[Event "FIN-chT2 Gp3 1819"]
[Site "Finland"]
[Date "2018.11.10"]
[Round "3.2"]
[White "Kosonen, Marko"]
[Black "Hall, Raimo"]
[Result "0-1"]
[ECO "A59"]
[BlackElo "1797"]
[PlyCount "94"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Gambitti II"]
[BlackTeam "Helsinki HSK III"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 0-0 11. h4 Nbd7 12. Bg5 h6 13. Bf4 Nh5 14. Be3 Qa5 15. g4 Nhf6 16. g5 Nh5 17. Nge2 Ne5 18. gxh6 Bf6 19. Ng3 Nxg3 20. h7+ Kh8 21. Kxg3 Nc4 22. Bg5 Bxc3 23. bxc3 Qxc3+ 24. Qf3 Qxf3+ 25. Kxf3 Ra3+ 26. Kg2 f6 27. Bc1 Ra4 28. Rh3 Rfa8 29. a3 Rb8 30. f4 Kxh7 31. h5 gxh5 32. Rxh5+ Kg6 33. Rh3 Na5 34. f5+ Kg7 35. Re3 Rb3 36. Kf3 Rxe3+ 37. Bxe3 Nb3 38. Ra2 c4 39. Ke2 Kf7 40. Rc2 Na5 41. Bd2 Nb3 42. Ke3 Rxa3 43. Rxc4 Nc5+ 44. Ke2 Ra2 45. Ke3 Nb7 46. Rc7 Ra3+ 47. Bc3 Nc5 0-1

[Event "FIN-chT1A 1718"]
[Site "Finland"]
[Date "2018.02.03"]
[Round "6.5"]
[White "Kosonen, Marko"]
[Black "Rantanen, Veikko J"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "2000"]
[PlyCount "30"]
[EventDate "2017.09.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Akaa"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c3 d5 3. Bf4 e6 4. Nf3 c5 5. e3 Nc6 6. Nbd2 Bd6 7. Bg5 0-0 8. Bd3 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Nf3 Bd6 12. Bc2 Be7 13. Qd3 g6 14. Qe2 Qb6 15. 0-0-0 Be6 1/2-1/2

[Event "FIN-chT1B 1617"]
[Site "Finland"]
[Date "2017.01.14"]
[Round "5.6"]
[White "Salimaki, Janne"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "C90"]
[WhiteElo "2108"]
[PlyCount "84"]
[EventDate "2016.09.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Espoo MatSK II"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. d3 d6 9. c3 Re8 10. Ng5 Rf8 11. f4 Bg4 12. Nf3 exf4 13. Bxf4 Nh5 14. Bd5 Qd7 15. Be3 Nf6 16. Bxc6 Qxc6 17. Nbd2 Qb7 18. h3 Bh5 19. Nf1 Bxf3 20. Qxf3 Nd7 21. Rad1 f5 22. Qg3 fxe4 23. Bd4 Bf6 24. Rxe4 Bxd4+ 25. Rxd4 Ne5 26. Ne3 Rae8 27. Ng4 Kh8 28. Nxe5 Rxe5 29. Re1 Rxe1+ 30. Qxe1 Qc8 31. Re4 Qf5 32. d4 h6 33. a3 Kh7 34. Re7 c5 35. Qg3 Qf1+ 36. Kh2 Qf6 37. Qd3+ Kh8 38. Qe3 cxd4 39. cxd4 Qf4+ 40. Qxf4 Rxf4 41. Ra7 Rxd4 42. Rxa6 b4 1/2-1/2

[Event "FIN-chT1B 1516"]
[Site "Finland"]
[Date "2015.10.10"]
[Round "3.8"]
[White "Kosonen, Marko"]
[Black "Turner, Neal"]
[Result "1-0"]
[ECO "A41"]
[BlackElo "2010"]
[PlyCount "123"]
[EventDate "2015.09.12"]
[EventType "team-tourn"]
[EventRounds "8"]
[EventCountry "FIN"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki SSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. Nf3 d6 2. d4 Bg4 3. g3 Bxf3 4. exf3 Nd7 5. Bg2 c6 6. 0-0 Ngf6 7. Re1 e6 8. c4 Be7 9. Nc3 d5 10. b3 0-0 11. Be3 Bb4 12. Qc2 Rc8 13. a3 Bxc3 14. Qxc3 c5 15. dxc5 Nxc5 16. Rad1 Qc7 17. Bf1 Ncd7 18. Kg2 b6 19. Qb2 Qb7 20. Bd4 e5 21. Bxe5 Nxe5 22. Rxe5 Rfe8 23. Rg5 h6 24. Rf5 Rcd8 25. cxd5 Rxd5 26. Rdxd5 Nxd5 27. Bc4 Nf6 28. Qd4 Qc7 29. h4 Rf8 30. Qe3 Re8 31. Qd4 Re7 32. g4 Qd7 33. Qxd7 Nxd7 34. Rd5 g6 35. f4 Nf6 36. Rd6 Kg7 37. g5 Ne4 38. Rd4 Nc5 39. Kf3 hxg5 40. fxg5 Nd7 41. Re4 Ne5+ 42. Kg3 f6 43. f4 Nc6 44. Rxe7+ Nxe7 45. gxf6+ Kxf6 46. Kg4 Nf5 47. Bd3 Ng7 48. Be4 a5 49. b4 axb4 50. axb4 Ne8 51. Kf3 Nd6 52. Ke3 Nf5+ 53. Bxf5 Kxf5 54. b5 Kg4 55. Ke4 Kxh4 56. f5 Kg5 57. fxg6 Kxg6 58. Ke5 Kf7 59. Kd6 Ke8 60. Kc7 Ke7 61. Kxb6 Kd7 62. Ka7 1-0

[Event "FIN-chT1A 1415"]
[Site "Finland"]
[Date "2015.02.07"]
[Round "6.5"]
[White "Lehtila, Taneli"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "B37"]
[WhiteElo "2098"]
[PlyCount "47"]
[EventDate "2014.09.27"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Pori PSY"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 d6 7. e4 Be6 8. Be2 Bxc3+ 9. bxc3 Nf6 10. f3 Qa5 11. Bd2 Ne5 12. Ne3 Rc8 13. Qb3 b6 14. 0-0 Nxc4 15. Bxc4 Bxc4 16. Nxc4 Qc5+ 17. Ne3 0-0 18. Kh1 e6 19. Qb4 Qc7 20. Nc2 d5 21. Rac1 dxe4 22. fxe4 Ng4 23. Bf4 Qxc3 24. h3 1-0

[Event "FIN-chT1 West 1314"]
[Site "Finland"]
[Date "2014.01.11"]
[Round "5.7"]
[White "Kosonen, Marko"]
[Black "Rajakari, Janne"]
[Result "1-0"]
[ECO "D36"]
[BlackElo "2095"]
[PlyCount "51"]
[EventDate "2013.09.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Vantaa EtVaS II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. cxd5 exd5 7. Qc2 Be7 8. Bd3 0-0 9. Nge2 Re8 10. 0-0 Nf8 11. Bxf6 Bxf6 12. b4 b6 13. Rac1 Bb7 14. Rfd1 g6 15. Nf4 Ne6 16. Nce2 Rc8 17. Qa4 a5 18. Nxe6 Rxe6 19. Nf4 Rd6 20. a3 Rd7 21. Be2 axb4 22. axb4 Be7 23. Qb3 Qf8 24. b5 cxb5 25. Qxb5 g5 26. Qxd7 1-0

[Event "FIN-chT1 West 1314"]
[Site "Finland"]
[Date "2013.11.03"]
[Round "4.6"]
[White "Kosonen, Marko"]
[Black "Nieminen, Markus"]
[Result "1/2-1/2"]
[ECO "A00"]
[BlackElo "1975"]
[PlyCount "58"]
[EventDate "2013.09.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Turku SY"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e3 e5 2. e4 Bc5 3. Nf3 Nc6 4. Nc3 Nf6 5. Be2 0-0 6. 0-0 d5 7. exd5 Nxd5 8. d3 a6 9. a3 h6 10. Nxd5 Qxd5 11. b4 Be7 12. c4 Qd6 13. Bb2 f6 14. c5 Qd5 15. d4 Nxd4 16. Nxd4 exd4 17. Rc1 Kh8 18. Bc4 Qg5 19. f4 Qg6 20. Re1 Bg4 21. Qb3 Rae8 22. Bxd4 Bd8 23. c6 b5 24. Bf7 Rxe1+ 25. Rxe1 Rxf7 26. Re8+ Kh7 27. Rxd8 Qe4 28. h3 Be6 29. Qe3 Bd5 1/2-1/2

[Event "FIN-chT1 West 1314"]
[Site "Finland"]
[Date "2013.10.12"]
[Round "2.6"]
[White "Kosonen, Marko"]
[Black "Erlund, Kaj"]
[Result "1-0"]
[ECO "E73"]
[PlyCount "57"]
[EventDate "2013.09.21"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Loimaa SK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. h4 c5 8. d5 Qa5 9. Qd2 h6 10. Bxh6 Bxh6 11. Qxh6 Nxe4 12. Kf1 Ndf6 13. h5 g5 14. Nxe4 Nxe4 15. Bd3 Bf5 16. Bxe4 Bxe4 17. Qxg5+ Kh7 18. Qe3 Bf5 19. g4 Bc2 20. Rc1 Ba4 21. g5 e5 22. g6+ Kg7 23. h6+ Kxg6 24. Qg3+ Kf6 25. Qh4+ Kg6 26. Nf3 f6 27. Qg4+ Kf7 28. Qe6+ Kg6 29. h7 1-0

[Event "FIN-chT1 East 1213"]
[Site "Finland"]
[Date "2013.03.09"]
[Round "7.7"]
[White "Kosonen, Marko"]
[Black "Sorvari, Jarmo"]
[Result "1/2-1/2"]
[ECO "B25"]
[BlackElo "2055"]
[PlyCount "74"]
[EventDate "2012.09.29"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Tampere Tammer II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. f4 Bg7 6. Nf3 e6 7. 0-0 Nge7 8. d3 0-0 9. Be3 Nd4 10. Qd2 Rb8 11. Rae1 Qc7 12. Nd1 b5 13. Nh4 b4 14. c3 bxc3 15. bxc3 Ndc6 16. Kh1 Bd7 17. Rf2 Qa5 18. g4 f5 19. gxf5 exf5 20. exf5 Nxf5 21. Nxf5 Rxf5 22. Bh3 Rf7 23. Bxd7 Rxd7 24. f5 gxf5 25. Rxf5 Ne5 26. Rg1 Qc7 27. Qg2 Qb7 28. d4 Qxg2+ 29. Kxg2 cxd4 30. cxd4 Rf7 31. Rxf7 Nxf7 32. Kf3 Kf8 33. Nc3 Rb2 34. Rg2 Rxg2 35. Kxg2 Ke7 36. Kf3 a6 37. Ke4 Ke6 1/2-1/2

[Event "FIN-chT1 East 1213"]
[Site "Finland"]
[Date "2013.01.12"]
[Round "5.6"]
[White "Kosonen, Marko"]
[Black "Rasanen, Jarmo"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "19"]
[EventDate "2012.09.29"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Kotka KymS"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 0-0 6. Qe2 Nc6 7. h3 e5 8. dxe5 Nxe5 9. Bb3 Nfd7 10. Be3 1/2-1/2

[Event "FIN-chT1 East 1213"]
[Site "Finland"]
[Date "2012.11.18"]
[Round "4.7"]
[White "Turner, Neal"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2008"]
[PlyCount "51"]
[EventDate "2012.09.29"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Helsinki SSK"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. Nf3 f5 2. d3 Nf6 3. e4 d6 4. Nc3 e5 5. Be2 Be7 6. 0-0 0-0 7. exf5 Bxf5 8. d4 e4 9. Ne1 d5 10. f3 c6 11. fxe4 Nxe4 12. Nxe4 Bxe4 13. Bf3 Bd6 14. g3 Qe7 15. Nd3 Nd7 16. Bf4 Bxf4 17. Nxf4 Bxf3 18. Rxf3 Qe4 19. Rd3 Rae8 20. Qd2 Nf6 21. Rf1 Qf5 22. Rdf3 Ne4 23. Qg2 Ng5 24. R3f2 Ne4 25. Rf3 Ng5 26. R3f2 1/2-1/2

[Event "FIN-chT1 East 1213"]
[Site "Finland"]
[Date "2012.11.17"]
[Round "3.7"]
[White "Almi, Olavi"]
[Black "Kosonen, Marko"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1949"]
[PlyCount "64"]
[EventDate "2012.09.29"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Turku TuTS II"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bh5 6. Nc3 c6 7. dxc6 Nxc6 8. d3 e5 9. Nge2 Bc5 10. Ng3 Bg6 11. Bb5 0-0 12. Bxc6 bxc6 13. Qe2 Nd5 14. Nce4 Bd4 15. c3 Bb6 16. Bd2 f5 17. Nf2 Nf4 18. Qd1 Nxg2+ 19. Kf1 Nh4 20. f4 Bxf2 21. Kxf2 Qxd3 22. Qe2 Qd5 23. Kf1 Rae8 24. c4 Qd6 25. Qe3 exf4 26. Qxf4 Qd3+ 27. Kf2 Re4 28. Nxe4 fxe4 29. Qxf8+ Kxf8 30. Bb4+ Ke8 31. Rhf1 Qf3+ 32. Ke1 Ng2+ 0-1

[Event "FIN-chT1 East 1213"]
[Site "Finland"]
[Date "2012.10.27"]
[Round "2.7"]
[White "Kosonen, Marko"]
[Black "Alenius, Arto"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "63"]
[EventDate "2012.09.29"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki HSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 d5 4. f3 Nd6 5. e4 dxe4 6. c4 Nf5 7. Bg5 Qxd4 8. Nc3 Ne3 9. Qe2 Nxf1 10. Rd1 Qc5 11. Rd5 Qc6 12. fxe4 f6 13. Bh4 Ne3 14. Qxe3 e5 15. Nf3 Nd7 16. Rf1 Bc5 17. Qe2 0-0 18. Rd3 Bb4 19. Nd2 Nc5 20. Rg3 Bxc3 21. bxc3 Bd7 22. Qe3 g5 23. Bxg5 fxg5 24. Qxg5+ Qg6 25. Qe3 Rxf1+ 26. Kxf1 Rf8+ 27. Kg1 Bg4 28. h3 h5 29. Qxc5 Qf6 30. hxg4 Qh4 31. Qxe5 hxg4 32. Nf3 1-0

[Event "FIN-chT1B 0910"]
[Site "Finland"]
[Date "2010.01.16"]
[Round "5.5"]
[White "Porrasmaa, Timo"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2146"]
[PlyCount "59"]
[EventDate "2009.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Joensuu SK"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. d4 cxd4 7. Nxd4 Nc6 8. 0-0 Qb6 9. Nb3 d6 10. Bg5 Be6 11. Nd5 Bxd5 12. cxd5 Na5 13. Be3 Qb5 14. Nxa5 Qxa5 15. Bd4 Nd7 16. Bxg7 Kxg7 17. Qd4+ Nf6 18. a3 Rfc8 19. Rac1 Qb6 20. Qxb6 axb6 21. e4 Rc5 22. f3 Rac8 23. Rce1 Rc2 24. Rf2 R8c7 25. Bh3 R2c4 26. Rd2 Nd7 27. Bxd7 Rxd7 28. Kf2 Rdc7 29. Ke3 b5 30. Ree2 1/2-1/2

[Event "FIN-chT1B 0506"]
[Site "Finland"]
[Date "2005.10.09"]
[Round "3.8"]
[White "Kosonen, Marko"]
[Black "Turner, Neal"]
[Result "1-0"]
[ECO "A80"]
[BlackElo "2122"]
[PlyCount "69"]
[EventDate "2005.09.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki SSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 f5 2. g4 fxg4 3. e4 d6 4. h3 Nf6 5. hxg4 Nxe4 6. Qd3 d5 7. f3 Nd6 8. Rxh7 Rxh7 9. Qxh7 Nc6 10. Bd3 e5 11. Bg6+ Nf7 12. Qh5 Be6 13. dxe5 Qd7 14. Bf4 0-0-0 15. Qh2 d4 16. Nd2 Qd5 17. Be4 Qa5 18. Ne2 Bb4 19. a3 Rh8 20. Qg2 Nfxe5 21. Rd1 Bd6 22. Kf1 Qb5 23. b4 Nc4 24. Bxc6 Qxc6 25. Nxd4 Nxd2+ 26. Rxd2 Qc4+ 27. Qe2 Qxe2+ 28. Nxe2 Be7 29. Kg2 Bf6 30. g5 Bb2 31. c3 Bxa3 32. Be5 a5 33. Nd4 Bh3+ 34. Kg3 axb4 35. Ra2 1-0

[Event "FIN-chT1B 0506"]
[Site "Finland"]
[Date "2005.10.08"]
[Round "2.7"]
[White "Kosonen, Marko"]
[Black "Lammi, Jyri"]
[Result "1-0"]
[ECO "C25"]
[BlackElo "2183"]
[PlyCount "55"]
[EventDate "2005.09.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki Aatos"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 e5 2. Nc3 d6 3. Bc4 c6 4. f4 b5 5. Bb3 Qh4+ 6. g3 Qe7 7. Nf3 Nf6 8. d3 Be6 9. Qe2 Nbd7 10. Be3 g6 11. 0-0 Bg7 12. Rae1 0-0 13. Bxe6 Qxe6 14. f5 Qe7 15. Nh4 d5 16. Bg5 Qb4 17. Nd1 dxe4 18. dxe4 Nc5 19. Bxf6 Qd4+ 20. Kh1 Bxf6 21. Nf3 Qd7 22. b4 Na4 23. Ne3 Qe7 24. a3 Rad8 25. c4 a6 26. Qc2 Nb6 27. c5 Nc8 28. g4 1-0

[Event "FIN-chT1B 0304"]
[Site "Finland"]
[Date "2004.01.10"]
[Round "5.7"]
[White "Kosonen, Marko"]
[Black "Upero, Jussi"]
[Result "0-1"]
[ECO "A41"]
[BlackElo "2118"]
[PlyCount "99"]
[EventDate "2003.09.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Karhula TS"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 Be6 6. e4 c6 7. Be3 Nd7 8. 0-0-0 Kc7 9. f4 f6 10. Nf3 Bd6 11. f5 Bf7 12. Be2 Bb4 13. Kc2 Ne7 14. a3 Bxc3 15. Kxc3 a5 16. Rd2 Rhd8 17. Rhd1 c5 18. Ne1 Nc6 19. g4 Nd4 20. b3 Nb8 21. Bf1 Nbc6 22. Bf2 b6 23. Ng2 h5 24. h3 hxg4 25. hxg4 Rh8 26. Bg3 Rh3 27. Rd3 Rh1 28. Ne3 Rah8 29. Nd5+ Bxd5 30. exd5 Nd8 31. g5 Nf7 32. gxf6 gxf6 33. Re1 Nd6 34. Bg2 Rxe1 35. Bxe1 Rh2 36. Rd2 N6xf5 37. Bf1 Rh1 38. Rf2 Ng3 39. Bd3 Rxe1 40. Rxf6 e4 41. Kd2 Rg1 42. b4 axb4 43. axb4 Rg2+ 44. Ke3 Nc2+ 45. Bxc2 Re2+ 46. Kf4 Nh5+ 47. Kg5 Nxf6 48. Kxf6 Rxc2 49. Ke7 Rd2 50. Kf8 0-1

[Event "FIN-chT1A 0203"]
[Site "Finland"]
[Date "2003.??.??"]
[Round "6.7"]
[White "Jaderholm, Bo"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2018"]
[PlyCount "107"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Turku SY"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. exd5 Qxd5 6. Be3 e5 7. Nxc6 bxc6 8. Nd2 f5 9. f3 Nf6 10. Bc4 Qd6 11. 0-0 Nd5 12. Bf2 Be7 13. Re1 0-0 14. Nb3 Rd8 15. Qe2 Bf6 16. Rad1 Kh8 17. Bc5 Qc7 18. c3 Be6 19. Qf2 Nf4 20. Rxd8+ Qxd8 21. Bxe6 Bh4 22. Qe3 Bxe1 23. Qxe1 Nxe6 24. Qxe5 Qd5 25. Qe3 Qd1+ 26. Kf2 Re8 27. Bxa7 f4 28. Qd2 Qh1 29. Nd4 Ng5 30. Ne2 Qxh2 31. Ng1 Qh4+ 32. Kf1 Nf7 33. Bf2 Qe7 34. Qxf4 Rd8 35. g3 Qe6 36. Kg2 Qxa2 37. Nh3 Qd5 38. Bd4 c5 39. Be3 Kg8 40. Nf2 Rf8 41. Qe4 Qxe4 42. Nxe4 c4 43. f4 Rb8 44. Bc1 Ra8 45. Kf3 Ra1 46. Be3 Rf1+ 47. Bf2 Rb1 48. Nd2 Rxb2 49. Nxc4 Rb8 50. Bd4 Rc8 51. Nb6 Re8 52. Nc4 Rc8 53. Nb6 Re8 54. Nc4 1/2-1/2

[Event "FIN-chT1A 0203"]
[Site "Finland"]
[Date "2003.??.??"]
[Round "5.7"]
[White "Sihvonen, Tero"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2105"]
[PlyCount "63"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Helsinki KS 58"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bh5 6. Nc3 Nbd7 7. Nh3 a6 8. Nf4 b5 9. Bb3 Bg6 10. d4 Nb6 11. a3 Bf5 12. g4 Bc8 13. g5 Ng8 14. Qe2 Bf5 15. Be3 h6 16. Rg1 hxg5 17. Rxg5 g6 18. 0-0-0 Bh6 19. Rg2 Nf6 20. Re1 Qd6 21. Nd3 Bxe3+ 22. Qxe3 Bxd3 23. cxd3 0-0-0 24. Ne4 Qd7 25. Nc5 Qh3 26. Qd2 Nbxd5 27. Qa5 Rd6 28. Rc2 Qh4 29. Ne4 Qf4+ 30. Kb1 Rb6 31. Nxf6 Nxf6 32. Qxb6 1-0

[Event "FIN-chT1A 0203"]
[Site "Finland"]
[Date "2002.10.??"]
[Round "3.8"]
[White "Kosonen, Marko"]
[Black "Lahti, Ahti"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "71"]
[EventDate "2002.10.??"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Kankaanpaa SK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 e6 2. e3 Ne7 3. Bd3 c5 4. c3 cxd4 5. exd4 Ng6 6. Nf3 Nc6 7. h4 Bd6 8. Ng5 h6 9. Ne4 Bc7 10. h5 Nf4 11. Bxf4 Bxf4 12. Qg4 Bg5 13. Nd6+ Kf8 14. f4 Bf6 15. Nd2 Ne7 16. N2c4 Nd5 17. 0-0 Qe7 18. Rae1 Nb6 19. Nxb6 axb6 20. Nxc8 Rxc8 21. Qf3 Rb8 22. Qe4 Qd6 23. Bb5 Qc7 24. Re3 Qd8 25. g4 d5 26. Qf3 Qc7 27. Re2 Rd8 28. Rg2 Be7 29. g5 Ra8 30. a3 Rd8 31. Qg4 hxg5 32. fxg5 f5 33. Rxf5+ exf5 34. Qxf5+ Kg8 35. Qe6+ Kh7 36. Bd3+ 1-0

[Event "FIN-chT1B 0102"]
[Site "Finland"]
[Date "2002.??.??"]
[Round "5.7"]
[White "Kosonen, Marko"]
[Black "Paananen, Kauko"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "83"]
[EventDate "2001.10.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Lahti S"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Be6 6. Nge2 Nf6 7. d4 Nc6 8. 0-0 cxd4 9. Nxd4 Nxd4 10. Qxd4 Qb6 11. Qa4+ Qc6 12. Nb5 Bd7 13. c4 a6 14. Qa5 b6 15. Qe1+ Kd8 16. Nc3 Qxc4 17. Bg5 Bb4 18. Qe5 Bxc3 19. bxc3 Be6 20. Bxf6+ gxf6 21. Qxf6+ Kc7 22. Qe7+ Kc6 23. Rad1 Rad8 24. Rfe1 Rd6 25. Rd4 Qc5 26. Red1 Rhd8 27. c4 R8d7 28. Qe8 Kc7 29. cxd5 Bxd5 30. Bxd5 Rxd5 31. Rxd5 Rxd5 32. Qxf7+ Kc6 33. Qf6+ Qd6 34. Qxd6+ Kxd6 35. Rxd5+ Kxd5 36. f4 h5 37. Kf2 Ke4 38. Ke2 b5 39. Kd2 Kd4 40. Kc2 a5 41. Kb3 Kc5 42. h3 1-0

[Event "FIN-chT1B 0102"]
[Site "Finland"]
[Date "2001.10.??"]
[Round "2.8"]
[White "Kosonen, Marko"]
[Black "Koponen, Erkki"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "63"]
[EventDate "2001.10.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Lappeenranta SK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Bg5 e6 3. e3 Be7 4. Bd3 Nd5 5. Bxe7 Qxe7 6. c4 Qb4+ 7. Nd2 Nf6 8. Qc2 Qe7 9. f4 0-0 10. Ngf3 h6 11. 0-0-0 d5 12. c5 Nc6 13. a3 Bd7 14. Rhg1 b6 15. g4 bxc5 16. g5 hxg5 17. Rxg5 c4 18. Be2 Nh7 19. Rh5 f5 20. Rg1 Be8 21. Rh3 g6 22. Nh4 Rf6 23. Bh5 Nf8 24. Ndf3 Qh7 25. Ng5 Qe7 26. Ngf3 Qh7 27. Rgg3 Qd7 28. Ne5 Qg7 29. Qg2 Ne7 30. Rg5 Kh7 31. Bxg6+ Bxg6 32. Nhxg6+ 1-0

[Event "EST-FIN m"]
[Site "Norlandia sea"]
[Date "2001.01.14"]
[Round "1"]
[White "Narva, Jaan"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2312"]
[PlyCount "71"]
[EventDate "2001.01.14"]
[EventType "team"]
[EventRounds "1"]
[EventCountry "EST"]
[SourceTitle "CBM 080 Extra"]
[Source "ChessBase"]
[SourceDate "2001.03.08"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.08"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 Bd6 4. g3 c6 5. Bg2 Nd7 6. Qc2 f5 7. Bf4 Bxf4 8. gxf4 Ngf6 9. Ne5 Ne4 10. Nd3 0-0 11. Nd2 Nxd2 12. Kxd2 b5 13. cxb5 cxb5 14. Qc6 Nb6 15. b3 Bd7 16. Qd6 Bc8 17. Qxd8 Rxd8 18. Rhc1 a5 19. Rc6 Ra6 20. Nc5 Nc4+ 21. bxc4 Rxc6 22. cxb5 Rc7 23. a4 Rd6 24. e3 Kf7 25. Nd3 Ra7 26. Rc1 Bd7 27. Rc5 h6 28. h4 g6 29. Bf1 Kf6 30. Be2 g5 31. fxg5+ hxg5 32. hxg5+ Kxg5 33. f4+ Kh4 34. Rc1 Rb6 35. Rh1+ Kg3 36. Nc5 1-0

[Event "FIN-chT1A 0001"]
[Site "Finland"]
[Date "2000.11.??"]
[Round "4.8"]
[White "Kosonen, Marko"]
[Black "Koskinen, Veikko"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "55"]
[EventDate "2000.11.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki KS 58"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Bg5 c5 3. Bxf6 gxf6 4. e3 cxd4 5. exd4 Qb6 6. b3 d6 7. Ne2 Nc6 8. c3 Bg4 9. h3 Bh5 10. Nd2 f5 11. g4 Bg6 12. Nf4 Bh6 13. Nd5 Qd8 14. gxf5 Bxf5 15. Qh5 Bxd2+ 16. Kxd2 e6 17. Re1 Bg6 18. Qg4 Kf8 19. Nf4 Bf5 20. Qh5 Qa5 21. Qh6+ Ke7 22. Bc4 Qxa2+ 23. Ke3 Qc2 24. Rc1 Qe4+ 25. Kd2 Nd8 26. Bd5 exd5 27. Rhe1 Ne6 28. Rxe4 1-0

[Event "FIN-chT1B 9900"]
[Site "Finland"]
[Date "2000.??.??"]
[Round "5.4"]
[White "Kosonen, Marko"]
[Black "Kilpela, Panu"]
[Result "1/2-1/2"]
[ECO "B24"]
[BlackElo "2181"]
[PlyCount "33"]
[EventDate "1999.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki I-HSK"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. d3 Nf6 5. Bg2 Be7 6. f4 Nc6 7. e5 Nd7 8. Nf3 Rb8 9. a4 a6 10. 0-0 b5 11. axb5 axb5 12. g4 Qc7 13. Ne2 0-0 14. Ng3 Bb7 15. h4 Ra8 16. Rb1 b4 17. Re1 1/2-1/2

[Event "FIN-chT1B 9900"]
[Site "Finland"]
[Date "1999.??.??"]
[Round "?"]
[White "Aakio, Seppo"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "B32"]
[PlyCount "24"]
[EventDate "1999.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Helsinki SSK"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Bb5 dxe4 6. Nxc6 Qxd1+ 7. Kxd1 a6 8. Nd4+ axb5 9. Nxb5 Bg4+ 10. Ke1 0-0-0 11. N1c3 e5 12. Be3 f5 1/2-1/2

[Event "FIN-chT1B 9900"]
[Site "Finland"]
[Date "1999.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Katajainen, Kimmo"]
[Result "1/2-1/2"]
[ECO "A30"]
[BlackElo "2009"]
[PlyCount "24"]
[EventDate "1999.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki KS 58"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e3 c5 2. b3 Nf6 3. Bb2 e6 4. c4 Be7 5. Nc3 0-0 6. Nf3 b6 7. Be2 Bb7 8. 0-0 d5 9. cxd5 Nxd5 10. d4 Nc6 11. Rc1 cxd4 12. Nxd4 Nxd4 1/2-1/2

[Event "FIN-chT1B 9899"]
[Site "Finland"]
[Date "1999.??.??"]
[Round "7.5"]
[White "Kosonen, Marko"]
[Black "Kortelainen, Jouko"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "70"]
[EventDate "1998.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki Garde III"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. Bd3 e6 7. Qf3 c5 8. c3 Nc6 9. Ne2 Qb6 10. Nf4 0-0-0 11. dxc5 Bxc5 12. Qe2 Qc7 13. b4 Bb6 14. a4 Qxe5 15. a5 Qxe2+ 16. Kxe2 Bc7 17. Be3 Bxf4 18. Bxf4 e5 19. Bg3 e4 20. Bc2 Bxg4+ 21. Kd2 f6 22. Na3 Ne5 23. Bxe5 fxe5 24. c4 Nf6 25. cxd5 Rxd5+ 26. Kc3 Kb8 27. Nc4 Rc8 28. Kb3 Be6 29. Ne3 Rd2+ 30. Kb2 Rxf2 31. Rac1 Nd5 32. Nxd5 Bxd5 33. Rhd1 Bc4 34. Ka3 e3 35. Rd7 Bg8 0-1

[Event "FIN-chT1B 9900"]
[Site "Finland"]
[Date "1999.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Loikkanen, Veijo"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "37"]
[EventDate "1999.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki Garde III"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg5 g6 5. Bc4 Bg7 6. f3 e3 7. Nge2 0-0 8. Qc1 Nbd7 9. Qxe3 Nb6 10. Bb3 Nbd5 11. Qd2 Nxc3 12. Nxc3 c6 13. 0-0-0 b5 14. d5 b4 15. Bxf6 bxc3 16. Bxc3 c5 17. Bxg7 Kxg7 18. Qc3+ Kg8 19. Qxc5 1/2-1/2

[Event "FIN-chT1B 9899"]
[Site "Finland"]
[Date "1999.??.??"]
[Round "5.5"]
[White "Kosonen, Marko"]
[Black "Pollari, Pasi"]
[Result "1/2-1/2"]
[ECO "E61"]
[PlyCount "21"]
[EventDate "1998.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Helsinki HSK III"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 c6 2. e3 g6 3. Nf3 Bg7 4. Be2 Nf6 5. 0-0 0-0 6. c4 d6 7. Nc3 Na6 8. Rb1 c5 9. a3 d5 10. cxd5 Bf5 11. Bd3 1/2-1/2

[Event "FIN-chT1B 9900"]
[Site "Finland"]
[Date "1999.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Vuori, Sami"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "97"]
[EventDate "1999.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Vantaa Remi"]
[BlackTeam "Vantaa EtVaS II"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 Nf6 2. Bg5 Ne4 3. Bh4 g5 4. f3 gxh4 5. fxe4 c5 6. e3 Qb6 7. b3 Bg7 8. c3 Qg6 9. Qf3 d6 10. Nd2 Bg4 11. Qf2 Bh6 12. Ngf3 Nd7 13. Bc4 0-0-0 14. 0-0-0 Nf6 15. Bd3 Be6 16. h3 Qg3 17. Qe2 cxd4 18. cxd4 d5 19. e5 Ne4 20. Nxe4 dxe4 21. Bxe4 Kb8 22. Kb1 Bd5 23. Bxd5 Rxd5 24. Rc1 Rg8 25. Rc2 Rdd8 26. Rhc1 Qg6 27. Kb2 Qe4 28. Rc3 f5 29. Ka1 f4 30. Qc4 a6 31. exf4 Bxf4 32. Re1 Qd5 33. Qxd5 Rxd5 34. Re4 Bg3 35. Rc2 Rgd8 36. Kb2 b6 37. Kc3 Kb7 38. Nxh4 Bxh4 39. Rxh4 Rc8+ 40. Kd3 Rxc2 41. Kxc2 Rd7 42. Rxh7 Rxd4 43. Rxe7+ Kc6 44. g4 Rf4 45. g5 Kd5 46. g6 Rf2+ 47. Kd1 Rxa2 48. g7 Rg2 49. h4 1-0

[Event "FIN-chT1B 9899"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "4.5"]
[White "Karvi, Timo"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "50"]
[EventDate "1998.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Helsinki Garde"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. e3 f5 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Nc3 h6 9. d5 Bd6 10. Nd4 Qe7 11. Ncb5 g6 12. Nxd6 cxd6 13. Nb5 a6 14. Nc3 e5 15. Qb3 b5 16. a4 Qd8 17. a5 Kg7 18. Bd2 Ra7 19. cxb5 axb5 20. Nxb5 Ra6 21. Rfc1 Ne8 22. Qc3 Ra8 23. Nc7 Ra7 24. Nxe8+ Qxe8 25. Qc7 Na6 1-0

[Event "FIN-chT Division-A"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Nieminen, Marko"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Qb6 5. b3 Bg4 6. Ne5 Bf5 7. Bb2 Be4 8. Bxe4 Nxe4 9. e3 h5 10. Qf3 Nd7 11. Nxd7 Kxd7 12. 0-0 Rd8 13. d3 Nf6 14. Nd2 Ng4 15. Bd4 Qa5 16. Rfd1 e6 17. h3 Nf6 18. a3 Be7 19. b4 Qc7 20. c4 Rc8 21. Nb3 b6 22. e4 g6 23. Rac1 Qb7 24. f5 Rhf8 25. Re1 c5 26. bxc5 bxc5 27. Rb1 Qa8 28. Be5 Rc6 29. exd5 Rb6 30. Na5 exd5 31. Qd1 Rfb8 32. Qa4+ Kc8 33. Bxf6 Rxf6 34. cxd5 Rxb1 35. Rxb1 Qxd5 36. Rb7 Rb6 37. Rxe7 Rb1+ 38. Kf2 Qa2+ 39. Re2 Rb2 1-0

[Event "FIN-chT1B 9899"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "2.6"]
[White "Penttinen, Reino"]
[Black "Kosonen, Marko"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "60"]
[EventDate "1998.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Mikkeli SK"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Be7 5. Bxf6 Bxf6 6. e4 fxe4 7. Nxe4 b6 8. Qh5+ g6 9. Nxf6+ Qxf6 10. Qf3 Qxd4 11. Qxa8 0-0 12. Nf3 Qxb2 13. Rd1 Nc6 14. Rd2 Qa1+ 15. Rd1 Qc3+ 16. Rd2 Ba6 17. Qxf8+ Kxf8 18. Be2 Qc1+ 19. Rd1 Qc3+ 20. Rd2 Ke7 21. 0-0 Bxc4 22. Bxc4 Qxc4 23. Re1 b5 24. h4 b4 25. Re3 a5 26. h5 gxh5 27. Ne1 Nd4 28. Re4 c5 29. Nc2 d5 30. Re1 Qc3 0-1

[Event "FIN-chT Division-A"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "?"]
[White "Simola, Tuomas"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2080"]
[PlyCount "68"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 c6 4. d4 cxd5 5. Nc3 g6 6. Qb3 Bg7 7. cxd5 0-0 8. Be2 b6 9. Bf3 Bb7 10. Nge2 Na6 11. 0-0 Qd7 12. Be3 Rfd8 13. Nf4 h6 14. Rad1 Rab8 15. Nd3 Nxd5 16. Ne5 Qe6 17. Bg4 f5 18. Bf3 Nac7 19. Nxd5 Nxd5 20. Rfe1 Kh7 21. Bd2 g5 22. Bh5 Bxe5 23. Rxe5 Qf6 24. Rde1 Rd6 25. Bb4 Rd7 26. Re6 Qxd4 27. Bxe7 Nf4 28. Bf6 Qd5 29. Re7+ Rxe7 30. Rxe7+ Kg8 31. Bf7+ Kf8 32. Bxd5 Bxd5 33. Qb4 Kg8 34. Rg7+ Kh8 1-0

[Event "FIN-chT1B 9899"]
[Site "Finland"]
[Date "1998.??.??"]
[Round "3.5"]
[White "Tuovinen, Jukka"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "91"]
[EventDate "1998.??.??"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Helsinki I-HSK"]
[BlackTeam "Vantaa Remi"]
[WhiteTeamCountry "FIN"]
[BlackTeamCountry "FIN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd7 8. Be3 0-0-0 9. Nd2 g6 10. 0-0-0 Bg7 11. N2b3 b6 12. Nf3 c5 13. Rhe1 h6 14. Bf4 Ne7 15. Ne5 Be6 16. h3 Rhe8 17. Rxd8+ Rxd8 18. Rd1 Rxd1+ 19. Kxd1 g5 20. Bh2 f6 21. Nf3 f5 22. exf5 Bxf5 23. Be5 Bf8 24. g4 Be6 25. c3 Ng6 26. Bg3 Bd6 27. Nc1 Nf4 28. Bxf4 Bxf4 29. Nd3 Bd6 30. a3 Kd7 31. Ke2 Kc6 32. Ke3 Kb5 33. Nd2 c4 34. Nb4 Bxb4 35. axb4 c5 36. bxc5 Kxc5 37. f4 gxf4+ 38. Kxf4 b5 39. Ke5 Bd7 40. Ne4+ Kc6 41. Nf6 Bc8 42. h4 Bxg4 43. Nxg4 Kc5 44. Nxh6 a5 45. Nf5 b4 46. cxb4+ 1-0

[Event "Kuopio op1"]
[Site "Kuopio"]
[Date "1995.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Agopov, Mikael"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "66"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 d6 5. 0-0 0-0 6. Bg5 c5 7. c3 Ne4 8. Be3 Nd7 9. dxc5 Ndxc5 10. Nbd2 Nf6 11. Nb3 Na4 12. Nbd2 Bd7 13. Nc4 Rc8 14. Qb3 b5 15. Na3 Nc5 16. Qd1 a5 17. Nc2 Qc7 18. Nfe1 Na4 19. Bc1 e5 20. e4 Bc6 21. f3 d5 22. exd5 Nxd5 23. Qe2 Bd7 24. Ne3 Ndb6 25. Rf2 Rfd8 26. Kh1 h5 27. Nd3 Nc4 28. f4 Nxe3 29. Qxe3 Bc6 30. fxe5 Bxe5 31. Bxc6 Qxc6+ 32. Qf3 Rxd3 33. Qxc6 Rxc6 0-1

[Event "Kuopio op1"]
[Site "Kuopio"]
[Date "1995.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Shneider, Aleksandr"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2530"]
[PlyCount "80"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nf6 7. c3 0-0 8. h3 Rb8 9. Be3 b5 10. Nbd2 b4 11. Qc2 bxc3 12. bxc3 Ba6 13. Rfd1 Qa5 14. a4 Nd7 15. Rdc1 Rfc8 16. Bf1 Nde5 17. Nxe5 Nxe5 18. f4 Nc6 19. Nf3 Qd8 20. a5 Nd4 21. Bxd4 cxd4 22. c4 e5 23. fxe5 dxe5 24. h4 h6 25. Bh3 Rc5 26. Qa2 Bc8 27. Bxc8 Qxc8 28. Kg2 f5 29. Re1 f4 30. Qf2 Rb3 31. Red1 Rc7 32. Rab1 Rcb7 33. Rxb3 Rxb3 34. Qa2 Rc3 35. Nh2 fxg3 36. Kxg3 h5 37. Kg2 Bh6 38. c5+ Kg7 39. Rb1 Rxc5 40. Kh1 Bf4 0-1

[Event "Salo op"]
[Site "Salo"]
[Date "1994.??.??"]
[Round "1"]
[White "Kosonen, Marko"]
[Black "Hokkanen, Petri"]
[Result "1/2-1/2"]
[ECO "B35"]
[PlyCount "49"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 a5 9. a4 Ng4 10. Nxc6 Nxe3 11. Nxd8 Nxd1 12. Rxd1 Bxc3+ 13. bxc3 Rxd8 14. f4 d6 15. Kf2 Bd7 16. Rhe1 Rac8 17. Re3 b5 18. axb5 Bxb5 19. Rd4 Rc5 20. Ke1 Rdc8 21. Kd2 e5 22. fxe5 dxe5 23. Rd5 a4 24. Ba2 Kg7 25. c4 1/2-1/2

[Event "Salo op"]
[Site "Salo"]
[Date "1994.??.??"]
[Round "3"]
[White "Maki Uuro, Miika"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2290"]
[PlyCount "51"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 Qa5+ 5. Nc3 Bb7 6. Bd2 Qb6 7. e4 a6 8. a4 axb5 9. Bxb5 e6 10. Qe2 Be7 11. dxe6 fxe6 12. Nf3 0-0 13. 0-0 Nc6 14. e5 Nd5 15. Nxd5 exd5 16. e6 d6 17. a5 Nxa5 18. Bd3 Nc4 19. Rxa8 Bxa8 20. Ng5 Bxg5 21. Bxg5 Ne5 22. e7 Rb8 23. Bxh7+ Kxh7 24. Qh5+ Kg8 25. e8R+ Rxe8 26. Qxe8+ 1-0

[Event "Salo op"]
[Site "Salo"]
[Date "1994.??.??"]
[Round "2"]
[White "Nokso Koivisto, Antti"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2250"]
[PlyCount "40"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 5. Bb5 dxe4 6. Nxc6 Qxd1+ 7. Kxd1 a6 8. Nd4+ axb5 9. Nxb5 Bg4+ 10. Ke1 0-0-0 11. N1c3 e5 12. h3 Bh5 13. g4 Bg6 14. Be3 h5 15. g5 f5 16. Na4 Be8 17. Nb6+ Kb8 18. a4 Ne7 19. Nc4 Nc6 20. Bb6 Rc8 1/2-1/2

[Event "Heart of Finland op 03rd"]
[Site "Jyvaskyla"]
[Date "1993.??.??"]
[Round "7"]
[White "Kosonen, Marko"]
[Black "Alava, Mikko"]
[Result "0-1"]
[ECO "C59"]
[BlackElo "2290"]
[PlyCount "40"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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. d4 exd3 12. Nxd3 Qc7 13. f4 0-0 14. 0-0 Bf5 15. Nd2 Nd5 16. Nb3 Nc4 17. Rf3 Rad8 18. Kh1 Be4 19. Rh3 Bxf4 20. Qf1 Bxc1 0-1

[Event "Heart of Finland op 03rd"]
[Site "Jyvaskyla"]
[Date "1993.??.??"]
[Round "9"]
[White "Kosonen, Marko"]
[Black "Fieandt, John"]
[Result "1/2-1/2"]
[ECO "B24"]
[BlackElo "2275"]
[PlyCount "11"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 e5 5. d3 Nge7 6. Nd5 1/2-1/2

[Event "Heart of Finland op 03rd"]
[Site "Jyvaskyla"]
[Date "1993.??.??"]
[Round "3"]
[White "Kosonen, Marko"]
[Black "Maki Uuro, Miika"]
[Result "1/2-1/2"]
[ECO "B24"]
[BlackElo "2300"]
[PlyCount "55"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 0-0 8. 0-0 Rb8 9. Be3 Nd4 10. e5 Nef5 11. Bf2 b5 12. Ne4 Qc7 13. Nxc5 Nxf3+ 14. Bxf3 d6 15. exd6 Nxd6 16. Rb1 a5 17. c3 Rd8 18. Qc2 Nf5 19. d4 b4 20. Bg2 h5 21. h3 g5 22. g4 hxg4 23. hxg4 Nh6 24. Bg3 Nxg4 25. Qe2 Nh6 26. Bh2 gxf4 27. Bxf4 e5 28. Bxe5 1/2-1/2

[Event "Heart of Finland op 03rd"]
[Site "Jyvaskyla"]
[Date "1993.??.??"]
[Round "6"]
[White "Tuominen, Risto"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "A95"]
[PlyCount "64"]
[EventDate "1993.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 Be7 5. 0-0 0-0 6. c4 d5 7. Nc3 c6 8. b3 Nbd7 9. e3 b6 10. Bb2 Ba6 11. Ng5 Qc8 12. Nxe6 Re8 13. Re1 dxc4 14. Rc1 Bb4 15. Nf4 Ne4 16. bxc4 Bxc3 17. Bxc3 Bxc4 18. Ba1 Qa6 19. d5 c5 20. Ne6 Qxa2 21. Bxe4 fxe4 22. Nxg7 Ne5 23. Bxe5 Rxe5 24. Qg4 Kh8 25. Ne6 Rxe6 26. Qxe6 Rf8 27. Qxe4 Qxf2+ 28. Kh1 Be2 29. Qe5+ Kg8 30. Qe6+ Kg7 31. Qe5+ Kg8 32. Qg5+ Kh8 1/2-1/2

[Event "Helsinki-ch"]
[Site "Helsinki"]
[Date "1991.??.??"]
[Round "?"]
[White "Broman, Hannu"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "A84"]
[PlyCount "209"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 f5 4. Nc3 c6 5. Qc2 Nf6 6. cxd5 exd5 7. Bf4 Bd6 8. g3 0-0 9. e3 Qe7 10. Bxd6 Qxd6 11. Bd3 Ne4 12. 0-0 Nd7 13. Rad1 Qh6 14. Ne5 Ndf6 15. f4 Be6 16. Rb1 g5 17. b4 a6 18. a4 gxf4 19. exf4 Kh8 20. Nd1 Rg8 21. Rf3 Nh5 22. Qg2 Rg7 23. Rb2 Rag8 24. Kf1 Nhxg3+ 25. hxg3 Nxg3+ 26. Ke1 Ne4 27. Qh2 Qf6 28. Rh3 Rg1+ 29. Bf1 Qe7 30. Rh6 R8g7 31. Qh4 Qxh4+ 32. Rxh4 Kg8 33. Rh6 Bc8 34. b5 axb5 35. axb5 Rc7 36. bxc6 bxc6 37. Rg2+ Rxg2 38. Bxg2 c5 39. dxc5 Rxc5 40. Bf3 Kg7 41. Rh2 Ra5 42. Rc2 Ba6 43. Rc7+ Kf6 44. Ra7 Ra2 45. Nd3 Bc4 46. Rxa2 Bxa2 47. Nb4 Bb3 48. Nb2 Nc5 49. Nxd5+ Ke6 50. Ne3 Kf6 51. Kf2 Ne6 52. Nd3 Nd4 53. Bg2 Ne6 54. Nd5+ Kg7 55. Ke3 Bc2 56. Bh3 Kg6 57. Bf1 Bb3 58. Ne7+ Kf6 59. Nc6 Bc4 60. Nce5 Bb5 61. Bg2 Ba4 62. Bf3 Bb5 63. Bh5 Ng7 64. Bf3 Ne6 65. Nb4 Ba4 66. Nd5+ Kg7 67. Bh5 Bb3 68. Ne7 Kf6 69. N7c6 Ba4 70. Nd4 Ng7 71. Be2 Be8 72. Bd3 Bh5 73. Nef3 Be8 74. Ng5 h6 75. Ngf3 Bd7 76. Ne5 Be8 77. Bc4 Ba4 78. Nec6 Ne8 79. Nb4 Ng7 80. Nd5+ Kg6 81. Nf3 Nh5 82. Nh4+ Kh7 83. Nxf5 Nxf4 84. Kxf4 Bc2 85. Nde7 Bb1 86. Bg8+ Kh8 87. Nxh6 Kg7 88. Kg5 Kf8 89. Kf6 Ke8 90. Bc4 Kd7 91. Nf7 Kc7 92. Nd5+ Kc6 93. Ke5 Kc5 94. Nd6 Bh7 95. Bb3 Kc6 96. Ne4 Kb5 97. Kd4 Bg6 98. Nec3+ Ka6 99. Ba4 Bf7 100. Kc5 Kb7 101. Bb5 Kc8 102. Kd6 Kd8 103. Nc7 Bh5 104. Bd7 Bg4 105. Ne6+ 1-0

[Event "FIN-ch U18"]
[Site "Finland"]
[Date "1989.??.??"]
[Round "?"]
[White "Koskela, Niina"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "39"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nf3 Bg4 5. Bc4 Nf6 6. Bxf7+ Kxf7 7. Ne5+ Kg8 8. Nxg4 Nc6 9. d3 Qd7 10. Nxf6+ exf6 11. 0-0 Kf7 12. Bf4 h5 13. h4 Be7 14. Ne4 Rag8 15. c3 Ke8 16. Re1 Kd8 17. d4 g5 18. hxg5 fxg5 19. Bh2 Rg6 20. d5 1-0

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Froberg, Harri"]
[Black "Kosonen, Marko"]
[Result "1/2-1/2"]
[ECO "A90"]
[PlyCount "34"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 d5 5. Nf3 c6 6. Nc3 Bd6 7. Qd3 Ne4 8. 0-0 0-0 9. Nd2 Nd7 10. e3 Qe7 11. f3 Nxc3 12. bxc3 e5 13. cxd5 cxd5 14. c4 exd4 15. exd4 f4 16. c5 Bc7 17. g4 Nb8 1/2-1/2

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Franssila, Tommi"]
[Result "1/2-1/2"]
[ECO "B25"]
[PlyCount "16"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Nge2 Bg7 5. d3 d6 6. Bg2 e6 7. 0-0 Nge7 8. f4 0-0 1/2-1/2

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Lehtivaara, Petri"]
[Result "1/2-1/2"]
[ECO "A80"]
[PlyCount "83"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. f4 f5 3. Nf3 Nf6 4. e3 Be7 5. c4 b6 6. a3 Bb7 7. Nc3 0-0 8. Bd3 Qe8 9. Nb5 Bd8 10. b4 a6 11. Nc3 d6 12. Bb2 Nbd7 13. Qe2 Ne4 14. Bxe4 fxe4 15. Nd2 d5 16. 0-0 c6 17. a4 Be7 18. b5 Nf6 19. Nb3 Qd7 20. Rfc1 Rfc8 21. c5 bxc5 22. dxc5 cxb5 23. axb5 axb5 24. Rxa8 Bxa8 25. Nxb5 Bc6 26. N5d4 Ba4 27. Qd2 Qa7 28. Qb4 Bxb3 29. Nxb3 Rb8 30. Qc3 Qa2 31. c6 Bd6 32. c7 Bxc7 33. Qxc7 Qxb3 34. Bd4 Qb7 35. Qd6 Re8 36. h3 Qd7 37. Qb6 Rc8 38. Rb1 Qc6 39. Qb4 Qd7 40. Ra1 Rc7 41. Ra8+ Rc8 42. Ra7 1/2-1/2

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Norri, Joose"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "88"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d5 5. Nf3 0-0 6. Nbd2 c5 7. c3 b6 8. 0-0 Bb7 9. Qe2 Nbd7 10. Ne5 Ne4 11. Bxe4 dxe4 12. b4 a6 13. Nb3 cxb4 14. cxb4 Nf6 15. Bb2 Nd5 16. Qd2 Rc8 17. Rac1 Qd6 18. a3 Nf6 19. Rxc8 Rxc8 20. Rc1 Qd5 21. Rxc8+ Bxc8 22. Qc3 Be6 23. Nd2 Qa2 24. Kf2 h5 25. Bc1 Kh7 26. Nec4 Ng4+ 27. Kg1 b5 28. Na5 Qd5 29. Nab3 g5 30. g3 h4 31. h3 Nh6 32. g4 f5 33. fxg5 fxg4 34. Qc5 Nf5 35. Qxd5 Bxd5 36. Kf2 gxh3 37. Nc5 Nxe3 38. Nd7 h2 39. Nf8+ Bxf8 40. g6+ Kg7 41. Nxe4 Ng4+ 42. Ke2 h1Q 43. Bh6+ Kxg6 44. Bxf8 Bxe4 0-1

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Pukkila, Markku"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "71"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 Bg4 4. f3 Bh5 5. Ne2 e6 6. 0-0 c5 7. Nf4 Bg6 8. Nxg6 hxg6 9. c3 Bd6 10. f4 Nc6 11. Nd2 Rc8 12. Nf3 Qc7 13. Ne5 Ne7 14. Qf3 a6 15. Bd2 Nf5 16. Be1 Qd8 17. g4 Ne7 18. Bg3 Qb6 19. Rf2 Rc7 20. Raf1 cxd4 21. exd4 Qa5 22. a3 b5 23. Re2 0-0 24. f5 gxf5 25. gxf5 exf5 26. Ng6 fxg6 27. Bxd6 Re8 28. Bxc7 Qxc7 29. Re6 Ne4 30. Bxe4 dxe4 31. Rxe4 Qb7 32. Re6 Qc8 33. Rfe1 Kf7 34. d5 Qc5+ 35. Kg2 a5 36. d6 1-0

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Kosonen, Marko"]
[Black "Suvanto, Petro"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "56"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c6 4. f4 g6 5. Nf3 Bf5 6. Bxf5 gxf5 7. b3 e6 8. Ne5 Nbd7 9. Nd2 Nxe5 10. fxe5 Ng4 11. Qf3 Qg5 12. Nf1 Rg8 13. Ng3 Bb4+ 14. Ke2 Nxh2 15. Rxh2 Qxg3 16. Qxg3 Rxg3 17. Kf2 Rg7 18. Bb2 0-0-0 19. a3 Be7 20. c4 dxc4 21. bxc4 f6 22. d5 fxe5 23. Bxe5 Bd6 24. Bxg7 Bxh2 25. dxe6 Re8 26. g3 Rxe6 27. Bd4 c5 28. Bxc5 Rg6 1/2-1/2

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Lako, Mika"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "A87"]
[PlyCount "44"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 Qe8 7. b3 d6 8. Bb2 c6 9. d5 e5 10. dxe6 Qxe6 11. Nd4 Qe7 12. Nc3 Be6 13. Re1 Bf7 14. e4 fxe4 15. Nxe4 Nxe4 16. Rxe4 Qc7 17. Qe2 Nd7 18. Bh3 Nc5 19. Re7 Qb6 20. Ne6 Nxe6 21. Bxe6 Bxb2 22. Qxb2 Bxe6 1-0

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Manninen, Marko"]
[Black "Kosonen, Marko"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "79"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 e6 3. g3 Nf6 4. Bg2 d5 5. 0-0 Bd6 6. c4 c6 7. Nbd2 0-0 8. b3 Nbd7 9. Bb2 Qe7 10. Qc2 Ne4 11. Ne5 Qf6 12. Nxd7 Bxd7 13. e3 Qh6 14. Nxe4 fxe4 15. Qe2 Be8 16. f4 Bh5 17. g4 Be8 18. g5 Qh4 19. Bc3 Bh5 20. Qf2 Qxf2+ 21. Rxf2 Bg4 22. c5 Bc7 23. b4 a5 24. bxa5 Bxa5 25. Bxa5 Rxa5 26. Rb2 Rfa8 27. Bf1 e5 28. fxe5 Bc8 29. Kf2 Ra3 30. Be2 Kf7 31. h3 Kg6 32. Bg4 Bxg4 33. hxg4 R8a7 34. e6 h6 35. gxh6 gxh6 36. Rh1 Rxa2 37. Rxa2 Rxa2+ 38. Kg3 b5 39. cxb6 Rb2 40. Rxh6+ 1-0

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Toikkanen, Pekka"]
[Black "Kosonen, Marko"]
[Result "0-1"]
[ECO "A90"]
[PlyCount "76"]
[EventDate "1987.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FIN"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. g3 Nf6 4. Bg2 d5 5. cxd5 exd5 6. Nc3 c6 7. Nf3 Bd6 8. 0-0 Nbd7 9. Qc2 Ne4 10. Nd2 0-0 11. f3 Nxc3 12. bxc3 f4 13. e4 fxg3 14. e5 Nxe5 15. dxe5 Bc5+ 16. Rf2 Qh4 17. hxg3 Qxg3 18. Nb3 Bxf2+ 19. Qxf2 Qxe5 20. Bb2 Qh5 21. Qg3 Rf6 22. Re1 Bf5 23. Re5 Re8 24. c4 Rxe5 25. Qxe5 dxc4 26. Nd4 Qf7 27. Nxf5 Rxf5 28. Qb8+ Qf8 29. Qxb7 Qc5+ 30. Kf1 c3 31. Qc8+ Rf8 32. Qe6+ Kh8 33. Bc1 Rd8 34. Be3 c2 35. Kf2 c1N 36. Bxc5 g5 37. Qg6 h6 38. Qe6 h5 0-1

