[Event "Leiden Noteboom Memorial 78th"]
[Site "Leiden"]
[Date "2018.02.17"]
[Round "3"]
[White "Pruijssers, Roeland"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2523"]
[BlackElo "2219"]
[PlyCount "58"]
[EventDate "2018.02.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nc3 d6 5. e3 Be7 6. Nge2 h5 7. h3 Bf5 8. e4 Be6 9. d3 a6 10. 0-0 b5 11. b3 Qd7 12. Kh2 h4 13. g4 g5 14. cxb5 axb5 15. d4 Qb7 16. d5 cxd5 17. exd5 Bd7 18. Be3 b4 19. Ne4 Nxe4 20. Bxe4 Na6 21. Qd2 f6 22. Nc1 Bd8 23. Nd3 Bb6 24. Bxg5 fxg5 25. Qxg5 Bb5 26. Qf6 Rf8 27. Qxd6 Bxd3 28. Bxd3 e4 29. Bxe4 Rd8 1-0

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.07"]
[Round "5"]
[White "Blees, Albert"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2399"]
[BlackElo "2232"]
[PlyCount "93"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d6 3. Nc3 e5 4. g3 c6 5. Bg2 a6 6. 0-0 b5 7. d4 Nbd7 8. Qb3 b4 9. Na4 Rb8 10. Rd1 e4 11. Ng5 d5 12. cxd5 cxd5 13. Bf4 Rb5 14. Rac1 h6 15. Nh3 g5 16. Bc7 Qe7 17. f3 Bg7 18. Nf2 0-0 19. fxe4 dxe4 20. Rc6 Re8 21. Bd6 Qd8 22. Bc7 Qe7 23. Bd6 Qd8 24. Be5 Bb7 25. Rd6 Qe7 26. Bh3 Nxe5 27. dxe5 Qxe5 28. Ng4 Nxg4 29. Bxg4 Bc8 30. Bxc8 Rxc8 31. Rd8+ Rxd8 32. Rxd8+ Bf8 33. Qc4 Kg7 34. Qc8 Bc5+ 35. Kg2 Be3 36. Rh8 Kg6 37. Qf8 g4 38. Rg8+ Kf6 39. Rxg4 Qf5 40. Qd6+ Qe6 41. Qd8+ Kf5 42. Rg8 Bg5 43. Qc7 e3 44. h4 Qe4+ 45. Kh2 Bf6 46. g4+ Qxg4 47. Qd7+ 1-0

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.06"]
[Round "4"]
[White "Kerstens, Dennis"]
[Black "Lai, Hing Ting"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2232"]
[BlackElo "2319"]
[PlyCount "43"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 b5 6. Bd3 Nd7 7. e5 c5 8. Ng5 Nh6 9. Be4 Rb8 10. e6 Nf6 11. Bc6+ Kf8 12. f5 cxd4 13. Nd5 Nxd5 14. Bxd5 Qa5+ 15. Bd2 b4 16. Qf3 Rb5 17. fxg6 Rxd5 18. Nxh7+ Rxh7 19. Bxh6 Rf5 20. gxh7 Qe5+ 21. Kd1 Bxh6 22. Qxf5 1-0

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.06"]
[Round "2"]
[White "Kerstens, Dennis"]
[Black "Pijpers, Arthur"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2232"]
[BlackElo "2476"]
[PlyCount "52"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. e5 Nfd7 7. c3 Nc6 8. 0-0 a5 9. h4 cxd4 10. cxd4 Qb6 11. Qa4 Qb4 12. Qc2 Nxd4 13. Nxd4 Qxd4 14. Nf3 Qg4 15. Bd2 h6 16. Bxa5 g5 17. Rfc1 Kf8 18. Bb5 Nc5 19. Bb6 Ne4 20. Nh2 Qf4 21. Be3 Qxe5 22. Nf3 Qd6 23. Bd3 Nf6 24. hxg5 hxg5 25. Bxg5 e5 26. Qd2 e4 1/2-1/2

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.06"]
[Round "3"]
[White "Van der Werf, Mark"]
[Black "Kerstens, Dennis"]
[Result "1/2-1/2"]
[ECO "A55"]
[WhiteElo "2416"]
[BlackElo "2232"]
[PlyCount "69"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. Nc3 e5 5. e4 Be7 6. Be2 0-0 7. 0-0 c6 8. Be3 Re8 9. d5 c5 10. a3 Nh5 11. Ne1 Nf4 12. Bf3 a6 13. g3 Nh3+ 14. Kh1 Bg5 15. Bxg5 Qxg5 16. b4 b6 17. Bg2 Nf6 18. Nf3 Qh6 19. Nh4 Nf4 20. Bf3 Ng6 21. Ng2 Bh3 22. Qc1 Bxg2+ 23. Kxg2 Qxc1 24. Rfxc1 h5 25. Rab1 Rab8 26. Rb2 Nf8 27. Bd1 Rec8 28. bxc5 bxc5 29. Rcb1 N8d7 30. Ba4 Rxb2 31. Rxb2 Rb8 32. Rxb8+ Nxb8 33. f3 Nbd7 34. Bxd7 Nxd7 35. Na4 1/2-1/2

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.15"]
[Round "5"]
[White "Kerstens, Dennis"]
[Black "Termeulen, Albert"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2225"]
[BlackElo "2126"]
[PlyCount "29"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. e5 Nfd7 6. e6 fxe6 7. Nf3 0-0 8. Ng5 Nb6 9. Bd3 Nc6 10. h4 e5 11. h5 exf4 12. hxg6 e5 13. Qh5 Rf5 14. Bxf5 Bxf5 15. gxh7+ 1-0

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.15"]
[Round "6"]
[White "Wantola, Ivo"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "2372"]
[BlackElo "2225"]
[PlyCount "53"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nd7 3. c4 e5 4. e4 Ngf6 5. Nc3 Be7 6. Be2 0-0 7. 0-0 Re8 8. Re1 Bf8 9. Bf1 c6 10. g3 a6 11. a4 a5 12. d5 Nc5 13. Bg2 Qb6 14. Ra3 Ng4 15. Qc2 f5 16. h3 fxe4 17. Ng5 Nd3 18. Bxe4 Qxf2+ 19. Qxf2 Ngxf2 20. Bxh7+ Kh8 21. Bg6 Bxh3 22. Re2 Rec8 23. Be3 Bg4 24. Rd2 cxd5 25. Bxf2 dxc4 26. Be3 d5 27. Rh2+ 1-0

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.14"]
[Round "3"]
[White "Kerstens, Dennis"]
[Black "Hopman, Pieter"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2225"]
[BlackElo "2390"]
[PlyCount "80"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 Be6 7. 0-0-0+ Kc8 8. Bxf6 gxf6 9. g3 Bc5 10. Nd5 c6 11. Nxf6 h5 12. Be2 Bxf2 13. Nf3 Rh6 14. Ne8 Nd7 15. Kb1 Rh8 16. Nd6+ Kc7 17. Ng5 h4 18. g4 Rhg8 19. Ndxf7 Bxf7 20. Nxf7 Be3 21. Bc4 Bf4 22. b4 Nf6 23. Be6 Rae8 24. Rd6 Rg7 25. g5 Nxe4 26. Rd7+ Kb6 27. Bf5 Nxg5 28. Rxb7+ Ka6 29. Bd3+ Kxb7 30. Nd6+ Kb6 31. Nxe8 Rd7 32. Nf6 Rd4 33. a3 e4 34. Be2 Rd2 35. Re1 Bxh2 36. Bg4 Bg3 37. Re3 Bf2 38. Rxe4 Nxe4 39. Nxe4 Rd4 40. Nxf2 Rf4 0-1

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.14"]
[Round "4"]
[White "Van Leent, Dmitri"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2180"]
[BlackElo "2225"]
[PlyCount "76"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Be7 4. Nc3 0-0 5. e3 c6 6. d4 d6 7. Nge2 Be6 8. d5 Bf5 9. dxc6 bxc6 10. 0-0 Qc8 11. b3 Bh3 12. e4 a5 13. Bg5 Bxg2 14. Kxg2 Nbd7 15. Na4 Qb7 16. Nec3 Rfd8 17. Qe2 Nf8 18. f3 Ne6 19. Be3 Nd4 20. Bxd4 exd4 21. Nd1 Re8 22. Nf2 Nd7 23. Qd2 d5 24. exd5 cxd5 25. Rac1 Ba3 26. Rcd1 dxc4 27. Qxd4 Ne5 28. Qd5 Qc7 29. Rfe1 c3 30. Rxe5 Qxe5 31. Qxe5 Rxe5 32. Nxc3 Rc8 33. Rd3 Bb4 34. Nce4 f5 35. Ng5 h6 36. Ngh3 Re2 37. g4 Rcc2 38. gxf5 Be1 0-1

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.13"]
[Round "1"]
[White "Kerstens, Dennis"]
[Black "De Jong, Jan Willem"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2225"]
[BlackElo "2459"]
[PlyCount "75"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. Nd2 a5 9. c4 Nb6 10. Qe4 Qe6 11. Bd3 Ba6 12. 0-0 g6 13. b3 Bg7 14. Ba3 d5 15. exd6 Qxe4 16. Bxe4 Kd7 17. Rac1 cxd6 18. Bxd6 Kxd6 19. c5+ Ke6 20. cxb6 Bxf1 21. Rxc6+ Ke5 22. Rc5+ Kd4 23. Rd5+ Kc3 24. Nxf1 Bd4 25. b7 Rae8 26. Ng3 f5 27. Ne2+ Kb2 28. Bf3 Bb6 29. Rd2+ Ka3 30. Kf1 Rd8 31. Bd5 Rd7 32. Nc3 Rhd8 33. Rc2 Kb4 34. Bc6 Ba7 35. Nb5 Rd1+ 36. Ke2 R1d4 37. Nxa7 a4 38. Nc8 1-0

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Bakker, Sven"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "2140"]
[BlackElo "2145"]
[PlyCount "72"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 Nbd7 4. Bg2 e5 5. c4 Be7 6. Nc3 0-0 7. 0-0 c6 8. b3 Re8 9. e4 Bf8 10. Qc2 a6 11. Rd1 Qc7 12. Bb2 Rb8 13. Rac1 b5 14. cxb5 axb5 15. Nd5 Nxd5 16. exd5 c5 17. dxe5 dxe5 18. Ng5 g6 19. f4 Bh6 20. Ne4 c4 21. Rf1 Bb7 22. Rcd1 f5 23. fxe5 fxe4 24. e6 Ne5 25. Bxe4 Qc5+ 26. Kh1 Nd3 27. Rxd3 Rxe6 28. Bg2 Re7 29. Rdd1 Rd8 30. bxc4 bxc4 31. d6 Red7 32. Bxb7 Rxb7 33. Bd4 Qd5+ 34. Kg1 Rbd7 35. Qf2 Rxd6 36. Qe3 R6d7 0-1

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Blokhuis, Jeroen"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2205"]
[BlackElo "2145"]
[PlyCount "98"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 Bb6 7. a4 a5 8. Bg5 h6 9. Bh4 d6 10. Bxc6 bxc6 11. dxe5 dxe5 12. Qxd8 Rxd8 13. Re1 Re8 14. Bxf6 gxf6 15. Nbd2 Be6 16. Nf1 Bc5 17. N3d2 Reb8 18. Reb1 Rb6 19. Ne3 Bxe3 20. fxe3 c5 21. b3 Rd8 22. Nc4 Bxc4 23. bxc4 Rd3 24. Rb5 Rxc3 25. Rxc5 Rb2 26. Rxa5 Rxc4 27. Rb5 Re2 28. a5 Rcc2 29. Kh1 Ra2 30. Rbb1 Rxg2 31. Rxa2 Rxa2 32. Rb5 Ra3 33. Rc5 Rxe3 34. a6 Ra3 35. Rc6 Kg7 36. Kg2 Kg6 37. Kf2 Kg5 38. Rxc7 Rxa6 39. Rxf7 Kf4 40. Rh7 Ra2+ 41. Kg1 Kxe4 42. Rxh6 f5 43. h4 f4 44. Rf6 f3 45. h5 Rg2+ 46. Kf1 Rh2 47. h6 Ke3 48. Kg1 Rh5 49. Rg6 f2+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Duijker, Rick"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "B16"]
[BlackElo "2145"]
[PlyCount "57"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 c6 3. d4 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Bc4 Bf5 7. Bf4 Nd7 8. Nf3 Qb6 9. Bb3 0-0-0 10. 0-0 e5 11. dxe5 fxe5 12. Nxe5 Nxe5 13. Qh5 Bg6 14. Qxe5 Bd6 15. Qe3 Bc5 16. Qh3+ Rd7 17. Rad1 Qd8 18. Rd2 Re8 19. Bg5 Qc7 20. Rxd7 Qxd7 21. Qxd7+ Kxd7 22. Rd1+ Kc8 23. Kf1 Re4 24. Re1 Rg4 25. Be3 Bb4 26. Rd1 c5 27. c3 c4 28. Ba4 Be7 29. Bd7+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Hamelink, Desiree"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "C47"]
[BlackElo "2145"]
[PlyCount "187"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. Nf3 Nc6 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 d6 7. Bd3 g6 8. 0-0 Bg7 9. Bg5 0-0 10. Qd2 Re8 11. f4 h6 12. Bh4 Nxe4 13. Bxe4 Qxh4 14. Bxc6 Ba6 15. Bxe8 Rxe8 16. Rfe1 Rb8 17. Rab1 Rb4 18. Re4 Rb8 19. b3 Bb7 20. Re2 Ba6 21. Re4 Bb7 22. Re3 Kh7 23. Rh3 Qg4 24. Rg3 Qf5 25. Re1 Bf6 26. Rd3 Ba6 27. Rde3 c5 28. Kh1 Bd4 29. Re7 Kg7 30. Ne2 Bf6 31. Ng3 Qg4 32. Rxa7 Bb7 33. Ra4 h5 34. f5 Bd4 35. c3 h4 36. cxd4 hxg3 37. d5 Qxf5 38. Qc3+ Qf6 39. Qxf6+ Kxf6 40. hxg3 Bxd5 41. Rf4+ Kg7 42. Rd1 g5 43. Rf2 Be6 44. Rxd6 Ra8 45. Rc6 Ra5 46. Rc2 c4 47. bxc4 Re5 48. Rd6 Re1+ 49. Kh2 Bf5 50. Rf2 Be6 51. c5 Rc1 52. c6 Rc5 53. Rfd2 Kf6 54. Kg1 Ke5 55. Kf2 Rc3 56. Rd7 Rxc6 57. Ra7 Rc1 58. a4 Ra1 59. Ra5+ Ke4 60. Re2+ Kd4 61. Rb2 g4 62. Rb4+ Bc4 63. Rxc4+ Kxc4 64. Ke3 Rf1 65. Rg5 f5 66. Ke2 Rg1 67. Kf2 Ra1 68. Rxf5 Kd3 69. Rf4 Ra2+ 70. Kg1 Ke3 71. Rxg4 Ra1+ 72. Kh2 Ke2 73. Rf4 Ke3 74. Rf3+ Ke4 75. Kh3 Ke5 76. Rf4 Ra2 77. Rb4 Kf6 78. g4 Kg5 79. Rb5+ Kf4 80. g3+ Ke3 81. a5 Ra1 82. Kh4 Rh1+ 83. Kg5 Ra1 84. Rf5 Ra4 85. Kh5 Ra3 86. g5 Kd4 87. Rb5 Rxg3 88. g6 Rh3+ 89. Kg5 Rg3+ 90. Kf6 Rf3+ 91. Kg7 Rg3 92. Kh6 Rh3+ 93. Rh5 Rg3 94. g7 1-0

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Janssen, Ruud"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2290"]
[BlackElo "2145"]
[PlyCount "69"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 Bb7 5. e4 bxc4 6. Bxc4 e6 7. dxe6 fxe6 8. Qe2 Be7 9. Ngf3 0-0 10. e5 Nh5 11. g3 Bg5 12. Nxg5 Qxg5 13. Rf1 g6 14. f4 Qd8 15. Nb3 Nc6 16. Be3 Na5 17. Bxc5 Rf7 18. Nxa5 Qxa5+ 19. b4 Qa3 20. Qd2 Rc8 21. Bb3 Ng7 22. g4 Ne8 23. Rd1 Nc7 24. f5 Nd5 25. fxg6 Rxf1+ 26. Kxf1 hxg6 27. Kg1 Kh7 28. Qf2 Rg8 29. g5 Kg7 30. Rf1 Qa6 31. Qf7+ Kh8 32. Rf3 Nf6 33. Qxf6+ Rg7 34. Qf8+ Kh7 35. Rh3# 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Jens, Jelmer"]
[Black "Kerstens, Dennis"]
[Result "1/2-1/2"]
[ECO "C65"]
[BlackElo "2145"]
[PlyCount "113"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 Bb6 7. Re1 d6 8. Bg5 h6 9. Bh4 Bg4 10. Bxc6 bxc6 11. dxe5 dxe5 12. Qxd8 Rfxd8 13. Nxe5 Bc8 14. Nxc6 Re8 15. Bxf6 gxf6 16. Nd2 Bb7 17. Nd4 Rad8 18. N4b3 Rd7 19. c4 c5 20. f3 Red8 21. Nf1 a5 22. Ne3 a4 23. Nc1 Rd2 24. Rb1 Ba5 25. Kf1 Ba6 26. b3 Rb8 27. Re2 Rd4 28. Rbb2 f5 29. Kf2 fxe4 30. fxe4 Rxe4 31. Nd5 Rd4 32. Ne7+ Kf8 33. Nc6 Bc7 34. Nxb8 Bxb8 35. g3 Rd1 36. Re1 Rd6 37. Rbe2 Bc7 38. Ke3 Ba5 39. Rf1 Bc3 40. Rc2 Bd4+ 41. Kd2 Bb7 42. Nd3 Be4 43. Rf4 f5 44. Ke2 Re6 45. Kd2 Rd6 46. Ke2 Re6 47. Rd2 Kg7 48. g4 axb3 49. axb3 Kg6 50. gxf5+ Bxf5+ 51. Kd1 Ra6 52. Rxf5 Kxf5 53. Ke2 Rb6 54. b4 cxb4 55. Nxb4 Bc3 56. Rd5+ Ke4 57. Nd3 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Cupido, Alexander"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2145"]
[PlyCount "50"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Bb6 6. Nf5 Qf6 7. Nc3 Nge7 8. Bxb6 axb6 9. Nb5 Qe5 10. Nxg7+ Kf8 11. Nh5 Nb4 12. Be2 Qxe4 13. Qd2 Nf5 14. 0-0 Rg8 15. g3 Rg6 16. Nxc7 Ra5 17. Rae1 Nh4 18. f3 Qe7 19. Bd3 Nxd3 20. Rxe7 Kxe7 21. Qxd3 Rxh5 22. Re1+ Kd8 23. Nd5 d6 24. Qe3 Nxf3+ 25. Qxf3 Rxd5 1-0

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "De Vreugt, Dennis"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2145"]
[BlackElo "2380"]
[PlyCount "95"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. 0-0 Bg7 6. d3 Nf6 7. e5 Nd5 8. b3 0-0 9. Bb2 Nf4 10. Nbd2 a5 11. a3 b6 12. Re1 Ra7 13. Re4 Ne6 14. Rh4 Re8 15. Ne4 f5 16. Neg5 Nxg5 17. Nxg5 h6 18. Nf3 g5 19. Rh5 Be6 20. Nxg5 hxg5 21. Rxg5 Rf8 22. Qh5 Qe8 23. Qh6 Qf7 24. Re1 Rb8 25. Re3 Kf8 26. Rxg7 Qxg7 27. Qxe6 Qg4 28. h3 Qh5 29. Rf3 Kg7 30. Qxc6 Kh7 31. e6 Rg8 32. Qd5 Rg5 33. h4 Rg6 34. Rxf5 Qd1+ 35. Kh2 Kh6 36. f3 Rxg2+ 37. Kxg2 Qe2+ 38. Kg3 Qe1+ 39. Kf4 Qxh4+ 40. Ke3 Qe1+ 41. Kf4 Qh4+ 42. Ke5 Qg3+ 43. f4 Qg7+ 44. Ke4 Qg2+ 45. Ke3 Qg1+ 46. Kf3 Qf1+ 47. Kg3 Qe1+ 48. Kh3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Kalb, Jos"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2145"]
[PlyCount "63"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. e5 d5 6. exd6 Bxd6 7. 0-0 Nf6 8. d3 h6 9. Nbd2 0-0 10. Nc4 Ba6 11. Nce5 Qc7 12. Re1 Rad8 13. b3 Rfe8 14. Bb2 Nd7 15. Qd2 Nxe5 16. Nxe5 f6 17. Ng4 Bf4 18. Qc3 Qe7 19. Re4 Bd6 20. Rae1 Bc8 21. f4 Kh7 22. f5 e5 23. Rf1 Ba6 24. Bc1 Rb8 25. Qd2 Qf8 26. Rf3 Bc8 27. Nxh6 gxh6 28. Rh4 Re7 29. Rxh6+ Kg8 30. Rfh3 Kf7 31. Rxf6+ Kxf6 32. Qg5+ 1-0

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Solleveld, Maarten"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2145"]
[BlackElo "2225"]
[PlyCount "132"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 0-0 8. 0-0 Bb6 9. Na3 d6 10. Ndb5 a6 11. Nxd6 Bxe3 12. Nxc8 Raxc8 13. fxe3 Qg6 14. Qc2 Ne5 15. Bb3 b5 16. Rad1 Rce8 17. Nb1 Nc8 18. Nd2 Ng4 19. Rf3 Nd6 20. Bd5 Re5 21. Qb3 Qh6 22. Nf1 Nf6 23. Ng3 Ng4 24. h3 Nxe3 25. Bxf7+ Kh8 26. Rd3 Re7 27. Rfxe3 Rexf7 28. Nf5 Qf4 29. Nxd6 Qf1+ 30. Kh2 cxd6 31. Qe6 Rf2 32. Qg4 Rxg2+ 33. Qxg2 Rf2 34. Qxf2 Qxf2+ 35. Kh1 h6 36. Rf3 Qxb2 37. Rxd6 Qxa2 38. e5 Qe2 39. Rf8+ Kh7 40. Re8 Qf1+ 41. Kh2 Qf2+ 42. Kh1 Qg3 43. Rxa6 Qxh3+ 44. Kg1 Qg3+ 45. Kh1 b4 46. c4 Qh4+ 47. Kg2 Qg4+ 48. Kf2 Qxc4 49. Raa8 b3 50. e6 b2 51. e7 Qf7+ 52. Kg2 Qxe8 53. Rxe8 b1Q 54. Rh8+ Kxh8 55. e8Q+ Kh7 56. Qd7 Qe4+ 57. Kg3 h5 58. Qc7 Qg4+ 59. Kh2 h4 60. Qe7 h3 61. Qb7 Qg2+ 62. Qxg2 hxg2 63. Kxg2 Kg6 64. Kf2 Kg5 65. Kf3 Kh4 66. Kg2 Kg4 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Van Delft, Merijn"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "2145"]
[BlackElo "2240"]
[PlyCount "68"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 Nc6 6. Bc4 Qb6 7. Nde2 e6 8. Be3 Qc7 9. Nb5 Qb8 10. Nec3 Be7 11. f4 0-0 12. Bb3 a6 13. Nd4 Qc7 14. Qf3 Na5 15. 0-0-0 b5 16. g4 b4 17. Nce2 Nxb3+ 18. axb3 Bb7 19. Ng3 Rfc8 20. Rd2 d5 21. e5 Ne4 22. Nxe4 dxe4 23. Qg3 Bc5 24. Rf1 Bxd4 25. Bxd4 a5 26. f5 a4 27. bxa4 Rxa4 28. Kb1 Qc4 29. Rdf2 Qxd4 30. fxe6 Rca8 31. exf7+ Kf8 32. c3 Ra1+ 33. Kc2 b3+ 34. Kxb3 Qa4# 0-1

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Van Delft, Merijn"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2145"]
[BlackElo "2240"]
[PlyCount "80"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. 0-0 Bg7 6. d3 Nf6 7. e5 Nd5 8. b3 Bg4 9. Bb2 Qc8 10. Nbd2 Bh6 11. Ne4 Qf5 12. Nxc5 Bxf3 13. Qxf3 Qxf3 14. gxf3 b6 15. Na6 0-0-0 16. a3 c5 17. b4 Kb7 18. b5 Nf4 19. Rfd1 Rd5 20. Kf1 Rhd8 21. d4 cxd4 22. a4 Rxe5 23. Nb4 Rh5 24. Bxd4 Rxh2 25. Kg1 Rh4 26. Nc6 Ne2+ 27. Kf1 Rdxd4 28. Kxe2 Rd6 29. a5 bxa5 30. Rxa5 Re6+ 31. Kd3 Rd6+ 32. Ke2 Rxd1 33. Kxd1 Bg5 34. Nxa7 Rd4+ 35. Ke2 Rd2+ 36. Kf1 Rxc2 37. Ra6 Rb2 38. Kg2 Rxb5 39. Rxg6 Kxa7 40. Rg7 Rf5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Velema, Sander"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2145"]
[PlyCount "49"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 g6 7. Bg5 Bg7 8. Qd2 h6 9. Be3 Nd5 10. Bd3 Qb6 11. c3 Nxe3 12. fxe3 h5 13. 0-0 Nf6 14. Ne4 Bd7 15. Neg5 Bh6 16. Bc4 0-0 17. Nxf7 Rxf7 18. Ne5 Be8 19. Qd3 Kf8 20. Qxg6 Bxe3+ 21. Kh1 Rg7 22. Rxf6+ exf6 23. Qxf6+ Rf7 24. Bxf7 Bd7 25. Nxd7# 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Verbaken, Onno"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2145"]
[PlyCount "81"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Bd7 8. Qd2 Nc6 9. 0-0-0 Rc8 10. Nxc6 Bxc6 11. f3 Qa5 12. Kb1 Ba4 13. Bd4 h5 14. g3 Bh6 15. Be3 Bxe3 16. Qxe3 0-0 17. f4 Rc5 18. Rd4 Bd7 19. Bc4 Rfc8 20. Bb3 Qc7 21. f5 Kg7 22. h3 Rxc3 23. bxc3 Qxc3 24. Qxc3 Rxc3 25. fxg6 fxg6 26. Rd3 Nxe4 27. Re1 Rxd3 28. cxd3 Nc5 29. d4 Nxb3 30. Rxe7+ Kf6 31. Rxd7 Nxd4 32. Rxd6+ Ne6 33. Kc2 Ke7 34. Rd5 Nc7 35. Ra5 a6 36. Kd3 Kd6 37. Rg5 b5 38. Rxg6+ Kc5 39. a3 Nd5 40. Rxa6 Nb6 41. Rxb6 1-0

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Vink, Nico"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2145"]
[BlackElo "2235"]
[PlyCount "78"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Nbd7 7. f3 Qc7 8. Bb3 Nc5 9. Be3 e6 10. Qd2 b5 11. g4 h6 12. 0-0-0 b4 13. Na4 Bd7 14. Qxb4 Rb8 15. Qc3 Rc8 16. Nxc5 dxc5 17. Ne2 c4 18. Bf4 Qc6 19. Rxd7 Nxd7 20. Nd4 Qb6 21. Ba4 Bb4 22. Qe3 Qa5 23. Bxd7+ Kxd7 24. Rd1 Ke7 25. Nc6+ Rxc6 26. Qa7+ Kf6 27. Rd7 Rf8 28. e5+ Kg6 29. Qd4 Kh7 30. Qe4+ Kg8 31. Qxc6 Qxa2 32. c3 Ba5 33. h4 Bd8 34. g5 hxg5 35. hxg5 g6 36. Be3 Qa1+ 37. Kc2 Qf1 38. Bc5 Bxg5 39. Rd1 Qe2+ 0-1

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Kerstens, Dennis"]
[Black "Wunnink, Michael"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2145"]
[BlackElo "2095"]
[PlyCount "43"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f3 Nbd7 9. Be3 Nc5 10. Qd2 Bb7 11. g4 Be7 12. 0-0-0 Rc8 13. h4 Nfd7 14. h5 h6 15. Rhg1 Ne5 16. g5 hxg5 17. Bxg5 Bxg5 18. Rxg5 b4 19. Na4 Qa5 20. Nxc5 Rxc5 21. Rxg7 d5 22. h6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van der Meulen, Freerk Rinder"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C65"]
[BlackElo "2145"]
[PlyCount "79"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 Bb6 7. Re1 d6 8. h3 h6 9. a4 a5 10. d5 Ne7 11. b4 c6 12. dxc6 bxc6 13. Bf1 Ng6 14. Nbd2 Bc7 15. Nc4 Re8 16. bxa5 d5 17. Nb6 Rxa5 18. Nxc8 Nxe4 19. Qc2 Qxc8 20. Bd3 f5 21. Rb1 Qa8 22. c4 Bd6 23. Ra1 Bb4 24. Bd2 Nxd2 25. Nxd2 e4 26. Bf1 d4 27. Reb1 Bd6 28. Nb3 d3 29. Bxd3 exd3 30. Qxd3 Rd8 31. Qe3 Re5 32. Qc3 Nf4 33. Qf3 c5 34. Qxa8 Rxa8 35. Rd1 Re6 36. a5 Rg6 37. Kf1 Be5 38. Ra2 Rxg2 39. Nxc5 Rh2 40. Ke1 0-1

[Event "NED-ch U20"]
[Site "Leiden"]
[Date "1998.??.??"]
[Round "?"]
[White "Willemze, Jeroen"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C51"]
[WhiteElo "2290"]
[BlackElo "2145"]
[PlyCount "90"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 7. Nxe5 Nxc4 8. Nxc4 d5 9. exd5 Nf6 10. Qa4+ Bd7 11. Qb3 0-0 12. Ne3 b5 13. 0-0 a5 14. Ba3 b4 15. cxb4 Rb8 16. Nd2 axb4 17. Bb2 Bc8 18. d6 Bxd6 19. d5 Bb7 20. Bxf6 Qxf6 21. Ne4 Bxh2+ 22. Kxh2 Qh4+ 23. Kg1 Qxe4 24. Rac1 Qe5 25. Rfd1 Qd6 26. Rc4 Ba8 27. Rdd4 f5 28. f4 Kh8 29. Rxb4 Rbe8 30. Qd3 c5 31. dxc6 Qxc6 32. Nd5 Qc1+ 33. Kh2 Re1 34. Qd2 Rh1+ 35. Kg3 Qg1 36. Kf3 Rd8 37. Qe2 Qh2 38. Ke3 h6 39. Ne7 Re8 40. Kd2 Kh7 41. Qe6 Qxg2+ 42. Kc3 Rc1+ 43. Kb3 Qf3+ 44. Ka4 Bc6+ 45. Ka5 Qa3+ 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "7"]
[White "Ernst, Sipke"]
[Black "Kerstens, Dennis"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2270"]
[BlackElo "2140"]
[PlyCount "93"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. d4 Nbd7 4. Nc3 c6 5. Qc2 e5 6. e3 Be7 7. Bd3 0-0 8. Bd2 a6 9. g4 g6 10. h3 b5 11. 0-0-0 Bb7 12. dxe5 dxe5 13. Ne4 Qc7 14. Nxf6+ Bxf6 15. Be4 Nc5 16. Bb4 Nxe4 17. Bxf8 Rxf8 18. Qxe4 c5 19. Rd5 Qa5 20. Kb1 bxc4 21. Qxc4 Bxd5 22. Qxd5 e4 23. Ne5 Bxe5 24. Qxe5 Rd8 25. Qxe4 Qb5 26. Qc2 c4 27. Rd1 Rc8 28. Qc3 Qc6 29. Qa5 Qf6 30. f4 Qe7 31. Qe5 Qxe5 32. fxe5 Rc5 33. Rd4 Kf8 34. Kc2 Rxe5 35. e4 h5 36. Rxc4 hxg4 37. hxg4 Rg5 38. Ra4 a5 39. Kd3 Ke7 40. Ke3 Ke6 41. b3 Rb5 42. Kd4 Kd6 43. Rc4 Rg5 44. Ra4 Kc6 45. Rc4+ Kb6 46. Rc8 Rxg4 47. Ke5 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "Kerstens, Dennis"]
[Black "Brouwers, Geert"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2140"]
[PlyCount "67"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. h4 h5 9. f3 Nc6 10. Qd2 Nxd4 11. Bxd4 Be6 12. g4 Qa5 13. gxh5 Qxh5 14. 0-0-0 Bh6 15. Be3 Bxe3 16. Qxe3 Kg7 17. Rdg1 Qc5 18. Qd2 Rh8 19. f4 Rxh4 20. e5 dxe5 21. fxe5 Ng4 22. Bxg4 Bxg4 23. Ne4 Rah8 24. Nxc5 Rxh1 25. Qd4 Bf3 26. Kd2 R8h2+ 27. Kc3 Rxg1 28. Qxg1 Rh3 29. Nd3 a5 30. b3 b5 31. Kb2 Be4 32. Nf2 Re3 33. Qg5 Re2 34. Nxe4 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Kerstens, Dennis"]
[Black "Paalman, Henk Jan"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2140"]
[PlyCount "60"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. e5 Nfd7 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. Nf3 h6 11. Bf4 Bb4+ 12. Kf1 0-0 13. Bc2 Rf7 14. Qd3 Nf8 15. Qe3 Ba5 16. Be5 Qe7 17. h4 Bc7 18. h5 Nxe5 19. Nxe5 Bxe5 20. Qxe5 Bd7 21. Bd3 Rc8 22. Rh3 Qb4 23. a3 Qxb2 24. Rb1 Qd2 25. g4 Nh7 26. Rxb7 Ng5 27. Re3 Rc1+ 28. Kg2 Rxf2+ 29. Kg3 Qe1 30. Nxc1 Qg1+ 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "3"]
[White "Kerstens, Dennis"]
[Black "Snuverink, Jochem"]
[Result "0-1"]
[ECO "C40"]
[WhiteElo "2140"]
[PlyCount "92"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. exf5 e4 4. Ne5 Nf6 5. Be2 Be7 6. Bh5+ Kf8 7. d4 d6 8. Nf7 Qe8 9. Nxh8 Qxh5 10. Qxh5 Nxh5 11. g4 Nf6 12. g5 Nd5 13. g6 h6 14. h4 Bxf5 15. h5 Nd7 16. Bd2 N7f6 17. c4 Nb6 18. Na3 Bg4 19. Rc1 Bxh5 20. Rg1 a6 21. Nf7 Ng4 22. Rg2 Bh4 23. c5 Nd5 24. cxd6 e3 25. dxc7 exf2+ 26. Ke2 Nh2+ 27. Kd3 f1Q+ 28. Rxf1 Nxf1 29. Nd6 Nxc7 30. Nf5 Bf6 31. Bb4+ Kg8 32. Rf2 Nd5 33. Bc5 b6 34. Bd6 Bxg6 35. Rxf1 Rd8 36. Kc4 Rxd6 37. Nxd6 Ne3+ 38. Kc3 Nxf1 39. Nac4 b5 40. Nb6 Ne3 41. Nb7 Nf5 42. Kb4 Bxd4 43. Ka5 Bxb2 44. Kxa6 Be8 45. Ka7 h5 46. Ka8 h4 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "5"]
[White "Kerstens, Dennis"]
[Black "Van der Meulen, Margriet"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2140"]
[PlyCount "39"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Kh1 Be7 8. f4 d6 9. g4 b6 10. g5 Nfd7 11. f5 exf5 12. Nxf5 Rg8 13. Qh5 Ne5 14. Qxh7 Rf8 15. Nxg7+ Kd8 16. Nc3 Bb7 17. g6 Qd7 18. gxf7 Nxf7 19. Bc4 Rh8 20. Ne6+ 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "4"]
[White "Lammens, Tim"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A55"]
[BlackElo "2140"]
[PlyCount "89"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. e4 e5 4. d4 d6 5. Nf3 Nbd7 6. Be2 Be7 7. 0-0 0-0 8. d5 c5 9. a3 Ne8 10. b4 g6 11. Nd2 f5 12. Rb1 b6 13. Qa4 Ndf6 14. bxc5 dxc5 15. f4 Bd6 16. Nf3 fxe4 17. Nxe5 Ng7 18. g4 Bxe5 19. fxe5 Nxg4 20. Bxg4 Rxf1+ 21. Kxf1 Bxg4 22. Nxe4 Qh4 23. Nf6+ Kh8 24. Rb2 Bh3+ 25. Ke2 Nh5 26. Rxb6 Nxf6 27. Rxf6 Qh5+ 28. Kf2 Qxe5 29. Rf4 Re8 30. Kg3 g5 31. Bb2 gxf4+ 32. Kxh3 Qxb2 33. Qxe8+ Kg7 34. Qe7+ Kg6 35. Qe6+ Kg7 36. Qg4+ Kh8 37. Qxf4 Qxa3+ 38. Kg4 Kg7 39. d6 Qd3 40. Qe5+ Kf7 41. Qe7+ Kg6 42. Qe6+ Kg7 43. d7 Qd1+ 44. Kh4 h5 45. h3 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "2"]
[White "Pauptit, Alwin"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C51"]
[BlackElo "2140"]
[PlyCount "90"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na5 7. Nxe5 Nxc4 8. Nxc4 d5 9. exd5 Nf6 10. 0-0 0-0 11. Ne3 Nxd5 12. c4 Nxe3 13. fxe3 c5 14. Nc3 cxd4 15. exd4 b6 16. Be3 Bb7 17. Rc1 Re8 18. Bf4 Rc8 19. Ne2 Bf6 20. Qd3 Re4 21. d5 Qe8 22. Rc2 Ba6 23. Rfc1 g6 24. Kf2 Kg7 25. Kf3 Rcxc4 26. Rxc4 Rxc4 27. Rxc4 Qb5 28. Bh6+ Kxh6 29. Qe3+ Bg5 30. Rh4+ Kg7 31. Qxg5 Qxe2+ 32. Kg3 Qd3+ 33. Kf2 Qf1+ 34. Kg3 Qe1+ 35. Kh3 Qc3+ 36. Qg3 Bc8+ 37. Rg4 Bxg4+ 38. Kxg4 Qxg3+ 39. Kxg3 f5 40. Kf4 Kf6 41. h4 b5 42. d6 Ke6 43. d7 Kxd7 44. Ke5 Kc6 45. Kf6 Kd6 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "6"]
[White "Van Vliet, Gert Jan"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "A59"]
[BlackElo "2140"]
[PlyCount "54"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. f4 Bg7 10. Qf3 0-0 11. Nge2 Na6 12. Bd2 Nc7 13. g3 Nd7 14. Kg2 Nb6 15. b3 Qd7 16. Rac1 f5 17. exf5 Qxf5 18. g4 Qf7 19. Rhd1 Nbxd5 20. Ne4 Rxa2 21. Ng5 Qf6 22. Qh3 h6 23. Ne4 Nxf4+ 24. Nxf4 Qxf4 25. Rc4 Bd4 26. Qd3 Qxg4+ 27. Ng3 Rf2+ 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "9"]
[White "Vink, Mark"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "2140"]
[PlyCount "52"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. Bf4 c6 4. Nbd2 Nbd7 5. e4 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Re1 Nh5 9. Be3 e5 10. c3 b5 11. Bb3 Nb6 12. dxe5 dxe5 13. Nf1 Qe7 14. Qe2 Nd7 15. Red1 Nc5 16. Bxc5 Qxc5 17. Qd3 Nf4 18. Qd6 Ne2+ 19. Kh1 Qxf2 20. Qxc6 Bh3 21. Bxf7+ Kh8 22. Ne3 Qxe3 23. Rf1 Bg4 24. Rae1 Bxf3 25. gxf3 Rad8 26. Qxb5 Rd2 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.04"]
[Round "9"]
[White "Kerstens, Dennis"]
[Black "Kuipers, Eelco"]
[Result "0-1"]
[ECO "B44"]
[BlackElo "2165"]
[PlyCount "84"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb5 d6 6. c4 a6 7. N5c3 Nf6 8. Be2 Be7 9. 0-0 0-0 10. Be3 Bd7 11. Nd2 Rc8 12. Na4 Be8 13. f4 Nd7 14. f5 exf5 15. exf5 Nce5 16. b3 d5 17. cxd5 b5 18. Nb2 Nf6 19. Nf3 Nxd5 20. Nxe5 Nxe3 21. Qxd8 Rxd8 22. Rf2 Bf6 23. Ned3 Bd4 24. g4 Nc2 25. Raf1 Bxf2+ 26. Rxf2 Nd4 27. Bd1 Bc6 28. b4 Rfe8 29. h3 Re3 30. Nf4 Nf3+ 31. Kg2 Ne5+ 32. Kh2 Nc4 33. Bb3 Rd2 34. Rxd2 Nxd2 35. Nbd3 Nxb3 36. axb3 Rf3 37. Ne5 Rxf4 38. Nxc6 Rf2+ 39. Kg3 Rb2 40. Kf4 Rxb3 41. Ke5 Rxh3 42. Kd6 Rg3 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.03"]
[Round "8"]
[White "Janssen, Ruud"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A55"]
[PlyCount "63"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d4 d6 4. e4 e5 5. Nf3 Nbd7 6. Be2 Be7 7. 0-0 0-0 8. d5 c5 9. a3 Ne8 10. b4 g6 11. Bh6 Ng7 12. Qd2 b6 13. Na4 Nf6 14. Ng5 Kh8 15. f4 Ng8 16. Bxg7+ Kxg7 17. Nf3 exf4 18. Qxf4 Bf6 19. Rae1 Re8 20. Bd1 Qe7 21. bxc5 bxc5 22. Nxc5 Bc3 23. Re3 Be5 24. Nxe5 dxe5 25. Ne6+ fxe6 26. Qxe5+ Nf6 27. d6 Qd8 28. g4 h6 29. h4 Ba6 30. g5 Bxc4 31. Rxf6 Qb6 32. gxh6+ 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.02"]
[Round "7"]
[White "Kerstens, Dennis"]
[Black "Schrik, Rachid"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "61"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. 0-0 Bg7 6. d3 e5 7. a3 Qc7 8. b4 cxb4 9. axb4 Bg4 10. Nbd2 Ne7 11. h3 Bxf3 12. Qxf3 0-0 13. Bb2 a5 14. bxa5 Rxa5 15. Rxa5 Qxa5 16. Nc4 Qc7 17. Qg3 f6 18. d4 b5 19. dxe5 bxc4 20. exf6 Qxg3 21. fxg3 Bxf6 22. Bxf6 Nc8 23. g4 Nd6 24. e5 Ne4 25. g5 Kf7 26. Rf4 Nd2 27. Rd4 c3 28. Rd6 Rb8 29. Rxc6 Rb1+ 30. Kf2 Rb8 31. e6+ 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.05.01"]
[Round "6"]
[White "De Boer, Sybolt"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2250"]
[PlyCount "74"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. Bg5 bxc4 5. Nc3 Qa5 6. Qd2 d6 7. e4 Ba6 8. f4 Nfd7 9. Nf3 f6 10. Bh4 g6 11. e5 Bh6 12. exd6 exd6 13. g3 0-0 14. Bh3 f5 15. 0-0 Nf6 16. Rfe1 Nbd7 17. Re6 Qb6 18. Rae1 Bg7 19. Ne5 Rab8 20. Re2 Rbd8 21. Nc6 Rde8 22. Rxd6 Kh8 23. Rde6 Rxe6 24. Rxe6 Ne4 25. Rxe4 fxe4 26. Bxd7 e3 27. Qxe3 Qxb2 28. Ne5 Rb8 29. Be6 Qa1+ 30. Kg2 Rb2+ 31. Kh3 h5 32. Nxg6+ Kh7 33. Nf8+ Bxf8 34. Qe4+ Kh8 35. Qe5+ Kh7 36. Qf5+ Kh6 37. Bg5+ Kg7 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.30"]
[Round "5"]
[White "Kerstens, Dennis"]
[Black "Dambacher, Martijn"]
[Result "1/2-1/2"]
[ECO "B88"]
[PlyCount "96"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Nc6 7. Be3 Be7 8. f4 0-0 9. Bb3 Nxd4 10. Bxd4 b5 11. e5 dxe5 12. fxe5 Nd7 13. 0-0 Bc5 14. Bxc5 Nxc5 15. Qxd8 Rxd8 16. Nxb5 Ba6 17. Bc4 Rab8 18. a4 Nd7 19. Rfe1 Nb6 20. Bb3 Rd2 21. Rad1 Rbd8 22. Nd6 Rxd1 23. Rxd1 Kf8 24. Rd2 Ke7 25. Ne4 Rxd2 26. Nxd2 Nd7 27. Nf3 Bb7 28. Kf2 Bxf3 29. Kxf3 Nxe5+ 30. Ke4 Kd6 31. Ba2 Nc6 32. c3 a5 33. Bc4 f5+ 34. Ke3 g5 35. Bb5 Ne7 36. Bc4 h5 37. b4 axb4 38. cxb4 Nd5+ 39. Bxd5 exd5 40. h3 f4+ 41. Kf3 h4 42. a5 Kc6 43. a6 Kb6 44. b5 Ka7 45. Ke2 d4 46. Kd3 g4 47. Kxd4 f3 48. Ke3 fxg2 1/2-1/2

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.29"]
[Round "4"]
[White "Solleveld, Maarten"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C80"]
[PlyCount "104"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 exd4 7. Re1 d5 8. Nxd4 Bd6 9. Bxc6+ bxc6 10. f3 Qh4 11. fxe4 Bg4 12. exd5+ Kf8 13. Nf3 Bxf3 14. gxf3 Qxh2+ 15. Kf1 Bg3 16. Be3 Qh3+ 17. Ke2 Qg2+ 18. Kd3 Bxe1 19. Qxe1 Qxf3 20. Qb4+ Kg8 21. Nc3 cxd5 22. Rg1 g6 23. Qe7 h5 24. Kd2 h4 25. Bd4 Rh7 26. Re1 Qf4+ 27. Kd3 Qf5+ 28. Kd2 Qf4+ 29. Kd3 Qf5+ 30. Kd2 f6 31. Qxf6 Rf8 32. Qc6 Rd7 33. Qe6+ Qxe6 34. Rxe6 Kh7 35. Ne2 Rf5 36. Rxa6 h3 37. Ra8 Kh6 38. Ra3 h2 39. Rh3+ Rh5 40. Rxh5+ Kxh5 41. Be5 h1N 42. Ke1 Re7 43. Bh2 Kg4 44. Kd2 g5 45. Nd4 Kh3 46. Nc6 Rf7 47. Bg1 g4 48. a4 g3 49. a5 Nf2 50. Nd4 Kg2 51. Ne2 c5 52. c3 c4 0-1

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.27"]
[Round "3"]
[White "Ernst, Sipke"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2240"]
[PlyCount "106"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. c4 d6 6. Be2 Nbd7 7. 0-0 c6 8. Nc3 e5 9. d4 exd4 10. Nxd4 Qc7 11. Rc1 a5 12. Qc2 Rd8 13. Rfd1 Nc5 14. h3 Ne6 15. Qb1 Nxd4 16. Rxd4 Nd7 17. Rd2 Nc5 18. Bf3 Bf5 19. e4 Bh6 20. Qc2 Be6 21. Nd1 Bxd2 22. Qxd2 Nd7 23. Qd4 Ne5 24. Bg4 Bxg4 25. hxg4 f6 26. f4 Nd7 27. Ne3 Qb6 28. Qc3 Qb4 29. Qd3 a4 30. Bc3 Qa3 31. Rb1 Qxa2 32. b4 Ne5 33. fxe5 dxe5 34. Qf1 a3 35. Kh2 Re8 36. g5 fxg5 37. Qf6 Qe2 38. Re1 Qh5+ 39. Kg1 a2 40. Bxe5 Rxe5 41. Qxe5 Qh4 42. Rf1 g4 43. Ra1 g3 44. Nf1 Ra3 45. c5 Kf7 46. Qb2 Qf6 47. Rxa2 Rxa2 48. Qxa2+ Kg7 49. Qd2 Qa1 50. Qd7+ Kg8 51. Qc8+ Kg7 52. Qxb7+ Kh6 53. Qd7 Qe1 1-0

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.26"]
[Round "2"]
[White "Kerstens, Dennis"]
[Black "Van Blitterswijk, Stefan"]
[Result "1/2-1/2"]
[ECO "B86"]
[BlackElo "2310"]
[PlyCount "84"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. e5 Nfd7 10. exd6 Nf6 11. Be3 Bxd6 12. Qf3 Qc7 13. 0-0-0 Bd7 14. g4 Nxb3+ 15. axb3 0-0-0 16. g5 Nd5 17. Nxd5 exd5 18. f5 Rhe8 19. Bf2 Re4 20. Bg3 Rde8 21. Rd3 Bf4+ 22. Kb1 Qe5 23. Ne2 Bxg3 24. Nxg3 Bc6 25. Qh5 Re1+ 26. Rxe1 Qxe1+ 27. Rd1 Qe7 28. Qg4 Kb8 29. Nh5 Qe5 30. Qg3 Qxg3 31. Nxg3 g6 32. Rf1 Re7 33. Kc1 Kc7 34. Rf4 Bd7 35. fxg6 hxg6 36. Kd2 Bb5 37. Rf6 Kd7 38. Rf4 Ke8 39. Rd4 Re5 40. h4 Ke7 41. Rf4 Re6 42. Rf3 Re5 1/2-1/2

[Event "NED-ch U21"]
[Site "Arnhem"]
[Date "1996.04.25"]
[Round "1"]
[White "Kerstens, Dennis"]
[Black "Hoogendoorn, Joost"]
[Result "1-0"]
[ECO "B47"]
[BlackElo "2335"]
[PlyCount "57"]
[EventDate "1996.04.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Bc4 a6 7. Bb3 Nf6 8. 0-0 Nxd4 9. Qxd4 h5 10. e5 Ng4 11. Bf4 Bc5 12. Qe4 g5 13. Bxg5 f5 14. Qf4 Rg8 15. Rae1 b5 16. h3 Nxf2 17. Rxf2 Bxf2+ 18. Kxf2 Bb7 19. Qh4 Rh8 20. Bf6 Rh7 21. Qg5 Qc5+ 22. Re3 Qf8 23. Ne2 Rc8 24. Ng3 h4 25. Nh5 Qf7 26. Ng7+ Kf8 27. Nxf5 Rh5 28. Be7+ Ke8 29. Qxh5 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "4"]
[White "Azadmanesh, Moosa"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "82"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. Nd2 g6 10. b3 Bg7 11. Bb2 0-0 12. Nf3 Nb6 13. 0-0-0 Rfe8 14. Qc2 Bb7 15. h4 h5 16. Rg1 c5 17. Re1 a5 18. Bd3 a4 19. Kb1 axb3 20. axb3 Ra6 21. Ng5 Rea8 22. g4 f6 23. Ne4 fxe5 24. gxh5 gxh5 25. Qe2 Rf8 26. Qxh5 d6 27. Nxc5 Rf3 28. Qh7+ Kf8 29. Nxa6 Bxa6 30. Rg3 Qf6 31. Reg1 Rxg3 32. fxg3 Ke7 33. Rf1 Qh6 34. Qg8 Bf6 35. Bc1 Qh8 36. Qg6 Nd7 37. g4 Qe8 38. Qh7+ Kd8 39. g5 Be7 40. h5 Nc5 41. Bg6 Qc6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "6"]
[White "Do, Khoa"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C80"]
[PlyCount "70"]
[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 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Bxc6 bxc6 8. Nxe5 Ne6 9. Qf3 Qf6 10. Qxf6 gxf6 11. Nf3 c5 12. b3 Bb7 13. Nh4 0-0-0 14. Bb2 Nd4 15. Na3 Rg8 16. g3 f5 17. Bxd4 cxd4 18. Nc4 f4 19. Re2 Bg7 20. d3 Bf6 21. Nf5 Rg5 22. Nfd6+ cxd6 23. Nxd6+ Kc7 24. Nxf7 Rgg8 25. Nxd8 Kxd8 26. b4 h5 27. a4 h4 28. Rae1 hxg3 29. fxg3 f3 30. Re4 Bxe4 31. Rxe4 Bg5 32. Kf2 Rf8 33. h4 Be3+ 34. Kf1 Rg8 35. g4 d5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "1"]
[White "Kerstens, Dennis"]
[Black "Houben, P."]
[Result "1-0"]
[ECO "B72"]
[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. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. h4 Nc6 9. h5 a6 10. Qd2 Nxd4 11. Bxd4 e5 12. Be3 Be6 13. Bh6 Bxh6 14. Qxh6 Qe7 15. 0-0-0 b5 16. a3 Rac8 17. Qe3 Rfd8 18. f4 Bc4 19. hxg6 fxg6 20. Bxc4+ Rxc4 21. f5 gxf5 22. Qg5+ Qg7 23. Qxf5 Rd4 24. Rde1 Rc4 25. Rhf1 Ne8 26. Nd5 Rcc8 27. Re3 Nc7 28. Nf6+ Kh8 29. Rh3 Rf8 30. Rxh7+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "3"]
[White "Kerstens, Dennis"]
[Black "Koning, B."]
[Result "1-0"]
[ECO "C45"]
[PlyCount "37"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Nd5 7. Bd3 Bc5 8. 0-0 0-0 9. c4 Nb6 10. Nd2 Ba6 11. Ne4 Qe7 12. Qh5 f5 13. exf6 Qf7 14. Qxc5 Bxc4 15. fxg7 Rfe8 16. Bxc4 Nxc4 17. Qd4 Ne5 18. f4 Qxg7 19. fxe5 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "7"]
[White "Kerstens, Dennis"]
[Black "Simacek, Pavel"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2285"]
[PlyCount "40"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. d5 Bd6 7. Be3 N8d7 8. g4 0-0 9. Qc2 f5 10. 0-0-0 e4 11. gxf5 Nc5 12. Nxe4 Nxe4 13. Qxe4 Bxf5 14. Qd4 Qe7 15. Ne2 Be5 16. Qc5 Bxb2+ 17. Kd2 Qe4 18. Rg1 Nxc4+ 19. Ke1 Ne5 20. Rg4 Nf3# 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "9"]
[White "Kerstens, Dennis"]
[Black "Van Roosmalen, Sjoerd"]
[Result "1/2-1/2"]
[ECO "B86"]
[PlyCount "90"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. f4 Qc7 9. f5 e5 10. Nde2 Nbd7 11. Ng3 0-0 12. 0-0 b5 13. Bg5 Bb7 14. a3 h6 15. Bxf6 Nxf6 16. Nh5 Rac8 17. Nxf6+ Bxf6 18. Qg4 Qc5+ 19. Kh1 Qe3 20. Bd5 Bxd5 21. Nxd5 Qg5 22. Qe2 h5 23. a4 Rc5 24. c3 Rb8 25. b4 Rc4 26. axb5 axb5 27. Ra5 Qg4 28. Qxg4 hxg4 29. Re1 Bg5 30. Re2 Rc6 31. Kg1 Kf8 32. Kf2 Bh4+ 33. Ke3 Bg5+ 34. Kd3 Bd8 35. Ra1 Ke8 36. Rea2 Kf8 37. Ra7 Ke8 38. g3 Bb6 39. Re7+ Kf8 40. Rd7 Ke8 41. Nxb6 Rbxb6 42. Raa7 Ra6 43. Re7+ Kd8 44. Rad7+ Kc8 45. Rxf7 Ra3 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "5"]
[White "Kerstens, Dennis"]
[Black "Van der Meulen, Freerk Rinder"]
[Result "1-0"]
[ECO "B31"]
[PlyCount "67"]
[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 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. 0-0 Bg7 6. d3 e5 7. a3 Ne7 8. b4 cxb4 9. axb4 0-0 10. Nbd2 f6 11. Bb2 Be6 12. Ra5 Qc7 13. Qa1 b6 14. Ra3 Nc8 15. d4 exd4 16. Nxd4 Bd7 17. f4 Bh6 18. e5 Bg7 19. e6 Be8 20. f5 Nd6 21. g4 Qe7 22. Ne2 Nb5 23. Rb3 Rd8 24. Ne4 Nd6 25. N2g3 Nc4 26. Bd4 Ne5 27. g5 gxf5 28. gxf6 Bxf6 29. Nxf5 Qxe6 30. Rg3+ Bg6 31. Nh6+ Kg7 32. Nxf6 Kxh6 33. Bxe5 Rd2 34. Bf4+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "8"]
[White "Kuipers, Eelco"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2165"]
[PlyCount "47"]
[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 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. Nd2 Nd6 5. e3 g6 6. Ngf3 Bg7 7. c4 c6 8. Be2 0-0 9. 0-0 f6 10. Rc1 Nf7 11. cxd5 cxd5 12. Bc7 Qd7 13. Bg3 e5 14. dxe5 fxe5 15. Nb1 Nc6 16. Nc3 d4 17. exd4 exd4 18. Nb5 a6 19. Nc7 Ra7 20. Bc4 Bh6 21. Ne6 Re8 22. Neg5 Ncd8 23. Bxf7+ Nxf7 24. Rc7 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "2"]
[White "Snuverink, Jochem"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "67"]
[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 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Ne4 6. Qe2 d5 7. exd6 f5 8. Nbd2 Qxd6 9. Nxe4 fxe4 10. Qxe4+ Qe6 11. Bd3 dxc3 12. 0-0 Qxe4 13. Bxe4 Bb4 14. a3 Ba5 15. Bxc6+ bxc6 16. Re1+ Kf7 17. Ne5+ Kf8 18. b4 Bb6 19. Be3 a5 20. Nxc6 axb4 21. Nxb4 Bf5 22. Rec1 Bxe3 23. fxe3 c5 24. Nd5 Rd8 25. Nxc3 Be6 26. Na4 c4 27. Nb6 Ke7 28. Nxc4 Rhf8 29. a4 Rd3 30. a5 Rc8 31. Nb6 Rb8 32. Rc7+ Kf8 33. a6 Bd5 34. a7 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "8"]
[White "De Heer, Machiel"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "B10"]
[PlyCount "51"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Ne7 6. Bg2 0-0 7. 0-0 f5 8. c3 h6 9. Re1 Qc7 10. b4 Be6 11. Bb2 Ng6 12. a3 dxe4 13. dxe4 f4 14. Qe2 Nd7 15. h4 Nf6 16. Nh2 h5 17. Bf3 fxg3 18. fxg3 Ne7 19. Nc4 b5 20. Nxd6 Qxd6 21. Rad1 Qc7 22. Bc1 Nc8 23. Bxh5 Bc4 24. Qf3 Nd5 25. Qg4 Nxc3 26. Rd7 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "4"]
[White "Irwin, Mark"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "90"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 0-0 7. Bb3 h6 8. Nbd2 Bg4 9. Re1 Re8 10. h3 Bh5 11. Nc4 Qd7 12. Be3 Rad8 13. Qe2 b5 14. Ncd2 Bb6 15. Nf1 d5 16. Ng3 d4 17. cxd4 Bxf3 18. Qxf3 Nxd4 19. Bxd4 Qxd4 20. Rad1 Qd7 21. Nf5 Kh7 22. Kh1 Ng8 23. Re2 Rf8 24. Qg3 g6 25. Nh4 Qd6 26. Nf3 Rde8 27. d4 exd4 28. e5 Qb4 29. a3 Qe7 30. e6 fxe6 31. Rxe6 Qg7 32. Rde1 Rxe6 33. Rxe6 d3 34. Qh4 c5 35. Bd5 Rf6 36. Re8 Rf8 37. Ng5+ Kh8 38. Ne6 d2 39. Bb3 Rxe8 40. Nxg7 Kxg7 41. Qg4 Nf6 42. Qf3 c4 43. Bc2 Ne4 44. Bxe4 Rxe4 45. Qc3+ Rd4 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "9"]
[White "Kerstens, Dennis"]
[Black "Aubel, Jochem"]
[Result "0-1"]
[ECO "B87"]
[PlyCount "74"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. f4 Bb7 9. Be3 Nbd7 10. 0-0 Nc5 11. e5 Nxb3 12. axb3 Nd5 13. Nxd5 Bxd5 14. c4 bxc4 15. bxc4 Be4 16. f5 exf5 17. Nxf5 dxe5 18. Qa4+ Qd7 19. Nxg7+ Bxg7 20. Qxd7+ Kxd7 21. Rxf7+ Ke6 22. Rxg7 Rhb8 23. Ba7 Rd8 24. Rxa6+ Rd6 25. Rxd6+ Kxd6 26. b4 Bd3 27. b5 Rf8 28. h3 Rf1+ 29. Kh2 Rb1 30. Rg4 Kc7 31. b6+ Kb7 32. Rg7+ Ka6 33. c5 Rc1 34. Rc7 e4 35. Bb8 Rb1 36. Rxh7 e3 37. Bg3 Bxh7 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "1"]
[White "Kerstens, Dennis"]
[Black "Friesen, Bas"]
[Result "1-0"]
[ECO "B03"]
[PlyCount "47"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 Be6 8. b3 Bf6 9. Ne4 0-0 10. Qf3 Be7 11. d5 Bc8 12. h4 N8d7 13. Qg3 Nf6 14. Nxf6+ Bxf6 15. 0-0-0 Nd7 16. Bd3 a5 17. a4 Ne5 18. Bc2 c6 19. dxc6 bxc6 20. Nh3 Be6 21. Ng5 g6 22. h5 Bg7 23. hxg6 hxg6 24. f4 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "5"]
[White "Kerstens, Dennis"]
[Black "Hoogendoorn, Joost"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "128"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. c3 Qc7 11. Bd2 Nbd5 12. dxc5 Bxc5 13. Ne5 Bxf2+ 14. Kf1 Bc5 15. Ngf3 0-0 16. g4 Nd7 17. Re1 Nxe5 18. Nxe5 Ne3+ 19. Bxe3 Qxe5 20. Qf2 Qd5 21. Bxc5 Qxh1+ 22. Ke2 Qd5 23. Rd1 Qe5+ 24. Kf1 Bd7 25. Bxf8 Kxf8 26. Be2 Bc6 27. Bf3 Qb5+ 28. Kg1 Bxf3 29. Qxf3 Ke7 30. Rd2 Qc6 31. Qf4 Qb6+ 32. Kg2 f6 33. Kf1 Rc8 34. Qe4 Qb5+ 35. Kf2 Qc5+ 36. Kg3 Qc7+ 37. Kh3 Qc6 38. Qe3 a6 39. a3 Rd8 40. Rxd8 Kxd8 41. Kg3 Ke7 42. Kf2 Qb5 43. Qd2 Qc5+ 44. Ke2 h5 45. gxh5 Qxh5+ 46. Ke1 Qe5+ 47. Kf1 Qd5 48. Qe3 Qh1+ 49. Ke2 Qxh2+ 50. Kd3 g5 51. b4 g4 52. Qe4 Qg3+ 53. Kc4 Qf3 54. Qh7+ Kd6 55. Kb3 g3 56. Qg8 g2 57. Qd8+ Ke5 58. Qc7+ Kf5 59. Qh7+ Kf4 60. Qh4+ Ke3 61. Qe1+ Qe2 62. Qg3+ Kd2 63. Qf4+ Ke1 64. Qh2 Qf2 0-1

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "7"]
[White "Kerstens, Dennis"]
[Black "Luynenburg, Rogier"]
[Result "1-0"]
[ECO "B76"]
[PlyCount "55"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 0-0 8. h4 h5 9. f3 Nc6 10. Qd2 Nxd4 11. Bxd4 Be6 12. g4 Qa5 13. gxh5 Nxh5 14. Bxg7 Kxg7 15. f4 Qc5 16. 0-0-0 Ng3 17. Rhg1 Nxe2+ 18. Qxe2 Rg8 19. f5 Bc4 20. Qf3 Kh7 21. Rg5 Qc8 22. Rdg1 Qf8 23. h5 Qh6 24. hxg6+ Kg7 25. Kb1 Rh8 26. gxf7+ Kxf7 27. b3 Ba6 28. e5 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "3"]
[White "Kerstens, Dennis"]
[Black "Van Tellingen, Frank"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "59"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. e5 Nfd7 10. exd6 Nf6 11. Be3 Bxd6 12. Qf3 Bd7 13. 0-0-0 Qc7 14. Kb1 Nxb3 15. cxb3 0-0 16. Rhg1 Rfc8 17. Rc1 Qa5 18. Qxb7 Rab8 19. Qf3 e5 20. fxe5 Bxe5 21. g4 g6 22. h3 Qb4 23. Rgd1 a5 24. g5 Bxd4 25. Rxd4 Bf5+ 26. Ka1 Rxc3 27. bxc3 Qa3 28. gxf6 Be6 29. Qd1 a4 30. Rd8+ 1-0

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "6"]
[White "Kuipers, Eelco"]
[Black "Kerstens, Dennis"]
[Result "1/2-1/2"]
[ECO "C26"]
[WhiteElo "2035"]
[PlyCount "66"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 Nc6 5. Nge2 d6 6. 0-0 Be6 7. Nd5 Qd7 8. c3 Bb6 9. d4 exd4 10. Nxb6 axb6 11. cxd4 d5 12. e5 Ng8 13. f4 Nge7 14. Be3 h5 15. Nc3 g6 16. Kf2 Kf8 17. Rh1 Kg7 18. h3 Na5 19. Qe2 c6 20. Rh2 Nf5 21. Rd1 Nc4 22. Bc1 Qe7 23. Bf3 b5 24. Rg2 b4 25. Nb1 Rxa2 26. g4 hxg4 27. Bxg4 Nxd4 28. Rxd4 Qc5 29. Be3 Bxg4 30. hxg4 Rh3 31. Rg3 Rh2+ 32. Rg2 Rh3 33. Rg3 Rh2+ 1/2-1/2

[Event "NED-ch U20"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "2"]
[White "Van Benthem, Arjen"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "C80"]
[PlyCount "68"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. Re1 Nc5 7. Bxc6 dxc6 8. Nxe5 Be7 9. d4 Ne6 10. Be3 0-0 11. c4 Qd6 12. Nc3 f5 13. f4 Bf6 14. d5 cxd5 15. cxd5 Nd8 16. Nc4 Qb4 17. Qe2 b5 18. Ne5 Re8 19. Qh5 Qf8 20. a3 Nf7 21. Bd4 g6 22. Qf3 Bb7 23. Qf2 Rad8 24. Rad1 Qg7 25. Nf3 Rxe1+ 26. Rxe1 h6 27. Bxf6 Qxf6 28. Re6 Qg7 29. Qc5 Rd7 30. Nh4 Rd6 31. Re8+ Kh7 32. Qxc7 Bxd5 33. Qc5 Bc4 34. Re7 Qf6 0-1

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "5"]
[White "Janssen, Ruud"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "79"]
[EventDate "1994.??.??"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd2 0-0 8. a3 Bxc3 9. Bxc3 Ne4 10. Qc2 a5 11. Bd3 f5 12. 0-0 Nd7 13. Bd2 a4 14. cxd5 exd5 15. Bf4 Ndf6 16. Bc7 Qe8 17. Ne5 Be6 18. Rac1 Rc8 19. f3 Nd6 20. Qc5 Nf7 21. Bb5 Bd7 22. Bxd7 Nxd7 23. Qxd5 Ndxe5 24. dxe5 Kh8 25. Qxb7 Qe7 26. Rfe1 Qg5 27. Qd5 Qh4 28. Red1 Qh6 29. Rc3 Ng5 30. Bd6 Rxc3 31. bxc3 Rd8 32. c4 Ne6 33. Qd2 Nf4 34. Kh1 g5 35. c5 g4 36. g3 Qh3 37. Qxf4 gxf3 38. Qxf3 Rg8 39. e6 h5 40. Be5+ 1-0

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "6"]
[White "Kerstens, Dennis"]
[Black "Do, Khoa"]
[Result "0-1"]
[ECO "B26"]
[PlyCount "110"]
[EventDate "1994.??.??"]
[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 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Rb8 8. h4 h5 9. Nh3 b5 10. 0-0 Ne5 11. f3 Ne7 12. Rae1 Qa5 13. a3 b4 14. Nd1 N5c6 15. axb4 cxb4 16. f4 0-0 17. Kh1 d5 18. f5 exf5 19. Bh6 dxe4 20. Bxg7 Kxg7 21. dxe4 fxe4 22. Rxe4 Qd5 23. Qxd5 Nxd5 24. Ng5 Nce7 25. Kh2 Nf5 26. Rfe1 Nf6 27. Rc4 Bd7 28. Bh3 Rfc8 29. Rxc8 Rxc8 30. c3 bxc3 31. Nxc3 Rc7 32. Nf3 Rb7 33. Re2 Nh6 34. Ne5 Nhg4+ 35. Nxg4 Bxg4 36. Bxg4 Nxg4+ 37. Kg2 f6 38. Nd5 Rd7 39. Nf4 Kf7 40. Kf3 Ne5+ 41. Ke4 Nc4 42. Rc2 Nb6 43. Kf3 Rb7 44. Nd3 Nd5 45. Rd2 Ne7 46. Nc5 Rc7 47. Ne4 Nf5 48. Kf4 Ke6 49. Nc3 Rc4+ 50. Kf3 Rd4 51. Re2+ Kd7 52. Ne4 Kc6 53. Nxf6 Rd3+ 54. Kf4 Rxg3 55. Rc2+ Kb6 0-1

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "Kerstens, Dennis"]
[Black "Friesen, Kim"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "38"]
[EventDate "1994.??.??"]
[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 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. c3 0-0 11. Be3 a6 12. Bd3 Bf5 13. Nbd4 Bxd3 14. Qxd3 Ne5 15. Nxe5 Bxe5 16. Rad1 Qc7 17. h3 Rad8 18. Rfe1 Rfe8 19. Rd2 Qc4 1/2-1/2

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "4"]
[White "Kerstens, Dennis"]
[Black "Gommers, Ralf"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "42"]
[EventDate "1994.??.??"]
[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. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. f4 b4 9. Nd1 Qc7 10. Nf3 a5 11. 0-0 Nf6 12. h3 0-0 13. f5 Ba6 14. Bh6 c4 15. Bxg7 Kxg7 16. Ne3 b3 17. fxg6 hxg6 18. Nf5+ gxf5 19. Qg5+ Kh7 20. Qh4+ Kg7 21. Qg5+ Kh7 1/2-1/2

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Kerstens, Dennis"]
[Black "Zult, Daan"]
[Result "1-0"]
[ECO "B24"]
[PlyCount "80"]
[EventDate "1994.??.??"]
[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. g3 Nc6 3. Nc3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 b6 7. Qd2 Nge7 8. Bh6 0-0 9. h4 f5 10. h5 Qe8 11. 0-0-0 Bxh6 12. Qxh6 gxh5 13. Rxh5 Qf7 14. Nge2 Qg7 15. Rg5 Ng6 16. Qh5 Rb8 17. exf5 Rxf5 18. Rxf5 exf5 19. Qxf5 Bb7 20. Qh5 Re8 21. f4 Re3 22. Nd5 Re8 23. Nec3 Nb4 24. a3 Nxd5 25. Bxd5+ Bxd5 26. Qxd5+ Kh8 27. Ne4 Qe7 28. Rh1 Kg7 29. Qh5 Rh8 30. Qh6+ Kg8 31. f5 Ne5 32. f6 Qf7 33. Rh5 Ng6 34. Nd6 Qxf6 35. Ne4 Qf1+ 36. Kd2 Qf7 37. Rd5 d6 38. Rxd6 Qg7 39. Rd8+ Nf8 40. Qf4 Qxb2 1-0

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "3"]
[White "Morks, Ewout"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "B15"]
[PlyCount "44"]
[EventDate "1994.??.??"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng3 h5 6. h4 Bg4 7. Be2 Nbd7 8. Bxg4 Nxg4 9. Nf3 Qc7 10. Qe2 e6 11. Ne4 0-0-0 12. Bd2 c5 13. Nfg5 Ndf6 14. Nxc5 Rxd4 15. Ncxe6 fxe6 16. Nxe6 Rxd2 17. Qxd2 Qe5+ 18. Qe2 Bb4+ 19. Kf1 Qxe2+ 20. Kxe2 Re8 21. c3 Rxe6+ 22. Kd2 Nxf2 0-1

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "1"]
[White "Thissen, Thomas"]
[Black "Kerstens, Dennis"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "80"]
[EventDate "1994.??.??"]
[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 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf6 5. Bb5+ Nbd7 6. Nc3 a6 7. Ba4 g6 8. d4 Bg7 9. Be3 0-0 10. Qd2 b5 11. Bb3 Nb6 12. Bh6 Bb7 13. h4 b4 14. Nce2 Nbxd5 15. h5 Ne4 16. Qd3 Nxf2 17. Kxf2 Bxh6 18. hxg6 fxg6+ 19. Ke1 Bg7 20. Qh3 h6 21. Nf3 Kh8 22. Ne5 Qd6 23. Bc2 Rf6 24. Qd3 Kh7 25. Qd2 Re6 26. Qg5 Rf8 27. Kd2 Rf2 28. Rxh6+ Kg8 29. Bxg6 Nf6 30. Bf7+ Kf8 31. Rh4 Rxg2 32. Qe3 Rxe5 33. Qxe5 Ne4+ 34. Qxe4 Bxe4 35. Rxe4 Kxf7 36. Rf1+ Ke8 37. Kd3 Rh2 38. Nf4 a5 39. Rg1 Qa6+ 40. Ke3 Bh6 0-1

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "8"]
[White "Van Albada, Siebe"]
[Black "Kerstens, Dennis"]
[Result "1/2-1/2"]
[ECO "A59"]
[PlyCount "27"]
[EventDate "1994.??.??"]
[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 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3 Bg7 10. Kg2 0-0 11. Nf3 Nbd7 12. h3 Qa5 13. Qe2 Nb6 14. Bd2 1/2-1/2

[Event "NED-ch U16"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "Van Himbergen, Har"]
[Black "Kerstens, Dennis"]
[Result "1-0"]
[ECO "B16"]
[PlyCount "57"]
[EventDate "1994.??.??"]
[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 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Be2 Bf5 7. Nf3 Nd7 8. c4 Qc7 9. 0-0 0-0-0 10. d5 Rg8 11. Nd4 Bh3 12. Bf3 Ne5 13. g3 Nxf3+ 14. Qxf3 Bxf1 15. Kxf1 cxd5 16. Be3 Qxc4+ 17. Kg1 Kb8 18. Rc1 Qa6 19. b4 e5 20. b5 Qd6 21. Nc6+ bxc6 22. Bxa7+ Kxa7 23. Rxc6 Qe7 24. Qc3 Rd7 25. Rc8 Qb4 26. Qc6 Rxg3+ 27. hxg3 Qe1+ 28. Kg2 Qe4+ 29. Kh2 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "9"]
[White "Kerstens, Dennis"]
[Black "Loman, Jelmar"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "51"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Qe2+ Qe7 8. 0-0 Qxe2 9. Bxe2 Nc6 10. dxc5 Bxc5 11. Nb3 Bd6 12. Rd1 Ne5 13. Be3 Rc8 14. c3 a6 15. Bd4 Bg4 16. Bxe5 Bxe5 17. Nxe5 Bxe2 18. Re1 Bb5 19. Ng6+ Kd7 20. Nxh8 Rxh8 21. Rad1 Kd6 22. Nd4 Bc6 23. Nf5+ Kc7 24. Re7+ Kd8 25. Rxf7 Re8 26. Nxg7 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1993.??.??"]
[Round "6"]
[White "Kerstens, Dennis"]
[Black "Thissen, Thomas"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 0-0 8. 0-0 Ne5 9. Be2 d5 10. f4 Nc4 11. Bxc4 dxc4 12. Qe2 Qb6 13. Nc2 Bxe3+ 14. Nxe3 Rd8 15. Kh1 Bd7 16. Na3 Qh6 17. Nexc4 Ng6 18. f5 Nf4 19. Qe3 Nh5 20. Qxh6 gxh6 21. f6 Bc6 22. Rf5 b5 23. Ne3 Rd3 24. Nd5 1-0

