[Event "NED-chT 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "9"]
[White "Van Dongen, Cor"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2388"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 Nf6 3. Nc3 g6 4. h4 Nc6 5. Nf3 Bg4 6. Ng5 Ne5 7. Be2 Bxe2 8. Qxe2 h6 9. d4 Ned7 10. Nf3 e5 11. dxe5 dxe5 12. Qb5 Qc8 13. Nd5 Nxd5 14. Qxd5 c6 15. Qc4 Qc7 16. h5 Nb6 17. Qc3 0-0-0 18. a4 Qd6 19. Bd2 Qc5 20. Nxe5 Rd4 21. Qxc5 Bxc5 22. f3 g5 23. Be3 Rxa4 24. Rxa4 Nxa4 25. Bxc5 Nxc5 26. Nxf7 Rh7 27. Ne5 Re7 28. Ng4 Nxe4 29. Kd1 Ng3 30. Re1 Rd7+ 31. Kc1 Rd6 32. Re8+ Kc7 33. Rh8 Nxh5 34. Rh7+ Kb6 35. Rxh6 Rxh6 36. Nxh6 Nf4 37. Nf7 Ne6 38. Kd2 a5 39. Ke3 Kc5 40. Ke4 b5 41. Ke5 a4 42. Kxe6 b4 43. Nxg5 a3 44. Ne4+ Kd4 45. Nc3 axb2 46. Nb1 c5 47. f4 c4 48. f5 b3 49. c3+ Kd3 50. f6 Kc2 51. Na3+ Kc1 52. f7 1-0

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Baumgartner, Walter"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "E07"]
[PlyCount "72"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. Nbd2 b6 8. cxd5 exd5 9. Ne5 Bb7 10. Ndc4 Re8 11. Nxd7 Nxd7 12. Ne3 Nf6 13. Nf5 Bf8 14. Bg5 h6 15. Bxf6 Qxf6 16. Ne3 Rad8 17. Qd3 c5 18. Nc2 c4 19. Qd2 b5 20. e3 Qb6 21. a3 a5 22. Rfb1 b4 23. axb4 axb4 24. Ne1 Ra8 25. Qc1 Bc6 26. b3 c3 27. Nc2 Qb7 28. Qd1 Rxa1 29. Rxa1 Ra8 30. Rxa8 Qxa8 31. Qa1 Qxa1+ 32. Nxa1 f5 33. f4 Kf7 34. Kf2 Ke6 35. Bf1 Bb7 36. Bd3 Be7 1/2-1/2

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Groiss, Werner"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "55"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[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 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bd6 7. Bg3 Bf5 8. Qb3 Bxg3 9. hxg3 Qb6 10. Nf3 Na6 11. Bxa6 Qxa6 12. 0-0-0 Ne7 13. Qb4 f6 14. Rhe1 Qb6 15. Qa3 Qc7 16. e4 dxe4 17. Nxe4 Bxe4 18. Rxe4 Kf7 19. g4 g5 20. Kb1 Nd5 21. Rde1 Qd7 22. Qd3 h5 23. gxh5 Rxh5 24. Ne5+ fxe5 25. Qf3+ Kg6 26. Rxe5 Nf6 27. Re6 Rf8 28. g4 1-0

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Christoffel, Martin"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "13"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[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. Nc3 Nd7 4. exd5 cxd5 5. Nxd5 e6 6. Ne3 Ngf6 7. Nf3 1-0

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Ertl, Rolf"]
[Result "0-1"]
[ECO "E69"]
[PlyCount "62"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 Nbd7 7. Nc3 e5 8. e4 c6 9. h3 Re8 10. Re1 exd4 11. Nxd4 Qb6 12. Re2 Ng4 13. Rd2 Nge5 14. b3 Nc5 15. Kh2 Ned3 16. Ba3 Bxd4 17. Bxc5 dxc5 18. Rxd3 Bxf2 19. Ne2 Be6 20. Qd2 Rad8 21. Rd1 Rxd3 22. Qxd3 Bd4 23. Nf4 Bc8 24. Bf3 Qa5 25. Qc2 Rd8 26. h4 Qc7 27. Rd3 Be5 28. Rxd8+ Qxd8 29. Qd1 Qf6 30. Qd2 h6 31. Bg2 Bg4 0-1

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Gaertig, Lothar"]
[Result "0-1"]
[ECO "E41"]
[PlyCount "42"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[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. Nd2 0-0 10. d5 Ne7 11. e4 Ne8 12. Qc2 Ng6 13. g3 Bh3 14. Re1 Qd7 15. Nf1 f5 16. exf5 Bxf5 17. Bxf5 Rxf5 18. Rb1 Qf7 19. Ne3 Nf6 20. Kg2 e4 21. h3 Ne5 0-1

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Haldemann, Paul"]
[Result "1/2-1/2"]
[ECO "D17"]
[PlyCount "83"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4 Qxe4+ 12. Qe2 Bxd2+ 13. Kxd2 Qd5+ 14. Kc2 Na6 15. Nxc4 0-0 16. Qe5 Rfd8 17. Be2 f6 18. Qxd5 cxd5 19. Na5 Rac8+ 20. Kb3 Nc5+ 21. Ka3 b6 22. Nb3 Kf7 23. Rhc1 Nxb3 24. Kxb3 a5 25. Rc3 Rc5 26. Kc2 Rdc8 27. Kd2 Ke7 28. Raa3 Kd6 29. Rab3 Rxc3 30. bxc3 Rc6 31. Bb5 Rc5 32. Bd3 Kc7 33. g4 h6 34. Rb1 e5 35. h4 Rc6 36. Rg1 Kd6 37. g5 hxg5 38. hxg5 e4 39. Bb5 Rc7 40. g6 Ke5 41. Rh1 Kf4 42. Rf1+ 1/2-1/2

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Pely, Giora"]
[Result "0-1"]
[ECO "E39"]
[PlyCount "72"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[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. Qc2 c5 5. dxc5 0-0 6. Bg5 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. f3 Nfe4 10. fxe4 Qxg5 11. Nf3 Qg4 12. e5 b6 13. b4 Ne4 14. Qd4 Bb7 15. g3 Rfd8 16. Bg2 d6 17. Rd1 f5 18. 0-0 d5 19. c5 bxc5 20. bxc5 Rdc8 21. Rc1 Ba6 22. Qe3 Bc4 23. Nd4 Rab8 24. c6 Qg6 25. Rb1 Qf7 26. Rb4 Rxb4 27. axb4 a6 28. Bxe4 dxe4 29. Rc1 Bd5 30. Qa3 f4 31. Qxa6 Rf8 32. Rf1 f3 33. e3 Qe7 34. b5 Qb4 35. Qa1 Qd2 36. Rf2 Qxe3 0-1

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Schaefer, Markus"]
[Result "1/2-1/2"]
[ECO "A37"]
[PlyCount "79"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 e5 4. Nc3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. Ne1 d6 8. Nc2 Be6 9. Ne3 Qd7 10. Ned5 0-0 11. d3 Bh3 12. a3 Bxg2 13. Kxg2 f5 14. Rb1 Nxd5 15. cxd5 Ne7 16. Bd2 f4 17. b4 b6 18. a4 Kh8 19. a5 Qb7 20. Qb3 Rab8 21. Qa2 Rbc8 22. axb6 axb6 23. bxc5 dxc5 24. Rb5 Rcd8 25. Rfb1 Nxd5 26. Nxd5 f3+ 27. exf3 Qf7 28. Be3 Qxf3+ 29. Kg1 Rxd5 30. Rxb6 Rxd3 31. Bxc5 Rfd8 32. Rf1 Rd1 33. Rb1 Rxf1+ 34. Rxf1 h5 35. h4 Rd1 36. Rxd1 Qxd1+ 37. Kh2 Qf3 38. Qd2 Qc6 39. Be3 Kh7 40. Bg5 1/2-1/2

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Weyerstrass, Ronald"]
[Result "1-0"]
[ECO "D34"]
[PlyCount "121"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 Be6 10. dxc5 Bxc5 11. Bxf6 Qxf6 12. Nxd5 Qxb2 13. Nc7 Rad8 14. Qc1 Qxc1 15. Raxc1 b6 16. Nxe6 fxe6 17. e3 h6 18. Rc4 Rd6 19. Re4 b5 20. a4 bxa4 21. Rxa4 a5 22. Rc4 Bb6 23. Rfc1 Nb4 24. Ne5 Rfd8 25. Bh3 g5 26. Re4 Re8 27. Nc4 Rc6 28. Ra1 Nd5 29. Nxb6 Rxb6 30. Rxa5 Kf7 31. Bf1 Re7 32. Bc4 Nf6 33. Rd4 Kg6 34. Re5 g4 35. Bd3+ Kf7 36. Rf4 Rb2 37. Kf1 Rc7 38. Bc4 Rb1+ 39. Kg2 Rb6 40. Ref5 Rxc4 41. Rxf6+ Kg7 42. Rf7+ Kg6 43. Rxc4 Kxf7 44. Rxg4 e5 45. Ra4 Kf6 46. g4 Rc6 47. h4 Rb6 48. Kf3 Ke6 49. Ke4 Kf6 50. g5+ hxg5 51. hxg5+ Kxg5 52. Kxe5 Rb5+ 53. Ke4 Kg4 54. f3+ Kg3 55. f4 Kg4 56. Rd4 Ra5 57. Rd5 Ra4+ 58. Ke5 Kf3 59. f5 Ra8 60. Rd4 Kxe3 61. Rb4 1-0

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Herschel, Knut"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "C16"]
[PlyCount "37"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. Nf3 Ba6 7. Bxa6 Nxa6 8. 0-0 Qd7 9. Ne2 Nb4 10. c3 Nd3 11. b3 Nxc1 12. Rfxc1 Nh6 13. Qh3 Ba3 14. Rc2 c5 15. Nf4 Ng8 16. c4 dxc4 17. d5 exd5 18. e6 fxe6 19. Nxe6 1-0

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Honfi, Karoly"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "55"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Ne7 5. Na3 Nec6 6. Nc2 Be7 7. Qg4 Bf8 8. Nf3 b6 9. h4 Ba6 10. Bxa6 Nxa6 11. h5 h6 12. 0-0 Qd7 13. Bd2 Nc7 14. dxc5 bxc5 15. b4 f6 16. exf6 gxf6 17. Nh4 Ne5 18. Qe2 cxb4 19. cxb4 0-0-0 20. Bc3 Bg7 21. a4 Nc4 22. Ng6 Rhg8 23. b5 e5 24. Nb4 Kb7 25. Rfd1 Qe6 26. Nc6 Rd7 27. Rac1 Ka8 28. Ba5 1-0

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Janosi, Ervin"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "76"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[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 Be7 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 c6 7. e3 Bf5 8. Ne5 Ne4 9. Bxe7 Qxe7 10. Be2 Nd7 11. Nxd7 Bxd7 12. 0-0 0-0 13. Nxe4 dxe4 14. Qc2 Rfe8 15. b4 a5 16. a3 b5 17. Qc3 Ra7 18. bxa5 Rea8 19. a4 b4 20. Qd2 Rxa5 21. Rab1 Rxa4 22. Bd1 Ra2 23. Qxb4 Qxb4 24. Rxb4 Be6 25. f3 Bd5 26. fxe4 Bxe4 27. Bf3 Bxf3 28. Rxf3 f6 29. h4 Rc2 30. Rb7 Rf8 31. h5 Rf7 32. Rb8+ Rf8 33. Rb6 h6 34. Kh2 Rf7 35. Kg3 Rc7 36. Rf4 Re7 37. Kf3 c5 38. d5 Rc3 1/2-1/2

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Kallinger, Oskar"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "47"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 13. h4 Nf5 14. Rh3 d4 15. Rb1 0-0-0 16. h5 a6 17. Ng3 Nxe5 18. fxe5 Qxe5+ 19. Qe4 Qxe4+ 20. Nxe4 Ba4 21. Rb4 Bxc2 22. Nf6 Rh8 23. g4 Ne7 24. Rh2 1-0

[Event "SUI jub100 corr8992"]
[Site "Switzerland"]
[Date "1989.??.??"]
[Round "?"]
[White "Michel, Fritz"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "A08"]
[PlyCount "85"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "SUI"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Bc7 9. c3 b6 10. e5 a5 11. Nf1 Ba6 12. h4 d4 13. c4 Qd7 14. h5 f5 15. h6 Ng6 16. hxg7 Kxg7 17. Qd2 Bb7 18. Qh6+ Kg8 19. Bf4 Nd8 20. Nh4 Nf7 21. Qh5 Nxf4 22. gxf4 Bxg2 23. Kxg2 Nh8 24. Ng3 Bd8 25. Rh1 Rf7 26. a4 Rg7 27. f3 Ng6 28. Nxg6 Rxg6 29. Kf2 Ra7 30. Rag1 Qxa4 31. b3 Qc6 32. Nxf5 exf5 33. Rxg6+ Qxg6 34. Rg1 Kg7 35. Rxg6+ hxg6 36. Qh1 a4 37. bxa4 Rxa4 38. Qb1 Ra5 39. Kg3 Bc7 40. Kg2 Bd8 41. Kg3 Bc7 42. e6 g5 43. Kf2 1-0

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Camaratta, Frank Alfonse Jr"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "110"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Qa5 8. Qd2 Qa4 9. Rb1 c4 10. Rb4 Qa5 11. Qg5 Nf5 12. g4 h6 13. Qh5 Ne7 14. Kd2 Nbc6 15. Rb1 Qa4 16. Ng1 Bd7 17. Rxb7 0-0-0 18. Rb1 f6 19. exf6 gxf6 20. Ne2 Be8 21. Qh4 Bg6 22. Rb2 e5 23. Qxf6 Rhf8 24. Qe6+ Kc7 25. dxe5 d4 26. Ke1 dxc3 27. Ra2 Be4 28. Rg1 Bd5 29. Qxh6 Qa5 30. Qg5 Bf3 31. Ra1 Rd5 32. Bf4 Rfd8 33. Qf6 Kc8 34. Qe6+ Kb8 35. Rb1+ Ka8 36. Bg2 Qb6 37. Rc1 Nb4 38. axb4 Qxe6 39. Bxf3 Kb8 40. Bxd5 Nxd5 41. Rd1 Rf8 42. Rd4 Nxb4 43. Rd6 Qe7 44. Rf6 Re8 45. g5 Nd5 46. Nd4 Qa3 47. Ke2 Qc5 48. e6+ Ka8 49. Be5 Nb4 50. Nf3 Qd5 51. g6 Qe4+ 52. Kf1 Qxc2 53. g7 Nd3 54. Bd4 Rg8 55. Rf8+ Kb7 1-0

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Cesar, Camilo"]
[Black "Helsloot, Jan S"]
[Result "0-1"]
[ECO "B44"]
[PlyCount "72"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 Nf6 7. N1c3 a6 8. Na3 Be7 9. Be2 0-0 10. 0-0 b6 11. Nc2 Bb7 12. Ne3 Ne5 13. f3 Qc7 14. Qd2 Rac8 15. Rd1 Rfd8 16. Qe1 Ng6 17. Bf1 Rd7 18. Kh1 Bf8 19. Qg3 Qd8 20. Bd2 h5 21. Rac1 h4 22. Qf2 Rb8 23. Nc2 d5 24. exd5 exd5 25. Bg5 Bc5 26. Be3 Bxe3 27. Qxe3 dxc4 28. Rxd7 Qxd7 29. Qxb6 h3 30. Qd4 Qc7 31. Ne3 Ne5 32. Ne4 Bxe4 33. fxe4 Neg4 34. g3 Nxe3 35. Qxe3 Rxb2 36. Bxh3 Qc6 0-1

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Gonzales Abreo, Pedro Francisco"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "A63"]
[PlyCount "53"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Nbd7 10. Nd2 a6 11. a4 Rb8 12. Nc4 Nb6 13. Nxd6 Bg4 14. a5 Qxd6 15. Bf4 Qd8 16. axb6 Qxb6 17. Bxb8 Rxb8 18. Qc2 Rc8 19. e4 Ne8 20. Rfe1 Qd6 21. h3 Bd7 22. f4 Qb6 23. e5 c4+ 24. Qf2 Qxf2+ 25. Kxf2 h5 26. d6 Rb8 27. Nd5 1-0

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Hariman, Andre"]
[Black "Helsloot, Jan S"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "76"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Bg5 Qe8 13. Re1 Ng4 14. h3 e5 15. hxg4 e4 16. Nc3 Bxg4 17. Nxd5 Bxf3 18. gxf3 Qg6 19. Bxe4 Qxg5+ 20. Kf1 Rae8 21. Qd3 Qh5 22. f4 Rf5 23. Re3 Rxe4 24. Qxe4 Rxd5 25. Rae1 h6 26. Rb3 Rxd4 27. Qg2 Bb4 28. a3 Rd1 29. Rxb4 Nxb4 30. Qe4 Nd3 31. Rxd1 Qxd1+ 32. Kg2 Qg4+ 33. Kf1 Qd7 34. Qc4+ Kh8 35. b4 a6 36. Ke2 Nb2 37. Qb3 Na4 38. f5 Qe7+ 0-1

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Carniol, Jean Louis"]
[Result "1-0"]
[ECO "E48"]
[PlyCount "93"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 cxd4 7. exd4 d5 8. cxd5 Nxd5 9. 0-0 0-0 10. a3 Be7 11. Bc2 Nxc3 12. bxc3 b6 13. Qd3 g6 14. Re1 Bb7 15. Nf4 Na5 16. Qg3 Kh8 17. Qh3 Rg8 18. Re3 Nc4 19. Rg3 e5 20. Bxg6 Rxg6 21. Nxg6+ fxg6 22. Rxg6 Qc8 23. Qxc8+ Rxc8 24. Rg3 exd4 25. cxd4 Bf6 26. Bg5 Bxg5 27. Rxg5 Nxa3 28. f4 Nc4 29. Rxa7 Nd6 30. Re5 Rc7 31. Re6 Nc4 32. d5 Rd7 33. d6 Nxd6 34. Rxd6 Rxd6 35. Rxb7 Rd1+ 36. Kf2 Rd2+ 37. Kg3 Rd3+ 38. Kh4 Rd2 39. Kh3 Rf2 40. g3 Rb2 41. g4 b5 42. f5 Kg8 43. g5 b4 44. Kg3 Rb1 45. h4 Rg1+ 46. Kf4 Rh1 47. Ke5 1-0

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Katsipis, Sampson"]
[Result "1-0"]
[ECO "E99"]
[PlyCount "33"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Nf6 12. f3 f4 13. c5 g5 14. cxd6 cxd6 15. Nf2 h5 16. h3 Ng6 17. a4 1-0

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Letic, Stevan"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "60"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 c6 5. cxd5 exd5 6. e3 Be7 7. Bd3 0-0 8. Qc2 Nbd7 9. Nge2 Re8 10. 0-0 Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Ng3 f5 15. f3 exf3 16. Rxf3 g6 17. d5 Rd8 18. e4 fxe4 19. Ngxe4 Bf5 20. Qb3 Kh8 21. d6 Qe5 22. Ng5 Qd4+ 23. Kh1 Rd7 24. Rbf1 Re8 25. h3 h6 26. Nge4 Nh7 27. Ng3 Qxd6 28. Nxf5 gxf5 29. Rxf5 Rg7 30. Qc2 Qe6 1/2-1/2

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Pujol, Ramon"]
[Result "1-0"]
[ECO "D88"]
[PlyCount "47"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Bc4 Bg7 8. Ne2 Nc6 9. Be3 cxd4 10. cxd4 0-0 11. 0-0 Bg4 12. f3 Bd7 13. Rb1 b6 14. Qd2 Na5 15. Bd3 Rc8 16. Rfc1 Bc6 17. d5 Bb7 18. Bf4 Qd7 19. Bb5 Rxc1+ 20. Qxc1 Qd8 21. Qa3 e6 22. dxe6 fxe6 23. Bd6 Qd7 24. Bxd7 1-0

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Timson, Paul F"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "2435"]
[BlackElo "2520"]
[PlyCount "62"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[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 Nc6 9. Be3 0-0 10. 0-0 Qc7 11. Rc1 Rd8 12. Qd2 Qa5 13. Rfd1 e6 14. Bg5 Re8 15. Qe3 b5 16. Bb3 c4 17. Bc2 Bb7 18. e5 Ne7 19. Bxe7 Rxe7 20. Be4 Bd5 21. Rb1 Rd8 22. Rb2 Bxe5 23. dxe5 Bxe4 24. Rxd8+ Qxd8 25. Nd4 Bc6 26. Qg5 Rd7 27. h4 Qxg5 28. hxg5 Rxd4 29. cxd4 a5 30. Rc2 Be4 31. Rc1 Bd3 0-1

[Event "olm11 qual GP1 B6 corr"]
[Site "ICCF corr"]
[Date "1987.??.??"]
[Round "?"]
[White "Oren, Itamar"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "C04"]
[PlyCount "107"]
[EventDate "1987.??.??"]
[EventType "team (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Be2 Be7 7. Nf1 0-0 8. Ne3 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. c4 b6 12. g3 Ne7 13. b3 Ne4 14. Bb2 Bb7 15. Ne5 Bxe5 16. dxe5 dxc4 17. bxc4 Ng5 18. h4 Nf3+ 19. Bxf3 Bxf3 20. Qb3 c5 21. Ng2 Qe8 22. Qe3 Qh5 23. Qg5 Qxg5 24. hxg5 Ng6 25. Ne3 Kf7 26. a4 a5 27. Ra3 Ke7 28. Re1 Kd7 29. Rd3+ Kc7 30. Rd6 Rfe8 31. Bc3 Nh8 32. Rb1 Rab8 33. Rbxb6 Rxb6 34. Bxa5 Bc6 35. Nd5+ exd5 36. cxd5 Kb7 37. Bxb6 Bxa4 38. e6 Rc8 39. Ba5 Ng6 40. f4 Ne7 41. Rb6+ Ka7 42. d6 Nc6 43. d7 Ra8 44. Rxc6 Bxc6 45. d8Q Rxd8 46. Bxd8 g6 47. g4 Bd5 48. f5 Kb7 49. Kf2 Kc6 50. Ke3 Bb3 51. Ke4 Kd6 52. Bb6 Bc2+ 53. Kf4 c4 54. Bd4 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Breazu, Mihai"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "60"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. Qc2 c5 7. cxd5 cxd4 8. Nxd4 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. e3 Nc6 12. Qd2 Nxd4 13. Qxd4 Qe4 14. Bd3 Qxd4 15. exd4 Be6 16. Rc1 Rfc8 17. Kd2 Kf8 18. Rhe1 Ke7 19. Rc5 Kd6 20. Rec1 h6 21. Ke3 b6 22. Rxc8 Rxc8 23. Rxc8 Bxc8 24. h4 g5 25. f4 gxh4 26. f5 Ke7 27. Kf4 Kf6 28. a3 Bd7 29. Kg4 Bc8 30. Kf4 Bd7 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Danner, Georg"]
[Result "0-1"]
[ECO "B96"]
[PlyCount "74"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 b5 9. Bxf6 gxf6 10. a3 Bb7 11. Be2 h5 12. Qh3 Nd7 13. 0-0-0 0-0-0 14. f5 e5 15. Nb3 Nb6 16. Rd3 Kb8 17. Bf3 Nc4 18. Qh4 Bh6+ 19. Kb1 Bg5 20. Qf2 h4 21. Re1 Bf4 22. g3 hxg3 23. hxg3 Bg5 24. Rh1 Rxh1+ 25. Bxh1 Rh8 26. Bf3 Bc6 27. Nd5 Qa7 28. Qxa7+ Kxa7 29. Rc3 Rh2 30. Ka2 Bxd5 31. exd5 Be3 32. a4 Bd4 33. Nxd4 exd4 34. Rb3 Kb6 35. axb5 axb5 36. Bd1 Kc5 37. Rd3 Ne5 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Ekebjaerg, Ove"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "67"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. a4 b4 13. Nd5 Nxd5 14. exd5 Bxd4 15. Qxd4 a5 16. 0-0 Qc7 17. Rfe1 Rfe8 18. Re2 Qa7 19. Qxa7 Rxa7 20. Rae1 Kf8 21. g4 Rc7 22. Re4 e5 23. dxe6 Bxe6 24. Bxe6 Rxe6 25. Rxe6 fxe6 26. Rxe6 Rxc2 27. b3 Rc3 28. Rxd6 Rxf3 29. Rd5 Rxb3 30. Rxa5 Ra3 31. Ra8+ Kf7 32. a5 b3 33. Rb8 Rxa5 34. Rxb3 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Hyldkrog, Lars"]
[Result "1/2-1/2"]
[ECO "C18"]
[PlyCount "102"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 0-0 8. Nf3 Nbc6 9. Bd3 f5 10. exf6 Rxf6 11. Bg5 Rf7 12. Bxe7 Rxe7 13. Qh4 g6 14. 0-0 c4 15. Be2 Bd7 16. Rfe1 Qf8 17. Bf1 Rae8 18. Re3 Rg7 19. Be2 Ne7 20. g4 Qf4 21. Qg5 Qxg5 22. Nxg5 Nc8 23. Re1 h6 24. Nf3 Ba4 25. Bf1 Bxc2 26. Rxe6 Rxe6 27. Rxe6 Re7 28. Rxe7 Nxe7 29. Ne5 g5 30. Bg2 Kg7 31. Kf1 Bh7 32. Ke2 Bg8 33. Kd2 Be6 34. Bf3 Nc8 35. Bd1 Nd6 36. f3 Nb5 37. a4 Nc7 38. Ke3 a5 39. f4 b5 40. f5 Bf7 41. axb5 Nxb5 42. Kd2 Nd6 43. Bf3 Ne4+ 44. Bxe4 dxe4 45. Nc6 Bd5 46. Nxa5 Kf7 47. Ke3 Kf6 48. Ke2 Ke7 49. Ke3 Kd6 50. Ke2 Kd7 51. Kf2 Kd6 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Ingerslev, Aage"]
[Result "1-0"]
[ECO "C66"]
[PlyCount "65"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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 Nf6 4. 0-0 d6 5. d4 Bd7 6. Nc3 Be7 7. dxe5 Nxe5 8. Bxd7+ Qxd7 9. Nd4 0-0 10. Nf5 Bd8 11. f3 g6 12. Nh6+ Kh8 13. b3 Qc6 14. Bb2 Nc4 15. Bc1 Ne5 16. Qd2 Ng8 17. Nxg8 Kxg8 18. Kh1 f5 19. Bb2 f4 20. Nd5 Rf7 21. Rad1 g5 22. c4 Bf6 23. Nxf6+ Rxf6 24. Qc3 b6 25. Rd5 Re6 26. Rc1 a5 27. a3 Kf7 28. h3 h5 29. b4 axb4 30. axb4 Rae8 31. c5 bxc5 32. bxc5 R8e7 33. Qb3 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Penrose, Jonathan"]
[Result "1/2-1/2"]
[ECO "B82"]
[PlyCount "43"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be3 Nf6 7. f4 Be7 8. Qf3 0-0 9. 0-0-0 Qc7 10. Rg1 Nxd4 11. Bxd4 e5 12. fxe5 dxe5 13. Qg3 Rd8 14. Be2 Rxd4 15. Rxd4 Bc5 16. Nd5 Nxd5 17. Rxd5 Be6 18. Rgd1 Bxd5 19. Rxd5 Bd6 20. Qb3 g6 21. Rd3 Qc6 22. Qd5 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Stern, Dieter Max"]
[Result "1-0"]
[ECO "C18"]
[PlyCount "87"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Bd3 Qa5 9. Ne2 Kf8 10. Bd2 dxc3 11. Bxc3 Qc7 12. 0-0 Nd7 13. Qg3 Nc5 14. a4 Bd7 15. Bb4 Kg8 16. Rfb1 b6 17. a5 Re8 18. axb6 axb6 19. h4 Nf5 20. Bxf5 exf5 21. Nf4 Qxe5 22. Bxc5 bxc5 23. Re1 Qxe1+ 24. Rxe1 Rxe1+ 25. Kh2 h5 26. Nxd5 Kh7 27. Qg5 f6 28. Qxh5+ Kg8 29. Nxf6+ gxf6 30. Qg6+ Kf8 31. Qxf6+ Kg8 32. Qg6+ Kf8 33. Qd6+ Kg8 34. Qxd7 Rxh4+ 35. Kg3 Rg4+ 36. Kf3 Re5 37. Qc7 Rge4 38. g3 Kf8 39. Kg2 Re1 40. Qb7 R1e2 41. c4 Kg8 42. Kh3 Kf8 43. Qc7 Ke8 44. Kh4 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Strand, Torgeir"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "47"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Bd3 Nc5 11. Rhe1 0-0 12. e5 dxe5 13. fxe5 Nd5 14. Ne4 Nb4 15. Nf6+ Bxf6 16. Bxh7+ Kxh7 17. exf6 Ncd3+ 18. Rxd3 Nxd3+ 19. Qxd3+ Kg8 20. fxg7 Kxg7 21. Qh3 Kg8 22. Re3 f6 23. Bh6 Qa5 24. Qg3+ 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Kosenkov, Vsevolod Tikhonovic"]
[Black "Helsloot, Jan S"]
[Result "0-1"]
[ECO "B92"]
[PlyCount "48"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. Be3 Be6 10. Qd2 Nbd7 11. a4 Rc8 12. a5 Qc7 13. Rfd1 Rfd8 14. Qe1 Nc5 15. Nxc5 dxc5 16. Rxd8+ Rxd8 17. b3 Qc6 18. Ra4 Ne8 19. Bc4 Nc7 20. Qe2 Re8 21. Ra1 h6 22. Rd1 Bxc4 23. Qxc4 Ne6 24. Nd5 Bg5 0-1

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Koskinen, Olli"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "E13"]
[PlyCount "85"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[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. Nf3 b6 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Bd3 Nbd7 10. 0-0 g5 11. Bg3 Qe7 12. Nd2 h5 13. f3 h4 14. Be1 g4 15. fxg4 h3 16. e4 hxg2 17. Rf2 0-0-0 18. Rxg2 Rh3 19. Rg3 Rxg3+ 20. Bxg3 Rg8 21. h3 Nh5 22. Bf2 f5 23. exf5 Nf4 24. fxe6 Nxh3+ 25. Kf1 Nf6 26. Bh4 Rh8 27. Nf3 Qg7 28. Bxf6 Qxf6 29. Bf5 Kb8 30. Qe2 Ng5 31. e7 Bc6 32. Ng1 Be8 33. Re1 Rh4 34. c5 b5 35. c6 a6 36. a4 d5 37. Qe5 Qxc6 38. axb5 axb5 39. Re3 b4 40. cxb4 Qc1+ 41. Re1 Qc4+ 42. Kg2 Ne4 43. Qe6 1-0

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Mohrlok, Dieter A"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "B93"]
[PlyCount "73"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Qc7 8. a4 b6 9. Bd3 Bb7 10. 0-0 Nbd7 11. Qe2 Be7 12. fxe5 dxe5 13. Nh4 g6 14. Bh6 Nh5 15. Nf5 Bc5+ 16. Kh1 Bf8 17. Bc4 Nf4 18. Bxf4 exf4 19. Nd5 Bxd5 20. exd5+ Qe5 21. Rae1 Qxe2 22. Rxe2+ Kd8 23. Nd4 Bd6 24. g3 Nc5 25. b3 Re8 26. gxf4 Rxe2 27. Bxe2 f5 28. Kg2 Kc7 29. Ne6+ Nxe6 30. dxe6 Kd8 31. Bc4 Ke7 32. h4 h5 33. Kf3 Ra7 34. Rg1 Kf6 35. Rg2 a5 36. Rd2 Ke7 37. Rg2 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Shephard, Chris CW"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "A33"]
[PlyCount "51"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Bb4 7. Bg2 Ne5 8. Qb3 Qa5 9. Nc2 Bxc3+ 10. bxc3 d5 11. cxd5 exd5 12. Bf4 Nc4 13. Ne3 Nxe3 14. Bxe3 0-0 15. 0-0 Ne4 16. Rfc1 Be6 17. Qb4 Qxb4 18. cxb4 b5 19. f3 Nd6 20. Bc5 Rfd8 21. Kf2 Nc4 22. a4 a6 23. axb5 axb5 24. Rxa8 Rxa8 25. Rd1 Ne5 26. f4 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Smit, Dick"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "73"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Be6 5. Nd2 Bd6 6. Bd3 Nc6 7. c3 Ne7 8. Ne2 c6 9. e4 Qc7 10. Ng3 0-0-0 11. Qf3 Rde8 12. Nh5 Rhg8 13. 0-0-0 Qa5 14. Bb1 Kb8 15. Nf4 Ng6 16. Nxe6 fxe6 17. g3 Qa4 18. exd5 cxd5 19. h4 Nf8 20. Rhe1 Rc8 21. Nb3 b5 22. Re3 b4 23. Kd2 f5 24. Nc1 bxc3+ 25. bxc3 g6 26. Bc2 Qa6 27. Qe2 Qxe2+ 28. Nxe2 Rg7 29. Rb1+ Rb7 30. Rxb7+ Kxb7 31. f4 h6 32. Bb3 Kc7 33. Kd3 Kd7 34. c4 dxc4+ 35. Bxc4 Bb4 36. Ng1 Ke7 37. Nf3 1/2-1/2

[Event "Nielsen mem corr8588"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "Sorensen, Arne"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "A36"]
[PlyCount "84"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 0-0 7. 0-0 d6 8. d3 Ne8 9. Be3 Nd4 10. Rb1 a5 11. a3 Nc7 12. b4 axb4 13. axb4 b6 14. Nf4 Ra3 15. Nfd5 Nxd5 16. Nxd5 Be6 17. Re1 Bxd5 18. exd5 Ra2 19. bxc5 bxc5 20. Bxd4 Bxd4 21. Re2 Qa5 22. Bf3 Ra8 23. Kg2 Qd8 24. Rb7 Ra1 25. Qd2 Bf6 26. h4 Qc8 27. Rb3 h5 28. Qf4 Rb8 29. Rxb8 Qxb8 30. Qe4 Qb1 31. Kh3 Qf1+ 32. Bg2 Qd1 33. Bf3 Ra3 34. Ra2 Qxd3 35. Rxa3 Qxa3 36. Kg2 Qb2 37. Qe2 Qc1 38. Qe4 Bd4 39. Qe2 Kf8 40. Qf1 Qc2 41. Qe2 Qc3 42. Be4 Qc1 1/2-1/2

[Event "NED-ch corr"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Van Buuren, G."]
[Result "1-0"]
[ECO "C88"]
[PlyCount "81"]
[EventDate "1984.??.??"]
[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. d3 d6 9. a4 Bb7 10. c3 Nd7 11. a5 Bf6 12. d4 Re8 13. d5 Ne7 14. Be3 Nf8 15. c4 Nfg6 16. Nc3 bxc4 17. Bxc4 Bc8 18. b4 Nf4 19. b5 axb5 20. Bxb5 Rf8 21. Nd2 g5 22. Nc4 Kh8 23. Nb6 Rb8 24. Nxc8 Qxc8 25. a6 Ra8 26. a7 c5 27. dxc6 Ne6 28. Nd5 Nxd5 29. exd5 Nc7 30. Bd3 g4 31. Bc2 Bg7 32. Rb1 f5 33. Rb7 e4 34. Bd4 Qd8 35. Bxg7+ Kxg7 36. Qd4+ Kg8 37. Reb1 Rc8 38. Bd1 Qe7 39. Be2 Kf7 40. Rb8 Rce8 41. R8b7 1-0

[Event "NED-ch corr"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Van Schijndel, PJ."]
[Result "1-0"]
[ECO "D97"]
[PlyCount "91"]
[EventDate "1984.??.??"]
[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 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 Na6 8. Bf4 c5 9. Rd1 Qa5 10. Qb5 Qxb5 11. Bxb5 cxd4 12. Nxd4 Nc5 13. Nd5 Nxd5 14. exd5 Rd8 15. Bc4 a6 16. 0-0 Na4 17. Bb3 Nc5 18. Bc4 b5 19. Nc6 Rd7 20. b4 Na4 21. Bb3 Nb2 22. Rd2 Bc3 23. Re2 Nd3 24. Bg5 Bxb4 25. Rd1 Bb7 26. Re3 Nb2 27. Rb1 Nd3 28. Rxd3 Bxc6 29. Bc2 Rxd5 30. Rxd5 Bxd5 31. Rxb4 f6 32. Be3 Bxa2 33. f4 Bc4 34. Be4 Rd8 35. Rb1 Rd6 36. Bc5 Re6 37. Bf3 a5 38. Kf2 Kf8 39. Re1 Kf7 40. Rxe6 Kxe6 41. Ke3 Kd7 42. Kd4 e6 43. Bb6 a4 44. Bc5 e5+ 45. fxe5 fxe5+ 46. Kxe5 1-0

[Event "NED-ch13 corr8385"]
[Site "Netherlands"]
[Date "1983.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Houtman, Joop"]
[Result "1-0"]
[ECO "C92"]
[PlyCount "65"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[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 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a3 Qd7 13. Bc2 g6 14. b3 Nb8 15. Bb2 c6 16. c4 Qc7 17. a4 Nbd7 18. Bd3 b4 19. c5 exd4 20. cxd6 Bxd6 21. Bxd4 Ne5 22. Nxe5 Bxe5 23. Bxe5 Qxe5 24. Nc4 Qc7 25. e5 Nd5 26. Nd6 Rf8 27. Bc4 f6 28. Rc1 Qe7 29. Qd4 fxe5 30. Bxd5+ cxd5 31. Qxe5 Qxe5 32. Rxe5 Rab8 33. Rc7 1-0

[Event "NED-ch13 corr8385"]
[Site "Netherlands"]
[Date "1983.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Jongman, Riekent W"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "85"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Nf3 Nf6 5. h3 0-0 6. Be3 c6 7. a4 Nbd7 8. Be2 e5 9. 0-0 Qe7 10. Nd2 Ne8 11. d5 c5 12. a5 f5 13. f3 f4 14. Bf2 Qg5 15. Kh2 Ndf6 16. Nc4 Nh5 17. b4 cxb4 18. Nb5 Rf6 19. Qe1 Ng3 20. Rg1 h5 21. Bd3 Qh6 22. Nxa7 g5 23. Nb6 Rxa7 24. Nxc8 Ra8 25. Nb6 Rd8 26. Nc4 Rg6 27. Qxb4 Rd7 28. a6 bxa6 29. Qb8 Re7 30. Rxa6 Bf8 31. Rga1 g4 32. Ra7 Kf7 33. Nxe5+ dxe5 34. Qxe5 Qg5 35. Qxg5 Rxg5 36. h4 Rge5 37. Bxg3 fxg3+ 38. Kxg3 Nf6 39. c4 Rxa7 40. Rxa7+ Ke8 41. Ra6 Kf7 42. Kf4 gxf3 43. gxf3 1-0

[Event "NED-ch13 corr8385"]
[Site "Netherlands"]
[Date "1983.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Nunnikhoven, Wilfred"]
[Result "1-0"]
[ECO "C19"]
[PlyCount "139"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Ne7 8. a4 b6 9. a5 bxa5 10. Ba3 c4 11. h4 h5 12. g3 Nbc6 13. Bh3 Nf5 14. Bxf5 exf5 15. Bd6 Qd8 16. Ng5 Be6 17. Nh3 g6 18. Nf4 Ne7 19. Qf3 Nc8 20. Bc5 Rb8 21. Kd2 Rb5 22. Rhb1 a6 23. Nh3 Kd7 24. Qf4 Kc6 25. Qg5 Qc7 26. Qf6 Re8 27. Nf4 Qd7 28. Rxb5 Kxb5 29. Ke3 a4 30. Kf3 a5 31. Ke3 Ka6 32. Rb1 a3 33. Ra1 Na7 34. Bxa7 Kxa7 35. Rxa3 Ka6 36. Ra1 Qb7 37. Kd2 Qd7 38. Rb1 Ka7 39. Kd1 Ka6 40. Qg5 Ka7 41. f3 Ka6 42. Ne2 Qc7 43. Qc1 Rb8 44. Rxb8 Qxb8 45. Qa1 Qd8 46. Qc1 Qe7 47. Nf4 Ka7 48. Qa1 Ka6 49. Qa4 Kb6 50. Kc1 Qd8 51. Qa3 Qc8 52. Nh3 Qd8 53. Ng5 Qe8 54. Nh7 Qc6 55. Nf6 Ka6 56. Qe7 Qb7 57. Qd6+ Ka7 58. Ne8 Qb8 59. Qe7+ Qb7 60. Qd8 a4 61. Qa5+ Qa6 62. Qc5+ Qb6 63. Qe7+ Qb7 64. Qa3 Qc6 65. Nd6 Ka6 66. Qb4 Ka7 67. Kb2 Ka6 68. Ka3 Ka7 69. Qa5+ Kb8 70. Qd8+ 1-0

[Event "NED-ch13 corr8385"]
[Site "Netherlands"]
[Date "1983.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Van Bommel, O."]
[Result "1/2-1/2"]
[ECO "B64"]
[PlyCount "147"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 0-0 9. f4 h6 10. Bh4 e5 11. Nf5 Bxf5 12. exf5 exf4 13. Kb1 d5 14. Qxf4 d4 15. Bxf6 Bxf6 16. Ne4 Be5 17. Qf3 Rc8 18. Bd3 Nb4 19. f6 Qd5 20. b3 Qa5 21. a4 Nxd3 22. fxg7 Bxg7 23. Rxd3 Rc6 24. Rf1 Qc7 25. Qf5 Qxh2 26. Rg3 Qh4 27. Rg4 Qe7 28. Nf6+ Rxf6 29. Qxf6 Qxf6 30. Rxf6 Rc8 31. Rf1 Rc7 32. Rgf4 Rd7 33. R4f3 Be5 34. Rh1 Kg7 35. Rf5 f6 36. Rfh5 Bf4 37. R5h3 Re7 38. Rh4 Be3 39. Kb2 f5 40. Rd1 f4 41. c3 dxc3+ 42. Kxc3 Rc7+ 43. Kd3 Re7 44. b4 Kg6 45. Kc4 Re4+ 46. Kb3 Bd4 47. Rh3 b6 48. Rhd3 Bf6 49. Rd6 h5 50. Rc6 Kf5 51. Rd7 Re3+ 52. Kc4 Re4+ 53. Kb5 Be7 54. Rc4 a6+ 55. Kxb6 Rxc4 56. Rxe7 Rxb4+ 57. Ka5 Re4 58. Rf7+ Kg5 59. Kxa6 Rxa4+ 60. Kb5 Rd4 61. Kc5 Rd2 62. Kc4 Rd6 63. Rf8 Rf6 64. Rg8+ Kh4 65. Kd4 Re6 66. Rf8 Kg3 67. Rg8+ Kf2 68. Rf8 f3 69. gxf3 Rh6 70. f4 Kf3 71. Ke5 h4 72. f5 h3 73. Ra8 Kg4 74. Rg8+ 1/2-1/2

[Event "NED-ch13 corr8385"]
[Site "Netherlands"]
[Date "1983.??.??"]
[Round "?"]
[White "Timmerman, Gert Jan"]
[Black "Helsloot, Jan S"]
[Result "0-1"]
[ECO "B89"]
[PlyCount "100"]
[EventDate "1983.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 a6 8. Qe2 Qc7 9. 0-0-0 Na5 10. Bd3 b5 11. g4 b4 12. Nb1 Bb7 13. Nd2 d5 14. f3 Bd6 15. g5 Nh5 16. exd5 Bxd5 17. Be4 0-0 18. Bxd5 exd5 19. Nf5 Be5 20. Bd4 Nf4 21. Qe3 Rac8 22. Kb1 Qxc2+ 23. Ka1 Rfe8 24. Bxe5 Nd3 25. Nb1 Rxe5 26. Ne7+ Kf8 27. Qxd3 Qxd3 28. Rxd3 Kxe7 29. f4 Rf5 30. b3 Rc5 31. Re1+ Kd7 32. Rf1 Nc6 33. Nd2 Rc3 34. Ne4 Rxd3 35. Nc5+ Kd6 36. Nxd3 a5 37. Kb2 d4 38. Kc2 Nd8 39. Kd2 Ne6 40. h4 Kd5 41. Ne5 Rxf4 42. Rxf4 Nxf4 43. Nxf7 g6 44. Nh6 Ng2 45. Ng4 Nxh4 46. Nf6+ Ke5 47. Nxh7 Kf5 48. Kd3 Nf3 49. Nf8 Nxg5 50. Nd7 Ne6 0-1

[Event "NED-ch corr"]
[Site "Netherlands"]
[Date "1983.??.??"]
[Round "?"]
[White "Van der Camp"]
[Black "Helsloot, Jan S"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "54"]
[EventDate "1983.??.??"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 9. Nc4 Rc8 10. Nd5 Bxd5 11. exd5 Nb8 12. Be2 Be7 13. 0-0 0-0 14. a4 Rc5 15. Bxf6 Bxf6 16. b4 Rc7 17. Ra3 Bg5 18. Nb2 f5 19. c4 a5 20. bxa5 Na6 21. Rb3 Nc5 22. Rb6 e4 23. Qc2 Bf4 24. Nd1 Qg5 25. a6 Nxa6 26. Nc3 e3 27. Nd1 Rf6 0-1

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "De Klerk, A."]
[Result "0-1"]
[ECO "C89"]
[PlyCount "84"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[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. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 f5 17. f4 g5 18. Qf1 Qh5 19. Nd2 Kh8 20. Bxd5 cxd5 21. fxg5 f4 22. Bxf4 Bxf4 23. gxf4 Bh3 24. Qf2 Qg4+ 25. Qg3 Rxf4 26. Re3 Rg8 27. Kh1 Qxg3 28. Rxg3 Rf2 29. Nf3 Bf5 30. Kg1 Rxb2 31. Ne5 Be4 32. Rf1 Rxa2 33. h4 Rb2 34. Rf7 Rb1+ 35. Kf2 Rb2+ 36. Ke3 Rh2 37. Rg4 Rc8 38. g6 hxg6 39. Ra7 Rxc3+ 40. Kf4 Rf3+ 41. Kg5 Rf5+ 42. Kxg6 Rxe5+ 0-1

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Etmans, Maarten D"]
[Result "1/2-1/2"]
[ECO "B05"]
[PlyCount "40"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. Nc3 0-0 9. Be3 N8d7 10. exd6 cxd6 11. b3 Nf6 12. h3 Bh5 13. Qd2 Nbd7 14. Rac1 Bg6 15. Ne1 Ne4 16. Nxe4 Bxe4 17. Bd3 Bxd3 18. Nxd3 e5 19. dxe5 dxe5 20. f4 exf4 1/2-1/2

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Timmerman, Gert Jan"]
[Result "1-0"]
[ECO "A56"]
[PlyCount "63"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[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 c5 3. d5 Ne4 4. Qc2 Qa5+ 5. Nd2 Nd6 6. e4 g6 7. b3 Bg7 8. Bb2 Bxb2 9. Qxb2 0-0 10. Bd3 b5 11. e5 bxc4 12. bxc4 Ne8 13. Ngf3 d6 14. 0-0 Nd7 15. Rfe1 Nb6 16. exd6 exd6 17. h3 Ba6 18. Re3 Rb8 19. Qc1 Nf6 20. Bf1 Bc8 21. Ra3 Na4 22. Ng5 Rb4 23. Nde4 Qd8 24. Qf4 Bf5 25. Ng3 Qd7 26. Qh4 Re8 27. Rf3 Re5 28. Bd3 Bxd3 29. Rxf6 Rxg5 30. Qxg5 Nb2 31. Rf3 Rb8 32. Re1 1-0

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Helsloot, Jan S"]
[Black "Van der Zwan, JJ."]
[Result "1-0"]
[ECO "C89"]
[PlyCount "137"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[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. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Re6 18. a4 f5 19. Qf1 Qh5 20. f4 bxa4 21. Rxa4 g5 22. Rxa6 gxf4 23. Rxc6 fxe3 24. Bxd5 Kh8 25. Bxe6 exd2 26. Ra1 Be7 27. Qf4 Bg5 28. Qe5+ Bf6 29. Qc5 Re8 30. Rc8 d1Q+ 31. Rxd1 Bxd1 32. Qc6 Rxc8 33. Qxc8+ Kg7 34. Qd7+ Kf8 35. Qc8+ Kg7 36. Qg8+ Kh6 37. Qf8+ Bg7 38. Qxf5 Qg5 39. Qxg5+ Kxg5 40. Kf2 Kf6 41. Bg8 h5 42. Ke3 Bh6+ 43. Kd3 Bg4 44. b4 Bf5+ 45. Kc4 Be3 46. b5 Bg1 47. h4 Bf2 48. b6 Bxg3 49. b7 Bd7 50. Kc5 Bb8 51. c4 Ke7 52. Kb6 Bg4 53. Bd5 Kd7 54. Be4 Be2 55. c5 Bg4 56. d5 Bh3 57. Bd3 Bg2 58. Bb5+ Kd8 59. Bc6 Bf3 60. d6 Bg4 61. Kb5 Be2+ 62. Kb4 Ba6 63. Kc3 Bxb7 64. Bxb7 Bxd6 65. cxd6 Kd7 66. Kd4 Kxd6 67. Bd5 Ke7 68. Ke5 Kf8 69. Kf6 1-0

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Raijmaekers, Paul PW"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "35"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c3 Nf5 10. a4 Be7 11. Bd3 0-0 12. 0-0 g6 13. Kh1 Re8 14. f4 Ng7 15. fxe5 dxe5 16. d6 Bxd6 17. Bc4 Nf5 18. Bxf7+ 1-0

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Sprinkhuizen, Arno PJ"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "29"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[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. Bxc6 dxc6 5. 0-0 Qd6 6. d4 exd4 7. Nxd4 Bd7 8. Be3 0-0-0 9. Qe2 Nh6 10. f3 g5 11. Nd2 Qg6 12. Nc4 Bg7 13. Nb3 f5 14. Nc5 fxe4 15. Nxb7 1-0

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Van der Drift, AJF"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "C89"]
[PlyCount "63"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[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. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Bxd5 cxd5 16. Qf3 Bf5 17. Qg2 Qg4 18. f3 Qg6 19. Be3 Rac8 20. a3 a5 21. Nd2 b4 22. axb4 axb4 23. Ra6 bxc3 24. bxc3 Rfe8 25. f4 Re6 26. Qxd5 h5 27. Ra8 Rxa8 28. Qxa8+ Kh7 29. Nf3 Be7 30. Ne5 Qf6 31. Qf3 g6 32. d5 1-0

[Event "NED-ch12 corr8284"]
[Site "Netherlands"]
[Date "1982.??.??"]
[Round "?"]
[White "Weyerstrass, Ronald"]
[Black "Helsloot, Jan S"]
[Result "1-0"]
[ECO "A29"]
[PlyCount "101"]
[EventDate "1982.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "Corr Nr. 1"]
[Source "ChessBase"]
[SourceDate "1997.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. d3 Be7 7. Be3 0-0 8. Qc1 f5 9. Nf3 Nc6 10. 0-0 Bf6 11. Bc5 Rf7 12. Rd1 Be6 13. e3 Rd7 14. d4 exd4 15. Nxd4 Nxd4 16. Bxd4 Bxd4 17. Rxd4 Rxd4 18. exd4 c6 19. Qf4 Qd7 20. h4 Rd8 21. Re1 Bf7 22. Bh3 g6 23. Qg5 Re8 24. Rxe8+ Bxe8 25. Ne4 Nd5 26. h5 b6 27. Nf6+ Nxf6 28. Qxf6 Bf7 29. Bg2 c5 30. h6 Qxd4 31. Qe7 a5 32. a4 c4 33. Bf1 Qd1 34. Qf6 Kf8 35. Qxb6 Qd2 36. Bxc4 Qd1+ 37. Kg2 Bd5+ 38. Bxd5 Qxd5+ 39. Kh2 Qd2 40. Qf6+ Ke8 41. Qh8+ Kf7 42. Qxh7+ Kf6 43. Qg7+ Kg5 44. Qe7+ Kxh6 45. Qe3+ Qxe3 46. fxe3 Kg5 47. Kg2 Kg4 48. Kf2 g5 49. b3 f4 50. gxf4 gxf4 51. Ke2 1-0

[Event "NED-ch M92 corr"]
[Site "Netherlands"]
[Date "1981.??.??"]
[Round "?"]
[White "Compagnie, Luc G"]
[Black "Helsloot, Jan S"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "45"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 e5 6. Nxe5 Nxe5 7. dxe5 Qxe5+ 8. Qe2 Qxe2+ 9. Bxe2 Bd6 10. Bf3 Rb8 11. Nd2 Nf6 12. Nc4 Bc7 13. Be3 b6 14. 0-0-0 Be6 15. Bc6+ Ke7 16. Rhe1 Rhd8 17. Na3 Rxd1+ 18. Kxd1 Rd8+ 19. Kc2 Bxh2 20. g3 Ng4 21. Bf4 Nxf2 22. Re2 Bg1 23. Re1 1/2-1/2

