[Event "FIN-ch ME123 corr"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Ekola, Jorma"]
[Result "0-1"]
[ECO "E12"]
[PlyCount "46"]
[EventDate "1991.??.??"]
[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 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 c5 8. e4 Nxc3 9. bxc3 Nd7 10. Bf4 Be7 11. Bd3 cxd4 12. cxd4 0-0 13. 0-0 Rc8 14. Qb3 Nf6 15. Rfe1 Nh5 16. Bd2 Qd6 17. Bc3 Rfd8 18. Bb2 Nf4 19. Bc4 Rc7 20. Rad1 Rdc8 21. Nd2 Qd8 22. Rc1 Bg5 23. Rc2 Nxg2 0-1

[Event "FIN-ch ME123 corr"]
[Site "Finland"]
[Date "1991.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Ojala, Jorma"]
[Result "0-1"]
[ECO "D34"]
[PlyCount "46"]
[EventDate "1991.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Nc3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Be3 Na5 12. Qc2 Nc4 13. Bc1 Nb6 14. a4 Bb4 15. Ncb5 Bg4 16. Qb3 Bc5 17. Be3 Qe7 18. Rac1 Nc4 19. Rc3 a6 20. Na3 Bxd4 21. Bxd4 Nd2 22. Bc5 Qxc5 23. Qc2 Nc4 0-1

[Event "FIN-ch H qual corr"]
[Site "Finland"]
[Date "1986.??.??"]
[Round "?"]
[White "Hannikainen, Kalevi"]
[Black "Mesterton, Ossi"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "79"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. Qc1 h6 5. Nc3 b6 6. e4 d6 7. Bd3 Nh5 8. e5 g5 9. Bg3 Nxg3 10. hxg3 g4 11. Nh4 dxe5 12. d5 Na6 13. Bb5+ Kf8 14. 0-0 Nc5 15. f3 h5 16. fxg4 hxg4 17. Ng6+ Kg8 18. Nxh8 Bxh8 19. Qg5+ Bg7 20. Qh5 f6 21. b4 Nb7 22. Bc6 Rb8 23. Ne4 Nd6 24. Nxd6 cxd6 25. b5 Qf8 26. Kf2 f5 27. Rh1 Qf6 28. Qe8+ Bf8 29. Qh5 Bg7 30. Qe8+ Bf8 31. Rh5 f4 32. Rf1 f3 33. gxf3 Bf5 34. Qxb8 Bxc2 35. Kg1 gxf3 36. Qc8 e4 37. Qe6+ Qxe6 38. dxe6 Bg7 39. Rg5 Kh7 40. Rxg7+ 1-0

[Event "FIN-ch ME qual corr"]
[Site "Finland"]
[Date "1986.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Toivonen, Markku"]
[Result "1-0"]
[ECO "E88"]
[PlyCount "75"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 cxd5 9. cxd5 Ne8 10. Qd2 f5 11. Nge2 f4 12. Bf2 Nd7 13. 0-0 Ndf6 14. b4 g5 15. a4 Bd7 16. a5 h5 17. a6 b6 18. Rfc1 Qe7 19. Nb5 g4 20. Nxa7 gxf3 21. gxf3 Rxa7 22. Bxb6 Bh3 23. Bb5 Nxe4 24. fxe4 Qg5+ 25. Ng3 h4 26. Bxa7 Nf6 27. Bf1 Nxe4 28. Qe2 Nxg3 29. hxg3 f3 30. Qh2 hxg3 31. Qxh3 Rf6 32. Bd3 Rh6 33. Rc8+ Bf8 34. Rxf8+ Kxf8 35. Qf5+ Qxf5 36. Bxf5 g2 37. Kf2 Rh1 38. Rg1 1-0

[Event "FIN-ch ME qual corr"]
[Site "Finland"]
[Date "1985.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Henriksson, Per"]
[Result "1-0"]
[ECO "E46"]
[PlyCount "69"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. g3 c6 9. Bg2 Bf5 10. 0-0 a5 11. h3 Bd6 12. g4 Bxg4 13. hxg4 Nxg4 14. Nf4 Qh4 15. Bh3 h5 16. Qf3 g5 17. Ng2 f5 18. Nxh4 gxh4 19. Nxd5 Nd7 20. Nf4 Kh7 21. Nxh5 Rae8 22. Ng3 hxg3 23. fxg3 Re4 24. Bd2 Kg6 25. Qxe4 fxe4 26. Rxf8 Nxf8 27. Bxg4 Kg5 28. Bc8 b6 29. b4 axb4 30. Bxb4 c5 31. dxc5 bxc5 32. Bc3 Ng6 33. Rd1 Bf8 34. Rd5+ Kh6 35. Bg4 1-0

[Event "FIN-ITA corr"]
[Site "Finland"]
[Date "1985.??.??"]
[Round "?"]
[White "Zanetti, Fabio"]
[Black "Mesterton, Ossi"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "30"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Ne2 e6 6. Ng3 Bg6 7. Be2 c5 8. dxc5 Bxc5 9. Nc3 Nc6 10. Bg5 Qb6 11. Nxh5 Bxf2+ 12. Kf1 Bxh5 13. Bxh5 Nxe5 14. Nxd5 exd5 15. Qxd5 Bg3 0-1

[Event "FIN-ch H175 corr"]
[Site "Finland"]
[Date "1984.??.??"]
[Round "?"]
[White "Kuusava, Esa"]
[Black "Mesterton, Ossi"]
[Result "1-0"]
[ECO "B65"]
[PlyCount "89"]
[EventDate "1984.??.??"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f4 Nxd4 10. Qxd4 Qa5 11. Bc4 Bd7 12. e5 dxe5 13. fxe5 Bc6 14. Bd2 Nd7 15. Nd5 Qd8 16. Nxe7+ Qxe7 17. Rhe1 Qc5 18. Qf4 a5 19. Bd3 Rfc8 20. Kb1 Bd5 21. Re3 f5 22. exf6 Nxf6 23. Bc3 Qe7 24. Qh4 Rxc3 25. bxc3 Qa3 26. c4 Qb4+ 27. Kc1 b5 28. Rh3 Qa3+ 29. Kd2 Qb4+ 30. Ke2 Bxc4 31. Bxc4 bxc4 32. Rg3 Nd5 33. Qd4 g6 34. Qe5 Ra6 35. Rxd5 exd5 36. Qxd5+ Kg7 37. Qd7+ Kf6 38. Rf3+ Kg5 39. h4+ Kxh4 40. Rf4+ Kg5 41. Qg4+ Kh6 42. Rf7 Qc5 43. Qf4+ Qg5 44. Rxh7+ Kxh7 45. Qxg5 1-0

[Event "FIN-ch H175 corr"]
[Site "Finland"]
[Date "1984.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Haapaniemi, Lasse"]
[Result "1-0"]
[ECO "E46"]
[PlyCount "89"]
[EventDate "1984.??.??"]
[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 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 c5 6. a3 Bxc3+ 7. Nxc3 d5 8. dxc5 b6 9. cxb6 Qxb6 10. Na4 Qc6 11. c5 Bd7 12. b3 Ne4 13. Qd4 f6 14. Bb2 Na6 15. Rc1 Rab8 16. f3 Rxb3 17. fxe4 Qxa4 18. exd5 Qa5+ 19. Bc3 Qxa3 20. Ra1 Qxc5 21. Bc4 Rxc3 22. Qxc3 exd5 23. Ra5 Qxc4 24. Qxc4 dxc4 25. Rxa6 c3 26. Rxa7 c2 27. Kd2 Bf5 28. Rc7 Rd8+ 29. Kc1 Ra8 30. Kd2 Ra2 31. Rc1 Be4 32. g4 g6 33. h4 f5 34. gxf5 gxf5 35. h5 Bf3 36. R1xc2 Rxc2+ 37. Kxc2 Bxh5 38. Kd3 Bf3 39. Kd4 h5 40. Ke5 h4 41. Kf4 Bg2 42. Kg5 h3 43. Kg6 Kf8 44. Rh7 Be4 45. Kf6 1-0

[Event "FIN-ch H175 corr"]
[Site "Finland"]
[Date "1984.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Sjoeblom, Martti"]
[Result "1/2-1/2"]
[ECO "D25"]
[PlyCount "130"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. 0-0 Bd6 9. e4 e5 10. dxe5 Nxe5 11. Be2 Qe7 12. Nd4 Bxe2 13. Qxe2 0-0 14. Nf5 Qd7 15. Bg5 Ne8 16. Rad1 f6 17. Be3 Rd8 18. Bxa7 b6 19. Nb5 Nf7 20. Qc4 Kh8 21. a4 g6 22. Nfd4 Ne5 23. Qb3 Ra8 24. Ne6 Rf7 25. Nexc7 Nxc7 26. Rxd6 Qe7 27. Bxb6 Nxb5 28. Re6 Qb7 29. Rd1 Na7 30. Qe3 Nc4 31. Qd4 Nxb6 32. Rxb6 Qe7 33. Rd6 Raf8 34. b4 Nc8 35. Rd5 Qa7 36. a5 Qxd4 37. R5xd4 Na7 38. R4d2 Re7 39. Rd4 Re5 40. f4 Rb5 41. a6 Rb6 42. Ra1 Ra8 43. Rad1 Rxa6 44. Rd6 Nb5 45. Rd8+ Rxd8 46. Rxd8+ Kg7 47. Rd7+ Kh6 48. Rf7 Nc3 49. e5 Ne2+ 50. Kf2 Nxf4 51. Rxf6 Rxf6 52. exf6 Nd3+ 53. Ke3 Nxb4 54. Ke4 Nc6 55. Kd5 Nb8 56. Kd6 g5 57. Ke7 Nc6+ 58. Ke8 Ne5 59. f7 Ng6 60. f8Q+ Nxf8 61. Kxf8 Kg6 62. Ke7 Kf5 63. g4+ Ke4 64. Ke6 Kf3 65. Kf5 Kg3 1/2-1/2

[Event "FIN-ch H qual corr"]
[Site "Finland"]
[Date "1983.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Lammi, Esa"]
[Result "1-0"]
[ECO "D89"]
[PlyCount "75"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6 14. d5 Bxa1 15. Qxa1 f6 16. Qd4 Bf7 17. Bh6 Re8 18. Bb5 e5 19. Qf2 Re7 20. Be3 b6 21. f4 Rc7 22. fxe5 fxe5 23. Qg3 Qd6 24. Nd4 Bxd5 25. Nf5 Qe6 26. exd5 Qxd5 27. Be2 Re8 28. Bh5 Kh8 29. Bxg6 Rg8 30. Nh6 Rcg7 31. Qh4 Rc8 32. Be4 Qc4 33. Rc1 Qe6 34. Rxc8+ Qxc8 35. Qf6 Nc4 36. Nf5 Qd7 37. Nxg7 Qxg7 38. Qd8+ 1-0

[Event "FIN-ch H qual corr"]
[Site "Finland"]
[Date "1983.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Rantonen, Markku"]
[Result "1/2-1/2"]
[ECO "D58"]
[PlyCount "96"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. Rc1 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. b4 Re8 12. b5 Qd6 13. Qb3 Nd7 14. Bd3 Be7 15. Bb1 Qb4 16. Qc2 g6 17. h4 Nf6 18. h5 Ne4 19. hxg6 Qxc3+ 20. Qxc3 Nxc3 21. gxf7+ Kxf7 22. Rxc3 Bb4 23. Kd2 Re6 24. Ne5+ Ke7 25. g4 Rxe5 26. dxe5 d4 27. Rxh6 dxc3+ 28. Ke2 Rd8 29. Rh7+ Ke6 30. Bf5+ Kxe5 31. f4+ Kf6 32. e4 Rd2+ 33. Kf3 Rd3+ 34. Kg2 Bxe4+ 35. Bxe4 c2 36. Rh1 Rd2+ 37. Kf3 Ba3 38. g5+ Kg7 39. Rh7+ Kg8 40. Bxc2 Rxc2 41. g6 Bd6 42. f5 Rc5 43. Kg4 Be5 44. Rf7 Rxb5 45. f6 Bxf6 46. Rxf6 Kg7 47. Rf7+ Kxg6 48. Rxc7 Ra5 1/2-1/2

[Event "FIN-ch I2 qual corr"]
[Site "Finland"]
[Date "1982.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Linna, Mika"]
[Result "1-0"]
[ECO "A65"]
[PlyCount "65"]
[EventDate "1982.??.??"]
[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 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 b6 10. h3 Ba6 11. Bg5 h6 12. Bh4 Bxd3 13. Qxd3 Nbd7 14. f4 a6 15. a4 Qc7 16. Qc4 Rfe8 17. Rab1 Rec8 18. Rbd1 Qb7 19. Bxf6 Bxf6 20. e5 dxe5 21. f5 Kg7 22. Ng3 Rab8 23. Qg4 Rf8 24. Nce4 Kh7 25. h4 h5 26. Nxh5 gxh5 27. Qxh5+ Kg8 28. Rf3 Bg7 29. f6 Nxf6 30. Nxf6+ Bxf6 31. Rxf6 Rfe8 32. Qg5+ Kf8 33. Rh6 1-0

[Event "FIN-Cup3 corr"]
[Site "Finland"]
[Date "1982.??.??"]
[Round "?"]
[White "Mesterton, Ossi"]
[Black "Seppanen, Esko"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "44"]
[EventDate "1982.??.??"]
[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 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. cxd5 exd5 6. Bg5 f6 7. Bd2 c4 8. e4 Bxc3 9. Bxc3 dxe4 10. Nd2 Qe7 11. Nxc4 Nh6 12. Be2 0-0 13. Qb3 Qf7 14. Bb4 Rd8 15. Qc3 Nc6 16. Nd6 Qg6 17. 0-0 Kh8 18. Nxc8 Raxc8 19. Rfd1 Nf5 20. Rac1 h6 21. d5 Ncd4 22. Qd2 Nh4 0-1

[Event "FIN-ch I2 qual corr"]
[Site "Finland"]
[Date "1980.??.??"]
[Round "?"]
[White "Sammalvuo, Esko"]
[Black "Mesterton, Ossi"]
[Result "0-1"]
[ECO "A22"]
[PlyCount "38"]
[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. c4 Nf6 2. Nc3 e5 3. e4 Bc5 4. Nh3 d6 5. g3 0-0 6. d3 Bg4 7. Qb3 Bf3 8. Qxb7 c6 9. Rg1 a5 10. Qxa8 Qb6 11. Na4 Bb4+ 12. Nc3 Nbd7 13. Be3 Nc5 14. Qxf8+ Kxf8 15. a3 Bxc3+ 16. bxc3 Qb2 17. Bc1 Qxc3+ 18. Bd2 Qxa1+ 19. Bc1 Qxc1# 0-1

