[Event "Nordic CupT 4rd B10 corr"]
[Site "ICCF email"]
[Date "2004.01.16"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Magnusson, Gunnar"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "111"]
[EventDate "2001.12.15"]
[EventType "team (corr)"]
[EventRounds "4"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 0-0 6. Nbd2 a6 7. Nf1 Ng4 8. Bg5 Nxf2 9. Qe2 Qe8 10. d4 exd4 11. Qxf2 dxc3 12. Qe2 cxb2 13. Rb1 Nd4 14. Nxd4 Bxd4 15. Nd2 d6 16. Qd3 Be5 17. 0-0 b5 18. Bb3 Bb7 19. Bf4 c5 20. Bxe5 dxe5 21. Qc3 c4 22. Bc2 Qe7 23. Nf3 f6 24. Qxb2 Bc6 25. Qc3 Rfd8 26. Qe3 Qa7 27. Kf2 a5 28. Rfd1 Qxe3+ 29. Kxe3 Kf8 30. a3 Rxd1 31. Bxd1 Ke7 32. Nd2 a4 33. Rb4 Kd6 34. Nb1 Kc5 35. Nc3 Rd8 36. Bc2 h5 37. Rb1 g6 38. Na2 h4 39. Nb4 Bb7 40. Rf1 Rd6 41. g3 h3 42. g4 g5 43. Bd1 Rd4 44. Bf3 Kd6 45. Rg1 Kc5 46. Rg3 c3 47. Rxh3 Rxb4 48. axb4+ Kxb4 49. Rh7 a3 50. Rxb7 a2 51. Ra7 Kb3 52. Bd1+ Kb2 53. Kd3 b4 54. Kc4 a1Q 55. Rxa1 Kxa1 56. Kb3 1/2-1/2

[Event "Nordic CupT 4rd B09 corr"]
[Site "ICCF email"]
[Date "2002.10.23"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Savegren, Kurt"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "88"]
[EventDate "2001.12.15"]
[EventType "team (corr)"]
[EventRounds "4"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Nb4 9. Be2 0-0 10. Nc3 Be6 11. Be3 f5 12. a3 Nxc3 13. bxc3 Nc6 14. Qa4 f4 15. Bd2 Kh8 16. Rab1 Rb8 17. Rfe1 dxc4 18. Bxc4 Bg4 19. Be2 a6 20. h3 Bh5 21. Nh2 Bg6 22. Rbd1 b5 23. Qb3 Na5 24. Qe6 Bc2 25. Ra1 Nb3 26. Ra2 Rb6 27. Qg4 Rg6 28. Qh5 Rg5 29. Rxc2 Rxh5 30. Bxh5 c5 31. Nf3 cxd4 32. cxd4 Nxd2 33. Rxd2 Bxa3 34. Rde2 Bd6 35. Re8 Qc7 36. Ng5 g6 37. Bf3 h6 38. Rxf8+ Bxf8 39. Ne6 Qc3 40. Re4 Bd6 41. Nd8 Kg7 42. Nb7 Bf8 43. Nd8 b4 44. Ne6+ Kf7 0-1

[Event "Nordic CupT 4rd B10 corr"]
[Site "ICCF email"]
[Date "2002.06.10"]
[Round "?"]
[White "Madsen, Flemming Lind"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "49"]
[EventDate "2001.12.15"]
[EventType "team (corr)"]
[EventRounds "4"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bb5 c6 4. Bd3 d5 5. exd5 e4 6. Qe2 cxd5 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. d3 Bc5 10. dxe4 dxe4 11. Ng5 0-0 12. 0-0 Qc7 13. Nc3 Rae8 14. Kh1 Qe5 15. Nh3 Nh5 16. f4 exf3 17. Qxf3 Qf6 18. Bf4 Nxf4 19. Qxb7 Qe7 20. Nxf4 Rb8 21. Qf3 Rxb2 22. Rae1 Qd8 23. Ne4 Qb6 24. Nxc5 Nxc5 25. Nd3 1-0

[Event "Nordic CupT 4rd B10 corr"]
[Site "ICCF email"]
[Date "2002.03.28"]
[Round "?"]
[White "Johnsen, John Kristian"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E80"]
[PlyCount "29"]
[EventDate "2001.12.15"]
[EventType "team (corr)"]
[EventRounds "4"]
[SourceTitle "Corr 2006"]
[Source "ChessBase"]
[SourceDate "2006.04.01"]
[SourceVersion "3"]
[SourceVersionDate "2006.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nc6 6. Be3 a6 7. Qd2 Rb8 8. 0-0-0 Bd7 9. g4 b5 10. c5 dxc5 11. dxc5 Be6 12. Nd5 Ne5 13. Bh6 0-0 14. Bxg7 Kxg7 15. Qc3 1-0

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Bruederle, Konrad"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2450"]
[BlackElo "2410"]
[PlyCount "49"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1 h6 11. Nd2 Nf4 12. Bf1 g5 13. c5 Bd7 14. Nc4 Be8 15. g3 Nfg6 16. cxd6 cxd6 17. b5 a6 18. Qb3 f5 19. Ba3 Nc8 20. bxa6 b5 21. Nxb5 Bxb5 22. Qxb5 fxe4 23. Bh3 Qf6 24. Rf1 Kh8 25. Qb7 1-0

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Cimicki, Dariusz"]
[Black "Koskivirta, Ossi"]
[Result "1/2-1/2"]
[ECO "C05"]
[WhiteElo "2260"]
[BlackElo "2410"]
[PlyCount "107"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 cxd4 9. cxd4 Bb4+ 10. Kf2 g5 11. fxg5 Ndxe5 12. Nxe5 Nxe5 13. Kg2 Nc6 14. Nf3 Bf8 15. b3 Bd7 16. Bb2 Bg7 17. Rc1 h6 18. Qd2 Qb4 19. Qxb4 Nxb4 20. gxh6 Rxh6 21. Be2 Nc6 22. g4 f6 23. Kg3 Ke7 24. Ba3+ Kf7 25. Rcf1 Rg8 26. Bc1 Rhh8 27. h4 Ke8 28. Be3 a6 29. Bd3 Ne7 30. h5 Bh6 31. Bxh6 Rxh6 32. g5 fxg5 33. Ne5 Nf5+ 34. Bxf5 exf5 35. Nxd7 f4+ 36. Kg4 Kxd7 37. Re1 Rf8 38. Kxg5 Rhf6 39. h6 f3 40. h7 f2 41. Ref1 Rf5+ 42. Kg4 Rf4+ 43. Kg3 Rf3+ 44. Kg2 R3f5 45. Rh6 Rg5+ 46. Kh3 Rh8 47. Rxf2 Rg7 48. Rf5 Rgxh7 49. Rxd5+ Kc7 50. Rc5+ Kd7 51. Rxh7+ Rxh7+ 52. Kg3 Rf7 53. Rc3 Kd6 54. Rf3 1/2-1/2

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Filutowski, Ryszard"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "2430"]
[BlackElo "2410"]
[PlyCount "53"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 Rb8 8. Qd2 Re8 9. h4 h5 10. 0-0-0 a6 11. Nd5 b5 12. Nxf6+ exf6 13. g4 hxg4 14. h5 bxc4 15. hxg6 Nb4 16. Nc3 fxg6 17. Bxc4+ Kf8 18. Qh2 d5 19. Nxd5 Nxd5 20. Bxd5 Be6 21. Bxe6 Rxe6 22. d5 Re5 23. Qh7 Qe7 24. Rd2 Rh5 25. Rxh5 gxh5 26. Rc2 Rb5 27. Qxh5 1-0

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Kasparavicius, Laimutis"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2430"]
[BlackElo "2410"]
[PlyCount "87"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bg4 8. Re1 Be7 9. c4 Nf6 10. cxd5 Bxf3 11. Qxf3 Qxd5 12. Qxd5 Nxd5 13. Nc3 0-0-0 14. Bc4 Bb4 15. Bd2 Nb6 16. Bxf7 Nxd4 17. Bg5 Rdf8 18. Be6+ Nxe6 19. Rxe6 Re8 20. Rae1 Kd7 21. Rxe8 Rxe8 22. Rxe8 Kxe8 23. Kf1 Nc4 24. Nd5 Bd6 25. Bc1 c6 26. Nc3 Kf7 27. f4 Ke6 28. Kf2 Kf5 29. Kf3 h5 30. g3 g5 31. fxg5 Ne5+ 32. Ke2 Ng6 33. Be3 Bb8 34. Kf3 Ne5+ 35. Kg2 Nc4 36. Bc1 Be5 37. Nd1 Bd4 38. b3 Nd6 39. Bf4 Ne4 40. Ne3+ Kg6 41. h4 b5 42. Kf3 Nc5 43. g4 a5 44. Nf5 1-0

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Andersson, Christer"]
[Result "1/2-1/2"]
[ECO "B97"]
[WhiteElo "2410"]
[BlackElo "2470"]
[PlyCount "71"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Nb3 Nbd7 9. Qd3 Be7 10. Be2 Qc7 11. Bf3 Rb8 12. a4 h6 13. Bxf6 Nxf6 14. Qe3 e5 15. Rd1 0-0 16. 0-0 exf4 17. Qxf4 b5 18. axb5 axb5 19. Nd4 Bd7 20. Kh1 b4 21. Nce2 Rfe8 22. Qg3 Qc5 23. Qf2 Nh7 24. Nf4 Bf6 25. Nd5 Be5 26. g3 Bh3 27. Bg2 Bxg2+ 28. Kxg2 Rb7 29. h4 Rd7 30. b3 Nf6 31. Nxf6+ Bxf6 32. Nf5 Qxf2+ 33. Rxf2 Rxe4 34. Rxd6 Rxd6 35. Nxd6 Re6 36. Nf5 1/2-1/2

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Bjuhr, Arne"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "2410"]
[BlackElo "2500"]
[PlyCount "142"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 0-0 10. 0-0 b6 11. Be3 Bb7 12. Qb3 Nd7 13. Rfd1 Nc5 14. Qc2 Qc7 15. Rac1 Rac8 16. Qd2 Qb8 17. Nc2 Ne5 18. f3 Rfd8 19. Nd4 Ncd7 20. b3 Bf6 21. Bg5 Bxg5 22. Qxg5 Ng6 23. Rc2 Nf6 24. Na4 Ba8 25. Rcd2 Bxe4 26. fxe4 Nxe4 27. Qe3 Nxd2 28. Rxd2 d5 29. Nf3 b5 30. Nb6 Rc6 31. c5 b4 32. a3 a5 33. axb4 axb4 34. Bb5 Rc7 35. Qd4 Qa7 36. Qxb4 Qa1+ 37. Kf2 Qc1 38. Na4 Rb8 39. Nd4 Nf8 40. Nb2 Qxc5 41. Qxc5 Rxc5 42. Ba4 f6 43. Nd3 Rc3 44. Ke2 Rb6 45. Rb2 e5 46. Nb5 Rc8 47. Kd2 Kf7 48. b4 Ne6 49. Nc3 d4 50. Nd5 Rd6 51. Bb3 Ke8 52. b5 e4 53. N5f4 Nd8 54. Nb4 f5 55. Nfd5 Rh6 56. h3 Rg6 57. Kd1 Rg3 58. b6 Kd7 59. Nc7 Rxc7 60. bxc7 Kxc7 61. Bg8 g6 62. Ke1 Kd6 63. Nd5 Nc6 64. Kf2 Ra3 65. Nb6 Ne5 66. Nc4+ Nxc4 67. Bxc4 Ke5 68. Rb5+ Kf4 69. Rd5 d3 70. g3+ Kg5 71. Ke3 Rc3 0-1

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Kribben, Matthias"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "2410"]
[BlackElo "2455"]
[PlyCount "42"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 h6 7. Nf3 Qxd5 8. Nc3 Qe6 9. Bxb5 Bb7 10. Qe2 0-0-0 11. d3 Qg4 12. Rg1 Bb4 13. h3 Qf5 14. g4 Qe6 15. Bd2 Rhe8 16. 0-0-0 Bxc3 17. Bxc3 Qxa2 18. Bc4 Qa1+ 19. Kd2 Qa4 20. b3 Qa3 21. Ra1 Qd6 0-1

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Volaks, Boleslavs"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2410"]
[BlackElo "2465"]
[PlyCount "89"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qa5 16. Kb1 Rc8 17. g4 Qxc3 18. gxh5 Nc4 19. Bxc4 Rxc4 20. Rd3 Qb4+ 21. Nb3 Nxh5 22. Rg1 Qb6 23. Qe3 Qxe3 24. Rxe3 Nf4 25. Nc1 Ba4 26. c3 Bd7 27. Kb2 Kg7 28. Nd3 Nxd3+ 29. Rxd3 Kf6 30. Rg5 Rc7 31. f4 Bc6 32. Rd4 Rc8 33. h5 gxh5 34. Rxh5 Rg8 35. Ra5 Rg2+ 36. Kb3 Rf2 37. e5+ dxe5 38. fxe5+ Ke6 39. Rxa7 Kxe5 40. Ra5+ Ke6 41. a4 f5 42. Rc5 Be4 43. a5 Re2 44. Rc8 f4 45. Rf8 1/2-1/2

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Yamaliev, Vil Usbekovich"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2410"]
[BlackElo "2425"]
[PlyCount "76"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. h3 0-0 8. Be3 Nc6 9. Qd2 e5 10. d5 Na5 11. b3 e4 12. Nd4 f5 13. Bg5 Qe8 14. 0-0-0 c5 15. Nde2 Nd7 16. f4 a6 17. Qe3 b5 18. cxb5 Nb7 19. d6 axb5 20. Nxb5 Rxa2 21. Nec3 Ra1+ 22. Kc2 Rxd1 23. Bc4+ Kh8 24. Rxd1 Nb6 25. Be2 Qf7 26. Nc7 Bd7 27. N3d5 Nxd5 28. Rxd5 Ra8 29. Bc4 Ra2+ 30. Kd1 Na5 31. Ba6 h6 32. Be7 Rxg2 33. Rxc5 Qxb3+ 34. Qxb3 Nxb3 35. Rd5 e3 36. Bb5 Bxb5 37. Nxb5 e2+ 38. Ke1 Nc1 0-1

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Rissanen, Heikki"]
[Black "Koskivirta, Ossi"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2390"]
[BlackElo "2410"]
[PlyCount "49"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bg4 8. Re1 Be7 9. c4 Nf6 10. cxd5 Bxf3 11. Qxf3 Qxd5 12. Qxd5 Nxd5 13. Nc3 0-0-0 14. Be4 Bb4 15. Bxd5 Rxd5 16. Nxd5 Bxe1 17. Nxc7 Nxd4 18. Be3 Nc2 19. Rc1 Nxe3 20. Nb5+ Nc2 21. Rxc2+ Kb8 22. Nd6 f6 23. Re2 Rd8 24. Rxe1 Rxd6 25. Kf1 1/2-1/2

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Schoeneberg, Guenter"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "D79"]
[WhiteElo "2445"]
[BlackElo "2410"]
[PlyCount "79"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. g3 c6 6. Bg2 d5 7. cxd5 cxd5 8. 0-0 Nc6 9. Ne5 e6 10. Nxc6 bxc6 11. Na4 Nd7 12. Bf4 Qa5 13. Bd6 Re8 14. b4 Qd8 15. Rc1 Nb6 16. Bc5 Ba6 17. Re1 f5 18. e3 Nc4 19. Qc2 e5 20. dxe5 Bxe5 21. Bd4 Qe7 22. Qc3 Bb5 23. Nc5 a5 24. a4 axb4 25. Qxb4 Rxa4 26. Bxd5+ cxd5 27. Qxb5 Ra5 28. Qc6 Qf7 29. Red1 Ra2 30. Nd7 Re7 31. Nxe5 Nxe5 32. Qc8+ Qe8 33. Bxe5 Rxe5 34. Rxd5 Ra8 35. Qxa8 Qxa8 36. Rxe5 Kg7 37. Re7+ Kh6 38. Rcc7 Qf3 39. Rxh7+ Kg5 40. Rhd7 1-0

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Tiits, Tonu V"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2430"]
[BlackElo "2410"]
[PlyCount "41"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. 0-0 Qh4 8. c4 0-0-0 9. c5 g6 10. Nc3 Bg7 11. g3 Qf6 12. Be3 Qe6 13. Re1 Rde8 14. Qb3 Nxc5 15. dxc5 d4 16. Qa3 dxc3 17. Qxa7 Bc6 18. Rad1 Qd5 19. Bf5+ gxf5 20. Rxd5 Bxd5 21. Rd1 1-0

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "2002.??.??"]
[Round "?"]
[White "Yakobson, Georgy Aleksandrovi"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2450"]
[BlackElo "2410"]
[PlyCount "68"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. Nbd2 c6 7. c3 Bf5 8. Nh4 Be6 9. Nb3 Nbd7 10. a4 a5 11. f4 Nb6 12. f5 Bc8 13. Nc5 Nc4 14. b3 Nd6 15. fxg6 hxg6 16. Qc2 b6 17. Nd3 Nfe4 18. Ne5 Qe8 19. Nef3 f6 20. Nd2 g5 21. Nxe4 dxe4 22. Bxe4 gxh4 23. Bh7+ Kh8 24. Rf4 hxg3 25. hxg3 Ra7 26. Bg6 Rf7 27. e4 Kg8 28. e5 fxe5 29. dxe5 Bxe5 30. Rxf7 Nxf7 31. Be3 Qf8 32. Rf1 e6 33. Bh7+ Kh8 34. Bg6 Qg7 0-1

[Event "Baltic Sea tt7 B03 corr"]
[Site "ICCF corr"]
[Date "1997.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Lassen, Hans Jorgen"]
[Result "1-0"]
[ECO "B05"]
[PlyCount "61"]
[EventDate "1997.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 6. c4 Nb6 7. Nbd2 dxe5 8. Nxe5 Bf5 9. Qb3 N8d7 10. Nxd7 Qxd7 11. Nf3 e6 12. Bf4 Be7 13. a4 Rd8 14. 0-0 Bf6 15. a5 Nc8 16. a6 b6 17. Rad1 Ne7 18. Ne5 Qc8 19. Qa4 0-0 20. Bf3 Ng6 21. Nxg6 Bxg6 22. Be3 Rd6 23. Rd2 c5 24. Bb7 Qd8 25. dxc5 bxc5 26. Rfd1 Bd4 27. Bxd4 Rxd4 28. Rxd4 cxd4 29. c5 e5 30. Qc4 Qc7 31. c6 1-0

[Event "EU-chT5 qual 3-02 corr"]
[Site "ICCF corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Herb, Pascal"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E97"]
[BlackElo "2415"]
[PlyCount "63"]
[EventDate "1994.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Re1 Ne8 10. b4 f5 11. a4 c6 12. dxc6 bxc6 13. c5 fxe4 14. cxd6 Nxd6 15. Ng5 Bf5 16. g4 h6 17. gxf5 hxg5 18. fxg6 e3 19. Bxe3 Nef5 20. Bc5 Rf6 21. Ne4 Rxg6 22. Bg4 Nd4 23. Nxd6 Rxd6 24. Bxd6 Qxd6 25. Qc1 Rf8 26. Qxg5 Rf5 27. Qe3 Rf4 28. Qg3 Qd5 29. Rad1 Qf7 30. Rd3 Kf8 31. b5 e4 32. Bh5 1-0

[Event "EU-chT4 qual 1-02 corr"]
[Site "ICCF corr"]
[Date "1995.??.??"]
[Round "?"]
[White "Van de Craen, Roger"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "49"]
[EventDate "1988.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d6 6. Be2 c6 7. 0-0 Qc7 8. h3 e5 9. dxe5 dxe5 10. c3 Be6 11. Be3 h6 12. Qc2 Nbd7 13. Rfd1 Nb6 14. a4 a5 15. Nxe5 Qxe5 16. Bxb6 c5 17. Bb5 Rfc8 18. Qd3 Nh5 19. Nc4 Bxc4 20. Qxc4 Qf6 21. Bxc5 Nf4 22. Rd7 Ne6 23. Be7 Qf4 24. Qd5 Nc7 25. Qd3 1-0

[Event "EU-chT5 qual 3-02 corr"]
[Site "ICCF corr"]
[Date "1994.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Giulian, Philip Maurice"]
[Result "1/2-1/2"]
[ECO "C07"]
[PlyCount "47"]
[EventDate "1994.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[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 a6 4. Ngf3 c5 5. dxc5 Bxc5 6. Bd3 Nc6 7. a3 Nge7 8. 0-0 0-0 9. b4 Ba7 10. Bb2 Ng6 11. e5 Qc7 12. Bxg6 fxg6 13. Qe2 Bd7 14. c4 Ne7 15. Rfc1 dxc4 16. Rxc4 Bc6 17. Bd4 Bxd4 18. Nxd4 Qd7 19. Nxc6 Nxc6 20. Ne4 Rad8 21. Nc5 Qd5 22. Re1 Nxe5 23. Re4 Nd3 24. Nxd3 1/2-1/2

[Event "EU-chT5 qual 3-02 corr"]
[Site "ICCF corr"]
[Date "1994.??.??"]
[Round "?"]
[White "Trapl, Jindrich"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "49"]
[EventDate "1994.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. Nf3 0-0 6. h3 e5 7. d5 Na6 8. Bg5 h6 9. Be3 Nh5 10. Qd2 Kh7 11. 0-0-0 f5 12. exf5 gxf5 13. g4 Nf6 14. gxf5 Ng8 15. h4 Bxf5 16. Bd3 Qd7 17. Ne4 Kh8 18. h5 Nf6 19. Nxf6 Rxf6 20. Bxf5 Qxf5 21. Nh4 Qd7 22. Rdg1 Qa4 23. Ng6+ Kg8 24. Bxh6 Qxc4+ 25. Kd1 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Ehrnrooth, Johan"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "E74"]
[PlyCount "64"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[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 a6 8. Qd2 Qa5 9. Bd3 b5 10. Nge2 bxc4 11. Bc2 Nbd7 12. f4 Rb8 13. Rb1 Nb6 14. 0-0 Bd7 15. h3 h6 16. Bh4 Kh7 17. g4 Ba4 18. Bxa4 Nxa4 19. e5 Ng8 20. exd6 exd6 21. f5 Nxc3 22. Nxc3 Bd4+ 23. Kg2 Nf6 24. Bg3 Nxd5 25. Bxd6 Ne3+ 26. Kh1 Qb6 27. fxg6+ fxg6 28. Bxf8 Qc6+ 29. Kh2 Rxf8 30. Rxf8 Qd6+ 31. Kh1 Qxf8 32. Qe2 Qa8+ 0-1

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Embrey, Kevin W"]
[Black "Koskivirta, Ossi"]
[Result "1/2-1/2"]
[ECO "E99"]
[PlyCount "124"]
[EventDate "1991.??.??"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. Rc1 c5 14. Rb1 g5 15. b4 b6 16. bxc5 bxc5 17. Nf2 Ng6 18. Qa4 a6 19. Qc6 Ra7 20. Rb8 Nd7 21. Rb2 Rc7 22. Qa4 h5 23. Rfb1 Qe7 24. Qd1 Nf6 25. h3 Rb7 26. Rxb7 Bxb7 27. Rb6 Qc7 28. Na4 Nd7 29. Rb3 Rb8 30. Qe1 Bc8 31. Ba5 Qa7 32. Bd8 Bf6 33. Qa5 Kf7 34. Bc7 Rxb3 35. axb3 Be7 36. Nd3 Nf6 37. Qb6 Qxb6 38. Nxb6 Bb7 39. b4 cxb4 40. Nxb4 Ne8 41. Bb8 Bd8 42. Na4 a5 43. Nd3 Ba6 44. c5 Bxd3 45. Bxd3 dxc5 46. Ba7 g4 47. hxg4 hxg4 48. fxg4 c4 49. Bxc4 Nd6 50. Bd3 Nf8 51. Kf2 Nd7 52. Kf3 Bh4 53. Nc3 Be1 54. Nb5 Nc8 55. Bg1 a4 56. Ke2 Bb4 57. Bf2 a3 58. Bb1 Nd6 59. Be1 Bc5 60. Nxd6+ Bxd6 61. Kf3 Kf6 62. g3 Kg5 1/2-1/2

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Kivimaeki, Jaakko"]
[Black "Koskivirta, Ossi"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2200"]
[BlackElo "2430"]
[PlyCount "104"]
[EventDate "1991.??.??"]
[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. Nf3 d5 3. e3 c5 4. c4 cxd4 5. exd4 g6 6. Nc3 Bg7 7. h3 0-0 8. Be3 Nc6 9. a3 dxc4 10. Bxc4 Na5 11. Ba2 b6 12. Ne5 Bb7 13. 0-0 Nd5 14. Rc1 Nxe3 15. fxe3 Bxe5 16. dxe5 e6 17. Qd4 Nc6 18. Qf4 Ne7 19. Rfd1 Qe8 20. e4 Rd8 21. Qf6 Nc8 22. Rxd8 Qxd8 23. Rd1 Qc7 24. h4 Ne7 25. Kh2 Nc6 26. Rd6 Re8 27. g4 Qe7 28. Kg3 Qf8 29. Bb3 Nb8 30. Ba4 Rc8 31. Nb5 Bc6 32. Nxa7 Nd7 33. Rxd7 Bxd7 34. Nxc8 Qxc8 35. Bd1 Bb5 36. Qf2 Qc1 37. Qd4 Kg7 38. a4 Ba6 39. g5 h6 40. gxh6+ Kxh6 41. Kf3 Kg7 42. b4 Bc4 43. Kg4 Bf1 44. Bf3 Qc2 45. Kg3 Qxa4 46. Qxb6 Qa1 47. Kf2 Bc4 48. Qc5 Qf1+ 49. Kg3 Qe1+ 50. Kg4 Be2 51. Bxe2 Qxe2+ 52. Kf4 Qe1 1/2-1/2

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Kokkila, Tero"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "67"]
[EventDate "1991.??.??"]
[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 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bg4 8. c4 Nf6 9. cxd5 Bxf3 10. Qxf3 Qxd5 11. Qe2+ Be7 12. Bb5 Qd6 13. Nc3 0-0 14. Bxc6 bxc6 15. Rd1 Rfe8 16. Qf3 Nd5 17. Nxd5 Qxd5 18. Qxd5 cxd5 19. Bf4 Rac8 20. Rac1 c5 21. dxc5 Rxc5 22. Rxc5 Bxc5 23. Kf1 Rd8 24. Rc1 Bb6 25. b4 f6 26. a4 Rd7 27. a5 Bd8 28. Rc6 Kf7 29. Ke2 Rb7 30. Bd6 Be7 31. a6 Rd7 32. Bxe7 Kxe7 33. b5 Kd8 34. Kd3 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Bauer, Manfred"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "52"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 h5 12. 0-0-0 Ne5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qc7 16. Kb1 Rc8 17. f4 Nc4 18. f5 Na3+ 19. Kc1 Qxc3 20. fxg6 Qa1+ 21. Kd2 Qxd4+ 22. Kc1 Qa1+ 23. Kd2 Qc3+ 24. Ke2 Bb5+ 25. Rd3 Bxd3+ 26. cxd3 Qb2+ 0-1

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Dempster, Dave"]
[Result "1/2-1/2"]
[ECO "C42"]
[PlyCount "84"]
[EventDate "1991.??.??"]
[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 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. Qc2 Na6 10. Bxe4 dxe4 11. Qxe4 Re8 12. Qd3 Bg4 13. Bg5 f6 14. Bh4 Nc5 15. Qc3 Ne6 16. Nbd2 Qd7 17. Rfe1 a5 18. a3 Bf4 19. Rad1 Bxd2 20. Qxd2 Bxf3 21. gxf3 Nxd4 22. Rxe8+ Rxe8 23. Kg2 c5 24. Re1 Rxe1 25. Qxe1 a4 26. Bg3 Kf7 27. Qe4 g6 28. Bb8 Qc6 29. Qxc6 bxc6 30. Bf4 Ke6 31. Bd2 g5 32. Kg3 h5 33. Be3 Kf5 34. Kg2 h4 35. Bd2 Ne2 36. Kf1 Nf4 37. Bc3 h3 38. Ke1 Nd3+ 39. Kd2 Ne5 40. Bxe5 Kxe5 41. b3 axb3 42. a4 Kd6 1/2-1/2

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Glaser, Helmut F"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "71"]
[EventDate "1991.??.??"]
[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. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Bd3 h6 11. Qh3 Nb6 12. f5 Nfd5 13. exd5 Bxg5+ 14. Kb1 e5 15. Nf3 Be7 16. g4 Bd7 17. Qf1 Na4 18. Nxa4 Bxa4 19. h4 Rc8 20. Rd2 Bd7 21. Qe1 b5 22. Qe4 f6 23. g5 hxg5 24. Rdh2 gxh4 25. Rxh4 Rxh4 26. Qxh4 Bf8 27. Ng5 fxg5 28. Qh5+ Kd8 29. Qxg5+ Be7 30. Qxg7 Qc5 31. a3 Qe3 32. Rh8+ Kc7 33. Rxc8+ Kxc8 34. Qxe7 Qg1+ 35. Ka2 Qc5 36. f6 1-0

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Kauppala, Pekka"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "134"]
[EventDate "1991.??.??"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Bf5 5. Nf3 Nd7 6. Nh4 Bg6 7. Nxg6 hxg6 8. Qf3 c6 9. Bd2 Ngf6 10. Bc4 Qf5 11. Qxf5 gxf5 12. a4 Rh4 13. Ne2 Ne4 14. Be3 Nb6 15. Bb3 Nd5 16. Bc1 e6 17. f3 Nd6 18. Bg5 Rh5 19. Bd2 Nb6 20. a5 Nd7 21. Nf4 Rh4 22. g3 Rh7 23. Nd3 Be7 24. a6 0-0-0 25. axb7+ Kxb7 26. Be3 a6 27. 0-0-0 Rdh8 28. Nc5+ Kc8 29. Nxa6 Rxh2 30. Rxh2 Rxh2 31. Nb4 Kb7 32. Nd3 Rh3 33. Rg1 g5 34. Kd1 f4 35. gxf4 Nf5 36. Bf2 gxf4 37. c3 Bd6 38. Ke2 Rh2 39. Ke1 Rh3 40. Bd1 Nf8 41. Kf1 Ng6 42. Rg4 Ng3+ 43. Kg2 Rh6 44. Be1 Nh4+ 45. Kg1 Nhf5 46. Bxg3 fxg3 47. Re4 Rh2 48. Re2 Rh8 49. f4 Ra8 50. Kg2 Kc7 51. Re1 Rh8 52. Bg4 Rh2+ 53. Kf3 Rd2 54. Bxf5 exf5 55. Ke3 Rc2 56. Rg1 g2 57. Nc1 c5 58. Nd3 Kc6 59. Ne1 cxd4+ 60. cxd4 Rxb2 61. Rxg2 Rb3+ 62. Nd3 Kd5 63. Rc2 Rb8 64. Ra2 Bc7 65. Ra7 Bb6 66. Rxf7 Bxd4+ 67. Kf3 Rb3 1/2-1/2

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Kubach, Gary L"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "68"]
[EventDate "1991.??.??"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. Qh5 Ne7 12. Ne3 f5 13. exf5 d5 14. Qg5 Rg8 15. 0-0-0 d4 16. Bd3 Qd6 17. Be4 Ra7 18. Ng4 Rc7 19. Rd2 b4 20. Nb1 h6 21. Qh5 Rc5 22. Re1 Bf8 23. h4 Bd7 24. Nh2 a5 25. f4 Bg7 26. Nf3 exf4 27. Nxd4 Bxd4 28. Qd1 Rc4 29. Qe2 Qc5 30. Bd3 Rc3 31. bxc3 bxc3 32. Nxc3 Bxc3 33. f6 Bxf6 34. Qe4 Qc3 0-1

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Malcoci, Victor"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "87"]
[EventDate "1991.??.??"]
[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 g6 2. d4 Bg7 3. Nf3 c6 4. Be2 d5 5. e5 Bg4 6. Nbd2 e6 7. 0-0 Nd7 8. a4 h5 9. h3 Bxf3 10. Nxf3 Nh6 11. a5 c5 12. Bg5 Qc7 13. c3 Rc8 14. Qd2 Nf5 15. b4 c4 16. Bd1 a6 17. Ba4 Bf8 18. g4 hxg4 19. hxg4 Ne7 20. Kg2 Bg7 21. Rh1 Kf8 22. Rxh8+ Bxh8 23. Rh1 Bg7 24. Bh6 Ng8 25. Bxg7+ Kxg7 26. Ng5 Nf8 27. Qe3 f6 28. Rh7+ Nxh7 29. Nxe6+ Kh8 30. Nxc7 Rxc7 31. Qf3 fxe5 32. Qxd5 exd4 33. Qxd4+ Rg7 34. Qxc4 g5 35. Qd4 Nhf6 36. c4 Rc7 37. b5 axb5 38. cxb5 Rd7 39. Qc3 Re7 40. a6 bxa6 41. bxa6 Ra7 42. Bb3 Rxa6 43. Bxg8 Kg7 44. Qc7+ 1-0

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Martin, Brian John Martin"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "75"]
[EventDate "1991.??.??"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. Bd2 c6 8. Qe2 Bb4 9. Ne5 Nbd7 10. Nxd7 Kxd7 11. 0-0-0 Rad8 12. a3 Bxc3 13. Bxc3 Qc7 14. d5 Nxd5 15. Be5 Qb6 16. g4 Bg6 17. Bxg7 Rhg8 18. Bf6 Rde8 19. h4 Kc8 20. Bd4 c5 21. Be5 f6 22. Bg3 Bf7 23. g5 Rg6 24. gxf6 Reg8 25. Qe5 a6 26. Bd3 Rh6 27. Bf5 exf5 28. Rxd5 Bxd5 29. Qxd5 Rxg3 30. Qxf5+ Kc7 31. Qf4+ Qd6 32. Qxh6 Rf3 33. Qxh7+ Kb6 34. Qe7 Qf4+ 35. Kb1 Rxf2 36. Rh3 c4 37. Re3 Qd4 38. Re4 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Pracejus, Michael"]
[Result "1/2-1/2"]
[ECO "B13"]
[PlyCount "83"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. h4 Nf6 7. Nh3 Bg4 8. Be2 Bxe2 9. Qxe2 Bg7 10. Nd2 0-0 11. Nf3 Re8 12. Ne5 Ne4 13. Bf4 f6 14. Nf3 e5 15. dxe5 fxe5 16. Be3 Qa5 17. 0-0 Nd6 18. h5 gxh5 19. Nfg5 h6 20. Qxh5 Qc7 21. f4 Nf7 22. f5 Nxg5 23. f6 Qf7 24. Qg4 Bxf6 25. Nxg5 Qg7 26. Rxf6 Qxf6 27. Nf7+ Kxf7 28. Rf1 Qxf1+ 29. Kxf1 Re6 30. Kg1 Ne7 31. Bc5 b6 32. Qh5+ Kg7 33. Bxe7 Rxe7 34. Qg4+ Kf6 35. Qh4+ Ke6 36. Qxh6+ Kd7 37. Qd2 Kc6 38. c4 d4 39. Qb4 Ree8 40. Qb5+ Kc7 41. c5 Rad8 42. Qc4 1/2-1/2

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Sorensen, T."]
[Result "0-1"]
[ECO "C58"]
[PlyCount "24"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Qe2 Be7 8. b4 Bxb4 9. Qxe5+ Qe7 10. Qxe7+ Bxe7 11. Bxd7+ Nxd7 12. c3 Bxg5 0-1

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Spodny, Josef"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "89"]
[EventDate "1991.??.??"]
[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 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. 0-0 a5 9. a4 cxd4 10. cxd4 Nb4 11. Bb1 b6 12. Re1 Ba6 13. Nf1 Rc8 14. Ra3 b5 15. Bd2 Nc6 16. axb5 Bxb5 17. Ra1 Qb6 18. Bc3 Ndb8 19. Re3 Na6 20. Ne1 Nab4 21. Rh3 Qa6 22. Ne3 Be2 23. Qd2 h6 24. f4 g6 25. Kf2 Bb5 26. g4 Kd7 27. f5 gxf5 28. gxf5 Bg5 29. Rh5 Rcg8 30. Kf3 Bf1 31. Qf2 Bxe3 32. Kxe3 Rg7 33. Rh4 Rhg8 34. Rxh6 Qc4 35. fxe6+ fxe6 36. Rf6 Nxe5 37. Qxf1 Ng4+ 38. Kd2 Nxf6 39. Qxf6 Rg2+ 40. Kc1 Re2 41. Nf3 Nd3+ 42. Bxd3 Qxd3 43. Ne5+ Rxe5 44. Qf7+ Kc6 45. Qxg8 1/2-1/2

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Vitolins, Edvins K"]
[Result "0-1"]
[ECO "B66"]
[PlyCount "46"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. f3 d5 12. Qe1 Bb4 13. a3 Ba5 14. exd5 Bxd5 15. b4 Bb6 16. Bc4 0-0 17. Be5 a5 18. Bxd5 Nxd5 19. Qg3 f6 20. Qg4 Qe7 21. Nxd5 exd5 22. Bc3 Rfc8 23. Bd4 Rc4 0-1

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Kroll, Ove"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E75"]
[PlyCount "81"]
[EventDate "1991.??.??"]
[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 g6 3. e4 d6 4. d4 Bg7 5. Bg5 c5 6. d5 0-0 7. Qd2 e6 8. Nf3 exd5 9. exd5 Re8+ 10. Be2 Bg4 11. 0-0 Nbd7 12. h3 Bxf3 13. Bxf3 a6 14. a4 Qe7 15. Rae1 Qf8 16. Bd1 h6 17. Bf4 Rxe1 18. Rxe1 Re8 19. a5 Rxe1+ 20. Qxe1 Qe8 21. Qxe8+ Nxe8 22. Ba4 Ndf6 23. g4 Kf8 24. Bxe8 Nxe8 25. Ne4 Ke7 26. b3 Bf8 27. Kf1 f5 28. gxf5 gxf5 29. Ng3 Kf6 30. h4 Kg6 31. h5+ Kf6 32. Ke2 Nc7 33. Kf3 Ne8 34. Bd2 Ng7 35. Kf4 Kf7 36. Bc3 Ke8 37. Bxg7 Bxg7 38. Kxf5 Kf7 39. Ne4 Bf8 40. f4 Be7 41. Kg4 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Lanzendoerfer, Johannes"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "103"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 c6 6. Nc3 d5 7. cxd5 cxd5 8. Ne5 e6 9. 0-0 Nfd7 10. f4 f6 11. Nd3 Nc6 12. e3 Kh8 13. b3 Rf7 14. Ba3 Bf8 15. Bxf8 Nxf8 16. Rc1 Bd7 17. g4 f5 18. g5 Be8 19. Rf2 Na5 20. Ne5 Rc7 21. Rfc2 Rac8 22. Bf1 Qe7 23. Nb5 Rxc2 24. Rxc2 Rxc2 25. Qxc2 Nc6 26. Qc5 Qxc5 27. dxc5 Nxe5 28. fxe5 a5 29. a3 Bc6 30. b4 axb4 31. axb4 Kg7 32. Nd4 Nd7 33. b5 Bxb5 34. Bxb5 Nxc5 35. Kf1 h6 36. h4 hxg5 37. hxg5 Kf7 38. Ke1 Ke7 39. Nf3 Kd8 40. Kd2 Ne4+ 41. Kc2 Ke7 42. Kb3 Nf2 43. Kb4 b6 44. Bc6 Ng4 45. Kb5 Nxe3 46. Kxb6 Ng4 47. Kc7 Nf2 48. Bd7 Ne4 49. Bc8 Kf7 50. Kd8 d4 51. Nxd4 Nxg5 52. Kd7 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Larsen, Ole Scholler"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "83"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Bc5 4. d3 d6 5. f4 Nc6 6. Nf3 Bg4 7. Na4 Bb6 8. Nxb6 axb6 9. 0-0 0-0 10. h3 Bxf3 11. Qxf3 b5 12. Bb3 Nd4 13. Qf2 Nd7 14. Be3 Nxb3 15. axb3 f5 16. Qf3 c6 17. Rxa8 Qxa8 18. Bd2 Qa7+ 19. Kh1 Qc5 20. c3 b4 21. exf5 Rxf5 22. Qe4 Rf8 23. Rf3 bxc3 24. bxc3 d5 25. Qe1 Qe7 26. c4 Qe8 27. cxd5 cxd5 28. Bb4 exf4 29. Qf2 Rf6 30. Rxf4 Re6 31. Bc3 Re3 32. Rg4 g6 33. Rg3 Rxg3 34. Qxg3 Qc8 35. Qe1 Kf7 36. Qf2+ Ke6 37. Qe3+ Kf7 38. Bb4 Nf8 39. Qe7+ Kg8 40. Bd6 h6 41. Kh2 b5 42. Kg3 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Lippstreu, Guenter"]
[Black "Koskivirta, Ossi"]
[Result "1/2-1/2"]
[ECO "E80"]
[PlyCount "98"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nc6 6. d5 Ne5 7. f4 Ned7 8. Be3 e5 9. dxe6 fxe6 10. Be2 0-0 11. Nh3 Qe7 12. 0-0 c5 13. Qd2 a6 14. a4 b6 15. Rad1 Ne8 16. Nd5 Qd8 17. Ng5 Ndf6 18. Nc3 Qc7 19. g4 h6 20. Nh3 Bb7 21. Bf3 Nh7 22. f5 g5 23. Nf2 Rb8 24. Kg2 Bc6 25. h4 Bxc3 26. Qxc3 exf5 27. gxf5 Qg7 28. Qxg7+ Kxg7 29. b3 b5 30. axb5 axb5 31. hxg5 Nxg5 32. Bxg5 hxg5 33. Rh1 bxc4 34. bxc4 Rb4 35. Rh5 Rxc4 36. Rxg5+ Kf6 37. Rg6+ Ke7 38. Re6+ Kd7 39. Bh5 Rd4 40. Rxd4 cxd4 41. Bxe8+ Rxe8 42. Rxe8 Kxe8 43. Kf3 Kf7 44. Kf4 Bb5 45. Nh1 Be2 46. Ng3 d3 47. Ke3 Kf6 48. Nxe2 dxe2 49. Kxe2 d5 1/2-1/2

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Llorente Galardy, Jorge"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "81"]
[EventDate "1991.??.??"]
[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. Nf3 d5 2. b3 c5 3. e3 Nf6 4. Bb2 e6 5. Ne5 Nbd7 6. Bb5 a6 7. Bxd7+ Nxd7 8. Nxd7 Bxd7 9. 0-0 f6 10. c4 dxc4 11. bxc4 Bd6 12. Qh5+ g6 13. Qh6 Bf8 14. Qh3 Bg7 15. Nc3 0-0 16. a4 f5 17. Qf3 Bc6 18. Qe2 e5 19. d3 f4 20. exf4 exf4 21. f3 Bd4+ 22. Kh1 Qd7 23. Ne4 Rae8 24. a5 Re5 25. Bxd4 Qxd4 26. Rab1 Rff5 27. Rb3 Rh5 28. h3 Kf7 29. Kh2 Re7 30. Rfb1 Qd8 31. Rb6 Rhe5 32. Rxc6 bxc6 33. Rb6 Qd4 34. Rxc6 Rb7 35. Rb6 Ree7 36. Qd2 Qe3 37. Qb2 Rxb6 38. Qxb6 Qd4 39. Qxa6 Rxe4 40. dxe4 Qf2 41. Qb7+ 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Merilo, Harald"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E74"]
[PlyCount "53"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[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 a6 8. Qd2 Qa5 9. f3 e6 10. h4 b5 11. Bh6 Bxh6 12. Qxh6 bxc4 13. h5 Ra7 14. 0-0-0 exd5 15. g4 Rb7 16. Rxd5 Qb4 17. Rd2 Be6 18. a3 Qa5 19. hxg6 Nbd7 20. g5 Rfb8 21. Rc2 fxg6 22. gxf6 Nxf6 23. Qf4 Ne8 24. Qd2 Nc7 25. Nh3 d5 26. exd5 Bf5 27. Bxc4 1-0

[Event "Baltic Sea tt6 corr9196"]
[Site "corr"]
[Date "1991.??.??"]
[Round "?"]
[White "Pyshkin, Aleksandr Sergeevic"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "61"]
[EventDate "1991.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. d5 Qb6 5. Nd2 Nxd2 6. Bxd2 Qxb2 7. e4 f5 8. Bd3 fxe4 9. Bxe4 Qe5 10. f3 b6 11. Ne2 Bb7 12. 0-0 Na6 13. c4 0-0-0 14. a4 e6 15. Bf4 Qf6 16. a5 exd5 17. Bxd5 Nb4 18. Bxb7+ Kxb7 19. axb6 axb6 20. Qa4 Bd6 21. Rfd1 Bxf4 22. Nxf4 Qc6 23. Qa7+ Kc8 24. Nd5 Nxd5 25. cxd5 Qb7 26. d6 Qxa7 27. Rxa7 Kb8 28. Rc7 Rc8 29. Rxd7 g6 30. Rb1 Rc6 31. Ra1 1-0

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Tanni, Kalle"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "94"]
[EventDate "1991.??.??"]
[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 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Bg4 8. Re1 Be7 9. c3 f5 10. Qb3 Qd6 11. Nfd2 Nxd2 12. Nxd2 0-0 13. h3 Bh5 14. Be2 Bxe2 15. Rxe2 Bf6 16. Nf3 Rae8 17. Rxe8 Rxe8 18. g3 Nd8 19. Bf4 Qd7 20. Be5 c6 21. Kg2 Nf7 22. Re1 Ng5 23. Nxg5 Bxg5 24. f4 Bd8 25. Qd1 Qf7 26. g4 Bh4 27. Re3 Re6 28. Qe2 h6 29. Bb8 Re4 30. gxf5 Rxe3 31. Qxe3 Qxf5 32. Qe2 Qg6+ 33. Kh1 Kh7 34. a3 a5 35. a4 b5 36. axb5 cxb5 37. Be5 b4 38. cxb4 axb4 39. Qd1 b3 40. f5 Qxf5 41. Qxb3 Qf1+ 42. Kh2 Qe2+ 43. Kh1 Bf2 44. h4 Qf1+ 45. Kh2 Qg1+ 46. Kh3 Qh1+ 47. Kg4 Qg2+ 0-1

[Event "FIN jub30-C corr9196"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Werner, Clemens"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "74"]
[EventDate "1991.??.??"]
[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. d4 Nf6 2. Bg5 c5 3. Bxf6 gxf6 4. d5 Qb6 5. Qc1 f5 6. e3 Bg7 7. c3 Qf6 8. Nf3 d6 9. a4 e5 10. Bb5+ Bd7 11. Na3 a6 12. Bxd7+ Nxd7 13. Nc4 b6 14. 0-0 0-0 15. Qc2 b5 16. Na3 Rab8 17. axb5 e4 18. Nd2 axb5 19. f3 Ne5 20. fxe4 Qh6 21. Rxf5 Ng4 22. Nf1 Nxe3 23. Nxe3 Qxe3+ 24. Kf1 Qh6 25. h3 Rfe8 26. Re1 Re5 27. Rf3 Rbe8 28. Nxb5 f5 29. Nc7 fxe4 30. Rfe3 R8e7 31. Ne6 Qh4 32. Kg1 Rf7 33. R1e2 Ref5 34. Nxg7 Kxg7 35. Rxe4 Rf4 36. Kh2 Rxe4 37. Rxe4 Rf2 1-0

[Event "W-ch18 sf02 corr8994"]
[Site "ICCF corr"]
[Date "1989.??.??"]
[Round "?"]
[White "Bondar, Vladimir N"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "69"]
[EventDate "1989.??.??"]
[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. Nc3 d5 3. Qd3 Nc6 4. Bf4 Nb4 5. Qd2 Bf5 6. Rc1 e6 7. e3 Ne4 8. Nxe4 dxe4 9. a3 Nd5 10. Bg3 Be7 11. Bb5+ c6 12. Ba4 0-0 13. Ne2 Bf6 14. 0-0 h5 15. h3 h4 16. Bh2 Nb6 17. Bb3 e5 18. Rfd1 exd4 19. Nxd4 Bg6 20. Qe2 Qc8 21. c3 Nd7 22. Ne6 Re8 23. Nc7 Be5 24. Bxe5 Nxe5 25. Nxa8 Qxa8 26. Rd6 Qc8 27. Rxg6 Nxg6 28. Qh5 Kf8 29. Qc5+ Kg8 30. Qg5 Kf8 31. Rd1 Re7 32. Rd4 Qe8 33. Qc5 Kg8 34. Qxa7 Nf4 35. exf4 1-0

[Event "W-ch18 sf02 corr8994"]
[Site "ICCF corr"]
[Date "1989.??.??"]
[Round "?"]
[White "Gouw, Carol Peter"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E74"]
[PlyCount "47"]
[EventDate "1989.??.??"]
[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 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 h6 8. Bf4 e6 9. dxe6 Bxe6 10. Qd2 Qb6 11. Bxh6 Bxh6 12. Qxh6 Qxb2 13. Rc1 Nc6 14. h4 Ne5 15. Nh3 Bxc4 16. Bxc4 Nxc4 17. 0-0 Nd2 18. Rfe1 Ng4 19. Qf4 Ne5 20. h5 Nd3 21. Qh6 Nxe1 22. Nd5 Rfe8 23. hxg6 fxg6 24. Rc3 1-0

[Event "corr"]
[Site "corr"]
[Date "1989.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "D'Adamo, Ettore"]
[Result "1/2-1/2"]
[ECO "B04"]
[PlyCount "34"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 e6 8. f4 dxe5 9. fxe5 c5 10. c3 cxd4 11. cxd4 0-0 12. 0-0 Nc6 13. Be3 Nd5 14. Bxd5 exd5 15. Nc3 f6 16. exf6 Bxf6 17. Qf3 Bf5 1/2-1/2

[Event "W-ch18 sf02 corr8994"]
[Site "ICCF corr"]
[Date "1989.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Lambert, Grant R"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "70"]
[EventDate "1989.??.??"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. 0-0-0 Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. Bh6 Nxe4 17. Qe3 Rxc3 18. bxc3 Nf6 19. Bxg7 Kxg7 20. Qh6+ Kh8 21. Ne2 Rg8 22. Qe3 Be6 23. g5 Nd7 24. Qe4 Rg7 25. Qxb7 Qa5 26. f4 h5 27. gxh6 Rg8 28. Kd2 Rb8 29. Qe4 Nf6 30. Qe3 Kh7 31. Rdg1 Bf5 32. Ng3 Rb2 33. Nxf5 Qxf5 34. Rc1 Ne4+ 35. Ke2 Rxa2 0-1

[Event "corr"]
[Site "corr"]
[Date "1989.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Veinger, Itzhak"]
[Result "0-1"]
[ECO "B36"]
[PlyCount "86"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. f3 Bg7 9. Bg5 0-0 10. Qd2 Be6 11. Rc1 Qa5 12. b3 Rfc8 13. Be2 a6 14. Na4 Qxd2+ 15. Kxd2 Nd7 16. Rhd1 Kf8 17. Ke1 Rab8 18. Bf4 b6 19. Nc3 b5 20. Nd5 b4 21. Nxe7 Kxe7 22. Bxd6+ Ke8 23. Bxb8 Rxb8 24. f4 Bb2 25. Rb1 Bc3+ 26. Kf2 Nc5 27. Ke3 Rb7 28. Rd6 Re7 29. Rbd1 f6 30. Rd8+ Kf7 31. Rh8 Kg7 32. Rdd8 Bf7 33. Bf3 a5 34. Ra8 a4 35. bxa4 Nxa4 36. Rhb8 Nc5 37. Rb5 Ne6 38. Ra4 Be8 39. Raxb4 Bxb5 40. Rxb5 Bd4+ 41. Kd3 Bg1 42. h3 Nxf4+ 43. Kc3 Ra7 0-1

[Event "W-ch18 sf02 corr8994"]
[Site "ICCF corr"]
[Date "1989.??.??"]
[Round "?"]
[White "Lopepe, Pedro Antonio"]
[Black "Koskivirta, Ossi"]
[Result "1/2-1/2"]
[ECO "E74"]
[PlyCount "65"]
[EventDate "1989.??.??"]
[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 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 h6 8. Bf4 e6 9. dxe6 Bxe6 10. Bxd6 Re8 11. Nf3 Nc6 12. 0-0 Nd4 13. e5 Nd7 14. Nxd4 cxd4 15. Qxd4 Nxe5 16. Bxe5 Qxd4 17. Bxd4 Bxd4 18. Rac1 Rad8 19. b3 Bxc3 20. Rxc3 Rd2 21. Bf3 Rxa2 22. Bxb7 Rb8 23. Bf3 Ra3 24. Bd1 a5 25. Rc1 Rc8 26. Re1 a4 27. bxa4 Rxc4 28. Rxc4 Bxc4 29. Bc2 Ra2 30. Rc1 Kg7 31. Bd1 Be6 32. Kf1 Kf6 33. Rb1 1/2-1/2

[Event "EU-chT4 qual 1-02 corr"]
[Site "ICCF corr"]
[Date "1988.??.??"]
[Round "?"]
[White "Goebel, Wolfgang"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "C42"]
[PlyCount "64"]
[EventDate "1988.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc3 Nxc3 5. dxc3 f6 6. Nh4 g6 7. f4 c6 8. f5 d5 9. fxg6 dxc4 10. Qh5 Kd7 11. g7 Bxg7 12. Qg4+ Kd6 13. Qxg7 Qf8 14. Qxf8+ Rxf8 15. Bh6 Rg8 16. 0-0 Ke7 17. b3 Na6 18. Rae1 Nc7 19. Nf5+ Bxf5 20. Rxf5 cxb3 21. cxb3 Ke6 22. Rh5 Rad8 23. h3 Nb5 24. c4 Nd4 25. Kf2 a5 26. g4 a4 27. bxa4 Rd7 28. a5 Ra8 29. Bd2 Nc2 30. Re2 Na3 31. c5 Nb5 32. Bh6 Rf8 0-1

[Event "EU-chT4 qual 1-02 corr"]
[Site "ICCF corr"]
[Date "1988.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Larsen, Bjorn"]
[Result "1/2-1/2"]
[ECO "B99"]
[PlyCount "71"]
[EventDate "1988.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Bd3 b5 11. Rhe1 Bb7 12. Qg3 b4 13. Nd5 exd5 14. exd5 Kd8 15. Qe3 Nb6 16. Nf5 Nbxd5 17. Qe2 Rc8 18. Nxe7 Nxe7 19. Bxf6 gxf6 20. Qh5 Bxg2 21. Rd2 b3 22. axb3 Bd5 23. Rxe7 Kxe7 24. Qxd5 Qc5 25. Re2+ Kf8 26. Qe4 d5 27. Qf5 Qc6 28. Qh3 h5 29. Bf5 Rc7 30. Rg2 Re7 31. Qg3 Re8 32. c3 Qb6 33. Qg7+ Ke7 34. Re2+ Kd8 35. Rd2 Ke7 36. Re2+ 1/2-1/2

[Event "EU-chT4 qual 1-02 corr"]
[Site "ICCF corr"]
[Date "1988.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Wills, Mike W"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "51"]
[EventDate "1988.??.??"]
[EventType "team (corr)"]
[EventRounds "11"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. h3 Qb6 8. Qb3 Qxb3 9. axb3 Bd7 10. Na3 Bg7 11. Nf3 0-0 12. 0-0 Rfd8 13. Rfc1 Ne8 14. b4 a6 15. b5 axb5 16. Nxb5 e6 17. g4 Na5 18. Nd2 Bxb5 19. Bxb5 Nc6 20. Nb3 Bf8 21. Nc5 Na7 22. Bxe8 Bxc5 23. Bxf7+ Kxf7 24. dxc5 Nb5 25. Be5 Rdc8 26. f4 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Hadrys, Bogdan"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "49"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qd6 6. d3 f6 7. Be3 Bg4 8. Nbd2 0-0-0 9. Rb1 Ne7 10. b4 g5 11. a4 Bd7 12. Nb3 f5 13. Nxe5 Qxe5 14. Bd4 Qd6 15. Bxh8 Qh6 16. Bc3 Ng6 17. f3 Bd6 18. g3 fxe4 19. fxe4 Qh3 20. Qd2 h5 21. Qg2 Qg4 22. Nd2 h4 23. Nc4 Bxg3 24. hxg3 hxg3 25. Ne5 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Kleiman, Boris Moiseevich"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E05"]
[PlyCount "79"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bf4 Nbd7 11. a5 Nd5 12. Nc3 Nxc3 13. bxc3 Bd6 14. Bxd6 cxd6 15. Qb4 d5 16. c4 dxc4 17. Qxc4 Rc8 18. Rfc1 Qe7 19. Ne1 Bxg2 20. Qxc8 Rxc8 21. Rxc8+ Nf8 22. Nxg2 g5 23. Rac1 Kg7 24. Ne3 Qa3 25. Rb1 Qxa5 26. Rxb7 Qa1+ 27. Kg2 Qxd4 28. Rcc7 Kg6 29. Rxf7 h5 30. h4 gxh4 31. Rf4 Qd6 32. Rbf7 Nd7 33. g4 Kg5 34. Rc4 Nf6 35. gxh5 h3+ 36. Kxh3 Nxh5 37. Rg4+ Kh6 38. Rg8 Nf4+ 39. Kg4 Ng6 40. Rf6 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Bryszkowski, Pawel"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "67"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. Nbd2 a6 7. Nf1 Ng4 8. d4 exd4 9. cxd4 Bb4+ 10. Bd2 0-0 11. Bxb4 Nxb4 12. Qd2 Nc6 13. Ng3 Nf6 14. 0-0 Bg4 15. Be2 Re8 16. d5 Nb8 17. h3 Bxf3 18. Bxf3 Nbd7 19. Rac1 Nc5 20. Rfe1 a5 21. e5 Nfd7 22. e6 Nf6 23. Qg5 fxe6 24. Rxc5 dxc5 25. dxe6 Kh8 26. Nf5 Rg8 27. e7 Qe8 28. Nh6 c6 29. Re6 Qg6 30. Bh5 Qxh6 31. Qxh6 gxh6 32. Rxf6 Kg7 33. Re6 Rae8 34. f4 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Dambrauskas, Virginijus A"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "52"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Qf3 Be6 14. Rd1 0-0 15. Nc2 Rc8 16. Nce3 f5 17. a4 f4 18. Nc2 e4 19. Qe2 Ne5 20. Qd2 Bg4 21. Ra1 e3 22. fxe3 f3 23. Nf4 fxg2 24. Qd5+ Kh8 25. Bxg2 Qh4+ 26. Kd2 Rc5 0-1

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Gebuhr, Guenter"]
[Result "1-0"]
[ECO "B65"]
[PlyCount "57"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f4 Nxd4 10. Qxd4 h6 11. Bh4 Qa5 12. Bc4 e5 13. fxe5 dxe5 14. Qd3 Qc5 15. Bxf6 Bxf6 16. Qe2 a6 17. Kb1 b5 18. Bb3 Be6 19. Nd5 Bd8 20. h4 a5 21. Ne3 Bb6 22. Nf5 Bxf5 23. exf5 Rad8 24. f6 a4 25. Qg4 g5 26. hxg5 Rxd1+ 27. Rxd1 h5 28. Bxf7+ Rxf7 29. Qe6 1-0

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Heinola, Kari P"]
[Result "1/2-1/2"]
[ECO "B00"]
[PlyCount "36"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne5 5. Bf4 Ng6 6. Bg3 f5 7. h4 e5 8. h5 Nf4 9. Bh4 Be7 10. g3 g5 11. hxg6 Nxg6 12. Bxe7 Qxe7 13. Nb5 Nf6 14. d6 cxd6 15. Nxd6+ Kf8 16. Bh3 Kg7 17. Nxc8 Raxc8 18. Bxf5 Qb4+ 1/2-1/2

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Kapstas, Enno"]
[Result "1/2-1/2"]
[ECO "C59"]
[PlyCount "73"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Qd4 11. f4 Bc5 12. Rf1 Qd8 13. d4 exd3 14. Qxd3 Qc7 15. Bd2 0-0 16. b4 Rd8 17. Qf3 Bd4 18. Bc3 Nb7 19. Bxd4 Rxd4 20. Qxc6 Qe7 21. c3 Rd6 22. Qf3 Be6 23. Nd2 Bd5 24. Qh3 Re8 25. Rf2 Be6 26. Qe3 Nd5 27. Qf3 Nb6 28. c4 f6 29. Ng6 Qd7 30. f5 Bf7 31. Qc3 Rd3 32. Qc2 Qd4 33. Rc1 Na4 34. Nb1 Nb2 35. Rf4 Qg1+ 36. Rf1 Qd4 37. Rf4 1/2-1/2

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Kopp, Bernhard"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "63"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[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 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 Qb6 8. g3 a5 9. Ne2 a4 10. Bh3 Be7 11. 0-0 Nf8 12. Qc2 Bd7 13. Be3 g6 14. dxc5 Bxc5 15. Bxc5 Qxc5+ 16. Ned4 Nxd4 17. Nxd4 Bb5 18. Rf2 Nd7 19. f5 Nxe5 20. fxe6 f5 21. Bxf5 0-0 22. Re1 Rxf5 23. Rxf5 Bd3 24. Qf2 Bxf5 25. Rxe5 a3 26. g4 axb2 27. Qxb2 Qc7 28. Re1 Bxg4 29. Qb3 Kh8 30. Qxd5 Ra5 31. Nb5 Qe7 32. Qd6 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Larsson, Per Erik"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "43"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe7 5. Qxe4 d6 6. d4 dxe5 7. dxe5 Nc6 8. Nc3 Qxe5 9. Qxe5+ Nxe5 10. Bf4 Bd6 11. Bg3 Bd7 12. 0-0-0 0-0-0 13. Ne4 Bc6 14. Nxd6+ cxd6 15. f3 Rhe8 16. Rd2 f5 17. h4 h6 18. h5 Rf8 19. Rh4 Rf7 20. Rhd4 Rfd7 21. Bh4 g5 22. hxg6 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Nieminen, Veikko"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "91"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ Bd7 7. Qe2 Bd6 8. Nc3 0-0 9. Bxd7 Qxd7 10. 0-0 Rae8 11. a3 Be7 12. Nf3 e4 13. Nxe4 Nxd5 14. d4 f5 15. Ng3 Bd6 16. Qd3 b5 17. a4 a6 18. axb5 Nb4 19. Qd1 Qxb5 20. b3 f4 21. c4 Nxc4 22. bxc4 Qxc4 23. Nh5 g6 24. Nxf4 Bxf4 25. Bxf4 Rxf4 26. Rc1 Qf7 27. Ne5 Qd5 28. Nf3 c6 29. Qd2 Qd6 30. Rc5 Nd5 31. Rfc1 Rxf3 32. gxf3 Qf6 33. Qd1 Nf4 34. Kh1 Ne2 35. Qb3+ Kg7 36. Rd1 Nf4 37. Re5 Rxe5 38. dxe5 Qxe5 39. Qe3 Kf6 40. Qb6 Kg7 41. Qxc6 Qg5 42. Qd7+ Kh6 43. Qg4 Qf6 44. h4 a5 45. Rd7 a4 46. Qg5+ 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Letulevics, Janis"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "C95"]
[PlyCount "70"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. b4 Bf8 14. Bb2 Nb6 15. a3 a5 16. Rc1 Nfd7 17. Bb1 c5 18. bxc5 dxc5 19. dxe5 c4 20. Bc2 Nxe5 21. Nxe5 Rxe5 22. Nf3 Re8 23. Nd4 b4 24. axb4 axb4 25. cxb4 Bxb4 26. Re3 Ra2 27. Rb1 Bc5 28. Bc3 Ra3 29. Qh5 Rxc3 30. Qxc5 Nd7 31. Qb5 Rxe3 32. Qxb7 Nc5 33. Qb5 R3xe4 34. Bxe4 Nxe4 35. Re1 Qc8 0-1

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Perlstrom, Sigurd"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "C39"]
[PlyCount "72"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf6 6. d4 d6 7. Nd3 Nxe4 8. Bxf4 Qe7 9. Qe2 Bg7 10. c3 h5 11. Nd2 Nxd2 12. Qxe7+ Kxe7 13. Kxd2 Be6 14. Re1 Kd7 15. b3 Nc6 16. Nb2 Ne7 17. Bd3 Nd5 18. Bg5 c5 19. Bb5+ Kc8 20. Rhf1 a6 21. Bc4 cxd4 22. cxd4 Bxd4 23. Bxd5 Bxd5 24. Bf6 Bxf6 25. Rxf6 Kc7 26. Nc4 Be6 27. Rc1 Raf8 28. Ke3 b5 29. Nd2+ Kd7 30. Ne4 Rc8 31. Rcf1 Rc2 32. Rxf7+ Bxf7 33. Rxf7+ Kc6 34. Rf6 Rxa2 35. Rxd6+ Kc7 36. Rf6 Rxg2 0-1

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Reichel, Alfred"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "E80"]
[PlyCount "65"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[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. f3 Nc6 6. Be3 a6 7. Qd2 Rb8 8. Nge2 Bd7 9. g4 b5 10. h4 e5 11. d5 Na5 12. Ng3 h5 13. g5 Nh7 14. c5 dxc5 15. Bxc5 Nb7 16. Be3 Nd6 17. b3 0-0 18. Rc1 f5 19. exf5 Nxf5 20. Nxf5 Bxf5 21. Be2 Qd7 22. Ne4 Rfd8 23. 0-0 Qxd5 24. Qxd5+ Rxd5 25. Rxc7 Rdd8 26. Rfc1 Nf8 27. R1c6 Ne6 28. Ra7 Nd4 29. Bxd4 exd4 30. Rcc7 Be5 31. Nf6+ Bxf6 32. gxf6 g5 33. hxg5 1-0

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Soldner, Hartmut"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "E80"]
[PlyCount "62"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[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. f3 Nc6 6. Be3 a6 7. Qd2 Rb8 8. Nge2 Bd7 9. Nc1 e5 10. d5 Nd4 11. Bxd4 exd4 12. Qxd4 0-0 13. Qd2 Nh5 14. g3 f5 15. Bg2 fxe4 16. Nxe4 b5 17. c5 dxc5 18. Nxc5 Qe7+ 19. Ne4 Qe5 20. 0-0 Qxb2 21. Qxb2 Bxb2 22. Rb1 Bd4+ 23. Kh1 Nf6 24. Nb3 Bb6 25. Nec5 Bf5 26. Rbd1 a5 27. g4 Bc8 28. a4 bxa4 29. Nxa4 Ba6 30. Rfe1 Bc4 31. Nbc5 Rfd8 0-1

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Stald, Flemming"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "C91"]
[PlyCount "104"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. Be3 exd4 11. cxd4 d5 12. e5 Ne4 13. Nc3 Nxc3 14. bxc3 Qd7 15. h3 Bh5 16. Bf4 Na5 17. Bc2 Nc4 18. Qd3 Bg6 19. Qe2 Bxc2 20. Qxc2 h6 21. Re2 a5 22. Rae1 Ra6 23. Nh2 b4 24. Ng4 Qe6 25. Bc1 Qg6 26. cxb4 axb4 27. Qb3 c5 28. Rd1 Qe6 29. Ne3 Nxe3 30. Qxe3 c4 31. Rdd2 Rfa8 32. f4 Qf5 33. Rc2 Bd8 34. Qf3 Ra5 35. Kh2 Bb6 36. Be3 c3 37. Bf2 Bd8 38. g4 Qc8 39. f5 Rxa2 40. Qxd5 Rxc2 41. Rxc2 Ra3 42. Be1 Ra1 43. Bf2 Qa8 44. Qb5 Rh1+ 45. Kg3 Bh4+ 46. Kxh4 Qg2 47. Qd3 b3 48. Rxc3 Qxf2+ 49. Kh5 Qf4 50. Kh4 h5 51. Qe2 hxg4 52. Rg3 Rxh3+ 0-1

[Event "Baltic Sea tt5 B10 corr8691"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Stepanov, Oleg Mikhailovich"]
[Black "Koskivirta, Ossi"]
[Result "1/2-1/2"]
[ECO "C91"]
[PlyCount "69"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "15"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. d5 Na5 11. Bc2 c6 12. h3 Bxf3 13. Qxf3 cxd5 14. exd5 Nc4 15. Nd2 Rc8 16. Nxc4 Rxc4 17. b4 Kh8 18. Bd2 Ng8 19. Bd3 Rc7 20. a4 f5 21. Bf1 Bg5 22. Bxg5 Qxg5 23. axb5 axb5 24. Bxb5 Nf6 25. Bc6 f4 26. b5 Re7 27. g3 fxg3 28. Qxg3 Qf5 29. b6 Ne4 30. Qg2 Nxf2 31. Rf1 Ref7 32. Rxf2 Qxf2+ 33. Qxf2 Rxf2 34. b7 R2f7 35. Ra8 1/2-1/2

[Event "DDR-FIN corr"]
[Site "DDR"]
[Date "1984.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Pichler, Manfred"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "83"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[EventCountry "DDR"]
[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 Nf6 4. Ng5 d5 5. exd5 b5 6. Bf1 Nd4 7. c3 Nxd5 8. cxd4 Qxg5 9. Bxb5+ Kd8 10. Qf3 Bb7 11. 0-0 e4 12. Qxe4 Bd6 13. Re1 c6 14. Bf1 Kc7 15. Qf3 f5 16. Nc3 Nb4 17. d3 Qh4 18. g3 Qf6 19. Bf4 Rad8 20. Be5 Bxe5 21. dxe5 Qe6 22. Rac1 c5 23. Qe3 Qc6 24. Ne4 Na6 25. Rxc5 Nxc5 26. Rc1 Kb8 27. Rxc5 Qb6 28. Nd6 f4 29. gxf4 Rd7 30. Bg2 Ba6 31. Rc3 Qxe3 32. fxe3 Rhd8 33. b4 Rc7 34. Rxc7 Kxc7 35. b5 Bc8 36. Nxc8 Rxc8 37. Bc6 a6 38. a4 axb5 39. axb5 Rf8 40. d4 g5 41. d5 gxf4 42. d6+ 1-0

[Event "DDR-FIN corr"]
[Site "DDR"]
[Date "1984.??.??"]
[Round "?"]
[White "Pichler, Manfred"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C80"]
[PlyCount "79"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[EventCountry "DDR"]
[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 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 d4 11. Bxe6 Nxe6 12. cxd4 Ncxd4 13. Ne4 c5 14. Nxd4 Nxd4 15. Bg5 Qd5 16. Re1 b4 17. Rc1 Rc8 18. Bf6 Kd7 19. Kh1 Kc6 20. Bg5 Kb7 21. a3 b3 22. f4 Rc7 23. f5 Rd7 24. Nc3 Qc6 25. e6 fxe6 26. fxe6 Be7 27. Ne4 Nxe6 28. Qxb3+ Ka8 29. Bxe7 Rxe7 30. Nxc5 Nf4 31. Qf3 Qxf3 32. gxf3 Rxe1+ 33. Rxe1 Rd8 34. Nxa6 Rd2 35. b3 Rd3 36. Rb1 Rxf3 37. a4 Nd3 38. b4 Kb7 39. b5 Rf4 40. Rb3 1-0

[Event "FIN-ch27 corr"]
[Site "Finland"]
[Date "1982.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Rasanen, Seppo"]
[Result "1-0"]
[ECO "C59"]
[PlyCount "79"]
[EventDate "1982.??.??"]
[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 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. f4 Qc7 12. 0-0 0-0 13. Nc3 Rd8 14. d3 Bxe5 15. fxe5 Qxe5 16. Qe1 exd3 17. Bxd3 Qxe1 18. Rxe1 Be6 19. Bf4 Nb7 20. Ne4 Nd5 21. Bd2 a5 22. a3 Ne7 23. Bf4 Ng6 24. Nf6+ gxf6 25. Bxg6 Kg7 26. Be4 Bd5 27. Bf5 Nd6 28. Bd3 Be6 29. Re3 Nf5 30. Rh3 Rh8 31. Rf1 Ne7 32. Rg3+ Kf8 33. Bd6 Ke8 34. Rxf6 Nd5 35. Rxe6+ Kd7 36. Re1 Kxd6 37. Rf3 Ra7 38. c4 Nb6 39. b4 axb4 40. axb4 1-0

[Event "FIN-ch27 corr"]
[Site "Finland"]
[Date "1982.??.??"]
[Round "?"]
[White "Rompotti, Pertti"]
[Black "Koskivirta, Ossi"]
[Result "1-0"]
[ECO "C91"]
[PlyCount "123"]
[EventDate "1982.??.??"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. d4 Bg4 10. d5 Na5 11. Bc2 c6 12. h3 Bxf3 13. Qxf3 cxd5 14. exd5 Rc8 15. Nd2 Nc4 16. Nxc4 bxc4 17. b4 Kh8 18. Be3 Ng8 19. a4 f5 20. a5 Bg5 21. Bxg5 Qxg5 22. Ba4 Nf6 23. Bc6 f4 24. b5 e4 25. Rxe4 Nxe4 26. Qxe4 f3 27. g3 Rc7 28. Qd4 Re7 29. bxa6 Re2 30. a7 Qe7 31. Kf1 h5 32. a8Q Rxa8 33. Bxa8 Re4 34. Qd1 Re2 35. h4 Qa7 36. Qd4 Qd7 37. g4 hxg4 38. Qf4 Qa7 39. Qg3 Qxa8 40. Qxd6 g3 41. Qxg3 Qxd5 42. a6 Qd3 43. Kg1 Qxc3 44. Rd1 Qa5 45. Qb8+ Kh7 46. Qb1+ Kg8 47. a7 Re8 48. Qb8 Qh5 49. Qg3 Qf7 50. Ra1 Ra8 51. Qb8+ Kh7 52. Ra5 Qg6+ 53. Rg5 Qe4 54. Rh5+ Kg6 55. Qg3+ Kf7 56. Re5 Qd3 57. Rg5 g6 58. h5 Rxa7 59. Rxg6 Qd4 60. Qxf3+ Ke7 61. h6 Rd7 62. h7 1-0

[Event "FIN-ch E17 corr"]
[Site "Finland"]
[Date "1980.??.??"]
[Round "?"]
[White "Ahava, Seppo"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "C95"]
[PlyCount "78"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. b4 Bf8 14. a4 Nb6 15. a5 Nbd7 16. Bb2 Rb8 17. Rb1 h6 18. c4 bxc4 19. dxe5 Nxe5 20. Nxe5 dxe5 21. Bc3 c5 22. bxc5 Bxc5 23. Nf3 Qc7 24. Qe2 Nh5 25. Nd2 Nf4 26. Qxc4 Qc6 27. Kf1 Rbc8 28. g3 Qd7 29. gxf4 Qxh3+ 30. Ke2 Bxf2 31. Qd3 Qxd3+ 32. Bxd3 Bxe1 33. Rxb7 Rxc3 34. Bc4 Rxc4 35. Nxc4 exf4 36. Nd6 Re6 37. Rb8+ Kh7 38. Nxf7 Rxe4+ 39. Kf3 Re7 0-1

[Event "FIN-ch E17 corr"]
[Site "Finland"]
[Date "1980.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Marttinen, Pertti"]
[Result "1-0"]
[ECO "C59"]
[PlyCount "69"]
[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. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. f4 exf3 12. Nxf3 0-0 13. 0-0 Re8 14. Nc3 Bg4 15. d4 Qc7 16. h3 Bh5 17. Nh4 Bxe2 18. Nxe2 Re6 19. Nf5 Rae8 20. Bf4 Bxf4 21. Nxf4 Re4 22. Qf3 Qd7 23. Nd3 Qd5 24. Nxh6+ gxh6 25. Qxf6 Qxd4+ 26. Qxd4 Rxd4 27. Rae1 Rde4 28. Rxe4 Rxe4 29. Rf5 Nb7 30. Nc5 Nd6 31. Nxe4 Nxf5 32. Kf2 Kf8 33. Ng3 Nh4 34. Ne2 Ke7 35. Nd4 1-0

[Event "FIN-ch E17 corr"]
[Site "Finland"]
[Date "1980.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Valo, Veikko"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "97"]
[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. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 Bd7 10. Be2 c4 11. 0-0 f6 12. exf6 gxf6 13. Nh4 Ng6 14. Bh5 0-0-0 15. Bxg6 hxg6 16. Nxg6 Rhg8 17. Nf4 e5 18. Ne2 Qc7 19. f3 Rh8 20. Be1 Bf5 21. Bg3 Qh7 22. Ra2 Qh6 23. Qc1 Qxc1 24. Rxc1 Rd7 25. Kf2 Rdh7 26. Rb2 Re8 27. Rb5 Rd7 28. Bh4 Re6 29. g4 Bh7 30. f4 exd4 31. cxd4 Rxe2+ 32. Kxe2 Nxd4+ 33. Kf2 Nxb5 34. axb5 Rd6 35. f5 a6 36. Ra1 Kd7 37. bxa6 bxa6 38. Rb1 Bg8 39. Bg3 Rc6 40. Rb7+ Ke8 41. h4 d4 42. h5 c3 43. Ke2 Bc4+ 44. Kd1 Kf8 45. h6 Bg8 46. h7 Bxh7 47. Rxh7 Rc4 48. Rc7 Ra4 49. g5 1-0

[Event "FIN-ch E17 corr"]
[Site "Finland"]
[Date "1980.??.??"]
[Round "?"]
[White "Kukkula, Juhani"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "E83"]
[PlyCount "70"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. a3 Re8 9. Qd2 Bd7 10. b4 b5 11. cxb5 axb5 12. d5 Nxb4 13. Nd4 e6 14. dxe6 fxe6 15. Bxb5 Bxb5 16. Ndxb5 Nc6 17. 0-0 Ne5 18. Qb2 d5 19. exd5 exd5 20. Rad1 c6 21. Nd4 Qd6 22. Nb1 Neg4 23. fxg4 Rxe3 24. h3 Ne4 25. Qc2 Rxh3 26. Nf3 Rh6 27. Rfe1 Nc3 28. Rd2 Nxb1 29. Rxb1 Rxa3 30. Kf2 Rc3 31. Qa4 Qc5+ 32. Nd4 Qf8+ 33. Kg1 Be5 34. Nf3 Qc5+ 35. Nd4 Rc1+ 0-1

[Event "FIN-ch ME27 qual corr"]
[Site "Finland"]
[Date "1978.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Sysioja, Heikki"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "43"]
[EventDate "1978.??.??"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Qa5 9. Bd2 c4 10. Be2 Bd7 11. 0-0 f6 12. Re1 f5 13. Qb1 Nd8 14. Qb4 Qc7 15. Bg5 Ndc6 16. Qc5 b6 17. Qd6 Qxd6 18. exd6 Nc8 19. Bxc4 dxc4 20. d5 Nd8 21. Rad1 Kf7 22. Ne5+ 1-0

[Event "FIN corr"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koski, Pekka"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "E90"]
[PlyCount "84"]
[EventDate "1977.??.??"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 c5 6. dxc5 Qa5 7. Bd2 dxc5 8. Nd5 Qd8 9. Bc3 Nc6 10. Qc2 e6 11. Nxf6+ Bxf6 12. e5 Bg7 13. Qe4 Qc7 14. Rd1 b6 15. Be2 Bb7 16. 0-0 Nd4 17. Qe3 Nxe2+ 18. Qxe2 0-0 19. Ng5 h6 20. Ne4 Bxe5 21. Nf6+ Bxf6 22. Bxf6 Qf4 23. Be5 Qe4 24. Qxe4 Bxe4 25. Bf6 g5 26. f3 Bc6 27. h4 gxh4 28. Kf2 Kh7 29. Rh1 Kg6 30. Bxh4 b5 31. Rh3 bxc4 32. Be7 Rfe8 33. Bxc5 Rab8 34. Rg3+ Kf5 35. Rd6 Rxb2+ 36. Ke3 Bb5 37. Rg7 c3 38. Rxf7+ Kg6 39. Rxa7 Re2+ 40. Kf4 c2 41. Ba3 Rxg2 42. Bb2 Rf8+ 0-1

[Event "FIN corr"]
[Site "Finland"]
[Date "1977.??.??"]
[Round "?"]
[White "Koskivirta, Ossi"]
[Black "Kuro, Timo"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "73"]
[EventDate "1977.??.??"]
[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. Nc3 Nf6 4. Bc4 Nxe4 5. 0-0 Nxc3 6. dxc3 Be7 7. Qd5 0-0 8. Nxe5 Nxe5 9. Qxe5 d6 10. Qe4 c6 11. Bd3 g6 12. Re1 Bf6 13. Bh6 Bg7 14. Bxg7 Kxg7 15. Qe7 Rb8 16. Qe3 Qb6 17. Qf4 Be6 18. Qxd6 Qxb2 19. Qd4+ Kg8 20. a4 Qb6 21. Qxb6 axb6 22. Reb1 b5 23. axb5 cxb5 24. Ra7 Bd7 25. Bxb5 Bxb5 26. Rxb5 Rfc8 27. Rbxb7 Rxb7 28. Rxb7 Rxc3 29. Rb2 h5 30. Kf1 h4 31. h3 f5 32. Ke2 g5 33. Kd2 Rc5 34. Rb7 Rd5+ 35. Kc3 Rc5+ 36. Kb3 Re5 37. c4 1-0

[Event "FIN corr"]
[Site "Finland"]
[Date "1976.??.??"]
[Round "?"]
[White "Koskinen, Pertti"]
[Black "Koskivirta, Ossi"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "44"]
[EventDate "1976.??.??"]
[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. Nf3 d5 2. g3 Nf6 3. Bg2 Nbd7 4. d3 e5 5. c3 Bd6 6. 0-0 0-0 7. Nbd2 c6 8. Qc2 Nc5 9. e4 Bg4 10. Re1 Re8 11. Nh4 Qd7 12. Nf1 Bh3 13. f3 Bxg2 14. Nxg2 d4 15. Kh1 Qh3 16. cxd4 exd4 17. Bg5 Nh5 18. e5 Bxe5 19. f4 Bd6 20. Qf2 Nxd3 21. Rxe8+ Rxe8 22. Qxd4 Re2 0-1

