[Event "Karhula We KarhTS"]
[Site "Karhula"]
[Date "1997.??.??"]
[Round "2"]
[White "Kopperi, Arto"]
[Black "Hodokainen, Juri"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "60"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nd6 5. c4 Nxc4 6. Qc2 c6 7. e4 Nb6 8. e5 g6 9. Bd3 Bg7 10. h4 h5 11. Nh3 Be6 12. Ng5 Qc8 13. Bxg6 c5 14. Na3 Nc6 15. dxc5 Nc4 16. Nxc4 dxc4 17. 0-0-0 Nxe5 18. Bxe5 Bxe5 19. Nxe6 Qxe6 20. Bf5 Qh6+ 21. Kb1 0-0 22. Rd7 e6 23. Be4 Rac8 24. Bxb7 Rxc5 25. g4 Rb5 26. g5 Qg7 27. Qxc4 Rxb2+ 28. Kc1 Bf4+ 29. Qxf4 Qc3+ 30. Kd1 Qc2+ 0-1

[Event "Karhula We KarhTS"]
[Site "Karhula"]
[Date "1997.??.??"]
[Round "4"]
[White "Kopperi, Arto"]
[Black "Peltonen, Bengt"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "22"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e4 dxe4 4. Nc3 Nf6 5. c5 Be7 6. f4 exf3 7. gxf3 0-0 8. Nh3 Nc6 9. Rg1 Qxd4 10. Qc2 Qh4+ 11. Ke2 Nd4+ 0-1

[Event "Karhula We KarhTS"]
[Site "Karhula"]
[Date "1997.??.??"]
[Round "1"]
[White "Lehtisalo, Marko"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "120"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. dxc5 Nxc5 10. Nb3 Nce4 11. Qd3 0-0 12. Be3 b6 13. c3 Qc7 14. Nbd4 h6 15. Rad1 Rfd8 16. Nf5 Bc5 17. h3 Qd7 18. N3d4 Nd6 19. Nxd6 Bxd6 20. Qe2 Re8 21. Qf3 Qe7 22. Nf5 Qe5 23. g3 Bc5 24. Bd4 Bxd4 25. Rxd4 Kh7 26. Ne3 Rad8 27. Rfd1 Qe6 28. Kh2 g6 29. c4 Ne4 30. h4 Nxf2 31. Qxf2 Qxe3 32. Qxf7+ Kh8 33. Qf6+ Kh7 34. Rxd5 Rxd5 35. Qf7+ Kh8 36. Rxd5 Qe2+ 37. Kh3 Qe6+ 38. Qxe6 Rxe6 39. Rd2 a5 40. Kg2 Kg7 41. Kf3 Kf6 42. Rd5 h5 43. Rb5 Rc6 44. b3 a4 45. Kf4 axb3 46. axb3 Re6 47. c5 bxc5 48. Rxc5 Rb6 49. Rc3 Rb4+ 50. Ke3 Rg4 51. Kd2 Ke5 52. Kc2 Kd5 53. Kb2 g5 54. hxg5 Rxg5 55. b4 Rg4 56. Kb3 h4 57. gxh4 Rxh4 58. Ka4 Rh1 59. Ka5 Rh8 60. Rd3+ Ke6 1-0

[Event "Karhula We KarhTS"]
[Site "Karhula"]
[Date "1997.??.??"]
[Round "3"]
[White "Pussinen, Ari"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "22"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 cxd4 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. dxe6 Qxe6+ 8. Qe2 Nc6 9. Nb3 0-0-0 10. Bg5 Qxe2+ 11. Nxe2 h6 1-0

[Event "Oulu We OSS"]
[Site "Oulu"]
[Date "1996.??.??"]
[Round "1"]
[White "Kopperi, Arto"]
[Black "Nivala, Tuomas"]
[Result "0-1"]
[ECO "E10"]
[PlyCount "35"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 Bb7 5. e3 e6 6. dxe6 fxe6 7. cxb5 d5 8. Be2 Bd6 9. 0-0 0-0 10. h3 e5 11. a4 Bc7 12. Nbd2 e4 13. Nh2 Qd6 14. g3 d4 15. Qb3+ Kh8 16. Nc4 Qe6 17. Ng4 d3 18. Nxf6 0-1

[Event "Oulu We OSS"]
[Site "Oulu"]
[Date "1996.??.??"]
[Round "4"]
[White "Kynsilehto, Markku"]
[Black "Kopperi, Arto"]
[Result "1/2-1/2"]
[ECO "D06"]
[PlyCount "117"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Nc6 5. Bf4 Nf6 6. e3 Bd6 7. Bg5 Be7 8. c5 a6 9. Bf4 0-0 10. h4 h5 11. Be2 b6 12. Ne5 Nb4 13. Rc1 a5 14. a3 Na6 15. c6 Bd6 16. g4 Bxe5 17. Bxe5 Nxg4 18. Bxg4 Bxg4 19. f3 Bf5 20. e4 dxe4 21. fxe4 Bg4 22. Qd3 f6 23. Bg3 e5 24. d5 Nc5 25. Qe3 Qe7 26. 0-0 Qf7 27. Nb5 Rac8 28. d6 cxd6 29. Nxd6 Qg6 30. Nxc8 Rxc8 31. b4 axb4 32. axb4 Nxe4 33. Kh2 Nxg3 34. Qxg3 Qe4 35. Qb3+ Kh8 36. b5 Be2 37. Rf2 Qxh4+ 38. Kg2 Qg4+ 39. Qg3 Bxb5 40. Qxg4 hxg4 41. c7 Bd3 42. Rb2 b5 43. Kf2 g5 44. Rc6 Kg7 45. Ke3 Bc4 46. Rf2 g3 47. Rfxf6 g2 48. Rg6+ Kf7 49. Rxg5 Bd5 50. Rc5 Kf6 51. Rg3 Bb7 52. Kf2 b4 53. Kg1 Ke6 54. Rg6+ Kf5 55. Rg7 Kf6 56. Rg3 Ke7 57. Rg7+ Kd6 58. Rb5 Kc6 59. Rxb4 1/2-1/2

[Event "Oulu We OSS"]
[Site "Oulu"]
[Date "1996.??.??"]
[Round "2"]
[White "Takalo Eskola, Anssi"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "A95"]
[PlyCount "93"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 e6 4. Bg2 c6 5. d4 d5 6. cxd5 exd5 7. Nf3 Be7 8. 0-0 0-0 9. Bf4 Nbd7 10. Be5 Ne4 11. e3 Qe8 12. Nd2 Nxe5 13. dxe5 Nxd2 14. Qxd2 Bb4 15. f4 Be6 16. a3 Ba5 17. b4 Bb6 18. Kh1 Rd8 19. Na4 Bc7 20. Rac1 a6 21. Rc3 Bb8 22. Nc5 Bc8 23. Rd1 Ba7 24. Qc2 g6 25. Bf3 h5 26. Kg2 Kh7 27. h3 Qe7 28. Qe2 Kg7 29. Rcc1 Be6 30. g4 hxg4 31. hxg4 Rh8 32. gxf5 gxf5 33. Qf2 Bxc5 34. Rxc5 Kf7 35. Kf1 Rh4 36. Ke2 Rdh8 37. Rg1 Ke8 38. Rcc1 a5 39. Rb1 axb4 40. axb4 Kd7 41. Kd3 Rh2 42. Rg2 Rxg2 43. Qxg2 Rg8 44. Qf2 c5 45. bxc5 Qxc5 46. Rxb7+ Kc8 47. Qb2 1-0

[Event "Oulu We OSS"]
[Site "Oulu"]
[Date "1996.??.??"]
[Round "5"]
[White "Verkasalo, Tommi"]
[Black "Kopperi, Arto"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "32"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. Qxd4 Nc6 7. Bb5 Bxc3+ 8. Qxc3 Nge7 9. Bg5 Bd7 10. f4 Rc8 11. Nf3 Qb6 12. Bxe7 Nxe7 13. Bxd7+ Kxd7 14. Qd2 Nf5 15. c3 Rc4 16. 0-0-0 Rhc8 1/2-1/2

[Event "Tampere op2"]
[Site "Tampere"]
[Date "1994.??.??"]
[Round "3"]
[White "Kopperi, Arto"]
[Black "Jantti, Petri"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "48"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Bxf6 Bxf6 5. e5 Be7 6. f4 d5 7. Nf3 c5 8. c3 Nc6 9. Bb5 Qc7 10. Nbd2 a6 11. Ba4 b5 12. Bc2 Bb7 13. 0-0 g6 14. Nb3 c4 15. Nbd2 a5 16. g4 Bc8 17. Kh1 b4 18. Ng1 Bd7 19. f5 Qb7 20. f6 Bd8 21. Ndf3 Bc8 22. Ne2 Na7 23. Qd2 h6 24. h4 Qc6 1-0

[Event "Tampere op2"]
[Site "Tampere"]
[Date "1994.??.??"]
[Round "1"]
[White "Kopperi, Arto"]
[Black "Pasanen, Tuomo Tapio"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "121"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Nf3 h6 4. Bf4 Bg7 5. c4 0-0 6. Nc3 d6 7. e4 c5 8. d5 Nh5 9. Bd2 e5 10. h3 f5 11. exf5 e4 12. Nh2 Bxc3 13. bxc3 Qh4 14. Qg4 Qf6 15. Qxg6+ Qxg6 16. fxg6 Nf4 17. Bxf4 Rxf4 18. g3 Rf6 19. Bg2 Bf5 20. Ng4 Rxg6 21. Ne3 Rf6 22. Nxf5 Rxf5 23. Bxe4 Re5 24. f3 Nd7 25. 0-0 Nf6 26. Rfe1 Rae8 27. Kf2 Nxe4+ 28. Rxe4 Rxe4 29. fxe4 Rxe4 30. Re1 Rxc4 31. Re7 Rxc3 32. Rxb7 Rc2+ 33. Ke3 Rxa2 34. Rd7 Ra6 35. Kf4 c4 36. h4 c3 37. Rc7 Ra3 38. g4 Ra4+ 39. Kf5 Ra5 40. Rxc3 Rxd5+ 41. Kg6 Rc5 42. Rb3 Rc8 43. Rb7 Rd8 44. Rxa7 d5 45. Kxh6 Rd6+ 46. Kg5 d4 47. Ra2 d3 48. Rd2 Kf7 49. Kf4 Rd4+ 50. Kf5 Kg7 51. h5 Kh6 52. g5+ Kxh5 53. Rh2+ Rh4 54. Rg2 Rd4 55. g6 Rd5+ 56. Ke4 d2 57. g7 d1Q 58. Rh2+ Kg6 59. g8Q+ Kf6 60. Rh6+ Ke7 61. Qg7+ 1-0

[Event "Tampere op2"]
[Site "Tampere"]
[Date "1994.??.??"]
[Round "5"]
[White "Kopperi, Arto"]
[Black "Sietio, Jari"]
[Result "0-1"]
[ECO "A45"]
[PlyCount "149"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 b6 3. f3 Bb7 4. e4 h6 5. Bh4 d5 6. e5 Nfd7 7. f4 c5 8. c3 Nc6 9. Nf3 Qc7 10. f5 e6 11. fxe6 fxe6 12. Bd3 Be7 13. Bg6+ Kd8 14. Bf2 cxd4 15. cxd4 Bb4+ 16. Nc3 Nf8 17. Bd3 g5 18. h3 Qg7 19. 0-0 Rg8 20. Nh2 Kc7 21. Nb5+ Kb8 22. Qh5 Ng6 23. Bxg6 Qxg6 24. Qxg6 Rxg6 25. Be1 Be7 26. Rf7 a6 27. Nd6 Bxd6 28. exd6 Nxd4 29. Bf2 e5 30. Re7 Rxd6 31. Rxe5 Nc6 32. Bg3 Ka7 33. Rxg5 hxg5 34. Bxd6 Rd8 35. Bg3 d4 36. Rd1 d3 37. Nf3 Rd5 38. Bf2 a5 39. Be3 Ne5 40. Nxe5 Rxe5 41. Rxd3 Rd5 42. Rb3 Rd6 43. Bxg5 Rg6 44. h4 Bd5 45. Ra3 Rc6 46. b4 Rc2 47. bxa5 Rxg2+ 48. Kf1 Rxa2 49. axb6+ Kxb6 50. Rc3 Bf7 51. Rf3 Bh5 52. Rf6+ Kc7 53. Rh6 Bg4 54. Bf4+ Kd7 55. Rg6 Bf5 56. Rb6 Bg4 57. Bg3 Ke8 58. Bf2 Bf3 59. Kg1 Kf7 60. Rb4 Kg6 61. Rf4 Bb7 62. Rb4 Bf3 63. Rb3 Be4 64. Rg3+ Kh6 65. Rg8 Bh7 66. Rf8 Kh5 67. Kh2 Rxf2+ 68. Rxf2 Kxh4 69. Rg2 Kh5 70. Rg3 Kh6 71. Kh3 Bg6 72. Rg1 Bf5+ 73. Kg3 Kh7 74. Kf4 Be6 75. Rd1 0-1

[Event "Tampere op2"]
[Site "Tampere"]
[Date "1994.??.??"]
[Round "2"]
[White "Nieminen, Olli"]
[Black "Kopperi, Arto"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "62"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Bb5+ Nc6 5. Ngf3 a6 6. exd5 axb5 7. dxc6 bxc6 8. dxc5 Bxc5 9. 0-0 Nf6 10. c3 0-0 11. Qb3 Ba6 12. Rd1 Qb6 13. Nd4 e5 14. Nc2 Bxf2+ 15. Kh1 e4 16. Nb4 Bb7 17. Nf1 c5 18. Nc2 c4 19. Qb4 Bc5 20. Be3 Bxe3 21. Nfxe3 Ra4 22. Nxc4 Rxb4 23. Nxb6 Rxb2 24. Nd4 Ng4 25. Rdb1 Rd2 26. h3 Nf2+ 27. Kh2 e3 28. Re1 Re8 29. Kg3 Ne4+ 30. Kf3 Nxc3+ 31. Kf4 Rxd4+ 0-1

[Event "Tampere op2"]
[Site "Tampere"]
[Date "1994.??.??"]
[Round "4"]
[White "Rautanen, Sari"]
[Black "Kopperi, Arto"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "110"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 cxd4 6. cxd4 Qb6 7. Be2 Nge7 8. 0-0 Nf5 9. Nc3 Nfxd4 10. Nxd4 Qxd4 11. Qxd4 Nxd4 12. Bd3 Bd7 13. Bd2 Nc6 14. f4 Bc5+ 15. Kh1 0-0 16. a3 a6 17. Rf3 Nd4 18. Rh3 g6 19. Be3 Nb3 20. Bxc5 Nxc5 21. Ne2 Nxd3 22. Rxd3 Bb5 23. Rd2 Bxe2 24. Rxe2 Rac8 25. Ree1 Rc2 26. Rab1 Rfc8 27. Kg1 b5 28. Rf1 Re2 29. Rf2 Rcc2 30. Rxe2 Rxe2 31. Kf1 Rc2 32. b4 Ra2 33. Rb3 Kg7 34. Rc3 h6 35. h3 g5 36. Rg3 f6 37. h4 fxe5 38. fxe5 Kg6 39. hxg5 hxg5 40. Rf3 g4 41. Rf6+ Kg5 42. Rxe6 Rxa3 43. Rd6 Kf5 44. Rxd5 Ke6 45. Rd4 g3 46. Re4 Rc3 47. Ke2 Rc4 48. Kd3 Kd5 49. Rxc4 bxc4+ 50. Kc3 Kxe5 51. Kxc4 Ke4 52. Kc5 Ke3 53. Kb6 Kf2 54. Kxa6 Kxg2 55. b5 Kf2 1/2-1/2

[Event "Helsinki Club-ch"]
[Site "Helsinki"]
[Date "1992.??.??"]
[Round "?"]
[White "Haapasalo, Jukka Pekka"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2245"]
[PlyCount "93"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. g3 Nc6 5. Bg2 g6 6. Ngf3 Bg7 7. 0-0 Nge7 8. Re1 dxe4 9. dxe4 0-0 10. c3 b6 11. Qe2 Bb7 12. h4 h6 13. e5 Qc7 14. Ne4 Kh7 15. Nd6 Nc8 16. Nxb7 Qxb7 17. Nh2 N8e7 18. Ng4 Rac8 19. Be4 h5 20. Nh2 Qd7 21. f4 Nf5 22. Kg2 Nce7 23. Nf3 Bh6 24. Rh1 Rfd8 25. Bd2 Qe8 26. Rae1 Ng7 27. Bc1 b5 28. Rh2 b4 29. g4 hxg4 30. Ng5+ Kg8 31. Qxg4 Nef5 32. Qe2 Nh5 33. Rh3 Bxg5 34. hxg5 Nfg7 35. Qa6 bxc3 36. bxc3 Qd7 37. Rd3 Qc7 38. Rd6 Rxd6 39. exd6 Qd8 40. Rd1 Nf5 41. d7 Rc7 42. Qa5 Kg7 43. Qxc7 Qxc7 44. d8Q Nxf4+ 45. Bxf4 Qxf4 46. Qf6+ Kh7 47. Qxf7+ 1-0

[Event "Kalakukko op"]
[Site "Kuopio"]
[Date "1992.??.??"]
[Round "5"]
[White "Ihonen, Jari"]
[Black "Kopperi, Arto"]
[Result "1/2-1/2"]
[ECO "C06"]
[PlyCount "46"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 h6 6. Ne2 c5 7. c3 cxd4 8. cxd4 Nc6 9. 0-0 Be7 10. Nf3 a6 11. Be3 b5 12. Rc1 Bb7 13. Nf4 Nf8 14. Nh5 Rg8 15. Qe2 Rc8 16. a4 bxa4 17. Bxa6 Qb6 18. Bb5 Ra8 19. Ra1 Ba6 20. Rxa4 Bxb5 21. Rxa8+ Bd8 22. Qd2 Bxf1 23. Kxf1 Qb7 1/2-1/2

[Event "Kalakukko op"]
[Site "Kuopio"]
[Date "1992.??.??"]
[Round "1"]
[White "Kopperi, Arto"]
[Black "Kopsa, Petri"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "99"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bg3 c5 10. Be2 Nxc3 11. bxc3 Bb7 12. 0-0 Nc6 13. Ne5 Na5 14. Bf3 Qc8 15. Bxb7 Qxb7 16. Qa4 Qe4 17. Rfd1 Rfd8 18. Nc4 Nxc4 19. Qxc4 Rdc8 20. Qb5 cxd4 21. cxd4 Rc2 22. Rdc1 Rac8 23. Rxc2 Qxc2 24. h3 Qc6 25. Qa6 Qd7 26. Rb1 Rc3 27. Rb3 Rc2 28. Rb1 Rc3 29. Qe2 Qa4 30. Rd1 Rc2 31. Rd2 Rc1+ 32. Kh2 Bb4 33. Rb2 a6 34. Qg4 b5 35. Bf4 Kh7 36. Be5 Bf8 37. Qe4+ Kg8 38. Qa8 Qa3 39. Rb3 Qxa2 40. Rxb5 Qxf2 41. Rb8 Qg1+ 42. Kg3 Qxe3+ 43. Qf3 Qg5+ 44. Kh2 Qe7 45. Qg3 Qg5 46. Qxg5 hxg5 47. Bd6 f6 48. Bxf8 Rc4 49. Bc5+ Kf7 50. Ra8 1/2-1/2

[Event "Kalakukko op"]
[Site "Kuopio"]
[Date "1992.??.??"]
[Round "3"]
[White "Kopperi, Arto"]
[Black "Linqvist, Grels"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "76"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 Ne4 6. Bd2 e6 7. Nxe4 dxe4 8. e3 Bd7 9. Bc4 Qg5 10. g3 Bd6 11. h4 Qe7 12. Ne2 0-0 13. Nc3 a6 14. Qb3 b5 15. Bf1 Bc6 16. Bg2 Qb7 17. Qc2 f5 18. Rc1 Nd7 19. 0-0 Rac8 20. Qd1 b4 21. Ne2 Nf6 22. Nf4 Bxf4 23. gxf4 Qe7 24. f3 exf3 25. Bxf3 Ne4 26. Be1 a5 27. Bxe4 Bxe4 28. Rxc8 Rxc8 29. Bg3 Rc6 30. Qa4 Qc7 31. Kh2 h6 32. Rg1 Kh7 33. a3 Bf3 34. Rf1 Be4 35. axb4 Rc2+ 36. Bf2 Qc4 37. Qa1 Qe2 38. Qe1 Qf3 0-1

[Event "Helsinki Club-ch"]
[Site "Helsinki"]
[Date "1992.??.??"]
[Round "?"]
[White "Kopperi, Arto"]
[Black "Stahle, Sten"]
[Result "1-0"]
[ECO "E85"]
[PlyCount "77"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 Re8 8. Nge2 e5 9. d5 Ne7 10. 0-0-0 a6 11. g4 b5 12. Ng3 b4 13. Na4 a5 14. Bd3 Nd7 15. h4 Nb6 16. Nxb6 cxb6 17. h5 Ba6 18. hxg6 fxg6 19. Qh2 Kf7 20. Kb1 Rh8 21. Qf2 Rb8 22. Bh6 Qd7 23. f4 exf4 24. Qxf4+ Kg8 25. Rdf1 Qe8 26. Bxg7 Kxg7 27. Qf6+ Kg8 28. Nf5 Nxf5 29. gxf5 Qe5 30. fxg6 Qxf6 31. Rxf6 Kg7 32. Rxd6 hxg6 33. Rg1 Rh6 34. e5 Bc8 35. Bxg6 Kf8 36. Rf1+ Kg8 37. Bf7+ Kg7 38. Rg1+ Kh7 39. Bg8+ 1-0

[Event "Kuopio op"]
[Site "Kuopio"]
[Date "1992.??.??"]
[Round "1"]
[White "Kopperi, Arto"]
[Black "Wegner, Hannu"]
[Result "0-1"]
[ECO "A57"]
[BlackElo "2365"]
[PlyCount "74"]
[EventDate "1992.07.??"]
[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 Nf6 2. c4 c5 3. d5 b5 4. Nf3 g6 5. e3 bxc4 6. Bxc4 d6 7. 0-0 Bg7 8. Nc3 0-0 9. e4 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 12. Bd2 Ne5 13. Qe2 Nxc4 14. Qxc4 Rb8 15. Rab1 Nd7 16. f4 Qb6 17. Rfe1 Qb4 18. Qe2 Rb7 19. Nd1 Qb5 20. Qxb5 Rxb5 21. Bc3 Rfb8 22. Bxg7 Kxg7 23. Kf2 c4 24. Re2 Nc5 25. Ke3 Rb4 26. Rc2 f5 27. exf5 gxf5 28. Nc3 Nd3 29. b3 Nc5 30. g4 cxb3 31. axb3 Rxb3 32. Rxb3 Rxb3 33. Kd4 Rb4+ 34. Ke3 Rc4 35. Rc1 fxg4 36. hxg4 Ne4 37. Ra1 Nxc3 0-1

[Event "Kalakukko op"]
[Site "Kuopio"]
[Date "1992.??.??"]
[Round "2"]
[White "Lahti, Jouko"]
[Black "Kopperi, Arto"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "72"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 c4 7. Be2 h6 8. 0-0 b5 9. Nbd2 a5 10. Re1 Nge7 11. g3 Ng6 12. Bf1 Be7 13. Bg2 0-0 14. Nf1 Qb6 15. Ne3 b4 16. axb4 axb4 17. Rxa8 Rxa8 18. h4 bxc3 19. bxc3 Ra1 20. Qe2 Ba3 21. Bd2 Rxe1+ 22. Qxe1 Na5 23. h5 Ne7 24. Ng4 Nf5 25. Ngh2 Qb2 26. g4 Ne7 27. g5 hxg5 28. Nxg5 Nb3 29. Bf4 Nc1 30. Bf1 Ba4 31. Ng4 Nf5 32. Ne3 Bc2 33. Nxc2 Qxc2 34. Bh3 Ne2+ 35. Kh2 Nxf4 36. Bxf5 Qxf5 0-1

[Event "Kalakukko op"]
[Site "Kuopio"]
[Date "1992.??.??"]
[Round "4"]
[White "Linna, Asko"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "53"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 Nf6 4. Bxf6 exf6 5. e4 Nc6 6. Qh5+ Ke7 7. Nc3 Nb4 8. 0-0-0 Qe8 9. Qxf5 d6 10. Qf4 g5 11. Qe3 Qf7 12. Kb1 Kd8 13. a3 Nc6 14. e5 f5 15. exd6 Bxd6 16. g3 f4 17. Qd3 Bf5 18. Qc4 Qg6 19. Bd3 a6 20. Nf3 Bxd3 21. Qxd3 Qxd3 22. Rxd3 fxg3 23. fxg3 Rf8 24. Ne5 Ne7 25. Ne4 Rf5 26. Nc4 Kd7 27. Nexd6 1-0

[Event "Helsinki Club-ch"]
[Site "Helsinki"]
[Date "1992.??.??"]
[Round "?"]
[White "Ornstein, Axel"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2440"]
[PlyCount "95"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 e6 2. c4 f5 3. g3 c6 4. Bg2 Nf6 5. 0-0 d5 6. b3 Be7 7. Bb2 0-0 8. e3 Ne4 9. Qc2 Nd7 10. d3 Nd6 11. Nc3 Nf6 12. Ne2 Nf7 13. Bc3 Bd7 14. Qb2 b5 15. cxb5 cxb5 16. b4 Qb6 17. a3 Rfc8 18. Bd4 Qb7 19. Rfc1 a6 20. Bc5 Bxc5 21. bxc5 Bc6 22. Ne5 Nxe5 23. Qxe5 Qe7 24. Nd4 Kf7 25. Nb3 Nd7 26. Qc3 Qf6 27. d4 Qd8 28. Na5 Nf6 29. Qb4 Qc7 30. Nxc6 Qxc6 31. a4 Rcb8 32. axb5 axb5 33. Bf1 Rxa1 34. Rxa1 Ra8 35. Rb1 Ne4 36. Bxb5 Qc7 37. Bd3 Nf6 38. h3 h5 39. Kg2 g5 40. Qb6 Rc8 41. Ba6 Qxb6 42. cxb6 Rb8 43. b7 Ke7 44. Rc1 Nd7 45. g4 hxg4 46. hxg4 fxg4 47. Rc8 Kd6 48. Kg3 1-0

[Event "Kuopio op2"]
[Site "Kuopio"]
[Date "1990.??.??"]
[Round "?"]
[White "Kopperi, Arto"]
[Black "Laukkanen, Harri"]
[Result "1-0"]
[ECO "E91"]
[PlyCount "83"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Nf3 Bg4 6. Be2 Nbd7 7. 0-0 0-0 8. Re1 a6 9. Be3 c5 10. dxc5 Nxc5 11. Bxc5 dxc5 12. h3 Bxf3 13. Bxf3 e6 14. Qb3 Qc7 15. Rad1 Nd7 16. g3 Bd4 17. Ne2 e5 18. Kg2 Nb8 19. h4 Nc6 20. h5 Rad8 21. Rh1 Rd6 22. Qc2 g5 23. Bg4 h6 24. Bf5 Nb4 25. Qb1 b5 26. a3 Nc6 27. Qc1 Na5 28. cxb5 axb5 29. Nc3 Rb8 30. Nd5 Qa7 31. f4 f6 32. fxg5 fxg5 33. Rdf1 Kg7 34. Bg6 Rb7 35. Rf3 Nc4 36. Rhf1 Rdd7 37. Be8 Bxb2 38. Bxd7 Rxd7 39. Qe1 Bd4 40. Kh3 Nxa3 41. Rf6 Nc4 42. Rg6+ 1-0

[Event "Kuopio op2"]
[Site "Kuopio"]
[Date "1990.??.??"]
[Round "?"]
[White "Kopperi, Arto"]
[Black "Lustig, Aleksander"]
[Result "0-1"]
[ECO "D08"]
[PlyCount "90"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 a5 6. Nbd2 a4 7. g3 Nge7 8. Bg2 Ng6 9. Ne4 Ngxe5 10. Nxe5 Nxe5 11. c5 Be7 12. 0-0 0-0 13. Bf4 Ng6 14. b4 axb3 15. Qxb3 Nxf4 16. gxf4 Kh8 17. Rfd1 f5 18. Ng5 Bxg5 19. fxg5 Qxg5 20. Rxd4 Ra6 21. Qg3 Qxg3 22. hxg3 c6 23. a4 Be6 24. e4 g6 25. exf5 Rxf5 26. Bh3 Re5 27. Bxe6 Rxe6 28. Rd7 Ra7 29. Rb1 Re5 30. Rbxb7 Rxb7 31. Rxb7 Rxc5 32. Kg2 Ra5 33. Rb4 Kg7 34. Kf3 Kf6 35. Ke4 Ke6 36. f4 h6 37. g4 h5 38. f5+ gxf5+ 39. gxf5+ Rxf5 40. Rb6 Rc5 41. a5 Kd6 42. a6 Ra5 43. Kd4 h4 44. Rb8 Rxa6 45. Rd8+ Kc7 0-1

[Event "Kuopio op2"]
[Site "Kuopio"]
[Date "1990.??.??"]
[Round "?"]
[White "Peltonen, Bengt"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "A90"]
[PlyCount "95"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 c6 4. Bg2 Nf6 5. Nc3 d5 6. cxd5 exd5 7. Nf3 Bd6 8. 0-0 0-0 9. e3 Ne4 10. Ne1 Nd7 11. Ne2 Re8 12. f3 Nef6 13. Nd3 b6 14. Qc2 Ba6 15. Re1 Rc8 16. Nf2 g6 17. Bd2 c5 18. Qd1 Bxe2 19. Rxe2 c4 20. Qa4 Qc7 21. Rae1 b5 22. Qxb5 Rb8 23. Qa4 Rxb2 24. Bc3 Rxe2 25. Rxe2 Rb8 26. Qc2 Qb6 27. Re1 Qb5 28. Rd1 Bc7 29. Re1 Ba5 30. Rc1 Bxc3 31. Qxc3 Qb2 32. Qc2 Qa3 33. Nd1 a5 34. e4 fxe4 35. fxe4 Qe7 36. e5 Nh5 37. Qd2 Nb6 38. Qxa5 Qg5 39. Rb1 Qg4 40. Bxd5+ Kg7 41. Qa7+ Kh6 42. Qxb8 Qxd4+ 43. Nf2 Nxd5 44. Qf8+ Ng7 45. Rd1 Qe3 46. Rxd5 c3 47. Qf4+ Qxf4 48. gxf4 1-0

[Event "Kuopio op2"]
[Site "Kuopio"]
[Date "1990.??.??"]
[Round "?"]
[White "Purmonen, Jorma"]
[Black "Kopperi, Arto"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "25"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "FIN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 d5 3. Nf3 Nc6 4. e3 Nf6 5. exf6 gxf6 6. Nc3 Be6 7. Bd3 Rg8 8. 0-0 Bh3 9. Nh4 f5 10. Qf3 Qxh4 11. Qxh3 Qxh3 12. f3 Ne5 13. f4 1-0

