[Event "Helsinki op"]
[Site "Helsinki"]
[Date "1989.??.??"]
[Round "?"]
[White "Koivikko, Jari"]
[Black "Sammalvuo, Tapani"]
[Result "0-1"]
[ECO "D44"]
[PlyCount "112"]
[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. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. a4 Qb6 8. d5 Bc5 9. Qc2 b4 10. Bxf6 gxf6 11. a5 Qc7 12. d6 Bxd6 13. Nd1 Ba6 14. Bxc4 Bxc4 15. Qxc4 Nd7 16. Ne3 c5 17. Rd1 0-0 18. 0-0 Rfd8 19. Ng4 Be7 20. Nh4 Qf4 21. Rd3 f5 22. Nxf5 exf5 23. Rf3 Ne5 24. Qxf7+ Nxf7 25. Rxf4 fxg4 26. Rxg4+ Kf8 27. f4 Rd6 28. Rg3 Rad8 29. Rgf3 Rd1 30. g4 Rxf1+ 31. Kxf1 h6 32. Ke2 c4 33. e5 Rd3 34. Rf1 Bd8 35. g5 hxg5 36. fxg5 Kg7 37. h4 Nxe5 38. Rf4 Rb3 39. Re4 Rxb2+ 40. Kd1 Nc6 41. Rxc4 Nxa5 42. Rd4 Bb6 43. Rd7+ Kg8 44. h5 Rh2 45. h6 Be3 46. Re7 b3 47. Rxe3 b2 48. Re8+ Kf7 49. Rb8 Nc4 50. Rb7+ Ke6 51. Rb5 Na3 52. Rxb2 Rxb2 53. h7 Rh2 54. g6 Kf6 55. g7 Kxg7 56. h8Q+ Kxh8 0-1

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Franssila, Tommi"]
[Black "Koivikko, Jari"]
[Result "1-0"]
[ECO "D91"]
[PlyCount "77"]
[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. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. Bg5 0-0 6. Bxf6 Bxf6 7. cxd5 Nd7 8. e4 Nb6 9. Be2 Bg7 10. 0-0 f5 11. Ne5 fxe4 12. Qc2 Kh8 13. Rfd1 a6 14. Rac1 Bh6 15. Nxe4 Bxc1 16. Qxc1 Nxd5 17. Qh6 Qe8 18. Ng5 Nf6 19. Nxg6+ Kg8 20. Bc4+ e6 21. Nxf8 Qxf8 22. Bxe6+ Bxe6 23. Qxf8+ Kxf8 24. Nxe6+ Kf7 25. Nf4 c6 26. Kf1 Rd8 27. Nd3 Ng4 28. h3 Nh6 29. g4 Kf6 30. f4 Nf7 31. Ne5 Nd6 32. Kf2 Ne8 33. Ke3 Ng7 34. f5 h5 35. Kf4 hxg4 36. hxg4 Ke7 37. g5 Nh5+ 38. Kg4 Rh8 39. Ng6+ 1-0

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Graeffe, Petri"]
[Black "Koivikko, Jari"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "109"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg4 f6 8. f4 c5 9. Nb5 Nf8 10. Nd6+ Kd8 11. Nxc8 Kxc8 12. dxc5 fxe5 13. fxe5 Nfd7 14. Nf3 Nc6 15. 0-0-0 Ncxe5 16. Qg3 Nxf3 17. gxf3 Nxc5 18. Bh3 Rd8 19. Qe5 Qf6 20. Qxf6 gxf6 21. b4 Na6 22. Bxe6+ Kc7 23. b5 Nb4 24. a3 Re8 25. Bh3 a6 26. axb4 axb5 27. Kb2 Rad8 28. Rhg1 Re7 29. Rd2 Kc6 30. Rgd1 Re5 31. f4 Re4 32. Rd4 Re3 33. Bg2 Re2 34. Bxd5+ Kc7 35. R4d2 Rde8 36. f5 Rxd2 37. Rxd2 Re5 38. Be6 Re4 39. Rd7+ Kb6 40. Rxb7+ Kc6 41. Rxh7 Rxb4+ 42. Kc3 Rf4 43. h4 Rg4 44. h5 Kc5 45. h6 Rg3+ 46. Kb2 Rh3 47. Rh8 Kb6 48. h7 Kb7 49. Bd5+ Kc7 50. Ra8 Kd6 51. h8Q Rxh8 52. Rxh8 Kxd5 53. Re8 b4 54. Kb3 Kc5 55. Rd8 1-0

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koivikko, Jari"]
[Black "Hamalainen, Sami"]
[Result "0-1"]
[ECO "A60"]
[PlyCount "124"]
[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. c4 c5 3. d5 e6 4. Nc3 exd5 5. Nxd5 Nxd5 6. cxd5 g6 7. Nf3 Bg7 8. e4 d6 9. Bd3 0-0 10. 0-0 Re8 11. Re1 Nd7 12. Qc2 a6 13. Bf4 Qf6 14. Bc1 b5 15. Rb1 h6 16. b3 Qd8 17. Bf4 Nf6 18. Rbd1 Nh5 19. Bc1 Bg4 20. Be2 Qe7 21. h3 Bd7 22. Bd3 Qf6 23. Re3 Nf4 24. Bf1 Re7 25. Bd2 g5 26. Kh1 Qg6 27. Ng1 Nxd5 28. Re2 Nb6 29. Ba5 Nc8 30. Red2 Bc6 31. f3 b4 32. Bxb4 Bxe4 33. fxe4 cxb4 34. Bxa6 Bc3 35. Bxc8 Rxc8 36. Rxd6 Qxe4 37. Qxe4 Rxe4 38. Rxh6 Bg7 39. Rb6 Rc2 40. Rb8+ Kh7 41. Ra8 g4 42. Ra7 Rf4 43. hxg4 Rxg4 44. Nf3 Rcxg2 45. Rg1 Rxg1+ 46. Nxg1 Rxg1+ 47. Kh2 Be5+ 48. Kh3 Kg6 49. Re7 Rg3+ 50. Kh2 Rg5+ 51. Kh3 Bd6 52. Rd7 Rd5 53. Kg4 f5+ 54. Kf3 Kf6 55. Rh7 Rd2 56. Ra7 Rf2+ 57. Kxf2 Bc5+ 58. Kf3 Bxa7 59. Kf4 Bb8+ 60. Kf3 Ke5 61. Ke3 f4+ 62. Kf3 Kd4 0-1

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koivikko, Jari"]
[Black "Kopsa, Petri"]
[Result "0-1"]
[ECO "D47"]
[PlyCount "92"]
[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. c4 e6 3. Nc3 d5 4. Nf3 c6 5. e3 Nbd7 6. Be2 dxc4 7. Bxc4 b5 8. Be2 a6 9. 0-0 c5 10. b3 Bb7 11. Bb2 Rc8 12. dxc5 Bxc5 13. Rc1 Qe7 14. Nb1 0-0 15. Nd4 Rfd8 16. Bf3 Ne4 17. Nd2 Ndf6 18. Nxe4 Nxe4 19. Qe2 e5 20. Bg4 exd4 21. Bxc8 dxe3 22. Qg4 exf2+ 23. Kh1 g6 24. Bxb7 Qxb7 25. Qf4 Bd6 26. Rcd1 Qe7 27. Qh6 f5 28. Qh3 Re8 29. Bd4 Bc5 30. Bxc5 Qxc5 31. Qh4 Qe5 32. Qh3 Re7 33. Qd3 Kg7 34. g3 Nc3 35. Rc1 Ne4 36. Rcd1 Kf6 37. Qd4 Qxd4 38. Rxd4 Ke5 39. Rdd1 b4 40. Kg2 Rc7 41. Rc1 Rxc1 42. Rxc1 Kd4 43. Kf1 Ke3 44. Rc2 Nd2+ 45. Rxd2 Kxd2 46. Kxf2 Kc2 0-1

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koivikko, Jari"]
[Black "Pukkila, Markku"]
[Result "0-1"]
[ECO "D20"]
[PlyCount "30"]
[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. c4 dxc4 3. e3 e5 4. Bxc4 exd4 5. exd4 Bd6 6. Nc3 Nf6 7. Bg5 0-0 8. Nge2 Bf5 9. 0-0 Bxh2+ 10. Kh1 Bd6 11. Nd5 Nbd7 12. Nef4 h6 13. Nxf6+ Nxf6 14. Bxf6 Qxf6 15. Nd5 Qh4+ 0-1

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Koivikko, Jari"]
[Black "Suvanto, Petro"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "78"]
[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. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. Qc2 e6 7. Be2 Be7 8. 0-0 0-0 9. Rd1 Bb7 10. Be3 Nbd7 11. Ne5 Qc7 12. Nxd7 Qxd7 13. Rd2 Rad8 14. Rad1 Qc7 15. a4 a6 16. axb5 cxb5 17. f3 h5 18. Qc1 g6 19. Bf1 Kh7 20. Ne2 Rg8 21. Bf4 Qb6 22. Kh1 Bxe4 23. fxe4 Nxe4 24. Be3 Nxd2 25. Rxd2 e5 26. Qc3 exd4 27. Bxd4 Bc5 28. Bxc5 Qxc5 29. Rxd8 Rxd8 30. Ng3 Qd4 31. Qf3 Qxb2 32. Qxf7+ Qg7 33. Qe6 Rf8 34. Qxa6 h4 35. Qxb5 hxg3 36. Qxc4 Qa1 37. Qh4+ Kg7 38. Qe7+ Rf7 39. Qe2 Qxf1+ 0-1

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Lammi, Jyri"]
[Black "Koivikko, Jari"]
[Result "1-0"]
[ECO "D83"]
[PlyCount "81"]
[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. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 dxc4 6. e3 0-0 7. Bxc4 b6 8. Rc1 Ba6 9. Qe2 Bb7 10. 0-0 Nbd7 11. Rfd1 e6 12. Nb5 Ne8 13. d5 exd5 14. Bxd5 Bxd5 15. Rxd5 c5 16. Rcd1 Nef6 17. R5d2 Qc8 18. e4 Nb8 19. Nc7 Nc6 20. Nxa8 Qxa8 21. Qc4 Na5 22. Qa6 Nxe4 23. Rd7 Nc6 24. Bd6 Nxd6 25. R1xd6 Nb4 26. Qxa7 Qxa7 27. Rxa7 Rb8 28. Rdd7 Rf8 29. b3 Nc6 30. Rab7 Nb4 31. a4 Bc3 32. g3 Na2 33. Rxb6 Bb4 34. Rbb7 Nc3 35. Ng5 Ne2+ 36. Kg2 Nd4 37. Nxf7 Nf5 38. Nh6+ Nxh6 39. Rg7+ Kh8 40. Rxh7+ Kg8 41. Rbg7# 1-0

[Event "FIN-ch U20"]
[Site "Finland"]
[Date "1987.??.??"]
[Round "?"]
[White "Toikkanen, Pekka"]
[Black "Koivikko, Jari"]
[Result "1-0"]
[ECO "D91"]
[PlyCount "85"]
[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. c4 Nf6 2. Nc3 g6 3. d4 d5 4. Nf3 Bg7 5. Bg5 dxc4 6. e4 c6 7. Bxc4 0-0 8. 0-0 Qc7 9. e5 Ne8 10. Qd2 Bg4 11. Qf4 Qd7 12. Rad1 Bxf3 13. gxf3 b5 14. Bb3 Na6 15. Qh4 Nec7 16. Bxe7 Rfe8 17. Bf6 Qf5 18. Ne4 h5 19. Bxf7+ Kf8 20. Bxg7+ Kxg7 21. Bxe8 Rxe8 22. Qf6+ Qxf6 23. Nxf6 Re7 24. a3 Nb8 25. Rc1 a6 26. Rfd1 Ne8 27. Nxe8+ Rxe8 28. f4 Kf7 29. d5 cxd5 30. Rxd5 Re7 31. Rc8 Nd7 32. Rc7 Nf8 33. Rxe7+ Kxe7 34. Rd6 Ne6 35. Rxa6 Nxf4 36. Rb6 g5 37. Rxb5 Ke6 38. a4 Ne2+ 39. Kf1 Nd4 40. Rb7 Kxe5 41. a5 Nc6 42. a6 Kd5 43. a7 1-0

