[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "3"]
[White "Ammerlaan, Stefan"]
[Black "Van de Heyden, A."]
[Result "0-1"]
[ECO "B84"]
[PlyCount "86"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Qc7 8. 0-0 Nbd7 9. f4 b5 10. Bf3 Bb7 11. a3 Be7 12. Nb3 Rc8 13. Qe1 0-0 14. g4 Nb6 15. g5 Nfd7 16. Nd2 Rfd8 17. Qg3 Nc4 18. Nxc4 Qxc4 19. Be2 Qc7 20. Bd3 Nc5 21. Qh4 Nxd3 22. cxd3 d5 23. Rf3 g6 24. Bd4 h5 25. Bf6 dxe4 26. Nxe4 Bxe4 27. dxe4 Rd2 28. Bxe7 Qxe7 29. Qe1 Qc5+ 30. Qe3 Qxe3+ 31. Rxe3 Rxb2 32. Rd1 Rcc2 33. Red3 Rg2+ 34. Kf1 Rbf2+ 35. Ke1 Rxf4 36. Rd8+ Kg7 37. Ra8 Rg1+ 38. Ke2 Rxd1 39. Kxd1 Rxe4 40. Rxa6 Ra4 41. Rxa4 bxa4 42. Kd2 f5 43. Kc3 f4 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "6"]
[White "De Jong, Jasper"]
[Black "Van de Heyden, A."]
[Result "1-0"]
[ECO "B42"]
[PlyCount "105"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e6 7. 0-0 Qc7 8. Be3 Be7 9. Qd2 Nbd7 10. Rfe1 b5 11. a3 Bb7 12. Bg5 Rc8 13. Rac1 Nb6 14. Rb1 Nc4 15. Bxc4 Qxc4 16. Bxf6 Bxf6 17. Nf3 Bxc3 18. bxc3 d5 19. Rbd1 0-0 20. exd5 Bxd5 21. Re3 Qc5 22. Ne5 Rfd8 23. Nf3 h6 24. Ne5 Qe7 25. Rd3 f6 26. Ng6 Qe8 27. Nf4 Rc5 28. Re1 Rd6 29. Nxd5 Kf7 30. Nf4 Rxd3 31. Qxd3 Rc6 32. Qg6+ Kf8 33. Qxe8+ Kxe8 34. Rxe6+ Kd7 35. Rxc6 Kxc6 36. Kf1 Kc5 37. Ke2 Kc4 38. Kd2 g5 39. Ne6 a5 40. h3 f5 41. g4 f4 42. Ng7 Kd5 43. Kd3 Ke5 44. Nf5 h5 45. Ng7 hxg4 46. hxg4 Kd5 47. f3 Ke5 48. c4 b4 49. a4 Kd6 50. Kd4 Kc6 51. Ne6 Kd6 52. Nxg5 Kc6 53. Ne6 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Schrevens, Birger"]
[Black "Van de Heyden, A."]
[Result "1-0"]
[ECO "B84"]
[PlyCount "161"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Qc7 8. 0-0 Nbd7 9. Qd2 Be7 10. f3 b5 11. a3 Bb7 12. Qe1 0-0 13. Qg3 Rfd8 14. Rfd1 Rac8 15. Nb3 Nb6 16. Qf2 Nc4 17. Bxc4 Qxc4 18. Na5 Qc7 19. Bb6 Qd7 20. Nxb7 Qxb7 21. Bxd8 Bxd8 22. Kh1 Bb6 23. Qe2 Rd8 24. e5 Ne8 25. exd6 Nxd6 26. Rd2 Nc4 27. Rxd8+ Bxd8 28. b3 Nb6 29. a4 Bf6 30. Qd3 Qc8 31. Rd1 bxa4 32. Nxa4 Nxa4 33. bxa4 g6 34. Qb3 Qc5 35. c4 Kg7 36. Rb1 Be5 37. Qb4 Qc7 38. h3 Bd4 39. Rd1 e5 40. Rc1 Bc5 41. Qc3 Bd4 42. Qd3 Qc5 43. Qe4 Qa3 44. Qc2 Qc5 45. Rd1 h6 46. Qd3 Qb4 47. Qc2 Qc5 48. Rf1 Qc6 49. Rb1 Kh7 50. Rb8 Kg7 51. Rd8 Kh7 52. Qb3 Kg7 53. Qb4 Bc5 54. Qb8 Bd4 55. Rg8+ Kf6 56. Qd8+ Kf5 57. Qc8+ Qxc8 58. Rxc8 a5 59. Rd8 Ke6 60. Rd5 Bb6 61. g3 f6 62. Kg2 f5 63. Kf1 g5 64. Ke2 h5 65. Kd3 Bc7 66. Rb5 Kd6 67. g4 hxg4 68. hxg4 fxg4 69. fxg4 Ke6 70. Ke4 Kd6 71. Rd5+ Kc6 72. Kf5 Kb6 73. Kxg5 e4 74. Rd4 e3 75. Re4 Kc5 76. Rxe3 Kxc4 77. Re4+ Kd5 78. Kf5 Bd8 79. Re2 Kd6 80. Rd2+ Ke7 81. Rxd8 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "Van Dijk, A."]
[Black "Van de Heyden, A."]
[Result "0-1"]
[ECO "B21"]
[PlyCount "90"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qe3 d6 5. Bd3 Nf6 6. Bd2 a6 7. Nf3 Qc7 8. h3 e6 9. Nc3 Be7 10. 0-0 b5 11. Rfe1 Nd7 12. Ne2 Bb7 13. Bc3 0-0 14. Ned4 Nce5 15. Re2 Rac8 16. Nxe5 dxe5 17. Nf3 h6 18. a3 Rfd8 19. Rd1 Bc5 20. Qd2 Bxa3 21. Ra1 Be7 22. Ba5 Nb6 23. Nxe5 Qxe5 24. Bxb6 Qxb2 25. Ree1 Rd6 26. Reb1 Qc3 27. Qxc3 Rxc3 28. Ba5 Rc8 29. Bb4 Rd7 30. Bd2 Bf6 31. Ra2 Bc3 32. Bxc3 Rxc3 33. Rb3 Rxb3 34. f3 Rc3 35. Kf2 e5 36. Ke3 b4 37. Rb2 a5 38. Kd2 Ba6 39. Rb1 Bxd3 40. cxd3 Rdxd3+ 41. Ke2 Rd4 42. Rb2 a4 43. Kf2 a3 44. Ra2 Rb3 45. g3 Rb2+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "9"]
[White "Van de Heyden, A."]
[Black "Brinks, Jan Willem"]
[Result "1-0"]
[ECO "A87"]
[PlyCount "88"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 g6 5. c4 Bg7 6. Nc3 e6 7. 0-0 0-0 8. Re1 Re8 9. e4 fxe4 10. Nxe4 Nbd7 11. Nc3 Rb8 12. b4 b6 13. Bb2 Bb7 14. Rc1 Bh6 15. Rc2 Nf8 16. a4 Qd7 17. Ba3 Bc6 18. Rce2 Bb7 19. b5 a5 20. c5 dxc5 21. dxc5 Qxd1 22. Rxd1 Rbd8 23. Ree1 Bd5 24. Nd4 Bxg2 25. Kxg2 e5 26. Nc6 Rxd1 27. Rxd1 e4 28. cxb6 cxb6 29. Be7 N8d7 30. Nxe4 Nxe4 31. Rxd7 Bg5 32. f3 Bxe7 33. Nxe7+ Kf8 34. fxe4 Rxe7 35. Rxe7 Kxe7 36. Kf3 Kf6 37. Ke3 Ke5 38. g4 g5 39. h3 h6 40. Kd3 Kd6 41. Kd4 Ke6 42. e5 Kd7 43. Kd5 Ke7 44. e6 Kd8 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "5"]
[White "Van de Heyden, A."]
[Black "Muris, Saskia"]
[Result "1/2-1/2"]
[ECO "E50"]
[PlyCount "51"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 c5 2. e3 e6 3. c4 Nf6 4. Nc3 cxd4 5. exd4 Bb4 6. Bd3 Nc6 7. Nf3 0-0 8. 0-0 Bxc3 9. bxc3 b6 10. Ba3 Re8 11. Bd6 Bb7 12. Re1 Ne7 13. Nd2 Qc8 14. f3 Qc6 15. Ne4 Nxe4 16. Bxe4 Qxd6 17. Bxb7 Rab8 18. Be4 Qc7 19. Bd3 Ng6 20. Qc2 Rbc8 21. Re3 d5 22. Bxg6 hxg6 23. cxd5 exd5 24. Rae1 Rxe3 25. Rxe3 Qc4 26. Qb3 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "4"]
[White "Van de Heyden, A."]
[Black "Stellwagen, Daniel"]
[Result "0-1"]
[ECO "E88"]
[PlyCount "74"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. 0-0-0 b5 11. Kb1 Nbd7 12. Nge2 Nb6 13. b3 Bd7 14. Nc1 b4 15. N3e2 a5 16. Nd3 Qc7 17. Nb2 a4 18. Bxb6 Qxb6 19. Nc4 Qa7 20. Nc1 axb3 21. Nxb3 Bh6 22. Qb2 Ne8 23. Bd3 f5 24. Rhf1 Bg7 25. Bc2 Bb5 26. Nbd2 Qa6 27. Bb3 Bh6 28. Rfe1 fxe4 29. Rxe4 Nf6 30. Ree1 Kh8 31. Ne3 Bd3+ 32. Ka1 Bg7 33. Bc2 e4 34. Bxd3 exd3 35. Qb3 Nxd5+ 36. Kb1 Nc3+ 37. Kc1 Nxa2+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "2"]
[White "Van de Heyden, A."]
[Black "Stotyn, Fabian"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "71"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Bg4 4. c4 e6 5. Nc3 Nf6 6. e3 Ne4 7. a3 Nxc3 8. bxc3 Be7 9. Bd3 Bd6 10. cxd5 exd5 11. Bg3 Qf6 12. e4 dxe4 13. Bxe4 0-0 14. 0-0 Qh6 15. Qb1 Rab8 16. Re1 f5 17. Bd5+ Kh8 18. Re6 Qh5 19. Bxd6 cxd6 20. Rxd6 a6 21. Rd7 Qg6 22. Rxb7 Rxb7 23. Qxb7 Bh3 24. Ne1 Nd8 25. Qb4 Re8 26. Kf1 Bg4 27. Bf3 h5 28. h3 Bxf3 29. Nxf3 f4 30. Qb1 Qc6 31. Qd3 Nf7 32. Re1 Rc8 33. Ne5 Nxe5 34. Rxe5 Qh6 35. Qf5 Rxc3 36. Re8# 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "7"]
[White "Van de Heyden, A."]
[Black "Van Houten, Myrette"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "54"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 b6 7. cxd5 exd5 8. Bd3 c5 9. 0-0 Bxc3 10. bxc3 c4 11. Bc2 Qc7 12. Bf4 Qc6 13. Nd2 Qe6 14. Re1 Ne4 15. Nxe4 dxe4 16. d5 Qg6 17. Qd4 Nc5 18. Qxc4 0-0 19. Qd4 Bh3 20. Bg3 Bf5 21. c4 Rfd8 22. Qc3 Nd3 23. Bxd3 exd3 24. f3 Rac8 25. e4 Bd7 26. Qxd3 Bc6 27. Qd4 a6 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "8"]
[White "Hommes, Wouter"]
[Black "Van de Heyden, A."]
[Result "1/2-1/2"]
[ECO "A04"]
[PlyCount "29"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. d3 d6 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Rb8 7. Nc3 e6 8. Nh4 Bd7 9. f4 a6 10. Rb1 Nge7 11. Bh3 Qc8 12. Bd2 b5 13. Ne2 a5 14. Qe1 Qa6 15. a3 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "2"]
[White "Hoogeboom, Arthur"]
[Black "Van de Heyden, A."]
[Result "0-1"]
[ECO "B51"]
[PlyCount "48"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Nxd4 a6 6. Ba4 Ngf6 7. Nc3 e6 8. 0-0 Be7 9. Be3 0-0 10. f4 Qc7 11. Bb3 Nc5 12. Qf3 b5 13. f5 b4 14. Na4 e5 15. Ne2 Nxa4 16. Bxa4 Bb7 17. Ng3 d5 18. exd5 Bxd5 19. Qd1 Rfd8 20. Qe1 Ng4 21. Bd2 Bc5+ 22. Kh1 Qb7 23. Qe2 Bxg2+ 24. Qxg2 Rxd2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "6"]
[White "Molinari, Gabriel"]
[Black "Van de Heyden, A."]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "66"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. f4 Bg7 6. e5 d5 7. exd6 Qxd6 8. Ne4 Qe7 9. d3 Bd7 10. Be3 b6 11. c3 Rb8 12. Ne2 Nf6 13. Ng5 h6 14. Nf3 0-0 15. d4 Nd5 16. Bf2 c4 17. Ne5 b5 18. 0-0 a5 19. g4 Rfd8 20. Qe1 Be8 21. Be4 Kh7 22. Bg3 f6 23. Bxg6+ Kh8 24. Bxe8 Qxe8 25. Nxc6 Qxc6 26. Qc1 f5 27. Bh4 Rd7 28. g5 b4 29. Rf2 bxc3 30. bxc3 Qb6 31. Ng3 Nxc3 32. Qxc3 Bxd4 33. Qe1 Bxf2+ 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "3"]
[White "Van de Heyden, A."]
[Black "Amesz, Jaap"]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "59"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 a6 4. e3 Nf6 5. Nc3 e6 6. Bd2 Bd6 7. Rc1 Nbd7 8. Bd3 0-0 9. Qc2 b5 10. cxd5 cxd5 11. e4 dxe4 12. Nxe4 Be7 13. 0-0 Bb7 14. Rfe1 Nxe4 15. Bxe4 Bxe4 16. Qxe4 Nf6 17. Qe2 Qd5 18. a3 Rfc8 19. Qe5 Bd6 20. Qe3 Ng4 21. Qg5 Nf6 22. Bf4 Qxg5 23. Bxg5 Nd5 24. Nd2 Bf4 25. Bxf4 Nxf4 26. Rc3 Rxc3 27. bxc3 Rc8 28. Ne4 Rc4 29. Kf1 Nd5 30. Rc1 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "1"]
[White "Van de Heyden, A."]
[Black "Kreijkes, D."]
[Result "1-0"]
[ECO "D12"]
[PlyCount "117"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Bd2 Bb4 7. a3 Bxc3 8. Bxc3 Ne4 9. Rc1 0-0 10. Bd3 Nxc3 11. Rxc3 Bxd3 12. Qxd3 dxc4 13. Rxc4 b6 14. Ne5 f6 15. Nf3 Qd5 16. e4 Qd8 17. 0-0 c5 18. Rd1 Nc6 19. Qc2 Nxd4 20. Nxd4 cxd4 21. Rdxd4 Qe8 22. Rc7 Rc8 23. Rdc4 Rxc7 24. Rxc7 Qb8 25. Qc6 Rd8 26. Qxe6+ Kh8 27. Rd7 Qc8 28. Rxd8+ Qxd8 29. Qd5 Qxd5 30. exd5 Kg8 31. Kf1 Kf7 32. Ke2 Ke7 33. Kd3 Kd6 34. Kd4 a5 35. a4 h5 36. f4 Kd7 37. Kc4 Kd6 38. Kb5 Kxd5 39. Kxb6 Ke4 40. Kxa5 Kxf4 41. Kb4 Ke3 42. a5 Kf2 43. a6 Kxg2 44. a7 Kxh2 45. a8Q g5 46. Qf3 g4 47. Qf2+ Kh3 48. Qxf6 g3 49. Qf3 h4 50. Qh1+ Kg4 51. Kc3 h3 52. Qe4+ Kg5 53. Qf3 g2 54. Qf2 Kg4 55. b4 Kg5 56. b5 g1Q 57. Qxg1+ Kh4 58. b6 Kh5 59. b7 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "5"]
[White "Van de Heyden, A."]
[Black "Tersteeg, L."]
[Result "1-0"]
[ECO "D53"]
[PlyCount "103"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 Nc6 7. Rc1 b6 8. Qc2 h6 9. Bh4 Nb4 10. Qb1 c5 11. a3 cxd4 12. Nxd4 e5 13. Ndb5 d4 14. Rd1 Nc6 15. exd4 exd4 16. b4 a6 17. Nxd4 Nxd4 18. Ne2 Bf5 19. Rxd4 Bxb1 20. Rxd8 Rfxd8 21. Nc3 Bg6 22. Be2 Bd3 23. f3 a5 24. Na2 Bxe2 25. Kxe2 axb4 26. Nxb4 Bxb4 27. axb4 Ra2+ 28. Ke3 Re8+ 29. Kd4 Rxg2 30. Bg3 Rge2 31. c5 bxc5+ 32. bxc5 Nh5 33. Bd6 Re1 34. Rxe1 Rxe1 35. c6 Rc1 36. c7 Nf6 37. Bc5 Rd1+ 38. Kc4 Rc1+ 39. Kb5 Rb1+ 40. Kc6 Rd1 41. c8Q+ Kh7 42. Qf5+ Kg8 43. Qc2 Rd8 44. Kc7 Re8 45. Qf5 Ra8 46. Bd4 Ne8+ 47. Kd7 Kf8 48. Qh7 f6 49. Qg6 Rb8 50. Qe4 Kg8 51. Bf2 Rc8 52. Qe6+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "7"]
[White "Van de Heyden, A."]
[Black "Van Ruitenburg, Joost"]
[Result "0-1"]
[ECO "A84"]
[PlyCount "74"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Bd6 5. Nf3 f5 6. Qc2 Nf6 7. a3 Ne4 8. b4 Nd7 9. Bb2 Ndf6 10. Bd3 0-0 11. 0-0 Qe8 12. Ne5 Qh5 13. Be2 Qh4 14. f3 Nxc3 15. Bxc3 dxc4 16. Be1 Qh6 17. f4 Bxe5 18. dxe5 Nd5 19. Rf3 Qg6 20. Qxc4 Qe8 21. Rd1 b6 22. Rh3 Qe7 23. Bh4 Qc7 24. Rd3 a5 25. b5 cxb5 26. Qxc7 Nxc7 27. Rd8 Rxd8 28. Bxd8 Nd5 29. Bxb5 Ba6 30. Bxa6 Rxa6 31. Rf3 Ra8 32. Bh4 b5 33. Be1 b4 34. Kf2 b3 35. e4 a4 36. Bc3 Nxc3 37. Rxc3 b2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "9"]
[White "Van de Heyden, A."]
[Black "Visschedijk, Marijn"]
[Result "1/2-1/2"]
[ECO "D58"]
[PlyCount "39"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bh4 b6 8. Rc1 Bb7 9. Bd3 Nbd7 10. cxd5 exd5 11. Qc2 c5 12. 0-0 Rc8 13. Rfe1 Re8 14. Qb1 Nf8 15. Ne5 Ne6 16. Bf5 Nd7 17. Nxf7 Kxf7 18. Bg6+ Kg8 19. Bxe8 Qxe8 20. Bxe7 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "4"]
[White "Wolbers, Joan"]
[Black "Van de Heyden, A."]
[Result "1-0"]
[ECO "A13"]
[PlyCount "69"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. Bb2 Nf6 4. e3 e6 5. c4 Bd6 6. cxd5 exd5 7. d4 b6 8. Be2 0-0 9. 0-0 Bb7 10. Nbd2 Nbd7 11. Rc1 Qe7 12. Qc2 Rac8 13. Qb1 Rfe8 14. Nh4 Ne4 15. Nf5 Qe6 16. Nxe4 dxe4 17. Nxg7 Qh6 18. Nh5 Ba6 19. Bxa6 Qxh5 20. h3 Rc7 21. Bc4 Nf8 22. Rc2 Ne6 23. dxc5 bxc5 24. Qd1 Qxd1 25. Rxd1 Bf8 26. Be5 Rcc8 27. Bb5 Red8 28. Rcd2 Be7 29. Rd7 Nf8 30. Rxd8 Rxd8 31. Rxd8 Bxd8 32. Bc6 Ng6 33. Bd6 Ne7 34. Bxe4 Ng6 35. Bxc5 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "11"]
[White "Harinck, Albert Jos"]
[Black "Van de Heyden, A."]
[Result "0-1"]
[ECO "B84"]
[PlyCount "98"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Be7 8. 0-0 Qc7 9. f4 Nbd7 10. Kh1 0-0 11. Bf3 Rb8 12. Qe1 b5 13. a3 Bb7 14. f5 exf5 15. Nxf5 Ne5 16. Qg3 Ne8 17. Rad1 Bf6 18. Bf4 Ng6 19. Bxd6 Nxd6 20. Qxd6 Qc4 21. Qd3 Ne5 22. Qe3 Rfd8 23. Nd6 Rxd6 24. Rxd6 Qxf1+ 25. Qg1 Qxg1+ 26. Kxg1 Nxf3+ 27. gxf3 Rd8 28. Rxd8+ Bxd8 29. Kf2 f6 30. Ke3 Kf7 31. Nd5 Bxd5 32. exd5 Ke7 33. b3 Bc7 34. h3 g6 35. c4 Kd6 36. Kd4 Bb6+ 37. Kd3 Ke5 38. b4 bxc4+ 39. Kxc4 Kf4 40. b5 a5 41. a4 Kxf3 42. d6 Ke4 43. d7 f5 44. d8Q Bxd8 45. Kc5 f4 46. b6 Bxb6+ 47. Kxb6 f3 48. Kxa5 f2 49. Kb6 f1Q 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "8"]
[White "Koelman, R."]
[Black "Van de Heyden, A."]
[Result "0-1"]
[ECO "B50"]
[PlyCount "70"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 4. Nc3 Nf6 5. d3 e6 6. Be3 Be7 7. 0-0 0-0 8. Qe2 a6 9. a4 Qc7 10. Rad1 Rd8 11. d4 cxd4 12. Nxd4 b6 13. Nxc6 Qxc6 14. f3 Bb7 15. b4 Rac8 16. Rd4 e5 17. b5 axb5 18. axb5 Qc7 19. Nd5 Nxd5 20. Bxd5 exd4 21. Bxb7 Qxb7 22. Bxd4 d5 23. Rd1 dxe4 24. fxe4 Bc5 25. Bxc5 Rxd1+ 26. Qxd1 bxc5 27. Qd3 c4 28. Qd6 Qxe4 29. h3 Qxc2 30. Qd7 Qc1+ 31. Kh2 Qf4+ 32. g3 Qc7 33. Qd5 c3 34. Qd4 c2 35. b6 Qc6 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "7"]
[White "Muhren, Willem"]
[Black "Van de Heyden, A."]
[Result "1-0"]
[ECO "B80"]
[PlyCount "91"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 Be7 8. Qd2 Qc7 9. Be2 0-0 10. 0-0-0 b5 11. g4 Nbd7 12. g5 Ne8 13. f4 Nc5 14. Bf3 b4 15. Nb1 Rb8 16. f5 a5 17. Rhg1 a4 18. f6 Bd8 19. c3 e5 20. Ne2 Be6 21. Bxc5 Qxc5 22. a3 Ba2 23. axb4 Rxb4 24. Qd3 Bxb1 25. Kxb1 Rb3 26. Nc1 Rb5 27. Be2 Rb7 28. Qd5 Qb6 29. Qa2 Ra7 30. Qa3 Rb7 31. Qa2 Ra7 32. Qa3 Rb7 33. h4 g6 34. h5 Qc6 35. Bd3 Ba5 36. Ne2 Rb3 37. Qa2 Bxc3 38. Rc1 Rxb2+ 39. Qxb2 Bxb2 40. Rxc6 a3 41. Rc8 gxh5 42. Bb5 Ng7 43. fxg7 Kxg7 44. Ka2 Kg6 45. Bd7 Kg7 46. Bf5 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "4"]
[White "Van Beek, Guido"]
[Black "Van de Heyden, A."]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "1735"]
[PlyCount "35"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e6 7. Be3 Be7 8. Be2 Qc7 9. 0-0 b6 10. f4 Nc6 11. Nxc6 Qxc6 12. Bf3 e5 13. fxe5 dxe5 14. Nd5 Bc5 15. Nxf6+ gxf6 16. Bxc5 Qxc5+ 17. Kh1 Bb7 18. Qe2 1/2-1/2

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "2"]
[White "Van Deurzen, Ties"]
[Black "Van de Heyden, A."]
[Result "0-1"]
[ECO "B22"]
[PlyCount "52"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. f3 e6 4. d4 cxd4 5. cxd4 Nc6 6. Be3 b6 7. Nd2 Be7 8. Bd3 0-0 9. Ne2 d5 10. e5 Ne8 11. Qc2 Nb4 12. Qc3 Nxd3+ 13. Qxd3 f6 14. exf6 Rxf6 15. Bg5 Rg6 16. Bxe7 Qxe7 17. g3 Bb7 18. Rc1 Rc8 19. Rxc8 Bxc8 20. Qe3 Nd6 21. Nf4 Rg5 22. Rg1 Nf5 23. Qf2 Ba6 24. h4 Nxh4 25. gxh4 Rxg1+ 26. Qxg1 Qxh4+ 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "12"]
[White "Van Duijvenbode, Harrie"]
[Black "Van de Heyden, A."]
[Result "1-0"]
[ECO "B21"]
[PlyCount "63"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bb5 a6 7. Bxc6+ bxc6 8. 0-0 e5 9. Qd3 Be7 10. Rd1 Nf6 11. Qc2 0-0 12. Nxe5 Qc7 13. Nf3 Be6 14. Bf4 Rfd8 15. Nd5 Bxd5 16. exd5 c5 17. b4 Rac8 18. a3 Qb6 19. Be3 Ng4 20. bxc5 dxc5 21. Bg5 Re8 22. Bxe7 Rxe7 23. Qf5 Rd8 24. Qxg4 h6 25. Re1 Rxe1+ 26. Rxe1 Rxd5 27. Re8+ Kh7 28. Qe4+ Qg6 29. Qxd5 Qb6 30. Qf5+ Qg6 31. Qxg6+ Kxg6 32. Rc8 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "10"]
[White "Van de Heyden, A."]
[Black "Erwich, Frank"]
[Result "0-1"]
[ECO "A58"]
[BlackElo "1705"]
[PlyCount "58"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. Nxb5 Ba6 7. Nc3 d6 8. Nf3 g6 9. g3 Bg7 10. Bg2 0-0 11. 0-0 Nbd7 12. Re1 Qc7 13. e4 Ng4 14. Bf4 Rfb8 15. Qc2 Nge5 16. Nxe5 Bxe5 17. Bxe5 Nxe5 18. b3 c4 19. Re3 cxb3 20. axb3 Bd3 21. Qc1 Rxa1 22. Qxa1 Rxb3 23. Qa8+ Rb8 24. Qa3 Nc4 25. Qa6 Nxe3 26. Qxd3 Nxg2 27. Ne2 Ne1 28. Qd1 Nf3+ 29. Kg2 Ne5 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "3"]
[White "Van de Heyden, A."]
[Black "Muris, Saskia"]
[Result "1-0"]
[ECO "D56"]
[PlyCount "67"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Nc6 8. Rc1 Bd7 9. a3 a5 10. Bd3 Re8 11. 0-0 Ng4 12. Bxe7 Qxe7 13. Qc2 Nf6 14. e4 dxe4 15. Nxe4 Kh8 16. Rfe1 Rad8 17. Qc3 Nxe4 18. Bxe4 Qd6 19. Ne5 Rf8 20. Rcd1 b6 21. Nxc6 Bxc6 22. Rd3 Bxe4 23. Rxe4 c5 24. d5 f5 25. Rxe6 Qf4 26. Rg6 Rg8 27. Rf3 Kh7 28. Rxg7+ Rxg7 29. Rxf4 Rdg8 30. g3 Rf8 31. Qd3 Rgf7 32. g4 Rg7 33. Kf1 Rxg4 34. Rxg4 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "9"]
[White "Van de Heyden, A."]
[Black "Roth, M."]
[Result "1-0"]
[ECO "D07"]
[PlyCount "57"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nf3 Nc6 5. e4 Nf6 6. Nc3 Bg4 7. Be3 e6 8. Bb5 Bb4 9. Bxc6+ bxc6 10. Qd3 Bxc3+ 11. Qxc3 Qd7 12. Qc2 Bxf3 13. gxf3 0-0 14. Rg1 Kh8 15. Rg3 Rae8 16. 0-0-0 g6 17. Qc5 Qd6 18. Bh6 Qxc5+ 19. dxc5 Rg8 20. h4 Nh5 21. Rg4 Rd8 22. Rd2 Rge8 23. e5 Rd5 24. Rgd4 Red8 25. Rxd5 Rxd5 26. Rxd5 cxd5 27. Kd2 c6 28. b4 f6 29. b5 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "1"]
[White "Van de Heyden, A."]
[Black "Van Dijk, Martin"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "81"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. Nf3 Nc6 5. e4 Nf6 6. Nc3 Bg4 7. Be3 Bxf3 8. gxf3 e5 9. d5 Ne7 10. Bc4 c6 11. dxc6 Nxc6 12. Qd3 Qxd3 13. Bxd3 Nb4 14. Bb5+ Nc6 15. 0-0-0 a6 16. Ba4 b5 17. Bb3 Rd8 18. Nd5 Nxd5 19. Bxd5 Rc8 20. Kb1 Ne7 21. Bb7 Rb8 22. Bxa6 g6 23. Rd2 Bg7 24. Rhd1 0-0 25. Bc5 Bf6 26. Rd6 Bh4 27. Rb6 Rxb6 28. Bxb6 Ra8 29. Bxb5 Rb8 30. Rd8+ Rxd8 31. Bxd8 Kf8 32. Bb6 Nc8 33. Bc5+ Ne7 34. a4 f5 35. a5 Kf7 36. a6 Nc8 37. a7 Nxa7 38. Bxa7 Be7 39. Kc2 Bg5 40. Bc5 Bf4 41. h3 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "6"]
[White "Van de Heyden, A."]
[Black "Vinck, Martin"]
[Result "1/2-1/2"]
[ECO "A43"]
[PlyCount "45"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 c5 2. Nf3 cxd4 3. Nxd4 d5 4. Bf4 Nc6 5. e3 Nxd4 6. exd4 e6 7. Bd3 Nf6 8. 0-0 Bd7 9. Nc3 Be7 10. Qf3 0-0 11. Rfe1 a6 12. Re3 Qc8 13. Rae1 b5 14. a3 Kh8 15. Na2 e5 16. Rxe5 Bg4 17. Qe3 Bd6 18. f3 Bxe5 19. Bxe5 Bf5 20. Bxf6 gxf6 21. Qh6 Bxd3 22. Qxf6+ Kg8 23. cxd3 1/2-1/2

