[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1992.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Dopper, Johan C"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "32"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 0-0 5. e3 d5 6. cxd5 Nxd5 7. Nf3 Nc6 8. Bb2 Re8 9. Be2 Bg4 10. 0-0 Qe7 11. d4 Rad8 12. a3 Ba5 13. Nbd2 Nxe3 14. Qa4 Bxd2 15. Nxd2 Bxe2 16. Rfe1 Nxg2 0-1

[Event "NED-Cup sf M14 corr"]
[Site "Netherlands"]
[Date "1991.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Pauw, Sander A"]
[Result "0-1"]
[ECO "D44"]
[PlyCount "82"]
[EventDate "1991.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. Nf3 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 0-0-0 14. 0-0 Bh6 15. Be3 Nxf6 16. Qf3 Bxe3 17. fxe3 Rh6 18. Rad1 Rdh8 19. h3 R8h7 20. Rd2 a6 21. g4 Ne8 22. Rdf2 Nd6 23. Qg3 Qd8 24. Qe5 f5 25. Qc5 Kb8 26. e4 Bc8 27. Qe5 Ka7 28. a4 Nf7 29. Qc5+ Kb8 30. axb5 Ng5 31. Qe5+ Ka7 32. bxa6 Nxh3+ 33. Bxh3 Rxh3 34. Qc5+ Kb8 35. Qe5+ Ka8 36. Rf3 Rh1+ 37. Kf2 Qh4+ 38. Rg3 f4 39. Qxf4 Qh2+ 40. Ke1 Qxb2 41. Nd1 Qxd4 0-1

[Event "NED-Cup sf M14 corr"]
[Site "Netherlands"]
[Date "1991.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Van Meggelen, Abram"]
[Result "1-0"]
[ECO "A21"]
[PlyCount "33"]
[EventDate "1991.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. d4 exd4 4. Qxd4 Nc6 5. Qd2 Nf6 6. b3 g6 7. Bb2 Bg7 8. g3 0-0 9. Bg2 a6 10. Nh3 Bxh3 11. Bxh3 Re8 12. 0-0 Qe7 13. Rae1 Rad8 14. e4 Ne5 15. Bg2 c5 16. f4 Nc6 17. Nd5 1-0

[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1991.??.??"]
[Round "?"]
[White "De Boer, Pieter"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "53"]
[EventDate "1991.??.??"]
[EventType "swiss (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. c3 Nbd7 5. f4 g6 6. Nd2 Bg7 7. Ngf3 0-0 8. 0-0 Qc7 9. Ne5 Re8 10. Qf3 a6 11. g4 e6 12. Rf2 Nf8 13. Qg2 c4 14. Bc2 b5 15. g5 N6d7 16. Ndf3 Bb7 17. Bd2 Bc6 18. h4 Reb8 19. h5 a5 20. hxg6 fxg6 21. Qh3 Nxe5 22. fxe5 Be8 23. Nh2 Qe7 24. e4 Ra7 25. Ng4 Nd7 26. exd5 Bf7 27. Raf1 1-0

[Event "NED-ch H corr"]
[Site "Netherlands"]
[Date "1991.??.??"]
[Round "?"]
[White "Punt, Rene"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "C82"]
[PlyCount "59"]
[EventDate "1991.??.??"]
[EventType "swiss (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4 11. Re1 Be7 12. Nbd2 d4 13. h3 Bh5 14. Nb3 d3 15. Bb1 Nxb3 16. axb3 Bg6 17. Be3 0-0 18. Bd4 Nxd4 19. cxd4 Bb4 20. Re3 c5 21. Bxd3 cxd4 22. Re2 Bxd3 23. Qxd3 Bc5 24. Re4 Qb6 25. Rg4 Rad8 26. Re1 Rfe8 27. Ng5 g6 28. Rf4 f5 29. b4 Bf8 30. Qb3+ 1-0

[Event "ICCF-Cup8/9 V021 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Aring, Gerd"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "61"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. dxc5 dxc5 8. Qxd8 Rxd8 9. Bxc5 Nc6 10. Nd5 e6 11. Ne7+ Nxe7 12. Bxe7 Rd7 13. Ba3 b6 14. Nh3 Ba6 15. Nf2 Rc8 16. Rc1 Bh6 17. Rc2 Rdc7 18. b3 Nd7 19. Ng4 Bg7 20. Bb2 b5 21. Bxg7 Kxg7 22. Ne3 f5 23. exf5 gxf5 24. Kd2 f4 25. Ng4 bxc4 26. Bxc4 h5 27. Nf2 Ne5 28. Rhc1 Nxc4+ 29. bxc4 Rxc4 30. Rxc4 Rxc4 31. Nd3 1-0

[Event "ICCF-Cup8/9 V021 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Harjunpaeae, Veikko"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "118"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. b4 a5 2. b5 Nf6 3. Bb2 d6 4. c4 e5 5. Nf3 Bg4 6. d3 Be7 7. Nbd2 0-0 8. Qc2 Nbd7 9. e3 Nc5 10. Be2 Re8 11. a4 Nfd7 12. 0-0 Bf6 13. Rfe1 Nb6 14. Kh1 Ne6 15. Ng1 Bxe2 16. Nxe2 Bh4 17. Ng3 Qf6 18. Rf1 Nd7 19. Nde4 Qg6 20. f4 exf4 21. exf4 f5 22. Nc3 Bxg3 23. hxg3 Qxg3 24. Ne2 Qh4+ 25. Kg1 Nf6 26. Bxf6 Qxf6 27. Qc3 Qxc3 28. Nxc3 c6 29. Rab1 Nc5 30. Rf3 Re7 31. bxc6 bxc6 32. Rb6 Rc8 33. d4 Ne4 34. Re3 Kf7 35. Nb1 c5 36. d5 Ree8 37. Reb3 h6 38. Rb7+ Kf6 39. Kh2 g5 40. g3 Nf2 41. Rb2 Ng4+ 42. Kh3 Ne3 43. Na3 gxf4 44. gxf4 Ng4 45. Nb5 Rcd8 46. Rb6 Re3+ 47. Kg2 Ke7 48. Na7 Ke8 49. Nc6 Rd7 50. Rb8+ Kf7 51. Ra8 Re4 52. Nd8+ Ke7 53. Ne6 Rxc4 54. Rbb8 Ne3+ 55. Kh2 Nxd5 56. Nd8 Rxa4 57. Nc6+ Kf6 58. Rf8+ Kg6 59. Rg8+ Kh5 0-1

[Event "ICCF-Cup8/9 V021 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Steiner, Peter Markus"]
[Result "0-1"]
[ECO "D97"]
[PlyCount "76"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[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. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 a6 8. Qb3 c5 9. dxc5 Nbd7 10. c6 bxc6 11. Be2 Qc7 12. 0-0 Rb8 13. Qc2 c5 14. Rb1 Bb7 15. b3 Nb6 16. Bb2 Rbc8 17. Rbd1 Rfd8 18. Nd2 Rd7 19. Nc4 Nxc4 20. Rxd7 Qxd7 21. Bxc4 Qc7 22. h3 Nd7 23. Nd5 Bxd5 24. Bxd5 Bd4 25. Bc4 a5 26. Rc1 Bxb2 27. Qxb2 Ne5 28. Be2 Rd8 29. Qc3 Rc8 30. a3 Nd7 31. Bb5 Nf6 32. f3 Qb6 33. a4 Nh5 34. Qe3 Ng7 35. Bc4 Rd8 36. Qg5 Qd6 37. Qd5 Ne6 38. Rd1 Qc7 0-1

[Event "ICCF-Cup8/9 V021 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Pros, Wladyslaw"]
[Black "Alderden, Dirk"]
[Result "0-1"]
[ECO "C80"]
[PlyCount "32"]
[EventDate "1990.11.01"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. a4 b4 10. a5 Nc5 11. Bg5 Be7 12. Bxe7 Nxe7 13. Nbd2 Nc6 14. Re1 0-0 15. Qe2 Qe7 16. Qe3 h6 0-1

[Event "EU-ch HGT212 corr"]
[Site "ICCF corr"]
[Date "1990.??.??"]
[Round "?"]
[White "Waldhauser, Guenter"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "76"]
[EventDate "1990.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. Be2 e5 10. 0-0 Bd6 11. c5 Be7 12. b4 Qc7 13. Bh4 e4 14. Bg3 Qd8 15. f3 exf3 16. Rxf3 Re8 17. Bd3 Nf8 18. h3 Ne6 19. a3 Bd7 20. Raf1 Nf8 21. e4 dxe4 22. Ndxe4 Nxe4 23. Nxe4 Be6 24. Nd6 Bxd6 25. Bxd6 Ng6 26. Kh2 Bd5 27. Rxf7 Bxf7 28. Rxf7 Kxf7 29. Bc4+ Re6 30. Qf5+ Qf6 31. Bxe6+ Ke8 32. Qe4 Ne7 33. d5 Kd8 34. dxc6 bxc6 35. b5 Rc8 36. b6 axb6 37. cxb6 Ke8 38. b7 Rd8 1-0

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1989.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Abels, Henk"]
[Result "1-0"]
[ECO "A57"]
[PlyCount "39"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 a6 3. Nc3 c5 4. d5 b5 5. cxb5 axb5 6. e4 b4 7. Nb5 d6 8. Bf4 Nbd7 9. Nf3 Nb6 10. Rc1 g5 11. Rxc5 Bg7 12. Nc7+ Kf8 13. Nxa8 Nxa8 14. Rc2 gxf4 15. Qc1 Bb7 16. Bd3 h5 17. 0-0 h4 18. h3 Bh6 19. Qd2 Qb6 20. Qe2 1-0

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1989.??.??"]
[Round "?"]
[White "Christophe"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "C58"]
[PlyCount "79"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d3 h6 7. Nf3 e4 8. dxe4 Nxc4 9. Qd4 Nd6 10. Nfd2 Be7 11. c4 b6 12. Nc3 0-0 13. 0-0 Re8 14. Kh1 Nb7 15. e5 Bc5 16. Qf4 Nh5 17. Qe4 Nd6 18. Qe1 Qh4 19. f4 Qxe1 20. Rxe1 Nb7 21. Nde4 Bb4 22. Be3 Bf5 23. Nf2 Nxf4 24. Bxf4 g5 25. Bd2 Nc5 26. Re3 Nd7 27. g4 Bg6 28. Rae1 Bc5 29. e6 fxe6 30. Rxe6 Rxe6 31. Rxe6 Kf7 32. Nfe4 Bd4 33. Ng3 Ne5 34. Nge2 Bxc3 35. Bxc3 Nd7 36. Rc6 Re8 37. Ng3 Re7 38. Rxc7 Nc5 39. d6 Rd7 40. b4 1-0

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1988.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "De Groot, Adrianus Dingeman"]
[Result "0-1"]
[ECO "E45"]
[PlyCount "54"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Be7 7. Nf4 d5 8. cxd5 Bxf1 9. Kxf1 exd5 10. Qf3 c6 11. g4 0-0 12. g5 Ne8 13. h4 Qd7 14. Bd2 Nd6 15. b3 Qf5 16. Qd1 f6 17. Rg1 fxg5 18. hxg5 Bxg5 19. Rxg5 Qxg5 20. Ne6 Qf5 21. Nxf8 Kxf8 22. f3 Nd7 23. Ke2 Re8 24. Rc1 Qf6 25. Kf2 Nf5 26. Qc2 Qh4+ 27. Kf1 Qh1+ 0-1

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1988.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Du Pree, Johan"]
[Result "0-1"]
[ECO "E41"]
[PlyCount "92"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. 0-0 e5 9. Ng5 0-0 10. f4 exd4 11. cxd4 cxd4 12. exd4 h6 13. Nf3 Bg4 14. Bb2 d5 15. c5 Ne4 16. Bxe4 dxe4 17. d5 exf3 18. gxf3 Bh3 19. dxc6 bxc6 20. Qxd8 Raxd8 21. Rfd1 Rfe8 22. Kf2 Be6 23. Be5 Bc4 24. a3 Rxd1 25. Rxd1 f6 26. Rd4 Bb5 27. Bc7 Re2+ 28. Kg3 Ra2 29. Rd8+ Kh7 30. Re8 Rxa3 31. Bd6 Kg6 32. Rg8 Be2 33. f5+ Kxf5 34. Rxg7 Rxf3+ 35. Kg2 a5 36. Ra7 Ra3 37. Kf2 Bc4 38. Bf8 h5 39. Rh7 Rh3 40. Kg2 Rh4 41. Bd6 Bd5+ 42. Kf2 Kg5 43. Ra7 Ra4 44. Bc7 Ra2+ 45. Ke3 a4 46. Kd3 a3 0-1

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1988.??.??"]
[Round "?"]
[White "Maliangkay, Rudolf J"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "D88"]
[PlyCount "81"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bxf7+ Rxf7 14. fxg4 Rxf1+ 15. Kxf1 Qd7 16. g5 Qe6 17. Qd3 Qc4 18. Qxc4+ Nxc4 19. Bf4 e6 20. Rb1 b6 21. e5 Rd8 22. a4 a6 23. Kf2 Bf8 24. Kf3 Be7 25. Ke4 Kf7 26. Nc3 Rd7 27. h4 Rd8 28. d5 exd5+ 29. Nxd5 Bc5 30. Rc1 b5 31. axb5 axb5 32. g4 Rd7 33. Rf1 Kg7 34. e6 Ra7 35. h5 gxh5 36. gxh5 Ra4 37. Be5+ Nxe5+ 38. Kxe5 Ra7 39. Rc1 Bf8 40. h6+ Kg6 41. Rg1 1-0

[Event "corr"]
[Site "corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Denaro, Pasquale"]
[Result "0-1"]
[ECO "C81"]
[PlyCount "50"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 0-0 11. c4 bxc4 12. Bxc4 Bc5 13. Be3 Bxe3 14. Qxe3 Qb8 15. Bb3 Na5 16. Ne1 Nxb3 17. axb3 f5 18. exf6 Rxf6 19. Nf3 Bg4 20. Rxd5 Bxf3 21. gxf3 c6 22. Rh5 Rg6+ 23. Kf1 Nf6 24. Rh4 Qb5+ 25. Rc4 Re8 0-1

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Gisolf, RC."]
[Result "0-1"]
[ECO "B00"]
[PlyCount "66"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 b6 2. d4 e6 3. Nc3 Bb7 4. Bd3 c5 5. Nf3 Nf6 6. 0-0 cxd4 7. Nxd4 Nc6 8. Nxc6 dxc6 9. a3 h5 10. Bg5 Qc7 11. Qf3 Bd6 12. g3 0-0-0 13. Ne2 Rdg8 14. Bf4 Ng4 15. Bxd6 Qxd6 16. Qf4 Qe7 17. Kg2 g5 18. Qd2 c5 19. f3 f5 20. Nc3 Ne5 21. Be2 g4 22. f4 fxe4 23. Qe3 Nf3 24. Nxe4 Nd4 25. Bd3 h4 26. Rh1 Nf5 27. Qe2 e5 28. Ba6 exf4 29. gxf4 Re8 30. Rhe1 Kb8 31. Bxb7 Qxb7 32. Kf1 g3 33. h3 Nd6 0-1

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Mostertman, Loek G"]
[Result "0-1"]
[ECO "C63"]
[PlyCount "32"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 Nd4 5. Ba4 c6 6. Nxe5 Qf6 7. Nd3 b5 8. Bb3 b4 9. e5 Qg6 10. Ne2 Qxg2 11. Ng3 Nf3+ 12. Ke2 Ba6 13. Qf1 Nd4+ 14. Ke1 Qf3 15. Qh3 g6 16. Rg1 f4 0-1

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Plomp, Michiel Pieter"]
[Result "0-1"]
[ECO "C81"]
[PlyCount "70"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 0-0 11. c4 bxc4 12. Bxc4 Bc5 13. Be3 Bxe3 14. Qxe3 Qb8 15. Bb3 Na5 16. Ne1 f5 17. exf6 Nxb3 18. axb3 Rxf6 19. f3 Nd6 20. Nc2 Nf5 21. Qc5 Qxb3 22. Nd2 Qb6 23. b4 Bf7 24. Nf1 Re8 25. Re1 Rxe1 26. Nxe1 Rc6 27. Qxb6 Rxb6 28. b5 Rxb5 29. Rxa6 Kf8 30. Rc6 Rb7 31. Nc2 Ke7 32. g4 Kd7 33. Rc3 Nd6 34. Nd4 Rb1 35. Nc6 Nc4 0-1

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Raijmaekers"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "35"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 a6 2. e4 g6 3. c4 d6 4. Nc3 Bg7 5. f4 Nc6 6. Be3 Nf6 7. h3 0-0 8. Nf3 Nh5 9. d5 Na5 10. Qc2 Ng3 11. Rg1 Nxf1 12. Rxf1 Nxc4 13. Bf2 c5 14. Nd4 Na5 15. Nc6 Rb8 16. Rb1 e6 17. Ke2 Bd7 18. Kd1 0-1

[Event "NED-ch H370 corr"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Simmelink, Joop Theo"]
[Result "0-1"]
[ECO "C88"]
[PlyCount "76"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. d3 d6 10. Bd2 b4 11. c3 bxc3 12. Nxc3 Nb4 13. Bc4 c5 14. Na2 Nc6 15. Ng5 Nd4 16. Nc3 Rb8 17. Nf3 Nd7 18. Nxd4 cxd4 19. Ne2 Bc8 20. Rb1 Bg5 21. b4 Bxd2 22. Qxd2 Nf6 23. b5 axb5 24. axb5 d5 25. exd5 Nxd5 26. Rb2 Rb6 27. Ra1 Bb7 28. Qa5 Kh8 29. Qa2 f5 30. Rb3 Qg5 31. Ng3 Nc3 32. Qa3 Rc8 33. Re1 h5 34. Rxe5 h4 35. Rxc3 hxg3 36. hxg3 dxc3 37. Qxc3 Rh6 38. Qe1 Qh5 0-1

[Event "corr"]
[Site "corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Thomsen, Keld"]
[Black "Alderden, Dirk"]
[Result "0-1"]
[ECO "C82"]
[PlyCount "110"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Bc5 10. Qd3 0-0 11. Be3 f6 12. exf6 Qxf6 13. Nbd2 Bxe3 14. Qxe3 Nxd2 15. Qxd2 Rad8 16. Nd4 Bf7 17. a4 Na5 18. axb5 Nxb3 19. Nxb3 axb5 20. Qd4 Bg6 21. Ra7 Qd6 22. Qc5 c6 23. Qxd6 Rxd6 24. Rfa1 Rdf6 25. f3 Be8 26. Re7 R6f7 27. Raa7 Rxe7 28. Rxe7 Bf7 29. Nd4 Rc8 30. Nf5 Bg6 31. Rxg7+ Kf8 32. Nd6 Rd8 33. Nb7 Ra8 34. Rc7 Ra1+ 35. Kf2 Ra2 36. Kg3 Rxb2 37. Nd8 Rc2 38. Ne6+ Ke8 39. Rxc6 b4 40. Ra6 bxc3 41. Nc7+ Kd7 42. Nxd5 Rc1 43. Nf4 Rb1 44. Nxg6 hxg6 45. Ra2 Ke6 46. Rc2 Rb3 47. Kf4 Kd5 48. h4 Kd4 49. g4 Rb5 50. Ra2 Kd3 51. h5 g5+ 52. Kg3 c2 53. Rxc2 Kxc2 54. Kf2 Kd3 55. f4 Ke4 0-1

[Event "NED-ch M corr"]
[Site "Netherlands"]
[Date "1987.??.??"]
[Round "?"]
[White "Van Kerkwijk, CJ."]
[Black "Alderden, Dirk"]
[Result "1/2-1/2"]
[ECO "D52"]
[PlyCount "71"]
[EventDate "1987.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. cxd5 Nxd5 8. Qd2 N7b6 9. Bd3 Nxc3 10. bxc3 Nd5 11. 0-0 Qxc3 12. Qe2 Bd6 13. Nd2 Qa5 14. Nc4 Qc7 15. Qh5 Be7 16. f4 Nf6 17. Qh4 Ng8 18. Rab1 Bf6 19. Bxf6 gxf6 20. Qg4 Kf8 21. Qh5 b5 22. Qc5+ Ne7 23. Rxb5 Ba6 24. Ra5 Bxc4 25. Bxc4 Kg7 26. Ra6 Rhc8 27. Rc1 Qd7 28. Be2 Rc7 29. Qh5 Qd5 30. Qg4+ Kh8 31. Qh4 Qf5 32. g4 Qg6 33. Qg3 Rac8 34. Ra5 f5 35. g5 Qg8 36. Kf2 1/2-1/2

[Event "NED-ch M163 corr"]
[Site "Netherlands"]
[Date "1986.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Raijmaekers, Kees"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "50"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 a6 2. e4 g6 3. c4 d6 4. Nc3 Bg7 5. f4 Nc6 6. Be3 Nf6 7. h3 0-0 8. Nf3 Nh5 9. d5 Na5 10. Qc2 Ng3 11. Rg1 Nxf1 12. Rxf1 Nxc4 13. Bf2 c5 14. dxc6 bxc6 15. Nd4 c5 16. Nb3 Na5 17. Nd2 Nc6 18. a3 Nd4 19. Qd1 Rb8 20. Rb1 e6 21. Nf3 Nxf3+ 22. Qxf3 Qa5 23. Ke2 Rb3 24. Rfc1 Bd7 25. Kd1 Rfb8 0-1

[Event "EU-ch corr"]
[Site "ICCF corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Rozier, Denis"]
[Result "0-1"]
[ECO "A68"]
[PlyCount "44"]
[EventDate "1986.??.??"]
[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 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 0-0 9. Be2 Bg4 10. 0-0 Nbd7 11. Nd2 Bxe2 12. Qxe2 Re8 13. Qf3 Rc8 14. Nc4 Nb6 15. Nxb6 Qxb6 16. Rb1 Qb4 17. Re1 Nxe4 18. a3 Qd4+ 19. Kf1 Nxc3 20. Rxe8+ Rxe8 21. bxc3 Qc4+ 22. Kf2 Bxc3 0-1

[Event "NED-USA corr"]
[Site "Netherlands"]
[Date "1985.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Wrinn, Steven J"]
[Result "0-1"]
[ECO "C84"]
[PlyCount "114"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 0-0 8. e5 Ne8 9. Bf4 f6 10. Bxc6 dxc6 11. Qxd4 Qxd4 12. Nxd4 fxe5 13. Bxe5 c5 14. Nf3 Bf6 15. c3 Bg4 16. Nbd2 Nd6 17. Bxf6 gxf6 18. Re7 Rf7 19. Rae1 Kf8 20. R7e3 Re8 21. Rxe8+ Nxe8 22. h3 Bf5 23. Re3 Re7 24. Rxe7 Kxe7 25. g4 Be6 26. b3 Nd6 27. Kg2 c4 28. Nd4 cxb3 29. axb3 Bd5+ 30. f3 c5 31. Nc2 a5 32. c4 Bc6 33. Kf2 b5 34. cxb5 Bxb5 35. Na3 Bc6 36. Ke3 Ke6 37. h4 a4 38. bxa4 Bxa4 39. f4 Bd1 40. g5 Nf5+ 41. Ke4 Nxh4 42. gxf6 Kxf6 43. Nac4 Bc2+ 44. Kd5 Ng2 45. Kxc5 Kf5 46. Kd4 Kxf4 47. Ne5 Ne1 48. Nf1 h5 49. Nc4 Bd3 50. Nce3 Bxf1 51. Nxf1 h4 52. Kc3 Kf3 53. Kd2 Kf2 54. Ne3 Nf3+ 55. Kd3 Ne5+ 56. Kd2 h3 57. Nd1+ Kf3 0-1

[Event "NED corr"]
[Site "Netherlands"]
[Date "1985.??.??"]
[Round "?"]
[White "Koevoets, M."]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "B17"]
[PlyCount "55"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Qe2 e6 6. Bf4 Nb6 7. 0-0-0 Be7 8. Qg4 Bf6 9. Nd6+ Kf8 10. Qh5 g6 11. Qf3 Qd7 12. Be5 Bxe5 13. dxe5 Qe7 14. h4 Nd7 15. Qa3 c5 16. Nf3 Kg7 17. Bb5 Nb6 18. Qxc5 Nh6 19. g4 Rd8 20. g5 Ng8 21. Rd4 Bd7 22. Bxd7 Rxd7 23. h5 Rc8 24. Qa3 Rc6 25. hxg6 fxg6 26. Rdh4 h5 27. gxh6+ Kh7 28. Rf4 1-0

[Event "NED-USA corr"]
[Site "Netherlands"]
[Date "1985.??.??"]
[Round "?"]
[White "Wrinn, Steven J"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "D91"]
[PlyCount "103"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. Nf3 cxd4 9. cxd4 Nc6 10. cxd5 Qxd5 11. Be2 0-0 12. 0-0 Bf5 13. Qa4 h6 14. Qb5 Qd7 15. Rac1 g5 16. Bg3 Rfc8 17. d5 Nb8 18. Ne5 Bxe5 19. Bxe5 Qxb5 20. Rxc8+ Bxc8 21. Bxb5 Nd7 22. Bd4 Kf8 23. Rc1 Ke8 24. Rc3 Kd8 25. Bg7 h5 26. Be2 g4 27. h3 f5 28. hxg4 hxg4 29. f3 gxf3 30. Bxf3 Nf6 31. Bxf6 exf6 32. d6 Kd7 33. Bxb7 Bxb7 34. Rc7+ Kxd6 35. Rxb7 Kd5 36. Kf2 a6 37. Rb6 Ke5 38. Kf3 Ra7 39. Rc6 a5 40. a4 Ra8 41. Rc5+ Ke6 42. Kf4 Ra6 43. Rxf5 Ke7 44. Rb5 Ke6 45. e4 Ke7 46. Kf5 Kd7 47. g4 Ke7 48. e5 fxe5 49. Rxe5+ Kf7 50. g5 Ra7 51. Ke4 Kg6 52. Kd4 1-0

[Event "NED theme corr"]
[Site "Netherlands"]
[Date "1983.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Goedhart, E."]
[Result "1-0"]
[ECO "C40"]
[PlyCount "85"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 d5 5. Qh5+ g6 6. Nxg6 hxg6 7. Qxh8 Kf7 8. Qd4 Be6 9. Be2 Nc6 10. Qe3 Bh6 11. f4 d4 12. Qf2 Nf6 13. 0-0 d3 14. cxd3 exd3 15. Bd1 Nd4 16. Nc3 Bf8 17. Kh1 Bc5 18. Na4 Be7 19. b3 Ng4 20. Bxg4 Bxg4 21. Bb2 Bf6 22. Rab1 Qh8 23. Nc3 Nf5 24. Nd1 Bxb2 25. Nxb2 Be2 26. Rfe1 c6 27. Nc4 Qh6 28. Ne5+ Kg7 29. g4 Ne7 30. Qd4 Kg8 31. Rg1 Nd5 32. g5 Qh5 33. Rg3 Re8 34. Qe4 Kg7 35. f5 gxf5 36. Qxf5 Rh8 37. Qd7+ Kg8 38. Qc8+ Kg7 39. Qxb7+ Kg8 40. Qb8+ Kg7 41. Qxa7+ Kg8 42. Qf2 Nf4 43. Nd7 1-0

[Event "NED Cup10 qf corr8384"]
[Site "Netherland"]
[Date "1983.??.??"]
[Round "?"]
[White "Timmerman, Gert Jan"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "C74"]
[PlyCount "47"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "4"]
[EventCountry "NED"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 f5 6. exf5 Bxf5 7. 0-0 Bd3 8. Re1 Be7 9. Bc2 Bxc2 10. Qxc2 Nf6 11. d4 0-0 12. dxe5 Nxe5 13. Nxe5 dxe5 14. Nd2 Bc5 15. Nb3 Bb6 16. Be3 Bxe3 17. Rxe3 Ng4 18. Re2 Qf6 19. h3 Nh6 20. Rae1 Rae8 21. Nc5 Qf5 22. Qxf5 Nxf5 23. Nxb7 Nd6 24. Nc5 1-0

[Event "NED theme corr"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Elburg, John"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "61"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. Nxe4 d5 8. Ng5 Qf6 9. Nf3 d4 10. Nc4 b5 11. Qe2+ Kd8 12. Nce5 Bd6 13. d3 h6 14. Bd2 a5 15. 0-0-0 Ne7 16. Re1 c5 17. c3 Nbc6 18. cxd4 cxd4 19. Kb1 g5 20. Qe4 Ra6 21. Nxc6+ Nxc6 22. Qd5 Kc7 23. Rc1 b4 24. Nxd4 Be7 25. Nxc6 Rxc6 26. Rxc6+ Qxc6 27. Qe5+ Kb7 28. Qxh8 Be6 29. Qe5 Bc5 30. d4 Bxd4 31. Qb5+ 1-0

[Event "NED theme corr"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Leeners, Henk JM"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "48"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. Nc4 fxe4 5. Nc3 Qf7 6. Ne3 c6 7. Nxe4 d5 8. Ng5 Qe7 9. Nf3 Be6 10. d4 Nd7 11. Bd3 0-0-0 12. Bd2 g5 13. Qe2 Bg7 14. 0-0-0 g4 15. Ne5 Bxe5 16. dxe5 Nxe5 17. Bf5 Nh6 18. Bxe6+ Qxe6 19. Rhe1 Nhf7 20. f4 gxf3 21. gxf3 d4 22. Ng4 Qxa2 23. Bg5 Nc4 24. Qe6+ Kb8 0-1

[Event "NED theme corr"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Roos, AL."]
[Result "1-0"]
[ECO "C40"]
[PlyCount "33"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Bc4 Nf6 4. Nxe5 d5 5. exd5 Bd6 6. d4 0-0 7. 0-0 Nbd7 8. Re1 Kh8 9. Nc3 Ng4 10. Nxg4 fxg4 11. Ne4 Nb6 12. Nxd6 Qxd6 13. Be2 Nxd5 14. Bxg4 Bxg4 15. Qxg4 Nf4 16. Re4 Qd5 17. Rxf4 1-0

[Event "NED theme corr"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Elburg, John"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "31"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Bc4 fxe4 4. Nxe5 Qg5 5. d4 Qxg2 6. Qh5+ g6 7. Bf7+ Kd8 8. Bxg6 Qxh1+ 9. Ke2 c6 10. Nc3 e3 11. Bxe3 Qxa1 12. Qg5+ Kc7 13. Nf7 b6 14. Qd8+ Kb7 15. Qxf8 hxg6 16. Nd8+ 1-0

[Event "NED corr"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Leeners, Henk JM"]
[Black "Alderden, Dirk"]
[Result "1/2-1/2"]
[ECO "C40"]
[PlyCount "55"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nc3 fxe4 4. Nxe5 Nf6 5. Bc4 d5 6. Nxd5 Nxd5 7. Qh5+ g6 8. Nxg6 hxg6 9. Qxh8 Qf6 10. Qxf6 Nxf6 11. d3 exd3 12. Bxd3 Kf7 13. 0-0 Bd6 14. Bd2 Nc6 15. Rae1 Bd7 16. Bc4+ Kg7 17. Bc3 Rf8 18. f4 Bf5 19. Bb3 Kh7 20. h3 Ne4 21. g4 Nxc3 22. gxf5 Nb5 23. fxg6+ Kxg6 24. Bc4 Nbd4 25. c3 Nf5 26. Bd3 Kf6 27. Bxf5 Kxf5 28. Re2 1/2-1/2

[Event "NED corr"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Roos, AL."]
[Black "Alderden, Dirk"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "34"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. d3 Nc6 4. Nc3 h6 5. exf5 d6 6. g3 Nf6 7. Nh4 Ne7 8. Bg2 c6 9. Ne4 Nxf5 10. Ng6 Rg8 11. Nxf6+ Qxf6 12. Qh5 Kd8 13. Nxf8 Rxf8 14. 0-0 Nd4 15. c3 Nf3+ 16. Bxf3 Qxf3 17. Qg6 Bh3 0-1

[Event "NED theme corr"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Van Eijk, Jelle H"]
[Black "Alderden, Dirk"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "99"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Nc6 4. Qh5+ g6 5. Nxg6 Nf6 6. Qh4 Rg8 7. e5 Rxg6 8. exf6 Rxf6 9. Qh5+ Rf7 10. c3 Ne5 11. d4 Ng6 12. Bd3 Qh4 13. Qxh4 Nxh4 14. g3 Ng6 15. Nd2 Re7+ 16. Kd1 d6 17. f4 Bd7 18. Nf3 0-0-0 19. Bd2 Rde8 20. Kc2 Kd8 21. Rhe1 Rxe1 22. Rxe1 Rxe1 23. Bxe1 h6 24. c4 Ne7 25. h3 Bg7 26. Bc3 Ke8 27. d5 Bxc3 28. Kxc3 b6 29. Nd4 Kf7 30. Kd2 Kf6 31. Ke3 Bc8 32. Nb5 a6 33. Nxc7 Ng8 34. Ne8+ Ke7 35. Ng7 Kf6 36. Nh5+ Kf7 37. Kf3 Ne7 38. g4 fxg4+ 39. hxg4 a5 40. f5 Ba6 41. Nf4 Kf6 42. Ke4 Kg5 43. Ne6+ Kf6 44. b3 Bb7 45. Nc7 Ng8 46. Kf4 Ke7 47. g5 hxg5+ 48. Kxg5 Nf6 49. Nb5 Ne8 50. Be2 1-0

[Event "NED corr"]
[Site "Netherlands"]
[Date "1970.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Mackie, Andrew W"]
[Result "1-0"]
[ECO "E77"]
[PlyCount "33"]
[EventDate "1970.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 c5 6. d5 0-0 7. Be2 e6 8. Nf3 exd5 9. e5 dxe5 10. fxe5 Nfd7 11. Bg5 Qa5 12. cxd5 Nxe5 13. 0-0 Nxf3+ 14. Rxf3 a6 15. Be7 Re8 16. d6 Be6 17. Ne4 1-0

[Event "olm5 qual GP2 B5 corr"]
[Site "ICCF corr"]
[Date "1961.??.??"]
[Round "?"]
[White "Alderden, Dirk"]
[Black "Davey, Scott Thomas"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "76"]
[EventDate "1961.??.??"]
[EventType "team (corr)"]
[EventRounds "7"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 Nc6 5. d5 Nd4 6. Nge2 e5 7. Nxd4 exd4 8. Ne2 Qf6 9. Qd3 c5 10. Ng3 h5 11. f4 Nh6 12. Be2 Qe7 13. Bf3 h4 14. Ne2 f5 15. Bd2 fxe4 16. Bxe4 Bf5 17. Bxf5 Nxf5 18. 0-0-0 Kf7 19. Rde1 Qd7 20. Ng1 Rhe8 21. Nf3 b5 22. Ng5+ Kg8 23. Ne6 bxc4 24. Qxc4 Qb7 25. g4 Rab8 26. b3 Ne3 27. Bxe3 Rxe6 28. dxe6 dxe3 29. Qd3 c4 30. Qxg6 Rf8 31. b4 Qxb4 32. Qc2 Qa3+ 33. Kd1 d5 34. Ke2 Rxf4 35. Rhf1 d4 36. Qb1 Qf8 37. Rxf4 Qxf4 38. Rf1 d3+ 0-1

