[Event "SCO-SWE email"]
[Site "ICCF email"]
[Date "2006.03.01"]
[Round "?.8"]
[White "Diderholm, Erik"]
[Black "Norris, Albert C"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2448"]
[BlackElo "2010"]
[PlyCount "62"]
[EventDate "2006.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "SCO"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "SCO"]

1. e4 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 d5 5. Bd3 Bg4 6. e5 Nd7 7. h3 Bxf3 8. Qxf3 e6 9. Be3 Nb4 10. 0-0-0 Nxd3+ 11. Rxd3 c5 12. Rdd1 cxd4 13. Bxd4 Bb4 14. Qg4 0-0 15. f4 Rc8 16. f5 Bxc3 17. f6 Bxb2+ 18. Kxb2 g6 19. Qg5 Kh8 20. Rhf1 Qa5 21. Rf4 Qa4 22. Bc3 Qc6 23. Rd3 Rg8 24. Rh4 Qb6+ 25. Kc1 Qg1+ 26. Kb2 Qb6+ 27. Kc1 Nf8 28. Qd2 Qa6 29. Bb4 g5 30. Rg4 Nd7 31. Rdg3 Nxe5 0-1

[Event "SCO-SWE email"]
[Site "ICCF email"]
[Date "2006.03.01"]
[Round "?.8"]
[White "Norris, Albert C"]
[Black "Diderholm, Erik"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2010"]
[BlackElo "2448"]
[PlyCount "64"]
[EventDate "2006.??.??"]
[EventType "team-match (corr)"]
[EventRounds "2"]
[EventCountry "SCO"]
[SourceTitle "Corr 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.12"]
[SourceQuality "1"]
[WhiteTeam "Scotland"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "SCO"]
[BlackTeamCountry "SWE"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d3 e5 5. Na3 Nf6 6. c4 d4 7. Qa4 Bd7 8. Bg5 Be7 9. Nd2 0-0 10. 0-0 a6 11. Bxf6 Bxf6 12. Qb3 Rb8 13. e3 b5 14. Qc2 Nb4 15. Qd1 Nxd3 16. Qb1 Nb4 17. Be4 g6 18. Nc2 Nc6 19. Qd1 Bg7 20. Qf3 Qb6 21. Rfe1 f5 22. Bd5+ Kh8 23. exd4 cxd4 24. Qa3 b4 25. Qf3 e4 26. Qf4 d3 27. Ne3 Bxb2 28. Rab1 Be5 29. Qh6 Bg7 30. Qg5 Bc3 31. Nd1 Qd4 32. Nb3 Qg7 0-1

[Event "ICCF-Cup6/7 sf19 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Diderholm, Erik"]
[Black "Gander, Ralf"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "70"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 c6 7. a4 a5 8. Be2 Qc7 9. 0-0 e5 10. dxe5 dxe5 11. Bc4 Na6 12. Qe2 Nd7 13. Rad1 Ndc5 14. Qd2 Be6 15. Qe2 Rad8 16. Bxe6 Nxe6 17. Qc4 Nb4 18. Ne2 Rxd1 19. Rxd1 Rd8 20. Rd2 Bf8 21. c3 Rxd2 22. Bxd2 Na6 23. Be3 Bc5 24. Bh6 Qd6 25. g3 Nac7 26. Nc1 b5 27. axb5 cxb5 28. Qe2 f6 29. Nd3 Bb6 30. Nh2 Nc5 31. Nxc5 Bxc5 32. Ng4 Kf7 33. Kg2 Qe6 34. Qd3 Qd6 35. Qd2 Qe6 1/2-1/2

[Event "ICCF-Cup6/7 sf19 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Diderholm, Erik"]
[Black "Vetter, Gerhard"]
[Result "1/2-1/2"]
[ECO "D89"]
[PlyCount "108"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[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 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Na5 12. Bd3 Bg4 13. f3 Be6 14. Qa4 a6 15. Rfd1 b5 16. Qb4 Rc8 17. Bf2 Nc6 18. Qb2 Qa5 19. Nf4 Bc4 20. Bxc4 bxc4 21. Rac1 e5 22. Nd5 Rb8 23. Qe2 Nxd4 24. Qxc4 Rb2 25. Bxd4 exd4 26. a4 h6 27. f4 Kh7 28. e5 Rd2 29. Kh1 Rb8 30. Ne7 Rxd1+ 31. Rxd1 Qd2 32. Qc1 Qxc1 33. Rxc1 Rb4 34. g3 Rxa4 35. Rc7 d3 36. Rd7 g5 37. Nf5 gxf4 38. Nxg7 Kxg7 39. Rxd3 a5 40. Kg2 Ra2+ 41. Kh3 fxg3 42. Rxg3+ Kf8 43. Kg4 Rb2 44. Rc3 Ke7 45. Rc6 Rxh2 46. Ra6 Ra2 47. Kf5 a4 48. Ra7+ Kf8 49. Ra8+ Kg7 50. Ra7 a3 51. e6 Rf2+ 52. Kg4 Rf1 53. exf7 Ra1 54. Kh3 h5 1/2-1/2

[Event "ICCF-Cup6/7 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Hawkes, John E"]
[Black "Diderholm, Erik"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "59"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 Bb7 5. a4 bxc4 6. Nc3 e6 7. e4 Qa5 8. Bd2 Qc7 9. Bxc4 Nxe4 10. Nb5 Qd8 11. Bf4 Qa5+ 12. Kf1 Na6 13. Ne5 Qd8 14. Qd3 Nf6 15. dxe6 fxe6 16. Ng6 Be4 17. Qd6 hxg6 18. Qxa6 Kf7 19. Nc7 g5 20. Bg3 Nd5 21. Bxd5 Bxd5 22. Nxd5 exd5 23. Qd3 d4 24. Qf5+ Kg8 25. Qd5+ Kh7 26. h4 g4 27. Re1 Rc8 28. Re5 Rc6 29. Bf4 Rg8 30. Qf7 1-0

[Event "ICCF-Cup6/7 sf19 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Kolbe, Ekkehard"]
[Black "Diderholm, Erik"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "114"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 Bg7 5. Be3 0-0 6. Qd2 e5 7. d5 Ne8 8. g4 f5 9. h3 Nd7 10. 0-0-0 Ndf6 11. Bd3 Kh8 12. exf5 gxf5 13. gxf5 Nh5 14. f6 Nexf6 15. Nge2 c6 16. dxc6 bxc6 17. f4 Be6 18. fxe5 dxe5 19. Bh6 Rf7 20. b3 a5 21. Bxg7+ Rxg7 22. Qe3 Qc7 23. Rhg1 Nd5 24. Qh6 Nhf4 25. Nxf4 Nxf4 26. Rxg7 Qxg7 27. Qxg7+ Kxg7 28. Rg1+ Kf7 29. Bxh7 Rh8 30. Bd3 Nxd3+ 31. cxd3 Rxh3 32. Rd1 Bf5 33. Kc2 Ke6 34. Rd2 Kd6 35. Ne2 Kd5 36. Nc1 Kd4 37. Ne2+ Ke3 38. Nc1 Bg4 39. Rg2 Bf3 40. Rg1 Kd4 41. Kb2 Rh2+ 42. Ka3 Kc3 43. Rf1 Bd5 44. Ka4 Rc2 45. Kxa5 Kd2 46. a4 Rxc1 47. Rxc1 Kxc1 48. Kb6 Kc2 49. a5 Kxd3 50. a6 e4 51. b4 e3 52. a7 e2 53. a8Q e1Q 54. Qf8 Qe3+ 55. Qc5 Qe8 56. b5 Qb8+ 57. Ka5 Qxb5+ 1/2-1/2

[Event "ICCF-Cup6/7 sf19 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Kulachikov, Vitaly Serafimovich"]
[Black "Diderholm, Erik"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "54"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[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. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Qd2 a5 10. a4 Nb4 11. Rd1 Be6 12. Na1 d5 13. exd5 Nfxd5 14. Nxd5 Qxd5 15. Qxd5 Nxd5 16. Bf2 Bb4+ 17. c3 Nxc3 18. bxc3 Bxc3+ 19. Ke2 Rfd8 20. Be1 Rxd1 21. Kxd1 Bxa1 22. Bb5 b6 23. Bf2 Bd4 24. Bxd4 exd4 25. Kd2 Rd8 26. Rc1 Rd6 27. Rc7 g5 0-1

[Event "SWE-chT fin"]
[Site "Sweden"]
[Date "1983.??.??"]
[Round "3"]
[White "Diderholm, Erik"]
[Black "Eskilsson, Bengt"]
[Result "1-0"]
[ECO "B16"]
[PlyCount "129"]
[EventDate "1983.??.??"]
[EventType "team"]
[EventRounds "3"]
[EventCountry "SWE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bf5 7. Bf4 e6 8. Bd3 Nd7 9. Bxf5 Qa5+ 10. Qd2 Qxf5 11. 0-0-0 Nb6 12. Bg3 Qb5 13. Qd3 Qa4 14. Qb3 Qxb3 15. axb3 0-0-0 16. c3 Rg8 17. Kc2 Bd6 18. Ra1 a6 19. Ra5 Nd5 20. c4 Ne7 21. Rh5 Rg7 22. Rh6 Ng8 23. Rh4 Be7 24. Rd1 f5 25. Rh3 Nf6 26. Ng1 Ng4 27. Ne2 Bg5 28. Rd3 c5 29. Rh5 cxd4 30. Nxd4 Be7 31. Ne2 Rdg8 32. Rh3 e5 33. f3 e4 34. fxe4 fxe4 35. Rd4 f5 36. Nf4 Bc5 37. Rd2 Bb4 38. Re2 Rd7 39. Rh5 Rf8 40. Nd5 Bd6 41. Nb6+ Kc7 42. Nxd7 Kxd7 43. Rxh7+ Kc6 44. Bxd6 Kxd6 45. h3 Ne5 46. Rxb7 Kc5 47. Kc3 Rg8 48. b4+ Kc6 49. Kd4 Nd3 50. Rf7 Nf4 51. Rf2 Rd8+ 52. Ke3 Nd3 53. b5+ axb5 54. cxb5+ Kxb5 55. R2xf5+ Kc4 56. Rc7+ Kb3 57. Rb7+ Kc4 58. b3+ Kc3 59. Kxe4 Re8+ 60. Kf3 Ne1+ 61. Kf2 Nd3+ 62. Kg1 Ne1 63. Rf1 Nd3 64. Rf3 Rd8 65. Rxd3+ 1-0

[Event "SWE-chT fin"]
[Site "Sweden"]
[Date "1983.??.??"]
[Round "2"]
[White "Diderholm, Erik"]
[Black "Quick, Peter"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "150"]
[EventDate "1983.??.??"]
[EventType "team"]
[EventRounds "3"]
[EventCountry "SWE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 Nc6 8. Nb3 0-0 9. Bg5 a6 10. f4 b5 11. Bf3 Be6 12. e5 Qb6+ 13. Kh1 dxe5 14. Bxc6 Qxc6 15. fxe5 Nd5 16. Nd4 Nxc3 17. Nxc6 Nxd1 18. Raxd1 Rfe8 19. Nxe7+ Kf8 20. Nc6 Bf5 21. Rd5 Rac8 22. Rd6 Bxe5 23. Nxe5 Rxe5 24. Rxa6 Re2 25. Ra7 Rexc2 26. h4 Be6 27. Bh6+ Kg8 28. Rd1 Rxb2 29. Rc7 Re8 30. Re7 Ra8 31. Rc7 Re8 32. Re7 Ra8 33. Ra7 Rxa2 34. Rxa2 Bxa2 35. Kh2 Be6 36. Rd2 b4 37. Rb2 b3 38. Be3 Kf8 39. Bc5+ Ke8 40. Kg1 Ra4 41. g3 Kd7 42. Kf2 Kc6 43. Bf8 Ra1 44. Bg7 Rc1 45. Ke3 Kc5 46. Rd2 Rc2 47. Rd8 Kc6 48. Rb8 Rc5 49. Bb2 Rb5 50. Rxb5 Kxb5 51. Kd4 Kc6 52. Bc3 Kd7 53. Ke5 Bf5 54. Kd5 Be6+ 55. Ke5 h6 56. Bb2 Bf5 57. Kd5 Bc2 58. Bc3 Ke7 59. Bb2 f6 60. Bc3 Kf7 61. Bb2 g5 62. Kd4 Kg6 63. Ke3 Kf5 64. Kf2 Kg6 65. Bc3 f5 66. hxg5 hxg5 67. Bb2 Kh5 68. Bc3 Kg4 69. Bb2 f4 70. gxf4 Kxf4 71. Bc1+ Ke4 72. Ke2 g4 73. Bb2 g3 74. Bc1 Bd3+ 75. Ke1 Kf3 0-1

[Event "SWE-chT fin"]
[Site "Sweden"]
[Date "1983.??.??"]
[Round "1"]
[White "Diderholm, Erik"]
[Black "Unander, Matts"]
[Result "1-0"]
[ECO "B88"]
[PlyCount "81"]
[EventDate "1983.??.??"]
[EventType "team"]
[EventRounds "3"]
[EventCountry "SWE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Bb3 Na5 9. Rg1 b5 10. Qe2 Qc7 11. 0-0-0 Be7 12. f3 b4 13. Na4 Nd7 14. Kb1 Nc5 15. Nxc5 dxc5 16. Ba4+ Kf8 17. Nb3 Nb7 18. Nd2 Na5 19. Nc4 Nc6 20. Rge1 f6 21. Bxc5 Kf7 22. Nd6+ Bxd6 23. Rxd6 Ne5 24. Qf2 Rb8 25. Red1 Qa5 26. Bb3 g5 27. g3 Rb5 28. Bb6 Rxb6 29. Qxb6 Qxb6 30. Rxb6 Nxf3 31. h3 Re8 32. Rb8 Ne5 33. Ba4 Bd7 34. Rxe8 Bxe8 35. Bxe8+ Kxe8 36. Rd6 Nc4 37. Rxa6 Kf7 38. Kc1 Ne3 39. Rd6 Nf1 40. Rd3 f5 41. exf5 1-0

[Event "Rilton Cup-08 1978/79"]
[Site "Stockholm"]
[Date "1979.01.03"]
[Round "8"]
[White "Hammar, Bengt Erik"]
[Black "Diderholm, Erik"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2385"]
[PlyCount "59"]
[EventDate "1978.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. e5 dxe5 8. fxe5 Nh5 9. Bc4 Bg4 10. Be3 Kh8 11. 0-0 f6 12. exf6 Bxf6 13. Qd2 e5 14. d5 Bxf3 15. Rxf3 Nd4 16. Rf2 Bg7 17. Rxf8+ Qxf8 18. Bd3 Qb4 19. Rf1 Rf8 20. Rxf8+ Qxf8 21. Ne4 Qd8 22. d6 cxd6 23. Ng5 Qd7 24. c3 Nf5 25. Bxf5 Qxf5 26. Qxd6 Nf4 27. Qb8+ Bf8 28. Qxe5+ Qxe5 29. Nf7+ Kg7 30. Nxe5 1-0

[Event "Rilton Cup-08 1978/79"]
[Site "Stockholm"]
[Date "1979.01.02"]
[Round "7"]
[White "Diderholm, Erik"]
[Black "Angantysson, Haukur"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "2400"]
[PlyCount "50"]
[EventDate "1978.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 Nf6 7. Bd3 d6 8. 0-0 Nbd7 9. f4 Nc5 10. Qf3 b5 11. e5 Bb7 12. Bxb5+ axb5 13. Ndxb5 Qd7 14. Qe2 Nfe4 15. Nxe4 Nxe4 16. f5 exf5 17. exd6 Bxd6 18. Rfd1 Ba6 19. Nxd6+ Qxd6 20. c4 Qe6 21. Rdc1 0-0 22. b4 Nd6 23. b5 Nxc4 24. Qxc4 Qxe3+ 25. Kh1 Rac8 0-1

[Event "Rilton Cup-08 1978/79"]
[Site "Stockholm"]
[Date "1979.01.01"]
[Round "6"]
[White "Diderholm, Erik"]
[Black "Wedberg, Tom"]
[Result "0-1"]
[ECO "B29"]
[BlackElo "2425"]
[PlyCount "36"]
[EventDate "1978.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 Nf6 3. Nc3 Nc6 4. d4 d5 5. exd5 Nxd5 6. Nxd5 Qxd5 7. Be3 cxd4 8. Nxd4 Bd7 9. Nb5 Qe5 10. Qd5 Qxd5 11. Nc7+ Kd8 12. Nxd5 e6 13. Bg5+ Kc8 14. Ne3 h6 15. Bh4 g5 16. Bg3 f5 17. f4 gxf4 18. Bxf4 e5 0-1

[Event "Nordic-ch"]
[Site "Sundsvall"]
[Date "1979.??.??"]
[Round "2"]
[White "Diderholm, Erik"]
[Black "Unander, Matts"]
[Result "0-1"]
[ECO "B60"]
[PlyCount "94"]
[EventDate "1979.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bg5 Bd7 7. Bc4 Qa5 8. Bxf6 gxf6 9. Nb3 Qg5 10. g3 h5 11. f4 Qg6 12. Qd2 h4 13. 0-0-0 0-0-0 14. Qf2 Kb8 15. Rhg1 hxg3 16. Rxg3 Qh7 17. h3 Bh6 18. Kb1 Rhg8 19. Rdg1 f5 20. exf5 Rxg3 21. Rxg3 Qxf5 22. Ne2 Rc8 23. Bd3 Qf6 24. Qg1 Nb4 25. Be4 Bf5 26. Bxf5 Qxf5 27. Nbd4 Qe4 28. Re3 Qh7 29. Rc3 Rxc3 30. bxc3 Nd5 31. Nb5 Nb6 32. a4 Qg6 33. Qe3 Qe6 34. Qd4 Qxe2 35. Qh8+ Nc8 36. Qxh6 Qc4 37. Qg5 Qf1+ 38. Kb2 Qxh3 39. f5 Qf3 40. Qh4 Qxf5 41. Qc4 Qc5 42. Qxf7 e5 43. Qe8 a6 44. Na3 Qc6 45. Qxc6 bxc6 46. c4 Nb6 47. a5 Nd7 0-1

[Event "Nordic-ch"]
[Site "Sundsvall"]
[Date "1979.??.??"]
[Round "8"]
[White "Nykopp, Jan Michael F"]
[Black "Diderholm, Erik"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2310"]
[PlyCount "57"]
[EventDate "1979.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 Qc7 8. h3 e5 9. dxe5 dxe5 10. Bc4 Nbd7 11. Be3 Nh5 12. a5 Nf4 13. Ne2 Nf6 14. Nxf4 exf4 15. Bc5 Rd8 16. Qe2 Re8 17. e5 Nd5 18. Bd6 Qd8 19. Qd2 Be6 20. Bxd5 Bxd5 21. Qxf4 f6 22. Rfd1 fxe5 23. Bxe5 Rf8 24. Qg3 Bxe5 25. Nxe5 Qc7 26. c4 Be6 27. Re1 Rad8 28. Qe3 Rf5 29. Ng4 1-0

[Event "Rilton Cup-08 1978/79"]
[Site "Stockholm"]
[Date "1978.12.31"]
[Round "5"]
[White "Martin Gonzalez, Angel"]
[Black "Diderholm, Erik"]
[Result "0-1"]
[ECO "B85"]
[PlyCount "72"]
[EventDate "1978.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. 0-0 Nc6 8. Be3 0-0 9. f4 a6 10. Qe1 Qc7 11. Qg3 Kh8 12. Rae1 Bd7 13. Bd3 Nb4 14. e5 dxe5 15. fxe5 Nh5 16. Qf3 Nxd3 17. cxd3 Qxe5 18. Qxb7 Nf6 19. Kh1 Qb8 20. Qxb8 Raxb8 21. Re2 Ng4 22. Bf4 e5 23. Bxe5 Nxe5 24. Rxe5 Bf6 25. Rd5 Be6 26. Rxf6 gxf6 27. Nxe6 fxe6 28. Rd6 Rxb2 29. h4 Rg8 30. Rxe6 Rgxg2 31. Re1 Rh2+ 32. Kg1 Rbg2+ 33. Kf1 Rc2 34. Re8+ Kg7 35. Ne2 Rxa2 36. Ke1 Raxe2+ 0-1

[Event "Rilton Cup-08 1978/79"]
[Site "Stockholm"]
[Date "1978.12.30"]
[Round "4"]
[White "Diderholm, Erik"]
[Black "Sirkia, Mauri O"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "61"]
[EventDate "1978.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 d6 5. g3 0-0 6. Bg2 e5 7. d3 a5 8. b5 Nbd7 9. 0-0 c5 10. bxc6 bxc6 11. Nc3 Rb8 12. Ba3 Qc7 13. Qc2 Ba6 14. Rac1 Bh6 15. Rb1 Rfc8 16. Rxb8 Rxb8 17. Rb1 Re8 18. Qa4 Nf8 19. Nh4 Rc8 20. Qb3 N8d7 21. Qa4 Bf8 22. h3 Be7 23. Nf3 Nf8 24. Nd2 Ne6 25. Nb3 Bd8 26. Bc1 Nd7 27. Qa3 f5 28. Bd2 Rb8 29. Nxa5 Ra8 30. Bxc6 Ra7 31. Nd5 1-0

[Event "Rilton Cup-08 1978/79"]
[Site "Stockholm"]
[Date "1978.12.29"]
[Round "3"]
[White "Happel, Henk"]
[Black "Diderholm, Erik"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2380"]
[PlyCount "66"]
[EventDate "1978.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. Nf3 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. g3 Ne7 7. Qd2 d5 8. cxd5 Nxd5 9. Bg2 Nb4 10. Ndb5 a6 11. Na3 0-0 12. Qxd8 Rxd8 13. 0-0 N8c6 14. Bg5 Re8 15. Nc4 Nd4 16. a3 Nbc2 17. Rad1 Bg4 18. Bxb7 Rab8 19. f3 Bh3 20. Bxa6 Nxe2+ 21. Nxe2 Rxe2 22. Rf2 Bd4 23. Ne3 Nxe3 24. Bxe3 Bxe3 25. Bxe2 Rxb2 26. Re1 Bb6 27. a4 Kg7 28. a5 Ba7 29. a6 h6 30. f4 Kh8 31. g4 Kg7 32. f5 gxf5 33. gxf5 Kf6 0-1

[Event "Rilton Cup-08 1978/79"]
[Site "Stockholm"]
[Date "1978.12.27"]
[Round "1"]
[White "Iskov, Gert"]
[Black "Diderholm, Erik"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2395"]
[PlyCount "63"]
[EventDate "1978.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. f4 Be7 7. Be3 0-0 8. Qf3 Nc6 9. 0-0-0 Qa5 10. Be2 Nxd4 11. Bxd4 e5 12. Be3 Bg4 13. Qf2 Be6 14. a3 b5 15. f5 b4 16. axb4 Qa1+ 17. Kd2 Qxb2 18. fxe6 Rac8 19. Bd3 Qxc3+ 20. Ke2 fxe6 21. Qg3 d5 22. Qh3 dxe4 23. Qxe6+ Rf7 24. Bb5 Bxb4 25. Ba4 Ng4 26. Bd2 Qc5 27. Rhf1 Rcf8 28. Bb3 Bxd2 29. Rxd2 Nf6 30. Qxf7+ Rxf7 31. Rd8+ Qf8 32. Bxf7+ 1-0

