 26. R1g2 Qh4 27. R8g7 Qf6 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Stern, Dieter Max"]
[Result "0-1"]
[ECO "D34"]
[PlyCount "62"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. Nf3 Nf6 4. Nc3 c5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 Be6 10. dxc5 Bxc5 11. Na4 Be7 12. Nd4 Nxd4 13. Qxd4 Qa5 14. Rfc1 Rfc8 15. b3 Rxc1+ 16. Rxc1 Ba3 17. Rd1 Ne4 18. Bf4 b5 19. Bxe4 dxe4 20. Nc3 Bf8 21. Bc1 b4 22. Nxe4 Qxa2 23. Bb2 Qxb3 24. Rc1 a5 25. Rc5 h6 26. Rh5 f5 27. Rxh6 fxe4 28. Rg6 Kf7 29. Rxg7+ Bxg7 30. Qxg7+ Ke8 31. Bf6 Qd1+ 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Strand, Torgeir"]
[Result "1-0"]
[ECO "E21"]
[PlyCount "127"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 0-0 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. exd4 d5 9. Bd3 dxc4 10. Bxc4 Nc6 11. 0-0 Be7 12. Re1 Nd5 13. Bg3 a6 14. Rc1 Nxc3 15. bxc3 b5 16. Bd3 Bb7 17. Bb1 Qd5 18. Qc2 g6 19. a4 Rac8 20. Ba2 Qh5 21. Qd3 bxa4 22. Rb1 Ba8 23. Qxa6 Qa5 24. Qd3 Kh7 25. h4 Nd8 26. Re3 a3 27. Ne5 Kg7 28. Nd7 Re8 29. Nb6 Rc6 30. d5 Rxb6 31. Qd4+ f6 32. Qxb6 Qxb6 33. Rxb6 Bc5 34. Rb8 Bxd5 35. Re2 Bxa2 36. Rxa2 e5 37. Kf1 Kf7 38. f3 Bd6 39. Ra8 Ne6 40. Rxe8 Kxe8 41. Bf2 Nf4 42. Be3 Nd5 43. Bd2 h5 44. Ke2 Kd7 45. Kd3 f5 46. Kc4 Ke6 47. Kb5 e4 48. c4 Nc7+ 49. Kb6 Ke5 50. Bc3+ Kf4 51. Kc6 Ne8 52. Kd7 Ke3 53. Kxe8 Kd3 54. Bf6 Kxc4 55. fxe4 fxe4 56. Rd2 Bc5 57. Re2 Kd5 58. Kf7 e3 59. Kxg6 Bb4 60. Kf5 Bd2 61. Bg5 Kd4 62. Rxd2+ exd2 63. Bxd2 a2 64. Bh6 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Mohrlok, Dieter A"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "69"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bb3 h6 9. N5f3 c5 10. Be3 Qc7 11. Ne5 Bd6 12. Ngf3 0-0 13. dxc5 Bxc5 14. Bxc5 Qxc5 15. 0-0-0 Bd7 16. Rd4 Bc6 17. Nxc6 bxc6 18. Rhd1 a5 19. c4 Nbd5 20. Bc2 Nb4 21. Bb1 Rab8 22. g4 Rfe8 23. Ne5 a4 24. f4 a3 25. b3 Rb7 26. g5 hxg5 27. fxg5 Nfd5 28. g6 fxg6 29. Qf3 Nf6 30. Qg3 Qa5 31. R1d2 Rf8 32. Nxg6 e5 33. Qh3 Re8 34. Rd8 Nxa2+ 35. Bxa2 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Shephard, Chris CW"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "A29"]
[PlyCount "39"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Nd5 Bc5 6. Bg2 0-0 7. 0-0 Nxd5 8. cxd5 Nd4 9. Nxd4 Bxd4 10. e3 Bb6 11. f4 d6 12. b3 Qe7 13. Bb2 f6 14. a4 a5 15. Qc2 Bd7 16. Rac1 Rac8 17. Qd3 Kh8 18. Kh1 Rce8 19. Qc4 Bc5 20. fxe5 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Smit, Dick"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "D82"]
[PlyCount "49"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Qa4+ Qxa4 8. Nxa4 Na6 9. cxd5 Nxd5 10. Bb5+ Bd7 11. Bxd7+ Kxd7 12. 0-0-0 Kc6 13. Nf3 Nxc5 14. Be5 Nxa4 15. Bxg7 Rhc8 16. e4 Nf4 17. Bh6 Ne6 18. Kb1 f6 19. Rd3 Nac5 20. Rc1 a5 21. Be3 b6 22. Nd4+ Kb7 23. Rdc3 Nxd4 24. Bxd4 Nd7 25. a4 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Sorensen, Arne"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "45"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. cxd5 Nxd5 8. Qb3 Bxf3 9. gxf3 Nb6 10. Be3 e6 11. 0-0-0 Be7 12. d5 exd5 13. Bxb6 axb6 14. Nxd5 0-0 15. Rg1 Bf6 16. Rg4 Qd6 17. Nxb6 Qc5+ 18. Rc4 Qxf2 19. Nxa8 Na5 20. Qb6 Qxh2 21. Rc2 Qf4+ 22. Kb1 Rxa8 23. Qxa5 1-0

[Event "corr"]
[Site "corr"]
[Date "1984.??.??"]
[Round "?"]
[White "Tiemann, Hagen"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "B16"]
[PlyCount "50"]
[EventDate "1984.11.29"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. c3 Bf5 7. Nf3 Qc7 8. g3 e6 9. Bg2 Nd7 10. Bf4 e5 11. Be3 0-0-0 12. 0-0 Kb8 13. Nh4 Be6 14. Qc2 Nb6 15. Rad1 Nc4 16. Bc1 exd4 17. Bf4 Bd6 18. Rxd4 Bxf4 19. Rxf4 Rd2 20. Qc1 Rhd8 21. Nf3 R2d7 22. Rd4 Ne5 23. Rxd7 Rxd7 24. Rd1 Bxa2 25. Nd4 Bd5 1/2-1/2

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Brglez, Francek"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "D48"]
[PlyCount "97"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. d5 c4 11. Bc2 Nc5 12. Bg5 Qb6 13. 0-0 Bb7 14. Qe2 Nfd7 15. Rad1 e5 16. Be3 Qc7 17. Nh4 g6 18. f4 Be7 19. Nf3 exf4 20. Bc1 0-0 21. e5 Qb6 22. Kh1 Rfe8 23. Bxf4 Bf8 24. Qf2 Bg7 25. Be3 Qc7 26. Bd4 Rf8 27. a3 Rac8 28. Rfe1 Nb3 29. d6 Qd8 30. Bxb3 cxb3 31. Qe3 Re8 32. Qf4 h6 33. Ne4 Re6 34. Nf6+ Kh8 35. Re3 Bxf3 36. gxf3 g5 37. Qf5 Bxf6 38. exf6 Nf8 39. f4 Rxe3 40. Bxe3 Qd7 41. Qxd7 Nxd7 42. Rd3 Rc6 43. fxg5 hxg5 44. Bxg5 Kh7 45. Kg1 Kg6 46. h4 Kf5 47. Kf1 Kg6 48. Kg1 Kf5 49. Kf1 1/2-1/2

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Brilla Banfalvi, Sandor"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "E55"]
[PlyCount "127"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 dxc4 8. Bxc4 Nbd7 9. Qe2 b6 10. Rd1 cxd4 11. exd4 Bb7 12. Bd2 Rc8 13. Bd3 Bd6 14. Bg5 h6 15. Bh4 Qc7 16. Nb5 Qb8 17. Ne5 Bxe5 18. dxe5 Qxe5 19. Nd6 Qxe2 20. Bxe2 Rc7 21. Nxb7 Rxb7 22. Rac1 Nc5 23. b4 Nce4 24. f3 Ng5 25. Ba6 Re7 26. Bg3 e5 27. Re1 Nd5 28. a3 Nc7 29. Bc4 Rfe8 30. Bb3 Kf8 31. f4 Nge6 32. fxe5 Nd4 33. Ba2 Nce6 34. Bb1 Rc7 35. Rxc7 Nxc7 36. Bd3 Nce6 37. Rc1 Rd8 38. Kf2 Ke7 39. Ke3 Rd7 40. Rc8 Rd8 41. Rxd8 Kxd8 42. Ke4 Kd7 43. Bf2 Nc6 44. Bb5 Kc7 45. h4 Kd7 46. Be3 Kc7 47. g3 Kd7 48. Ba4 Kc7 49. Bd2 Kd7 50. Bc3 Kc7 51. Bd1 Ne7 52. Bg4 Kc6 53. Bh5 g6 54. Be2 h5 55. g4 hxg4 56. Bxg4 Kb5 57. Be2+ Ka4 58. h5 gxh5 59. Bxh5 Kxa3 60. Bd2 Ng6 61. Bxg6 fxg6 62. Kd5 Ng7 63. Kc6 Kb3 64. Kb7 1/2-1/2

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Ekebjaerg, Ove"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "111"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nc3 c5 2. e4 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. e5 d5 7. exd6 Qxd6 8. Ne4 Qe7 9. 0-0 Nf6 10. d3 0-0 11. c3 Nd5 12. Qe2 Na5 13. Bb5 a6 14. Ba4 b5 15. Bc2 Bb7 16. a3 Nc6 17. Qf2 c4 18. d4 a5 19. Bd2 Rac8 20. Nc5 Ba8 21. Rae1 Qc7 22. Ne5 a4 23. Re2 Na5 24. Qh4 Nb7 25. Ne4 Nd6 26. Ng5 Nf6 27. Ng4 h5 28. Ne5 Nf5 29. Qh3 Bd5 30. Be1 Qb7 31. Bf2 Rc7 32. Rfe1 Re8 33. Bh4 Rce7 34. Ne4 Nxh4 35. Qxh4 Nxe4 36. Bxe4 Bxe4 37. Rxe4 Qd5 38. h3 Rc7 39. g4 hxg4 40. hxg4 Ra8 41. R4e3 b4 42. axb4 a3 43. bxa3 Rxa3 44. Qf2 Rca7 45. Qf3 Rb3 46. Qxd5 exd5 47. Nc6 Rc7 48. Ne7+ Rxe7 49. Rxe7 Rxc3 50. Re8+ Kh7 51. Kg2 Bxd4 52. g5 Rc2+ 53. R8e2 Rb2 54. Rxb2 Bxb2 55. b5 Bd4 56. Kf3 1-0

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Hollis, Adrian Swayne"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "E03"]
[PlyCount "104"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Qa4+ Nbd7 6. Bg2 a6 7. Qxc4 b5 8. Qc2 Bb7 9. 0-0 Rc8 10. a4 c5 11. axb5 axb5 12. dxc5 Bxc5 13. Qb3 b4 14. Be3 Bd5 15. Qd3 Be4 16. Qd2 Qb6 17. Bxc5 Nxc5 18. Qe3 0-0 19. Nbd2 Nd5 20. Qd4 Bxf3 21. Bxf3 Rfd8 22. Rfc1 Ne7 23. Qf4 Nf5 24. Nc4 Qc7 25. Qxc7 Rxc7 26. Rd1 Rxd1+ 27. Rxd1 g6 28. Rd8+ Kg7 29. Rb8 Na6 30. Rb6 Rxc4 31. Rxa6 Rc2 32. b3 Rc3 33. Rb6 Rxb3 34. e3 Rb2 35. Be4 Kf6 36. Bxf5 Kxf5 37. Rb7 Ke4 38. Rxf7 Kd3 39. Rd7+ Kc3 40. Rc7+ Kb3 41. Rxh7 Rc2 42. Rg7 Rc4 43. Rxg6 Kc3 44. Rxe6 b3 45. Rb6 Rb4 46. Rc6+ Kd2 47. Ra6 b2 48. Ra2 Ke1 49. Rxb2 Rxb2 50. Kg2 Rxf2+ 51. Kh3 Ke2 52. Kg4 Kxe3 0-1

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Bryson, Douglas Marshall"]
[Result "1-0"]
[ECO "D47"]
[PlyCount "117"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5 12. 0-0 cxd4 13. Re1 g6 14. Bg5 Qa5 15. Nd2 Ba6 16. Nc4 Bxc4 17. Bxc4 Bg7 18. Qxd4 Qxa4 19. Bxd5 exd5 20. Qxd5 Nb6 21. Qd6 Qd7 22. Qxb4 Bf8 23. Qh4 Bg7 24. Rad1 Qa4 25. Rd4 Qxa2 26. Be7 Qe6 27. Bb4 Bf8 28. Rd6 Qc4 29. Rd4 Bxb4 30. Rxc4 Bxe1 31. Rc7 0-0 32. e6 Rac8 33. exf7+ Rxf7 34. Rxf7 Kxf7 35. Qxh7+ Kf6 36. Qxa7 Rc6 37. Qb8 Nd5 38. f4 Nc7 39. Qf8+ Ke6 40. Qg7 Bh4 41. Qxg6+ Bf6 42. g4 Kd5 43. Qf5+ Kc4 44. g5 Bd4+ 45. Kg2 Nd5 46. b3+ Kc5 47. Kf3 Rc7 48. Qf8+ Re7 49. f5 Kc6 50. f6 Re3+ 51. Kg4 Re4+ 52. Kh5 Nf4+ 53. Kh6 Re2 54. Qc8+ Kd5 55. h4 Rh2 56. Qg4 Ne6 57. g6 Rf2 58. f7 Kd6 59. Kh7 1-0

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Duenhaupt, Heinz Wilhelm"]
[Result "1-0"]
[ECO "D42"]
[PlyCount "43"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 Be7 8. 0-0 0-0 9. Nxd5 Qxd5 10. e4 Qh5 11. dxc5 Rd8 12. Qe2 e5 13. Be3 Bg4 14. Rac1 Bxf3 15. gxf3 Rac8 16. f4 Qh3 17. Rfd1 exf4 18. Bxf4 Bxc5 19. Rxc5 Nd4 20. Qh5 Nf3+ 21. Kh1 Nh4 22. Bf1 1-0

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Handel, Horst"]
[Result "1-0"]
[ECO "E42"]
[PlyCount "57"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Nge2 cxd4 6. exd4 0-0 7. a3 Be7 8. d5 exd5 9. cxd5 Re8 10. h3 Bc5 11. b4 Bf8 12. g4 a5 13. Rb1 axb4 14. axb4 Na6 15. Qd4 Qe7 16. Bg2 Nxb4 17. 0-0 Qc5 18. Be3 Qxd4 19. Nxd4 Na6 20. g5 Nh5 21. d6 Bxd6 22. Ndb5 Bf4 23. Nd5 Bxe3 24. fxe3 Rb8 25. Nd6 Re6 26. Rb6 Rxd6 27. Rxd6 Ng3 28. Rf2 Nc5 29. Rc2 1-0

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Idema, Abram A"]
[Result "1/2-1/2"]
[ECO "E53"]
[PlyCount "38"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nf3 c5 7. 0-0 Nbd7 8. cxd5 exd5 9. a3 Ba5 10. b4 cxb4 11. Nb5 Ne4 12. axb4 Bb6 13. Qb3 Ndf6 14. Ne5 Re8 15. f3 Nd6 16. Nxd6 Qxd6 17. Bb2 Be6 18. Rac1 Rac8 19. Kh1 Rxc1 1/2-1/2

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Oakley, Peter James"]
[Result "1-0"]
[ECO "E94"]
[PlyCount "77"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Qc2 exd4 9. Nxd4 Re8 10. Be3 c6 11. Rfd1 Qe7 12. Bg5 Nc5 13. f3 Ne6 14. Nxe6 Bxe6 15. Rd2 Red8 16. Rad1 h6 17. Bh4 g5 18. Bg3 Ne8 19. Qa4 a6 20. Qa5 Bf6 21. f4 b5 22. Qb6 gxf4 23. Bxf4 Rab8 24. Qe3 b4 25. Na4 Bg5 26. Bxg5 hxg5 27. Qg3 f6 28. b3 Bf7 29. Bf3 Kf8 30. h4 gxh4 31. Qxh4 Qe5 32. c5 Rb7 33. Qf2 Re7 34. Rd4 a5 35. Qd2 d5 36. Nb6 Be6 37. exd5 cxd5 38. Qh6+ Rg7 39. Nxd5 1-0

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Schrancz, Istvan"]
[Result "0-1"]
[ECO "E94"]
[PlyCount "54"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. Qc2 c6 9. Rd1 Qe7 10. d5 c5 11. Bg5 h6 12. Bh4 g5 13. Bg3 Nh5 14. Nd2 Ndf6 15. Nf1 Nf4 16. Ne3 Nxe4 17. Nxe4 f5 18. Bf1 fxe4 19. Qxe4 Bd7 20. Qc2 g4 21. b4 h5 22. bxc5 h4 23. cxd6 Qg5 24. c5 hxg3 25. hxg3 Nh5 26. Qe4 Rxf2 27. Nc4 Nxg3 0-1

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Smit, Dick"]
[Result "1/2-1/2"]
[ECO "E45"]
[PlyCount "61"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 0-0 7. e4 Nc6 8. Bd3 e5 9. d5 Na5 10. Qe2 Bxc3+ 11. bxc3 Ne8 12. Ba3 d6 13. 0-0 c5 14. Nf5 g6 15. Ne3 Ng7 16. f4 f6 17. Bc1 Qd7 18. f5 g5 19. h4 gxh4 20. Kf2 h5 21. Rh1 Kf7 22. Rxh4 Ke7 23. Bd2 Rf7 24. Rg1 Qa4 25. Bc1 Rb8 26. g4 hxg4 27. Rh7 Rbf8 28. Rxg4 Ne8 29. Rgh4 Nc7 30. R4h6 Ne8 31. Rh2 1/2-1/2

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Orseth, Dag Sverre"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "49"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c5 3. Bxf6 gxf6 4. d5 Qb6 5. Qc1 f5 6. g3 Bg7 7. c3 e5 8. Bh3 Qf6 9. Nf3 0-0 10. Na3 d6 11. Qc2 Na6 12. Nh4 e4 13. 0-0 Nc7 14. Rad1 Re8 15. f3 f4 16. Bxc8 fxg3 17. hxg3 Raxc8 18. fxe4 Qg5 19. Kg2 Rcd8 20. Rf5 Qe7 21. Rf4 Rd7 22. Rg4 f6 23. Nf5 Qf8 24. Rh1 Kh8 25. Nc4 1-0

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Schuett, Ingo"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "60"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. 0-0 d6 9. f4 Be7 10. Qe1 0-0 11. Qg3 Nxd4 12. Bxd4 b5 13. a3 Bd7 14. Bd3 Bc6 15. e5 Nh5 16. Qh3 g6 17. Rae1 Rad8 18. Qe3 Rd7 19. Nd1 Qb7 20. Re2 Rfd8 21. f5 dxe5 22. fxg6 hxg6 23. Bxe5 Qa7 24. Qxa7 Rxa7 25. Nf2 Bc5 26. Kh1 Bd4 27. Ng4 f5 28. Nf6+ Nxf6 29. Bxd4 Rxd4 30. Rxe6 Bxg2+ 1/2-1/2

[Event "NOR jub40 corr"]
[Site "Norway"]
[Date "1983.??.??"]
[Round "?"]
[White "Wibe, Terje Paul"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B47"]
[PlyCount "57"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "NOR"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. Bg5 a6 7. Qd2 Nf6 8. 0-0-0 Nxd4 9. Qxd4 Bc5 10. Qd2 Bb4 11. Bd3 b5 12. Kb1 Bxc3 13. bxc3 Bb7 14. Rhe1 Rc8 15. Kb2 Ng4 16. f4 f6 17. Bh4 Nh6 18. e5 fxe5 19. fxe5 Nf7 20. Re3 Bd5 21. Rf1 d6 22. exd6 Qxd6 23. Rg3 g6 24. Bf6 Rg8 25. Rh3 h5 26. Rg3 Kd7 27. Bxg6 Ne5 28. Bxe5 Qxe5 29. Rg5 1-0

[Event "olm10 qual GP1 B3 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Antunes, Antonio"]
[Result "1/2-1/2"]
[ECO "A67"]
[PlyCount "64"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 0-0 10. Nf3 Na6 11. 0-0 Nc7 12. Bd3 Rb8 13. Kh1 a6 14. a5 b5 15. axb6 Rxb6 16. Nd2 Rb8 17. Nc4 Nb6 18. Ne3 Re8 19. Qf3 Nd7 20. Nc4 Nb6 21. Na5 Bb7 22. Ra3 Qe7 23. Nc6 Bxc6 24. dxc6 c4 25. Bc2 d5 26. Nxd5 Nbxd5 27. exd5 Qc5 28. Re3 Bd4 29. Rxe8+ Rxe8 30. g4 Qxd5 31. Qxd5 Nxd5 32. Rd1 Bc5 1/2-1/2

[Event "olm10 qual GP1 B3 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Badenes, Anselmo Raul"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "39"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 Bb7 5. a4 a6 6. axb5 axb5 7. Rxa8 Bxa8 8. Nc3 Qa5 9. Bf4 Na6 10. Nd2 b4 11. Nb5 d6 12. e4 g6 13. Bd3 Bg7 14. 0-0 0-0 15. e5 Nh5 16. exd6 Nxf4 17. dxe7 Re8 18. d6 Ne6 19. Be4 Rb8 20. Nb3 1-0

[Event "olm10 qual GP1 B3 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Herlufsen, Frank Kristinn"]
[Result "1-0"]
[ECO "E15"]
[PlyCount "67"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 c5 6. Bg2 Bb7 7. dxc5 Bxc5 8. Nc3 0-0 9. 0-0 Qc8 10. Bf4 Bc6 11. Qc2 Qb7 12. Rad1 Rc8 13. a3 a5 14. Rd2 Na6 15. e4 b5 16. cxb5 Bxb5 17. e5 Bc6 18. exf6 Bxf3 19. Bxf3 Qxf3 20. Rxd7 Rd8 21. Rxd8+ Rxd8 22. Ne4 Bd4 23. Ng5 Qh5 24. fxg7 Nc5 25. Kg2 f6 26. Nf3 a4 27. Nxd4 Rxd4 28. Rc1 Qd5+ 29. f3 Nb7 30. Be3 Rd3 31. Qxa4 Nd6 32. Qf4 Qa8 33. Bd4 Nf5 34. Bxf6 1-0

[Event "Keres mem corr"]
[Site "corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Kuuskmaa, Endel R"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "E45"]
[PlyCount "63"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 Bxc3+ 7. bxc3 d5 8. Qf3 0-0 9. cxd5 Qxd5 10. e4 Qa5 11. Bxa6 Qxa6 12. Ne2 Nbd7 13. 0-0 c5 14. Ng3 Qc4 15. Rd1 Rac8 16. Bf4 Ne8 17. h4 b5 18. d5 e5 19. Nf5 Rb8 20. Bh6 gxh6 21. Ne3 Qa4 22. Qg4+ Kh8 23. Qxd7 Qxe4 24. d6 Ng7 25. Qxa7 Ne6 26. Qe7 Qf4 27. d7 Rg8 28. Rd6 b4 29. Rad1 Rgd8 30. g3 Qf3 31. cxb4 cxb4 32. Nc4 1-0

[Event "Keres mem corr"]
[Site "corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Nesis, Gennady Efimovich"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "E17"]
[PlyCount "65"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Bd2 0-0 8. d5 f5 9. Qc2 Nxd2 10. Nxd2 e5 11. 0-0 d6 12. f4 e4 13. g4 g6 14. gxf5 gxf5 15. Kh1 Kh8 16. Rg1 Qe8 17. Nb5 Na6 18. Nd4 Bc8 19. Nf1 Bf6 20. Rd1 Rg8 21. Qd2 Nc5 22. Qe3 Qa4 23. Ng3 Qxc4 24. Nh5 Rf8 25. Nxf6 Rxf6 26. Nc6 Ba6 27. Bf3 Rg8 28. Ne7 Re8 29. Bh5 Rxe7 30. Qg3 Rf8 31. Qg5 e3 32. Rg2 Rd7 33. Qh6 1-0

[Event "olm10 qual GP1 B3 corr"]
[Site "ICCF corr"]
[Date "1982.??.??"]
[Round "?"]
[White "Williams, Arthur Howard"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "E13"]
[PlyCount "58"]
[EventDate "1982.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Bg5 h6 6. Bh4 Bb7 7. e3 g5 8. Bg3 Ne4 9. Qc2 Bxc3+ 10. bxc3 Nxg3 11. hxg3 Qe7 12. Bd3 Nc6 13. Rb1 0-0-0 14. c5 d6 15. cxb6 cxb6 16. c4 Kb8 17. 0-0 Rc8 18. Rfc1 Rc7 19. c5 dxc5 20. dxc5 Na5 21. Qb2 Rhc8 22. cxb6 Rxc1+ 23. Rxc1 Rxc1+ 24. Qxc1 axb6 25. Qb2 Ka7 26. Nd4 e5 27. Nb5+ Kb8 28. Nc3 Qc5 29. Bf1 Nc4 1/2-1/2

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Barczay, Laszlo"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "E32"]
[PlyCount "47"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qb3 Bxc3+ 6. Qxc3 Bb7 7. g3 0-0 8. Bg2 d6 9. 0-0 Nbd7 10. b3 Ne4 11. Qe3 d5 12. Bb2 dxc4 13. bxc4 Nd6 14. Rac1 c5 15. Rfd1 Qe7 16. d5 Nf5 17. Qf4 Rac8 18. Bh3 Rfd8 19. Bxf5 exf5 20. Qxf5 Qxe2 21. Rd2 Qe7 22. Re1 Qf8 23. Ng5 g6 24. Qh3 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Brilla Banfalvi, Sandor"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "E43"]
[PlyCount "57"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Ne4 6. Qc2 Bb7 7. Bd3 f5 8. 0-0 Bxc3 9. bxc3 0-0 10. Nd2 Qh4 11. f3 Nxd2 12. Bxd2 d6 13. c5 dxc5 14. Rae1 Nd7 15. e4 fxe4 16. Bxe4 Bxe4 17. Rxe4 Qh5 18. Rfe1 Qd5 19. Rxe6 cxd4 20. cxd4 Rac8 21. Qb2 a5 22. Bc3 Rf6 23. Re7 Rg6 24. R1e3 Rf8 25. Be1 c6 26. a3 Rf7 27. Re8+ Rf8 28. R8e7 Rf7 29. Re8+ 1/2-1/2

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Engel, Klaus Eberhard"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "93"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. d4 cxd4 8. Qxd4 d6 9. e4 a6 10. b3 Nbd7 11. Bb2 0-0 12. h3 Qc7 13. Qe3 Rac8 14. Rac1 Qb8 15. Nd4 Rfe8 16. Rfe1 Bf8 17. Rcd1 Qa8 18. g4 g6 19. g5 Nh5 20. Nde2 Rcd8 21. Ng3 Ng7 22. Bf1 Qc8 23. Kh2 Qc5 24. Qd2 Ne5 25. Re3 Qc7 26. f4 Nd7 27. Be2 Be7 28. Rd3 e5 29. f5 f6 30. Ba3 Nc5 31. gxf6 Bxf6 32. Rxd6 Bg5 33. Qxg5 Rxd6 34. Rf1 Rf8 35. b4 Nd7 36. b5 Nc5 37. bxa6 Bc6 38. Bxc5 bxc5 39. f6 Qd8 40. Nd5 Bxd5 41. cxd5 Rdxf6 42. Rxf6 Rxf6 43. Qxe5 h5 44. d6 Rxd6 45. a7 h4 46. Nf1 Rc6 47. Qd5+ 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Hintikka, Eero"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B91"]
[PlyCount "101"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nf5 d5 8. Qf3 d4 9. Nd1 Bd7 10. Bd3 h6 11. Qe2 Nc6 12. 0-0 g6 13. Nh4 Bg7 14. f4 0-0 15. f5 Kh7 16. Nf2 Rc8 17. Bd2 Qe7 18. a3 Rc7 19. c3 dxc3 20. Bxc3 Rd8 21. Rfe1 Be8 22. Nf3 Rcd7 23. Bc2 Ng8 24. Ng4 Qc5+ 25. Kg2 f6 26. Rad1 Rxd1 27. Rxd1 Rxd1 28. Qxd1 Nge7 29. Qd3 Bf7 30. Ne3 gxf5 31. b4 Qa7 32. exf5 Kg8 33. g4 b5 34. h4 Qb7 35. Kf2 Qb6 36. g5 hxg5 37. hxg5 fxg5 38. Nxg5 Nd4 39. Bxd4 exd4 40. Ng4 Qd6 41. Qf3 d3 42. Bxd3 Bd4+ 43. Kg2 Nd5 44. f6 Qf4 45. Nxf7 Qxf3+ 46. Kxf3 Kxf7 47. Ke4 Nxf6+ 48. Kxd4 Nxg4 49. Bf5 Nh2 50. Bc8 Nf3+ 51. Kc3 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Khasin, Abram Iosifovich"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "E43"]
[PlyCount "79"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 Ne4 7. 0-0 f5 8. d5 Bxc3 9. bxc3 Na6 10. Nd4 Nac5 11. Bxe4 fxe4 12. Ba3 0-0 13. Rb1 Ba6 14. Bxc5 bxc5 15. Nb5 Rf6 16. d6 Bxb5 17. Rxb5 c6 18. Rxc5 Qb6 19. Re5 Qb2 20. Qb3 Qd2 21. Rxe4 Raf8 22. Rf4 Rxf4 23. exf4 Qxd6 24. g3 Rb8 25. Qc2 Qc5 26. Rd1 Rb7 27. Rd4 g6 28. Qd2 d5 29. Qe3 Kf7 30. Qe5 Qa3 31. cxd5 cxd5 32. Qh8 Qxc3 33. Qxh7+ Kf8 34. Qxb7 Qxd4 35. Qb8+ Kf7 36. Qc7+ Kf6 37. h3 Qe4 38. g4 Qe1+ 39. Kg2 Qe4+ 40. Kg3 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Aulaskari, Pauli"]
[Result "0-1"]
[ECO "E08"]
[PlyCount "116"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. Qc2 c6 8. Rd1 Ne4 9. Ne1 f5 10. Nd2 Nef6 11. Ndf3 Ne4 12. Nd3 Qe8 13. b4 a5 14. bxa5 Rxa5 15. Bf4 dxc4 16. Qxc4 Nb6 17. Qc2 Nd5 18. Be5 Nec3 19. Re1 b6 20. Nd2 Ba6 21. a4 Qd7 22. f3 c5 23. e4 Nb4 24. Nxb4 cxb4 25. exf5 Rc8 26. Kh1 exf5 27. Bh3 g6 28. g4 Nd5 29. Qb1 Rc3 30. gxf5 Bd3 31. f6 Qxh3 32. fxe7 Kf7 33. Bg3 Ra8 34. Qb2 Ke8 35. a5 b5 36. Rac1 Rxc1 37. Rxc1 Rxa5 38. Ne4 Kxe7 39. Ng5 Qf5 40. Re1+ Kf6 41. Re5 Qd7 42. Bh4 b3 43. Be1 Ra6 44. Qxb3 Bc4 45. Qc2 h6 46. Ne4+ Kg7 47. Nf2 Qf7 48. Qe4 Ra3 49. Re8 Re3 50. Qxe3 Nxe3 51. Rxe3 Bd5 52. Kg2 Qf4 53. Nd1 Kf7 54. Rd3 Bc4 55. Rc3 Qg5+ 56. Kh1 Qf5 57. Nf2 Be2 58. Kg2 Qb1 0-1

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Clarke, Peter Hugh"]
[Result "1-0"]
[ECO "E02"]
[PlyCount "31"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Qa4+ Bd7 6. Qxc4 Bc6 7. Bg2 Nbd7 8. Nc3 Nb6 9. Qd3 Bb4 10. 0-0 0-0 11. Rd1 h6 12. Bd2 Qe7 13. a3 Bxc3 14. Qxc3 Rfd8 15. Be1 a5 16. Rac1 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Kanko, Ilkka"]
[Result "1-0"]
[ECO "E49"]
[PlyCount "87"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Nc6 10. 0-0 Qe7 11. Bb2 e5 12. Ba2 Rd8 13. Re1 Be6 14. Bb3 Bg4 15. h3 Bh5 16. Qd2 Na5 17. Ba2 Ne4 18. Qd3 Bg6 19. Qd1 c4 20. a4 Qh4 21. Rf1 Rac8 22. Ba3 b6 23. Qe1 Re8 24. Rd1 Nf6 25. dxe5 Rxe5 26. Nd4 Bd3 27. Nf3 Qe4 28. Nxe5 Bxf1 29. Qxf1 Qxe5 30. Rd4 Qe6 31. Qd1 Qe8 32. Bb4 Nb3 33. Bxb3 cxb3 34. Qxb3 Ne4 35. a5 h6 36. axb6 axb6 37. Qd1 Qe6 38. f3 Nf6 39. e4 Ne8 40. Qd3 Ra8 41. f4 Qc6 42. e5 Qe6 43. Rd7 g6 44. Re7 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Ojanen, Kaarle Sakari"]
[Result "1/2-1/2"]
[ECO "A87"]
[PlyCount "66"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. d5 Na6 8. Nd4 e5 9. dxe6 c6 10. Nc3 Nc5 11. Bf4 Ne8 12. Qd2 Nxe6 13. Nxe6 Bxe6 14. b3 Be5 15. Rfd1 Qe7 16. Rac1 Bxf4 17. Qxf4 g5 18. Qd4 Qg7 19. Qe3 Rf6 20. Rd4 Rd8 21. Rcd1 Rd7 22. R4d3 a6 23. Qb6 Rf8 24. Rd4 Qe5 25. e4 f4 26. R4d3 Rdf7 27. R1d2 fxg3 28. fxg3 h5 29. Qe3 h4 30. h3 hxg3 31. Qxg3 Qc5+ 32. Qe3 Qe5 33. Qg3 Qc5+ 1/2-1/2

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Palmo, Pentti Olavi"]
[Result "1/2-1/2"]
[ECO "E10"]
[PlyCount "43"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 b5 6. Bg5 Qa5+ 7. Nc3 Ne4 8. Bd2 Nxd2 9. Nxd2 d6 10. e4 a6 11. Be2 Nd7 12. 0-0 g6 13. Qc2 Bg7 14. a4 b4 15. Nd1 0-0 16. Ne3 Qc7 17. a5 Bb7 18. Ndc4 Rae8 19. Rae1 Ne5 20. Nb6 Nd7 21. Nbc4 Ne5 22. Nb6 1/2-1/2

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Rajkovic, Dusan"]
[Result "1-0"]
[ECO "E45"]
[PlyCount "43"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Nf4 0-0 8. e4 d6 9. Bd3 Nbd7 10. b3 e5 11. Nfe2 c6 12. Bb2 Re8 13. 0-0 Bf8 14. d5 cxd5 15. Nxd5 g6 16. Nxf6+ Nxf6 17. Qd2 Bb7 18. Ng3 a6 19. Rad1 Nd7 20. Bc2 b5 21. cxb5 axb5 22. Rfe1 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Weiner, Milan"]
[Result "1-0"]
[ECO "E51"]
[PlyCount "89"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. a3 dxc4 7. Bxc4 Bd6 8. Nf3 Nc6 9. b4 e5 10. Bb2 Bg4 11. d5 Ne7 12. h3 Bh5 13. e4 a5 14. b5 Nd7 15. g4 Bg6 16. h4 h5 17. Nd2 Nf6 18. g5 Nd7 19. Be2 Nc5 20. Rh3 f5 21. gxf6 Rxf6 22. Qc2 Qf8 23. f3 Rf4 24. 0-0-0 Nf5 25. Rg1 Nd4 26. Qd1 Be8 27. Qf1 Ncb3+ 28. Nxb3 Nxb3+ 29. Kc2 Nd4+ 30. Kb1 Bxa3 31. Rhg3 g6 32. d6 Qxd6 33. Nd5 c6 34. Nxf4 exf4 35. Bc4+ Kh7 36. R3g2 cxb5 37. Bd5 Bxb2 38. Rxb2 b4 39. Rd2 Qf6 40. Rg5 Nb5 41. e5 Qb6 42. Qd3 Rc8 43. Bb3 a4 44. Rxh5+ Kg7 45. Qd7+ 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Markland, Peter Richard"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "A55"]
[PlyCount "59"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "FIN"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c6 2. c4 e5 3. Nf3 d6 4. d4 Nd7 5. Nc3 Ngf6 6. Be2 Be7 7. 0-0 0-0 8. Re1 a6 9. Bf1 b5 10. a3 Re8 11. h3 Bf8 12. Qc2 Bb7 13. Be3 Rc8 14. Rad1 Qe7 15. b4 bxc4 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. Bxc4 d5 19. Bd4 Qf4 20. Bb3 c5 21. bxc5 dxe4 22. Bxf7+ Kxf7 23. Qb3+ Kg6 24. Qxb7 Bxc5 25. Nd5 Qd6 26. Nxf6 gxf6 27. Bxc5 Qxc5 28. Rd7 Qc6 29. Rg7+ Kf5 30. Qf7 1-0

[Event "FIN jub20 corr8184"]
[Site "Finland"]
[Date "1981.??.??"]
[Round "?"]
[White "Tiemann, Hagen"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "86"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Nxd5 7. Qb3 Nb6 8. d5 Bg7 9. Be3 0-0 10. Rd1 N8d7 11. Nf3 Nf6 12. Be2 Bd7 13. 0-0 Ne8 14. Nd4 Nd6 15. a4 Nbc8 16. Rc1 Rb8 17. Rfd1 Nf5 18. Ne6 Nxe3 19. Nxd8 Nxd1 20. Nxd1 Rxd8 21. a5 Bf6 22. a6 Nd6 23. Rc7 bxa6 24. Qe3 Bb5 25. g4 Bxe2 26. Qxe2 Nb5 27. Rc5 Bd4 28. Rc4 Rxd5 29. Qxe7 Nd6 30. Nc3 Bxf2+ 31. Kf1 Rd2 32. Ne4 Nxe4 33. Qxe4 Bb6 34. Rc2 Rd4 35. Qe5 Rbd8 36. h3 R4d5 37. Qe4 h5 38. Re2 Rd1+ 39. Kg2 hxg4 40. hxg4 a5 41. Qc6 Rg1+ 42. Kh3 Kg7 43. Qc3+ Bd4 0-1

[Event "FIN-ch fin corr"]
[Site "Finland"]
[Date "1979.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Rasanen, Seppo"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "87"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. d4 Bg7 8. Bd3 0-0 9. 0-0 Nc6 10. Rb1 Qc7 11. Be4 cxd4 12. cxd4 Bd7 13. Ba3 Rfe8 14. Qe2 Rac8 15. Rfc1 Qa5 16. Rb3 b6 17. Qb2 e5 18. d5 Nb8 19. Rxc8 Rxc8 20. Bb4 Qa4 21. Bc2 e4 22. Nd4 Bf5 23. Rc3 Qd7 24. Rxc8+ Qxc8 25. Bc3 Qc5 26. Bb3 Bc8 27. Ne2 Bxc3 28. Nxc3 Qb4 29. h3 Nd7 30. a3 Qe7 31. Bc2 f5 32. Nb5 Nc5 33. Bb1 a6 34. Ba2 Qg7 35. Nd4 Na4 36. Qb3 b5 37. d6+ Kh8 38. Qd5 h5 39. Qa8 Nb6 40. Qc6 Qa7 41. Qe8+ Kg7 42. Qg8+ Kf6 43. Qh8+ Kg5 44. f4+ 1-0

[Event "FIN-ch corr"]
[Site "Finland"]
[Date "1979.??.??"]
[Round "?"]
[White "Kotka, Reino"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "110"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 e6 8. f4 Nge7 9. Nf3 0-0 10. d4 d5 11. Rd1 dxe4 12. Nxe4 Nf5 13. Nxc5 Nxe3 14. Qxe3 Qa5+ 15. c3 Qxa2 16. Rd2 b5 17. b4 Qa3 18. Kf2 a5 19. Ne1 axb4 20. Bxc6 bxc3 21. Nc2 Qb2 22. Re2 b4 23. Na1 Qa3 24. Nab3 Qa7 25. Ra1 Qb6 26. Be4 Rd8 27. Rd1 Ba6 28. Nxa6 Qxa6 29. Bc2 Rd6 30. Rd3 Qc4 31. d5 Rxd5 32. Rxd5 Qxd5 33. Qe4 Qd8 34. Re1 Bf6 35. h4 h5 36. Kf3 Qb6 37. Rd1 Rd8 38. Rxd8+ Bxd8 39. Qd4 Qxd4 40. Nxd4 Be7 41. Ke4 Bd6 42. Nf3 f6 43. Kd4 Kg7 44. Kc4 Kh6 45. Kd4 Bc7 46. Kd3 Bb6 47. Ke2 Bc7 48. Nd4 e5 49. Ne6 Bd6 50. Kd3 Be7 51. Ke4 exf4 52. Nxf4 Bd6 53. Nxg6 b3 54. Bxb3 Kxg6 55. Bc2 Bb8 1/2-1/2

[Event "FIN-ch fin corr"]
[Site "Finland"]
[Date "1979.??.??"]
[Round "?"]
[White "Niemi, Valio"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "B82"]
[PlyCount "64"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 a6 7. Be3 b5 8. Qf3 Bb7 9. Bd3 Nbd7 10. g4 b4 11. Nce2 Nc5 12. Ng3 d5 13. e5 Nfe4 14. f5 Qc7 15. Qf4 g5 16. Qf1 Qxe5 17. Nxe4 Nxd3+ 18. Qxd3 dxe4 19. Qb3 0-0-0 20. Qc4+ Qc5 21. Qxc5+ Bxc5 22. c3 bxc3 23. bxc3 e5 24. Nc2 Bxe3 25. Nxe3 Rd3 26. Nc4 f6 27. h4 e3 28. Rh3 gxh4 29. Rc1 Bg2 30. Rxh4 Bf3 31. Nb2 Rd2 32. Nc4 Rhd8 0-1

[Event "FIN-ch fin corr"]
[Site "Finland"]
[Date "1979.??.??"]
[Round "?"]
[White "Nieminen, Veikko"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "B82"]
[PlyCount "50"]
[EventDate "1979.??.??"]
[EventType "tourn (corr)"]
[EventRounds "13"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 a6 7. Nf3 Nc6 8. Be3 Be7 9. a4 Qc7 10. Bd3 b6 11. Qe2 Bb7 12. a5 bxa5 13. Na4 d5 14. e5 Nd7 15. c3 0-0 16. h4 f6 17. Ng5 fxg5 18. Bxh7+ Kxh7 19. hxg5+ Kg8 20. g6 Rf5 21. g4 Rxe5 22. Rh8+ Kxh8 23. Qh2+ Bh4+ 24. Qxh4+ Kg8 25. fxe5 Nf8 0-1

[Event "FIN-ch fin corr"]
[Site "Finland"]
[Date "1978.??.??"]
[Round "?"]
[White "Huuskonen, Veli Matti"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "A86"]
[PlyCount "56"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. c4 c6 5. Nc3 Qc7 6. Bg5 Nbd7 7. Qc2 g6 8. 0-0-0 Bg7 9. e4 fxe4 10. Nxe4 Qa5 11. Bxf6 Nxf6 12. Kb1 Nxe4 13. Bxe4 0-0 14. h4 d5 15. Bd3 Bxd4 16. h5 Rxf2 17. Ne2 Bg4 18. hxg6 h5 19. cxd5 cxd5 20. Qb3 Bg7 21. Rde1 Raf8 22. Qxb7 R2f6 23. Qb5 Qxb5 24. Bxb5 Rb6 25. a4 a6 26. Bd3 Rxb2+ 27. Kc1 Rc8+ 28. Kd1 Bh6 0-1

[Event "FIN-ch fin corr"]
[Site "Finland"]
[Date "1978.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Havansi, Erkki ET"]
[Result "0-1"]
[ECO "C19"]
[PlyCount "48"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 Bd7 8. a4 Qa5 9. Bd2 Nbc6 10. Be2 f6 11. exf6 gxf6 12. 0-0 c4 13. Nh4 0-0-0 14. f4 Ng6 15. Nf3 Nce7 16. Re1 Rdg8 17. Bf1 Qc7 18. Qc1 Nf5 19. Kh1 h5 20. Ng1 Nd6 21. Ne2 Ne4 22. Be3 Nh4 23. Qa3 Bc6 24. Ng1 Qxf4 0-1

[Event "FIN-ch fin corr"]
[Site "Finland"]
[Date "1978.??.??"]
[Round "?"]
[White "Perman, Torvald"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "A87"]
[PlyCount "58"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d6 7. b3 e5 8. dxe5 dxe5 9. Qc2 Nc6 10. Ba3 Rf7 11. Ng5 Rd7 12. Bxc6 bxc6 13. Ne6 Qe8 14. Nxg7 Rxg7 15. Nc3 Be6 16. Na4 f4 17. Nc5 Bh3 18. Rfd1 g5 19. Qc3 Bf5 20. Bb2 Re7 21. gxf4 gxf4 22. Kh1 Qh5 23. Rg1+ Kf7 24. f3 Rd8 25. Rad1 Rxd1 26. Rxd1 Qh3 27. Nd3 Ng4 28. Nxe5+ Rxe5 29. fxg4 Be4+ 0-1

[Event "EU-chT2 corr7887"]
[Site "ICCF corr"]
[Date "1978.??.??"]
[Round "?"]
[White "Voormans, Jan"]
[Black "Koskinen, Olli"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "73"]
[EventDate "1978.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 Qc7 8. h3 e5 9. dxe5 dxe5 10. Be3 Nh5 11. Re1 Nf4 12. Bf1 Nd7 13. a5 Rd8 14. Qb1 Nf8 15. Qa2 Be6 16. Qa3 h6 17. b4 f5 18. b5 fxe4 19. Nd2 cxb5 20. Ndxe4 Qf7 21. Nxb5 g5 22. Bxa7 Qg6 23. Bb6 Rd7 24. c4 Bf5 25. Nbd6 N8e6 26. Nxf5 Qxf5 27. Rab1 Nd4 28. Nd6 Nxh3+ 29. gxh3 Nf3+ 30. Kg2 Nxe1+ 31. Rxe1 Qg6 32. c5 Rf8 33. Qa4 Re7 34. Qc4+ Kh7 35. Qe4 Qxe4+ 36. Rxe4 Rf6 37. Bd8 1-0

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Berta, Matyas"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "B62"]
[PlyCount "122"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Nc6 7. Be2 Be7 8. 0-0 0-0 9. Kh1 a6 10. f4 Bd7 11. Qd3 Nxd4 12. Qxd4 Bc6 13. Rad1 Qa5 14. f5 e5 15. Qf2 Rfd8 16. Bxf6 Bxf6 17. Bc4 Rac8 18. Bd5 Rd7 19. a3 h6 20. h4 Qc5 21. g3 Qxf2 22. Rxf2 Bd8 23. Rfd2 Ba5 24. b4 Bb6 25. Bxc6 Rxc6 26. Nd5 f6 27. c3 Kf7 28. Kg2 Bd8 29. g4 Rc4 30. Kf3 b6 31. Ke3 Ra7 32. Kd3 Rc8 33. a4 Ke8 34. Rh1 Rb7 35. c4 Kf7 36. Rc2 Rbb8 37. Rhc1 Ke8 38. Kc3 Rb7 39. Kb3 Rcb8 40. Rd1 Rd7 41. Rcd2 Rbb7 42. Ne3 Be7 43. Rd5 Rd8 44. a5 Rdb8 45. axb6 Rxb6 46. Nc2 Rc6 47. Ra5 Bd8 48. Rad5 Be7 49. Kc3 Kd7 50. R5d2 Bd8 51. Na3 Bb6 52. Nc2 Bd8 53. Ne3 a5 54. b5 Rxb5 55. Rxd6+ Rxd6 56. cxb5 Rxd1 57. Nxd1 Bb6 58. Kc4 Kd6 59. Nc3 Bf2 60. h5 Bb6 61. Nd5 Bd8 1/2-1/2

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Endzelins, Lucius"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "D87"]
[PlyCount "46"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[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 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 Qc7 11. Rc1 Rd8 12. Qd2 Qa5 13. Rfd1 b5 14. Bb3 cxd4 15. cxd4 Qxd2 16. Rxd2 Na5 17. Bd5 Bb7 18. Bxb7 Nxb7 19. Rb2 a6 20. a4 Nd6 21. axb5 Nxb5 22. Rb4 e6 23. f3 Rac8 1/2-1/2

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Hund, Juliane"]
[Black "Koskinen, Olli"]
[Result "0-1"]
[ECO "A82"]
[PlyCount "106"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 d5 5. fxe4 dxe4 6. Bg5 Bg4 7. Be2 Bf5 8. Bc4 Nc6 9. Nge2 Qd7 10. 0-0 e6 11. Qe1 Na5 12. Bb5 c6 13. Ba4 Nc4 14. Bb3 Nd6 15. Rd1 Be7 16. Ng3 0-0-0 17. Bf4 Rhf8 18. Na4 b6 19. c4 Bg4 20. Rd2 Nf5 21. h3 Nxg3 22. Qxg3 Bf5 23. Be5 g5 24. d5 Nh5 25. Qe3 Nf4 26. Qxb6 axb6 27. Nxb6+ Kb7 28. Nxd7 e3 29. dxc6+ Kxc6 30. Ba4+ Kb7 31. Rf3 Ra8 32. Rxe3 Rxa4 33. c5 Nd5 34. Rb3+ Kc6 35. Nxf8 Bxc5+ 36. Kh2 Bxf8 37. a3 g4 38. hxg4 Rxg4 39. Rd1 Bh6 40. Rd4 Rxd4 41. Bxd4 Bf4+ 42. g3 Bd6 43. Rf3 Kb5 44. Rf1 Kc4 45. Ba7 Be5 46. b4 Bb2 47. Rd1 Bxa3 48. g4 Bc2 49. Re1 Nc7 50. Bb6 Bxb4 51. Re2 Bd3 52. Re3 Bd6+ 53. Kh3 Nd5 0-1

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Keglevic, Pavao"]
[Black "Koskinen, Olli"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "32"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 e5 3. c4 Nc6 4. Nc3 g6 5. e3 Bg7 6. Nge2 d6 7. d4 0-0 8. 0-0 Bd7 9. h3 Re8 10. b3 h5 11. Bb2 exd4 12. Nxd4 Nxd4 13. exd4 Bf5 14. Qd2 Ne4 15. Nxe4 Bxe4 16. Rae1 Bxg2 1/2-1/2

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Atabek, Fazil"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "63"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Bb4 8. Bg2 Qa6 9. c5 Bxc3+ 10. bxc3 0-0 11. 0-0 Qc4 12. Qd3 Ne5 13. Qxc4 Nxc4 14. Rd1 e5 15. Nd2 Nxd2 16. Rxd2 Re8 17. Rd6 Re6 18. Rxe6 dxe6 19. Rb1 Nd5 20. Bd2 f5 21. c4 Ne7 22. a4 Nc6 23. a5 a6 24. Bc3 e4 25. f3 exf3 26. Bxf3 e5 27. Bxc6 bxc6 28. Bxe5 Be6 29. Rb7 g6 30. Bb8 Bc8 31. Rb6 Be6 32. Rxc6 1-0

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Bartis, Gustavo Fernando"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "41"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Bb4 8. Bg2 Qa6 9. c5 0-0 10. 0-0 d5 11. cxd6 Rd8 12. Bg5 Bxd6 13. Bxf6 gxf6 14. e3 Be7 15. Qh5 Kg7 16. Rfd1 Qb6 17. Rxd8 Bxd8 18. Rd1 Be7 19. Qg4+ Kh8 20. Qa4 Bd7 21. Rxd7 1-0

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Hultquist, Per Anders Torsten"]
[Result "1/2-1/2"]
[ECO "A29"]
[PlyCount "34"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Nc6 6. 0-0 e4 7. Ne1 Bxc3 8. dxc3 h6 9. Nc2 Re8 10. Ne3 d6 11. Qc2 a5 12. Rd1 b6 13. b3 Bd7 14. a4 Qe7 15. Nd5 Nxd5 16. cxd5 Nb8 17. c4 Bf5 1/2-1/2

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Kaunonen, Kalevi"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "63"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Nc6 6. 0-0 Re8 7. Ne1 Bf8 8. d3 d6 9. Nc2 Ne7 10. e4 c6 11. Ne3 g6 12. d4 Bg7 13. d5 c5 14. f4 exf4 15. gxf4 Nh5 16. f5 Kh8 17. Bd2 Ng8 18. Qf3 Bd7 19. Ng4 a6 20. a4 Qh4 21. Qh3 Qxh3 22. Bxh3 Nhf6 23. Nf2 Rad8 24. Rae1 Bc8 25. Nd3 Nd7 26. fxg6 fxg6 27. Bg5 Bd4+ 28. Kg2 Ndf6 29. e5 dxe5 30. Rxf6 e4 31. Rff1 exd3 32. Bxd8 1-0

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Mooij, Walter Johan"]
[Result "1/2-1/2"]
[ECO "D42"]
[PlyCount "65"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. e3 e6 6. d4 Nc6 7. Bd3 Be7 8. 0-0 cxd4 9. exd4 0-0 10. Re1 Qd6 11. a3 Rd8 12. Qc2 h6 13. Nb5 Qd7 14. Be4 a6 15. Bxd5 exd5 16. Nc3 Bf6 17. Be3 Qg4 18. Red1 Bf5 19. Qe2 Be4 20. Ne1 Qxe2 21. Nxe2 Na5 22. f3 Bf5 23. g4 Re8 24. Kf2 Bg6 25. b4 Nc4 26. Bf4 Bg5 27. Bxg5 hxg5 28. Rdc1 f6 29. Nc3 Bf7 30. a4 a5 31. bxa5 Rxa5 32. Rab1 b6 33. Rb5 1/2-1/2

[Event "Heilimo mem-A corr7782"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Morozov, Igor Anatolyevich"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "28"]
[EventDate "1977.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3 c5 6. 0-0 Nc6 7. e5 Ng4 8. Be4 f5 9. exf6 Nxf6 10. Bxc6 Bxc6 11. d4 cxd4 12. Nxd4 Qc7 13. Nxc6 Qxc6 14. Qe2 Be7 1/2-1/2

