[Event "Vlissingen HZ op 16th"]
[Site "Vlissingen"]
[Date "2012.08.11"]
[Round "9"]
[White "Luft, Dennis"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2121"]
[BlackElo "1977"]
[PlyCount "73"]
[EventDate "2012.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 d4 3. Nce2 e5 4. f4 Bg4 5. d3 Bd6 6. h3 Bxe2 7. Nxe2 exf4 8. Nxd4 Qh4+ 9. Ke2 Bc5 10. c3 Nc6 11. Qa4 0-0-0 12. Nxc6 Qf2+ 13. Kd1 bxc6 14. Qxc6 Ne7 15. Qa6+ Kb8 16. Qb5+ Ka8 17. Be2 Qxg2 18. Rf1 Be3 19. b3 Rhe8 20. Bxe3 fxe3 21. d4 c6 22. Qd3 Qxh3 23. Rxf7 Nc8 24. Qa6 Qh1+ 25. Kc2 Qxe4+ 26. Kb2 Ne7 27. Bf3 Qg6 28. Rf1 Kb8 29. Qc4 Rc8 30. Qb4+ Ka8 31. Rxe7 Rxe7 32. Qxe7 e2 33. Qxe2 Kb8 34. Qe4 Qh6 35. Rf2 Qg5 36. Rg2 Qf6 37. Qe5+ 1-0

[Event "Vlissingen HZ op 16th"]
[Site "Vlissingen"]
[Date "2012.08.09"]
[Round "7"]
[White "Van den Berg, Ad"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "A54"]
[WhiteElo "2225"]
[BlackElo "1977"]
[PlyCount "65"]
[EventDate "2012.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 d6 4. d4 e4 5. Ng5 d5 6. cxd5 Bf5 7. Qb3 Bd6 8. g4 Nxg4 9. Ncxe4 0-0 10. Bg2 Re8 11. Qf3 Bb4+ 12. Kf1 Qxd5 13. Nf6+ Nxf6 14. Qxd5 Nxd5 15. Bxd5 h6 16. Bxf7+ Kf8 17. Bxe8 Kxe8 18. a3 Ba5 19. b4 Bb6 20. Nf3 Bh3+ 21. Ke1 Bg2 22. Rg1 Bxf3 23. exf3 Bxd4 24. Ra2 Nc6 25. Be3 Bc3+ 26. Bd2 Bd4 27. Bxh6 Kf7 28. Be3 Re8 29. Ke2 Bc3 30. Rg4 Rh8 31. Rc2 Be5 32. h4 Nd8 33. Bd4 1-0

[Event "Vlissingen HZ op 16th"]
[Site "Vlissingen"]
[Date "2012.08.07"]
[Round "5"]
[White "Roos, Adrian"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2190"]
[BlackElo "1977"]
[PlyCount "105"]
[EventDate "2012.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Ne4 5. Bg2 f5 6. 0-0 Nd7 7. b3 c6 8. Qc2 Bd6 9. Ba3 Ndf6 10. Bxd6 Qxd6 11. Ne5 0-0 12. e3 Bd7 13. f3 Ng5 14. Nc3 Rac8 15. c5 Qc7 16. Ne2 Nf7 17. Qc3 Rce8 18. Nf4 Bc8 19. Nfd3 Re7 20. b4 Nd7 21. Rfc1 Rd8 22. Nxf7 Rxf7 23. a4 Re8 24. f4 Nf6 25. Ne5 Rfe7 26. b5 Ne4 27. Qe1 g5 28. Bxe4 fxe4 29. fxg5 Rf8 30. g4 Rg7 31. h4 Rgf7 32. Kg2 Rf3 33. Qe2 Qa5 34. Rf1 Qc3 35. Rad1 cxb5 36. axb5 b6 37. c6 a5 38. Nxf3 exf3+ 39. Rxf3 Rxf3 40. Kxf3 e5 41. Rd2 Qb4 42. Kg3 a4 43. dxe5 a3 44. Rxd5 a2 45. Rd4 a1Q 46. Rxb4 Qg1+ 47. Kf4 Be6 48. Rd4 Qh1 49. Rd6 Kf7 50. g6+ hxg6 51. Kg5 Qe4 52. Qf2+ Kg8 53. Rxe6 1-0

[Event "Vlissingen HZ op 16th"]
[Site "Vlissingen"]
[Date "2012.08.06"]
[Round "4"]
[White "De Clerck, Martijn"]
[Black "Heredia Tarrats, Amadeo"]
[Result "1/2-1/2"]
[ECO "D82"]
[WhiteElo "1977"]
[BlackElo "2151"]
[PlyCount "27"]
[EventDate "2012.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. cxd5 Nxd5 7. Bxb8 Nxc3 8. bxc3 Rxb8 9. Qa4+ Bd7 10. Bb5 cxd4 11. Ne2 a6 12. Bxd7+ Qxd7 13. Qxd7+ Kxd7 14. cxd4 1/2-1/2

[Event "Vlissingen HZ op 16th"]
[Site "Vlissingen"]
[Date "2012.08.05"]
[Round "2"]
[White "De Clerck, Martijn"]
[Black "Hopman, Pieter"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1977"]
[BlackElo "2310"]
[PlyCount "84"]
[EventDate "2012.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qb3 a5 6. a3 Bxd2+ 7. Nbxd2 0-0 8. e4 d6 9. Bd3 e5 10. d5 Nbd7 11. Qc3 a4 12. 0-0 Nc5 13. Bc2 Bg4 14. Kh1 Nh5 15. Ng1 Bd7 16. Rae1 g6 17. g3 Qg5 18. Ndf3 Qh6 19. Qe3 Qg7 20. Nh4 Rae8 21. f3 f5 22. Qg5 f4 23. g4 Nf6 24. h3 b5 25. Ne2 bxc4 26. Rg1 Rb8 27. Nxf4 Rxb2 28. Bb1 Rfb8 29. Nfxg6 hxg6 30. f4 Nh7 31. Qxg6 Qxg6 32. Nxg6 Kg7 33. fxe5 Kxg6 34. exd6 cxd6 35. e5+ Nd3 36. e6 Be8 37. h4 Nf6 38. h5+ Kg5 39. Bxd3 cxd3 40. Ref1 Nxd5 41. Rf5+ Kh4 42. Rxd5 Bc6 0-1

[Event "Vlissingen HZ op 15th"]
[Site "Vlissingen"]
[Date "2011.08.06"]
[Round "9"]
[White "Van de Wynkele, Eric"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2086"]
[PlyCount "41"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 c6 6. Bd2 Qc7 7. Qe2 Bf5 8. 0-0-0 e6 9. h3 h5 10. f4 Nbd7 11. Nf3 0-0-0 12. Ng5 Nb6 13. Bb3 Bd6 14. Rhf1 h4 15. Nce4 Nh5 16. Qf2 Kb8 17. Nxd6 Rxd6 18. Qxh4 Rdd8 19. Qf2 Nf6 20. g4 Bg6 21. f5 1-0

[Event "Vlissingen HZ op 15th"]
[Site "Vlissingen"]
[Date "2011.08.05"]
[Round "8"]
[White "De Clerck, Martijn"]
[Black "Rosmuller, Anton J"]
[Result "1/2-1/2"]
[ECO "A72"]
[BlackElo "2091"]
[PlyCount "69"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 0-0 9. h4 Bg4 10. Bg5 Nbd7 11. Nd2 Bxe2 12. Qxe2 Re8 13. 0-0-0 a6 14. g4 b5 15. h5 Qc7 16. hxg6 fxg6 17. Bxf6 Bxf6 18. f4 c4 19. g5 Bg7 20. f5 b4 21. Nxc4 bxc3 22. b3 gxf5 23. Qh5 Nf8 24. exf5 Be5 25. g6 Bf6 26. gxh7+ Nxh7 27. Rdg1+ Kh8 28. Qg6 Rf8 29. Rh3 Ra7 30. Rgh1 Rf7 31. Rxh7+ Rxh7 32. Qxf6+ Qg7 33. Qd8+ Qg8 34. Rxh7+ Rxh7 35. Qxg8+ 1/2-1/2

[Event "Vlissingen HZ op 15th"]
[Site "Vlissingen"]
[Date "2011.07.30"]
[Round "1"]
[White "Afek, Yochanan"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2298"]
[PlyCount "57"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. d4 c6 8. Bd2 Qc7 9. Qe2 Nbd7 10. 0-0-0 Nb6 11. Bb3 0-0-0 12. g4 Bg6 13. Ne5 e6 14. Bf4 Bd6 15. Bg3 Rhe8 16. h4 h5 17. Nxg6 Bxg3 18. fxg3 fxg6 19. g5 Ng4 20. Qf3 Nd5 21. Ne4 e5 22. Rhe1 Rf8 23. Qe2 Rde8 24. Qd2 Rf3 25. Rf1 Rxf1 26. Rxf1 Nde3 27. Rf7 Qd8 28. Qb4 b5 29. Nd6+ 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.09"]
[Round "4"]
[White "Van Overdam, Julian"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2102"]
[PlyCount "59"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Nf6 6. Nf3 Bg4 7. h3 Bh5 8. g4 Bg6 9. Ne5 e6 10. 0-0 Bd6 11. Bf4 Qc7 12. Qf3 Nbd7 13. Rfe1 0-0 14. h4 Nb6 15. Bb3 Nfd5 16. Bd2 Bxe5 17. Rxe5 f5 18. g5 Qf7 19. Rae1 Rae8 20. Nxd5 exd5 21. Bb4 Rxe5 22. Rxe5 Re8 23. Qf4 Rxe5 24. Qxe5 Qe8 25. Qd6 Bh5 26. a4 h6 27. gxh6 Nc8 28. Qg3 g6 29. Qc7 c5 30. Qg7# 1-0

[Event "Vlissingen HZ op 14th"]
[Site "Vlissingen"]
[Date "2010.08.07"]
[Round "1"]
[White "Van Eijk, Sander"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2322"]
[PlyCount "35"]
[EventDate "2010.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd2 Qc7 7. Ne5 Be6 8. Bf4 Qa5 9. Qd2 g6 10. Bc4 Nd5 11. 0-0 Nxf4 12. Qxf4 Bxc4 13. Nxc4 Qf5 14. Qe3 e6 15. Ne4 Kd7 16. Ne5+ Ke8 17. g4 Bh6 18. f4 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.13"]
[Round "9"]
[White "Akkerboom, Jacob"]
[Black "De Clerck, Martijn"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1785"]
[BlackElo "1858"]
[PlyCount "65"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 c6 5. e3 Nbd7 6. Nc3 Qa5 7. Nd2 Ne4 8. Ndxe4 dxe4 9. Bf4 Bb4 10. Qc2 h5 11. h4 Nf8 12. Be2 Ng6 13. Bg3 Qf5 14. a3 Bxc3+ 15. Qxc3 Bd7 16. 0-0-0 b5 17. Rd2 a5 18. Qb3 0-0 19. Qd1 Rfc8 20. Bxh5 bxc4 21. Bg4 Qb5 22. Be2 Ne7 23. h5 Nf5 24. Bf4 f6 25. g4 Nh6 26. Qc2 c5 27. d5 Qb3 28. Bxh6 gxh6 29. Bxc4 Qxc2+ 30. Rxc2 e5 31. Be2 Rab8 32. Rc3 Bb5 33. Bxb5 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.12"]
[Round "7"]
[White "Mazajchik, Tim"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2213"]
[BlackElo "1858"]
[PlyCount "75"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bc4 Bf5 6. Bd2 Qc7 7. g4 Bg6 8. h4 h5 9. g5 e6 10. Qe2 Ne7 11. Nh3 Nd7 12. Nf4 Bf5 13. Nxh5 0-0-0 14. 0-0-0 Ng6 15. Ng3 Rxh4 16. Nxf5 Rxh1 17. Rxh1 exf5 18. Bxf7 Qd6 19. Qe6 Qxe6 20. Bxe6 Ne7 21. Ne2 b6 22. Nf4 Kb7 23. Rh8 Kc7 24. c4 c5 25. d5 Ne5 26. Bxf5 Nxf5 27. Ne6+ Kd7 28. Nxd8 Ng6 29. Rxf8 Nxf8 30. Nc6 Ng6 31. Bc3 Nf4 32. Nxa7 Nd3+ 33. Kd2 Nxf2 34. Nc6 Ne4+ 35. Kd3 Nxg5 36. Ne5+ Kd6 37. Ng4 b5 38. Be5+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.11"]
[Round "6"]
[White "De Clerck, Martijn"]
[Black "De Jong, Tiemen"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1858"]
[BlackElo "1603"]
[PlyCount "105"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Nc6 5. Bf4 a6 6. e3 Be7 7. a3 0-0 8. Rc1 Bd7 9. Ne5 Na7 10. cxd5 exd5 11. Qb3 Bc8 12. Bd3 c6 13. 0-0 Nh5 14. Qc2 f5 15. Bg3 Bd6 16. f4 Nxg3 17. hxg3 Bxe5 18. fxe5 Qg5 19. Qf2 Bd7 20. Qf4 Qg6 21. Kf2 Qf7 22. Ke1 Rae8 23. g4 g6 24. gxf5 Bxf5 25. Bxf5 Qxf5 26. Qxf5 Rxf5 27. Rxf5 gxf5 28. Rc2 Kf7 29. Rf2 Kg6 30. Ne2 Nb5 31. Rf3 Nc7 32. Rg3+ Kf7 33. Rg5 Rg8 34. Rxf5+ Ke6 35. Rf6+ Ke7 36. Nf4 Ne8 37. Rh6 Rg7 38. Kf2 Nc7 39. Nh5 Rf7+ 40. Nf6 Ne8 41. Rxh7 Nxf6 42. exf6+ Kxf6 43. Rxf7+ Kxf7 44. b4 Kf6 45. Kf3 Kf5 46. g3 b5 47. g4+ Kg5 48. Kg3 Kg6 49. Kf4 Kf6 50. g5+ Kg6 51. Kg4 Kg7 52. Kf5 Kf7 53. Ke5 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.10"]
[Round "4"]
[White "De Clerck, Martijn"]
[Black "Barbe, Tom"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1858"]
[BlackElo "2010"]
[PlyCount "82"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. d5 a5 8. h4 Bg4 9. Nh2 Bxe2 10. Qxe2 h6 11. g4 Nfd7 12. Be3 Na6 13. Nf1 Kh7 14. Ng3 Rh8 15. g5 h5 16. Nxh5 gxh5 17. Qxh5+ Kg8 18. Qg4 Nf8 19. h5 Rh7 20. 0-0-0 b6 21. Ne2 Qd7 22. Qf3 Qa4 23. Nc3 Qe8 24. Rdg1 Nc5 25. Ne2 c6 26. Ng3 cxd5 27. cxd5 Nd3+ 28. Kd2 Nf4 29. Bxf4 exf4 30. Qxf4 Be5 31. Qf3 Bxg3 32. Rxg3 Qe5 33. Rb1 Qd4+ 34. Ke1 Re8 35. Kf1 Rxe4 36. g6 fxg6 37. hxg6 Rg7 38. Rc1 Rf4 39. Qe2 Qxd5 40. Rc8 Qh1+ 41. Rg1 Qh3+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.10"]
[Round "5"]
[White "Sprangers, Remco"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2130"]
[BlackElo "1858"]
[PlyCount "88"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 e6 4. Nxe4 Nf6 5. Bd3 Nbd7 6. Qe2 Nxe4 7. Qxe4 Nf6 8. Qh4 Be7 9. Nf3 Nd5 10. Qg3 Bf6 11. Bd2 Qd6 12. 0-0-0 Bd7 13. Ne5 Bxe5 14. dxe5 Qf8 15. Be4 0-0-0 16. Qb3 Bc6 17. Bg5 f6 18. exf6 gxf6 19. Bd2 Qc5 20. f3 f5 21. Bd3 Rhe8 22. Rhe1 Qb6 23. Qa3 Rd6 24. c4 Nf6 25. Bb4 Rxd3 26. Rxd3 Nd7 27. Red1 Ne5 28. Be7 Nxd3+ 29. Rxd3 Bd5 30. cxd5 Rxe7 31. dxe6 Qc6+ 32. Kb1 Qd6 33. Qxd6 cxd6 34. Rxd6 Kc7 35. Rd7+ Rxd7 36. exd7 Kxd7 37. Kc2 Kd6 38. Kd3 Kd5 39. g3 b5 40. b4 Ke5 41. h3 h6 42. f4+ Kd5 43. g4 fxg4 44. hxg4 a6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.09"]
[Round "2"]
[White "De Clerck, Martijn"]
[Black "De Jong, Amanda"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1858"]
[BlackElo "1630"]
[PlyCount "61"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bf5 5. Bf4 e6 6. cxd5 exd5 7. Rc1 Bd6 8. Bxd6 Qxd6 9. Qb3 Qe7 10. e3 0-0 11. Be2 Rc8 12. 0-0 Rc7 13. Ne5 Nbd7 14. f4 Nb6 15. g4 Be6 16. f5 Bd7 17. a4 Qd8 18. e4 Be8 19. a5 Nc8 20. Rfd1 h6 21. Bf3 Ne7 22. h4 Rac8 23. g5 hxg5 24. hxg5 Nxe4 25. Bxe4 dxe4 26. f6 Nd5 27. Nxe4 gxf6 28. gxf6 Nxf6 29. Qg3+ Kh8 30. Rc2 Nh7 31. Rg2 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.09"]
[Round "3"]
[White "Van der Linden, Ronald"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1453"]
[BlackElo "1858"]
[PlyCount "120"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Bg5 d5 4. e3 c6 5. Nf3 Nbd7 6. Nbd2 Qa5 7. a3 b5 8. b4 Qb6 9. cxb5 cxb5 10. Nb3 Bd6 11. Nc5 Ne4 12. Rc1 a5 13. Bd3 Ndf6 14. Qc2 Nxg5 15. Nxg5 h6 16. Nf3 0-0 17. 0-0 Nd7 18. Nd2 e5 19. Bf5 Nf6 20. Ndb3 a4 21. Nd2 Bxf5 22. Qxf5 e4 23. Rc3 g6 24. Qh3 Rae8 25. Rfc1 h5 26. Nf1 Qa7 27. Ng3 Qe7 28. Ne2 Nh7 29. f4 exf3 30. Qxf3 Qh4 31. g3 Ng5 32. Qxd5 Bxc5 33. Qxc5 Qg4 34. R3c2 Rc8 35. Qxb5 Nh3+ 36. Kf1 Rxc2 37. Rxc2 Qf3+ 38. Ke1 Qxe3 39. Rc3 Qf2+ 40. Kd2 Ng1 41. Re3 Nf3+ 42. Kd3 Nxh2 43. Qxa4 Ng4 44. Re8 Qf5+ 45. Kd2 Nf6 46. Rxf8+ Kxf8 47. Qa8+ Kg7 48. Nc3 Qg5+ 49. Kc2 Qxg3 50. d5 h4 51. d6 Qxd6 52. Ne4 Qh2+ 53. Kb3 Qg2 54. Qd8 Qxe4 55. b5 h3 56. b6 h2 57. b7 Nd7 58. Kc3 h1Q 59. a4 Qc6+ 60. Kb4 Qb1+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2005.08.08"]
[Round "1"]
[White "Pruijssers, Roeland"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2261"]
[BlackElo "1858"]
[PlyCount "53"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. d4 c6 5. Be2 Bf5 6. 0-0 e6 7. c4 Qa5 8. Nc3 Nbd7 9. Bf4 h6 10. a3 g5 11. Bg3 Ne4 12. Nxe4 Bxe4 13. Nd2 Bg6 14. c5 h5 15. Nc4 Qd8 16. Qb3 h4 17. Nd6+ Bxd6 18. Bxd6 b5 19. Bf3 Qc8 20. Rfe1 Nf8 21. d5 f5 22. dxc6 g4 23. Bxf8 Kxf8 24. Rxe6 gxf3 25. Rxg6 Qe8 26. Rf6+ Kg7 27. Qc3 1-0

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.14"]
[Round "9"]
[White "De Clerck, Martijn"]
[Black "Severijnen, Arjon"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "35"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 Bxg3 8. hxg3 Bf5 9. Nh4 Be6 10. Qc2 Nbd7 11. e3 Qe7 12. Rc1 Nb6 13. Na4 Qb4+ 14. Nc3 Qe7 15. Bd3 h6 16. Bf5 Nc4 17. b3 Nd6 18. Bxe6 1/2-1/2

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.13"]
[Round "7"]
[White "De Clerck, Martijn"]
[Black "Tonoli, Benjamin"]
[Result "1/2-1/2"]
[ECO "E11"]
[BlackElo "2073"]
[PlyCount "42"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Nbxd2 d5 7. e3 0-0 8. Bd3 Bd7 9. Ne5 c5 10. cxd5 cxd4 11. dxe6 Bxe6 12. exd4 Qxd4 13. Ndc4 Rd8 14. Be2 b5 15. Qxd4 Rxd4 16. Ne3 b4 17. Nf3 Rd6 18. axb4 a4 19. 0-0 Nc6 20. Nc4 Bxc4 21. Bxc4 Nxb4 1/2-1/2

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.13"]
[Round "7"]
[White "Hummel, Erik Jan"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "59"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d6 3. d4 Nbd7 4. Bc4 c6 5. Bb3 g6 6. Bg5 Bg7 7. f4 Qa5 8. Qd2 b5 9. Bxf6 Nxf6 10. e5 b4 11. Nce2 Ne4 12. Qe3 d5 13. Nf3 h6 14. 0-0 0-0 15. a3 bxa3 16. Rxa3 Qb6 17. c4 e6 18. Rfa1 a6 19. R1a2 Bb7 20. c5 Qc7 21. Bc2 Kh7 22. Ra5 Rae8 23. Bxe4 dxe4 24. Qxe4 f6 25. Qe3 Re7 26. Nc3 Ref7 27. Ne4 fxe5 28. fxe5 Rf4 29. b4 Qf7 30. Nfg5+ 1-0

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.13"]
[Round "8"]
[White "Van de Perre, Tom"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "76"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. Nf3 c6 6. 0-0 Bg4 7. h3 Bh5 8. Re1 e6 9. Ne4 Nbd7 10. Ng3 Bg6 11. d4 Bd6 12. c3 Qc7 13. Nf1 0-0 14. Bg5 h6 15. Bh4 Rfe8 16. Bd3 Bxd3 17. Qxd3 c5 18. g4 Nd5 19. Bg3 Nf4 20. Bxf4 Bxf4 21. Ne3 Rad8 22. Qf1 Nf8 23. Ng2 Qc6 24. Qe2 Ng6 25. h4 Bd6 26. Qe3 e5 27. dxc5 Bxc5 28. Qe4 Qb6 29. Re2 Nf4 30. Nxf4 exf4 31. Qxe8+ Rxe8 32. Rxe8+ Kh7 33. Re2 Qg6 34. Nh2 f3 35. Rd2 Bd6 36. Rd4 Be5 37. h5 Qf6 38. Re4 Bxh2+ 0-1

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.11"]
[Round "5"]
[White "De Clerck, Martijn"]
[Black "Konijn, Rob"]
[Result "1/2-1/2"]
[ECO "D43"]
[PlyCount "25"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bf4 dxc4 6. a4 Bb4 7. Qc2 Qd5 8. e3 Nbd7 9. Nd2 Bxc3 10. bxc3 e5 11. e4 Qe6 12. Bxc4 Qe7 13. dxe5 1/2-1/2

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.11"]
[Round "4"]
[White "Schenkeveld, Dick"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "46"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bc4 Bf5 7. Bd2 Qc7 8. 0-0 e6 9. Nh4 Bg6 10. Ne2 Bd6 11. f4 Nbd7 12. b4 c5 13. bxc5 Nxc5 14. f5 Bxh2+ 15. Kh1 Nce4 16. Bb5+ Kd8 17. Bf4 Bxf4 18. Rxf4 Ng3+ 19. Nxg3 Qxf4 20. Nf3 Qxg3 21. fxg6 hxg6+ 22. Kg1 Ng4 23. Qd2 Nf2 0-1

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.10"]
[Round "3"]
[White "De Clerck, Martijn"]
[Black "Benndorf, Sarah"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "117"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. h3 f6 4. c4 e5 5. dxe5 fxe5 6. Qxd5 Qxd5 7. cxd5 Nb4 8. Na3 Bd6 9. e4 Nf6 10. Nd2 Bd7 11. f3 c6 12. Ndc4 Bc5 13. dxc6 Nxc6 14. Be3 Bb4+ 15. Bd2 Bxd2+ 16. Kxd2 Ke7 17. Nc2 Rhd8 18. Bd3 Be6 19. Ke2 Nh5 20. Ke3 g6 21. b3 Rd7 22. Nb2 Rad8 23. Rhd1 Rc7 24. Rac1 Rdc8 25. Na3 a6 26. Rd2 Nb4 27. Rxc7+ Rxc7 28. Nbc4 Kf6 29. h4 Nf4 30. Bf1 b5 31. Nb2 Nxa2 32. Nd3 Bxb3 33. Nxf4 exf4+ 34. Kxf4 Nc3 35. Rd6+ Ke7 36. Rxa6 b4 37. Nb5 Rd7 38. Ra7 Nxb5 39. Rxd7+ Kxd7 40. Bxb5+ Ke6 41. Ke3 Bc2 42. Kd4 b3 43. Bc4+ Kd6 44. Kc3 Ke5 45. Bxb3 Bxe4 46. fxe4 Kxe4 47. Bg8 h6 48. Bh7 Kf5 49. h5 Kf6 50. hxg6 Kg7 51. Kd4 h5 52. Ke5 h4 53. Kf5 h3 54. gxh3 Kh8 55. h4 Kg7 56. Bg8 Kxg8 57. Kf6 Kh8 58. g7+ Kg8 59. h5 1-0

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.10"]
[Round "2"]
[White "Van Lenthe, Gerwin"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "D31"]
[PlyCount "91"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c6 5. Bd2 Bd6 6. c5 Bc7 7. Nf3 Nbd7 8. Be2 0-0 9. 0-0 e5 10. Ne1 Re8 11. Nc2 Qe7 12. f4 e4 13. Be1 Kh8 14. Bg3 Rg8 15. Qe1 Nf8 16. f5 Bxg3 17. Qxg3 g6 18. fxg6 Nxg6 19. Qg5 Kg7 20. Rf2 Ng4 21. Qxe7 Nxe7 22. Bxg4 Bxg4 23. Raf1 Raf8 24. b4 Ng6 25. a4 Nh4 26. Rf4 Kh8 27. Ne1 Rg7 28. R1f2 Rfg8 29. Rxf7 Rxf7 30. Rxf7 Nxg2 31. Kf2 Nxe1 32. Kxe1 Bf3 33. Rxb7 Rg1+ 34. Kd2 Rg2+ 35. Kc1 Rxh2 36. Rxa7 h5 37. a5 h4 38. a6 Be2 39. Ra8+ Kg7 40. a7 Rh1+ 41. Kd2 Ra1 42. Nxe2 h3 43. Ng3 h2 44. Ke2 Kf7 45. Rh8 Rxa7 46. Rh7+ 1-0

[Event "Stork Young Masters op"]
[Site "Hengelo"]
[Date "2004.08.09"]
[Round "1"]
[White "De Clerck, Martijn"]
[Black "Freeke, Matthieu"]
[Result "0-1"]
[ECO "A02"]
[BlackElo "2076"]
[PlyCount "41"]
[EventDate "2004.08.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. d4 c5 4. e3 e6 5. Nbd2 cxd4 6. exd4 Ne7 7. Bd3 Nbc6 8. c3 d6 9. 0-0 0-0 10. Qe2 Nd5 11. Ne4 a6 12. h4 e5 13. h5 exd4 14. hxg6 hxg6 15. Ng3 dxc3 16. Kh2 Nd4 17. Qf2 Nxf3+ 18. Qxf3 Qh4+ 19. Kg1 cxb2 20. Bxb2 Bxb2 21. Qxd5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.09"]
[Round "9"]
[White "De Clerck, Martijn"]
[Black "Struik, Tjapko"]
[Result "1/2-1/2"]
[ECO "D03"]
[BlackElo "2189"]
[PlyCount "71"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. Bg5 Ne4 4. Bf4 d5 5. c3 Nc6 6. e3 e6 7. Nbd2 Nxd2 8. Qxd2 Bd6 9. Bxd6 Qxd6 10. Bd3 0-0 11. 0-0 Bd7 12. Qe2 Rad8 13. h4 e5 14. dxc5 Qxc5 15. e4 d4 16. cxd4 Nxd4 17. Nxd4 Qxd4 18. Rfd1 Qb6 19. Rd2 Qh6 20. g3 Bg4 21. Qe1 Rd4 22. Rc1 Rfd8 23. Rc3 Bf3 24. Qe3 Qxe3 25. fxe3 R4d7 26. Rdc2 Kf8 27. Rf2 Bg4 28. Bc4 Rd1+ 29. Kg2 f6 30. Bd5 Rd7 31. Rfc2 Ke7 32. Rc7 b6 33. Rxd7+ Kxd7 34. Bb7 Kd8 35. Ba6 Be6 36. Be2 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "7"]
[White "De Clerck, Martijn"]
[Black "Rothuis, Vincent"]
[Result "1-0"]
[ECO "E21"]
[PlyCount "77"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nc3 h6 5. a3 Bxc3+ 6. bxc3 d6 7. Qc2 Nbd7 8. e3 e5 9. Bd3 Qe7 10. e4 0-0 11. 0-0 Qd8 12. h3 c5 13. Be3 Re8 14. Rad1 Rb8 15. Rd2 b6 16. Nh2 Bb7 17. f3 Nh5 18. Rfd1 Qc7 19. Be2 Rbd8 20. Nf1 Bc6 21. g3 Nhf6 22. Nh2 Nf8 23. Rd3 Ng6 24. R1d2 Qc8 25. Ng4 Nh5 26. Kg2 f5 27. exf5 e4 28. fxg6 exd3 29. Bxd3 Qa8 30. d5 Bd7 31. Bxh6 Re1 32. Rf2 Rde8 33. Qd2 Bxg4 34. fxg4 Nf6 35. Qf4 Qd8 36. g5 Rf8 37. Bxg7 Kxg7 38. Qh4 Kg8 39. gxf6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "8"]
[White "Freeke, Matthieu"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "77"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. Nd2 h6 5. Be3 d6 6. Be2 Nbd7 7. c4 c5 8. d5 e5 9. Qc2 Nf8 10. h3 Ng6 11. g3 Bd7 12. f3 a6 13. a4 Qa5 14. Kf2 Nh7 15. Bd3 h5 16. h4 Qd8 17. Ne2 Rb8 18. Nc3 Qc8 19. Ke2 Bd8 20. a5 Ne7 21. Qb1 f5 22. b4 b6 23. bxc5 bxc5 24. Qa2 fxe4 25. Ndxe4 Bc7 26. Bxc5 dxc5 27. d6 Nf5 28. dxc7 Nd4+ 29. Kf2 Qxc7 30. Nd5 Qc6 31. Rab1 Kf7 32. Rxb8 Rxb8 33. Rb1 Rxb1 34. Qxb1 Be6 35. Qb6 Bxd5 36. cxd5 Qxd5 37. Nd6+ Ke7 38. Qc7+ Kf6 39. Qd8+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.07"]
[Round "6"]
[White "Van Putten, Bart J"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "E01"]
[PlyCount "78"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 c6 5. Bg2 Bd6 6. 0-0 Nbd7 7. Nc3 0-0 8. e4 dxe4 9. Ng5 h6 10. Ngxe4 Bc7 11. Be3 Nxe4 12. Nxe4 Nf6 13. Qe2 Qe7 14. Rad1 Re8 15. Rfe1 e5 16. dxe5 Bxe5 17. Bc5 Qe6 18. Qc2 Nxe4 19. Bxe4 f5 20. Bd3 Qf6 21. Bf1 f4 22. Bd4 Bg4 23. Bxe5 Bxd1 24. Rxd1 Rxe5 25. Qb3 Rae8 26. c5+ Kh8 27. Qxb7 Re1 28. Rd6 Qf5 29. Qxc6 f3 30. Rd1 Kh7 31. Rxe1 Rxe1 32. Qb5 Qe4 33. c6 Qe2 34. Qf5+ Kg8 35. Qc8+ Kf7 36. Qf5+ Ke7 37. Qd7+ Kf6 38. Qh3 Qe6 39. Qh4+ Kg6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "4"]
[White "De Clerck, Martijn"]
[Black "Van Vliet, Gert Jan"]
[Result "1/2-1/2"]
[ECO "A85"]
[PlyCount "41"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. Bf4 d6 6. e3 0-0 7. h4 Qe8 8. Be2 c6 9. Qc2 Na6 10. Bg3 Nh5 11. Bh2 e5 12. c5 e4 13. Ng5 dxc5 14. Bd6 cxd4 15. Bc4+ Kh8 16. Bxf8 Bxf8 17. exd4 Nb4 18. Qd2 b5 19. Nf7+ Kg7 20. Qh6+ Kf6 21. Qg5+ 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "5"]
[White "Ondersteijn, Niels"]
[Black "De Clerck, Martijn"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2227"]
[PlyCount "20"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nce2 c5 4. Ng3 Nc6 5. Nf3 h5 6. h4 Bg4 7. Bc4 e6 8. Bb5 Qc7 9. c3 Bd6 10. Ne2 dxc3 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "3"]
[White "De Clerck, Martijn"]
[Black "Bosschem, Tim"]
[Result "1-0"]
[ECO "D96"]
[PlyCount "51"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 Nd5 5. Qa4+ c6 6. Qxc4 g6 7. e4 Nb6 8. Qb3 Bg7 9. Be3 0-0 10. h4 Bg4 11. e5 Be6 12. Qc2 Nd5 13. Qd2 h5 14. Be2 Nd7 15. Ng5 Bf5 16. g4 hxg4 17. h5 f6 18. h6 Bh8 19. h7+ Kg7 20. Nge4 Nxe3 21. Qxe3 Nb6 22. Bd3 Nd5 23. Qh6+ Kf7 24. Ng5+ Ke8 25. Bxf5 fxg5 26. Qxg6+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "2"]
[White "Uithof, Kasper"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "96"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d3 Nf6 5. Bd2 c6 6. Ne4 Qc7 7. Nxf6+ exf6 8. g3 Bd6 9. Bg2 Be6 10. Ne2 Qe7 11. 0-0 Nd7 12. Re1 0-0 13. Nf4 Rfe8 14. Bh3 Bxf4 15. Bxf4 Qf8 16. Bg2 g5 17. Bd2 Rad8 18. Bc3 Qh6 19. Qd2 Qg6 20. a4 h5 21. f4 h4 22. Be4 f5 23. Bg2 hxg3 24. hxg3 c5 25. Bxb7 c4 26. dxc4 Nc5 27. Qh2 f6 28. b3 Nxb7 29. fxg5 fxg5 30. Re2 Rd7 31. Rae1 Nc5 32. Bb2 Rh7 33. Qg2 Ne4 34. g4 Rh4 35. gxf5 Bxf5 36. Qf3 Rg4+ 37. Rg2 Rh4 38. Qd1 Qh6 39. Qd5+ Be6 40. Qxe4 Rxe4 41. Rxe4 Rd8 42. Re1 Qh4 43. Rf1 Bh3 44. Rh2 Qg3+ 45. Kh1 Bxf1 46. Rh8+ Kf7 47. Rh7+ Kg6 48. Rg7+ Kh6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "De Clerck, Martijn"]
[Black "Lui, Kachun"]
[Result "0-1"]
[ECO "D31"]
[BlackElo "2183"]
[PlyCount "48"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 c6 4. cxd5 exd5 5. Nc3 Bf5 6. Bf4 Qb6 7. Qd2 Nf6 8. Rc1 Bb4 9. Bxb8 Rxb8 10. Qf4 0-0 11. Qxf5 Ne4 12. a3 g6 13. Qf4 Bd6 14. Qe3 Qxb2 15. Nxe4 dxe4 16. Ne5 Bxa3 17. Kd1 Rbd8 18. Rc3 Qb1+ 19. Kd2 Bb4 20. Ng4 f5 21. Nh6+ Kg7 22. g4 Qb2+ 23. Kd1 Bxc3 24. Nxf5+ Rxf5 0-1

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "6"]
[White "De Clerck, Martijn"]
[Black "De Graaf, Dick"]
[Result "1-0"]
[ECO "A42"]
[BlackElo "2058"]
[PlyCount "45"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 Nc6 7. h4 e5 8. d5 Ne7 9. Be3 Ng4 10. Qd2 Nxe3 11. Qxe3 f5 12. h5 fxe4 13. Nxe4 Nf5 14. Qd3 Qe8 15. hxg6 Qxg6 16. 0-0-0 h6 17. g4 Nd4 18. Nxd4 exd4 19. Rdg1 Rf4 20. f3 Bd7 21. g5 hxg5 22. Rxg5 Qf7 23. Rhg1 1-0

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "De Clerck, Martijn"]
[Black "Koedoot, Sebastiaan1111"]
[Result "1-0"]
[ECO "D24"]
[PlyCount "39"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Nc3 e6 5. Ne5 c5 6. Qa4+ Bd7 7. Qxc4 cxd4 8. Qxd4 Nc6 9. Nxc6 Bxc6 10. Qxd8+ Rxd8 11. Bg5 Be7 12. e3 h6 13. Bh4 0-0 14. f3 Rd7 15. Rd1 Rfd8 16. Be2 Nd5 17. Bxe7 Rxe7 18. e4 Rde8 19. exd5 exd5 20. Kf2 1-0

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "5"]
[White "Sinke, Wim"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "E01"]
[PlyCount "86"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 Nf6 3. d4 e6 4. c4 c6 5. Qc2 Bd6 6. Nd2 Nbd7 7. b3 h5 8. Ngf3 Nf8 9. e4 Bb4 10. 0-0 Ng6 11. e5 Ng4 12. h3 Nh6 13. a3 Be7 14. Nh2 Nf5 15. Ndf3 Bd7 16. Bd2 Qb6 17. c5 Qc7 18. Qd3 0-0-0 19. Rfb1 f6 20. b4 Be8 21. exf6 gxf6 22. Re1 Nf8 23. Bf4 Qd7 24. Qe2 Bf7 25. g4 Ng6 26. Bg3 Nxg3 27. fxg3 Qc7 28. Kf2 e5 29. gxh5 Rxh5 30. Nxe5 Nxe5 31. dxe5 Rxe5 32. Qf3 Bg6 33. Rxe5 Qxe5 34. Re1 Be4 35. Qe3 f5 36. Nf3 d4 37. Qf4 Qxf4 38. gxf4 Rg8 39. Rg1 Bf6 40. Ng5 d3 41. Nf3 Bc3 42. Rd1 Bd4+ 43. Kf1 Bxf3 0-1

[Event "PKS op-A"]
[Site "Netherlands"]
[Date "2003.??.??"]
[Round "?"]
[White "Westerweele, Henrik"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "33"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 d5 2. d4 dxe4 3. Nc3 e5 4. Be3 Bb4 5. f3 Be6 6. Qd2 Bxc3 7. Qxc3 exf3 8. Nxf3 e4 9. Ng5 Bf5 10. Bc4 Be6 11. Bxe6 fxe6 12. Nxe6 Qd6 13. Nxc7+ Kd7 14. Nxa8 Ne7 15. Qb3 b6 16. 0-0 Nbc6 17. d5 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.10"]
[Round "9"]
[White "De Clerck, Martijn"]
[Black "Hoffmann, Udo"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "95"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. c3 d5 4. Bf4 Nc6 5. e3 Bg4 6. Nbd2 e6 7. Bd3 Nh5 8. Bg3 Qb6 9. Qb3 c4 10. Qxb6 axb6 11. Bc2 b5 12. 0-0 b4 13. e4 Nxg3 14. fxg3 Bd6 15. exd5 exd5 16. Ng5 f6 17. Ngf3 Kd7 18. Nh4 Rae8 19. Bf5+ Bxf5 20. Nxf5 Rhg8 21. Nxd6 Kxd6 22. a3 Re2 23. Rf2 Rxf2 24. Kxf2 bxc3 25. bxc3 Re8 26. Nf1 Na5 27. Ne3 g6 28. Re1 Kc6 29. Nxd5 Rxe1 30. Nb4+ Kb5 31. Kxe1 Ka4 32. d5 b6 33. d6 Nb7 34. d7 Nd8 35. Nd5 b5 36. Nxf6 Kxa3 37. Kd2 Kb2 38. Nd5 Nc6 39. Ne3 Nd8 40. g4 Nc6 41. g5 Nd8 42. g4 Nc6 43. Nd5 Nd8 44. Nb4 Ne6 45. Nc6 Kb1 46. Nd4 Nxd4 47. d8Q Nb3+ 48. Kd1 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "8"]
[White "De Clerck, Martijn"]
[Black "Uithof, Kasper"]
[Result "1-0"]
[ECO "D08"]
[PlyCount "105"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. c4 e5 4. dxe5 d4 5. Bg5 Bb4+ 6. Nbd2 Nge7 7. a3 Bxd2+ 8. Qxd2 Bg4 9. h3 Bxf3 10. gxf3 Nxe5 11. b3 h6 12. Bf4 N7g6 13. Bxe5 Nxe5 14. f4 Ng6 15. Bg2 c6 16. Rd1 Nh4 17. Rg1 Nxg2+ 18. Rxg2 c5 19. Rxg7 Qf6 20. Rg3 Qb6 21. Qd3 Qe6 22. Qf3 0-0-0 23. Qg4 Kb8 24. Qxe6 fxe6 25. Rg6 Rde8 26. e3 e5 27. fxe5 Rxe5 28. Ke2 dxe3 29. fxe3 Rhe8 30. Rd3 Rh5 31. Rg3 Re4 32. Kf3 Reh4 33. Kg2 Rg5 34. Rxg5 hxg5 35. Rd5 Re4 36. Kf3 Rh4 37. Rxg5 Rxh3+ 38. Ke4 b6 39. Re5 Rh7 40. Kd5 Kc7 41. b4 cxb4 42. axb4 Kd7 43. e4 Rh6 44. c5 bxc5 45. bxc5 a5 46. Rf5 Ra6 47. Rf3 a4 48. Ra3 Ra5 49. e5 Ra6 50. Kc4 Kc6 51. e6 Ra5 52. e7 Rxc5+ 53. Kd4 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "7"]
[White "Deceuninck, Serge"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "50"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 c6 6. Nf3 Bg4 7. Bd2 Qc7 8. Qe2 e6 9. 0-0-0 Nbd7 10. d5 cxd5 11. Nxd5 Nxd5 12. Bxd5 Be7 13. Bb3 Rc8 14. Bc3 Bf6 15. Bxf6 Nxf6 16. Qb5+ Qc6 17. Qxc6+ bxc6 18. Rd3 Ne4 19. h3 Nxf2 20. hxg4 Nxh1 21. Ng5 Ke7 22. Rf3 Rcf8 23. Kd2 h5 24. gxh5 Rxh5 25. Nh3 g5 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.08"]
[Round "6"]
[White "De Clerck, Martijn"]
[Black "Muysken, Matthijs"]
[Result "1-0"]
[ECO "E90"]
[PlyCount "59"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. h3 Na6 7. Be3 c5 8. Be2 b6 9. 0-0 Bd7 10. d5 Qc8 11. Nh2 Nc7 12. f4 Nfe8 13. Nf3 Rb8 14. Qd2 b5 15. g4 bxc4 16. Bxc4 Nb5 17. f5 Nxc3 18. bxc3 Nf6 19. Bd3 Re8 20. Bh6 Bb5 21. Bxg7 Kxg7 22. c4 Bd7 23. e5 Ng8 24. e6 fxe6 25. fxe6 Ba4 26. Qc3+ Kh6 27. g5+ Kh5 28. Be2 a6 29. Ne5+ Kxg5 30. Qg3+ 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "4"]
[White "De Clerck, Martijn"]
[Black "Schenkeveld, Dick"]
[Result "1/2-1/2"]
[ECO "A48"]
[PlyCount "44"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Nf6 3. Bg5 Bg7 4. c3 d6 5. Nbd2 0-0 6. e4 Nbd7 7. Bd3 e5 8. d5 c6 9. dxc6 bxc6 10. 0-0 Qc7 11. Bc2 d5 12. Re1 Re8 13. Kh1 Ba6 14. Ng1 Qb6 15. Qc1 Ng4 16. Nh3 Nxf2+ 17. Nxf2 Qxf2 18. Re3 h6 19. Rf3 Qb6 20. Bh4 d4 21. Bb3 Kh7 22. Rxf7 Nc5 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "2"]
[White "De Clerck, Martijn"]
[Black "Van den Berg, Harmen"]
[Result "0-1"]
[ECO "B14"]
[PlyCount "78"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. c4 c5 5. e3 cxd4 6. exd4 d5 7. Nc3 dxc4 8. Bxc4 0-0 9. 0-0 Bg4 10. Re1 Nbd7 11. Nd5 e6 12. Ne3 Bxf3 13. Qxf3 Qa5 14. Bxf6 Nxf6 15. Qxb7 Rab8 16. Qf3 Rxb2 17. Bb3 Nd5 18. Nc4 Rxb3 19. Qxb3 Qc7 20. Ne5 Rb8 21. Rac1 Qd8 22. Qa4 Bxe5 23. dxe5 Qg5 24. g3 Kg7 25. h4 Qf5 26. Qe4 Qh5 27. f3 Rb4 28. Qe2 g5 29. hxg5 Qxg5 30. Kf2 h5 31. Rg1 Rd4 32. f4 Qf5 33. Rc4 Rd3 34. g4 hxg4 35. Rxg4+ Kf8 36. Rh4 Nc3 37. Qh5 Rd2+ 38. Kg3 Ne2+ 39. Kf3 Qd3+ 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "3"]
[White "Stuijts, Marielle"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "D46"]
[PlyCount "87"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 c6 5. Bd3 Bd6 6. Nf3 Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bd3 c5 11. dxc5 Bxc5 12. 0-0 Qb6 13. Qe2 Bd7 14. Bf4 Bc6 15. Ne5 Bd4 16. Nxc6 bxc6 17. Rab1 e5 18. Bxe5 0-0 19. Bf4 Rfe8 20. Qc2 h6 21. b3 Rad8 22. Rbd1 Re7 23. Bc1 Red7 24. Qe2 Ne8 25. Bc2 Nc7 26. Rde1 Ne6 27. Bf5 Rd6 28. Bf4 R6d7 29. Bxe6 fxe6 30. Qxe6+ Kh8 31. Re2 Bc5 32. Be3 Bxe3 33. Qxe3 c5 34. Rfe1 Qb4 35. h3 a5 36. Qf3 Rd1 37. Rxd1 Rxd1+ 38. Kh2 Qb8+ 39. Qg3 Qb6 40. Qg4 Qd6+ 41. g3 Ra1 42. Re8+ Kh7 43. Qf5+ Qg6 44. Rh8+ 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2002.08.05"]
[Round "1"]
[White "Kraetz, Jacques"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "64"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bg4 6. d3 c6 7. Bd2 Qc7 8. a4 Nbd7 9. Qe2 e6 10. Ne4 Ne5 11. Neg5 Nxc4 12. dxc4 h6 13. Ne4 Bxf3 14. Nxf6+ gxf6 15. gxf3 Rg8 16. 0-0-0 0-0-0 17. Qe3 b6 18. Bc3 Rxd1+ 19. Rxd1 Qxh2 20. Bxf6 Bd6 21. Kb1 Qf4 22. Qd3 Rg6 23. Be7 Bc7 24. Qd7+ Kb7 25. Bd8 Rg8 26. Be7 Qxf3 27. Rc1 Kb8 28. Bd6 Bxd6 29. Qxd6+ Kb7 30. Qd7+ Kb8 31. Rd1 Rc8 32. Qe7 Qxd1+ 0-1

[Event "Helmond op"]
[Site "Helmond"]
[Date "2001.06.??"]
[Round "4"]
[White "Reinemer, Frank"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2186"]
[PlyCount "51"]
[EventDate "2001.06.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. g4 Be6 8. h3 Nbd7 9. Bd3 Bd6 10. Nge2 Qc7 11. Qc2 h6 12. Bf4 g5 13. Bxd6 Qxd6 14. 0-0-0 b5 15. Kb1 Rc8 16. Nxb5 Qb8 17. Nbc3 c5 18. Bf5 c4 19. Bxe6 fxe6 20. e4 Rf8 21. exd5 Nxd5 22. Qg6+ Ke7 23. Nxd5+ exd5 24. Nc3 Rxf2 25. Rhe1+ Kd8 26. Qe8+ 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "7"]
[White "Broersen, Sjors"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "65"]
[EventDate "2001.??.??"]
[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 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 5. Nc3 d5 6. e5 Nfd7 7. Bf4 Nc6 8. Nxc6 bxc6 9. Bd3 Rb8 10. Rb1 Bb4 11. 0-0 Bxc3 12. bxc3 Rxb1 13. Qxb1 c5 14. c4 g5 15. Bd2 Nxe5 16. Qb5+ Bd7 17. Qxc5 Nxc4 18. Bxc4 dxc4 19. Bc3 Rg8 20. Rb1 f5 21. Qd6 Bc8 22. Qc6+ Qd7 23. Qxc4 Bb7 24. Qe2 g4 25. Qb5 Qxb5 26. Rxb5 Bc8 27. Rc5 Bd7 28. Ra5 Ke7 29. Bb4+ Kf6 30. Rxa7 Rb8 31. c3 Rd8 32. f3 gxf3 33. gxf3 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "9"]
[White "De Clerck, Martijn"]
[Black "De Groote, Jesper"]
[Result "1-0"]
[ECO "D24"]
[PlyCount "77"]
[EventDate "2001.08.??"]
[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 d5 3. c4 dxc4 4. Nc3 Bf5 5. Bf4 e6 6. e3 Bb4 7. Bxc4 0-0 8. 0-0 Bxc3 9. bxc3 Nd5 10. Qb3 Qc8 11. Rfd1 Bg4 12. Bd3 Nf6 13. Rab1 b6 14. Qc2 Nbd7 15. h3 Bxf3 16. gxf3 h6 17. Kh1 c5 18. Rg1 Kh8 19. Rg2 Nh5 20. Bd6 Re8 21. Be4 cxd4 22. Bxa8 Qxa8 23. Qe4 Qxe4 24. fxe4 dxc3 25. Rc1 Ndf6 26. e5 Nd5 27. Rg4 Rc8 28. Kg2 g6 29. Kf3 b5 30. Rc2 a5 31. a3 Ng7 32. Rg1 Nf5 33. Rb1 Nxd6 34. exd6 b4 35. e4 Nb6 36. axb4 Nc4 37. d7 Rd8 38. Rxc3 Nd2+ 39. Ke2 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "3"]
[White "De Clerck, Martijn"]
[Black "Dekker, Els"]
[Result "1-0"]
[ECO "D06"]
[PlyCount "40"]
[EventDate "2001.08.??"]
[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 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bf5 5. Bg5 e6 6. e3 h6 7. Bh4 g5 8. Bg3 Bb4 9. Qb3 Bxc3+ 10. bxc3 Qa5 11. Rc1 Qb6 12. cxd5 cxd5 13. Bb5+ Nbd7 14. Be5 Qd8 15. Bxd7+ Kxd7 16. Qxb7+ Ke8 17. Bxf6 Rb8 18. Qc6+ Qd7 19. Qxd7+ Kxd7 20. Bxh8 Rxh8 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "7"]
[White "De Clerck, Martijn"]
[Black "Reeve, Daryl"]
[Result "1-0"]
[ECO "D85"]
[PlyCount "45"]
[EventDate "2001.08.??"]
[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 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 0-0 8. Bc4 c5 9. h3 cxd4 10. cxd4 Nc6 11. Be3 b5 12. Bd5 Bb7 13. Rc1 Rc8 14. 0-0 a6 15. Qd2 e6 16. Bb3 Qa5 17. Qe2 Qb4 18. d5 Na5 19. dxe6 Nxb3 20. exf7+ Rxf7 21. Rxc8+ Bxc8 22. axb3 Qxe4 23. Ng5 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "6"]
[White "De Clerck, Martijn"]
[Black "Sminia, Jelmer"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "112"]
[EventDate "2001.??.??"]
[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 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 0-0 9. Qc2 Re8 10. 0-0 Nf8 11. Ne5 Ng4 12. Bxe7 Qxe7 13. Nxg4 Bxg4 14. Bf5 Qg5 15. Bxg4 Qxg4 16. Qd1 Qg5 17. Qf3 Re6 18. Ne2 Ng6 19. Rac1 Rae8 20. Rc3 Qd8 21. Ng3 Nh4 22. Qd1 Rh6 23. f4 f5 24. Qc2 Rf6 25. Qb3 Rf7 26. Re1 Qd7 27. Kf2 Ng6 28. Ne2 Ne7 29. Ng1 Nc8 30. Nf3 Qd8 31. Ne5 Rc7 32. Kg1 Nd6 33. Rc2 Nf7 34. Nxf7 Rxf7 35. g3 Rfe7 36. Rc3 Qb6 37. Qxb6 axb6 38. b4 Ra8 39. a3 b5 40. Rec1 Kf7 41. Kf2 Ke6 42. h4 g6 43. Kf3 Kf6 44. Rh1 h6 45. Rh2 Ree8 46. Rh1 Ra4 47. Rb3 Rg8 48. Rh2 Raa8 49. Rc3 Ke6 50. Rh1 Kd6 51. Rh2 Rg7 52. Rh1 Rc8 53. Rh2 b6 54. Rhc2 h5 55. Ke2 Rgc7 56. Kd2 Ra8 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "8"]
[White "De Clerck, Martijn"]
[Black "Stevens, Fabian"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "77"]
[EventDate "2001.??.??"]
[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 e6 2. c4 f5 3. Nc3 Nf6 4. a3 Be7 5. e3 0-0 6. Bd3 b6 7. Nge2 Bb7 8. f3 Qe8 9. Qc2 Qg6 10. Nf4 Qf7 11. Bd2 d6 12. 0-0-0 Nbd7 13. Rdf1 c5 14. d5 e5 15. Ne6 Rfc8 16. Bxf5 g6 17. Ng5 Qe8 18. Be6+ Kg7 19. e4 Ba6 20. Nf7 h5 21. Bh6+ Kh7 22. Qd2 Bxc4 23. Rfg1 Bf8 24. g4 h4 25. Qg5 Qxf7 26. Bxf7 Bxh6 27. Bxg6+ Kg7 28. Qxh6+ Kxh6 29. Bf5 Kg5 30. b3 Ba6 31. Nd1 Rh8 32. Nf2 h3 33. Rg3 c4 34. Rhg1 cxb3 35. Nxh3+ Rxh3 36. Rxh3 Nc5 37. Rhg3 Nd3+ 38. Kb1 Rc8 39. Bxc8 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "5"]
[White "De Clerck, Martijn"]
[Black "Van Eijk, Sander"]
[Result "0-1"]
[ECO "E10"]
[PlyCount "120"]
[EventDate "2001.08.??"]
[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 e6 3. c4 c5 4. d5 b5 5. dxe6 fxe6 6. Bg5 Qa5+ 7. Qd2 b4 8. Qc2 Bb7 9. e3 Ne4 10. Nbd2 Nxg5 11. Nxg5 Nc6 12. Nxh7 0-0-0 13. Nxf8 Rdxf8 14. Ne4 Kb8 15. Qd2 d5 16. cxd5 exd5 17. Nd6 Ba8 18. Bd3 Ne7 19. e4 c4 20. Bc2 Qc5 21. Nf5 Nxf5 22. exf5 Re8+ 23. Kf1 Qd6 24. Re1 Bc6 25. h3 Bb5 26. Kg1 Rxe1+ 27. Qxe1 Re8 28. Qd2 d4 29. h4 c3 30. bxc3 bxc3 31. Qc1 d3 32. Bxd3 Qxd3 33. Rh3 Qxf5 34. Rxc3 Re2 35. Rf3 Qd5 36. Qf4+ Qe5 37. Qxe5+ Rxe5 38. Rf8+ Re8 39. Rxe8+ Bxe8 40. Kf1 Kc7 41. Ke2 Kd6 42. Kd3 Ke5 43. Ke3 Kf5 44. f3 Ke5 45. g4 Kd5 46. f4 Bd7 47. f5 Ke5 48. h5 Bc6 49. g5 Be4 50. h6 gxh6 51. gxh6 Bxf5 52. Kd2 Kd4 53. a3 a5 54. a4 Bh7 55. Kd1 Kc3 56. Kc1 Kb3 57. Kd2 Kxa4 58. Kc3 Ka3 59. Kc4 a4 60. Kc3 Bg6 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "3"]
[White "De Clerck, Martijn"]
[Black "Van Elteren, Hugo"]
[Result "0-1"]
[ECO "E11"]
[PlyCount "80"]
[EventDate "2001.??.??"]
[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 e6 3. c4 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 d5 6. Qc2 0-0 7. e3 Nbd7 8. Bd3 b6 9. 0-0 Bb7 10. cxd5 exd5 11. b4 Rc8 12. b5 Qe7 13. Nh4 g6 14. Rfe1 Ne4 15. Nhf3 f5 16. Nf1 c5 17. Qb2 c4 18. Bc2 g5 19. Re2 Rf7 20. Ne1 f4 21. f3 c3 22. Qc1 Nd6 23. Bd3 Qf6 24. Nc2 Nf5 25. Qe1 fxe3 26. Bxf5 Qxf5 27. Nfxe3 Qg6 28. Rc1 Nf6 29. h3 Nh5 30. Ng4 Nf4 31. Re8+ Rf8 32. Rxf8+ Kxf8 33. Qe5 Nd3 34. Qh8+ Ke7 35. Re1+ Nxe1 36. Qe5+ Qe6 37. Qxg5+ Kd7 38. Nf6+ Kc7 39. Qg3+ Qd6 40. Qxe1 Qxf6 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "1"]
[White "De Clerck, Martijn"]
[Black "Van Vliet, Jeffrey"]
[Result "1-0"]
[ECO "E24"]
[PlyCount "63"]
[EventDate "2001.??.??"]
[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 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. Bg5 Bb7 7. f3 d5 8. e3 Nbd7 9. cxd5 exd5 10. Bd3 h6 11. Bh4 Qe7 12. Qd2 0-0 13. Ne2 Rfe8 14. Bf2 c5 15. 0-0 Rac8 16. Ng3 a6 17. Nf5 Qe6 18. Bg3 Rc6 19. e4 c4 20. Bc2 Nf8 21. Rfe1 Ng6 22. exd5 Qxd5 23. Rxe8+ Nxe8 24. Be4 Qe6 25. d5 Qd7 26. dxc6 Qxd2 27. cxb7 Nf4 28. Bxf4 Qxf4 29. Ne7+ Kf8 30. Nc6 Qe3+ 31. Kf1 Qxc3 32. Re1 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "1"]
[White "De Clerck, Martijn"]
[Black "Van den Boom, Inge"]
[Result "0-1"]
[ECO "D37"]
[PlyCount "78"]
[EventDate "2001.08.??"]
[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 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 0-0 6. Qc2 Na6 7. a3 b6 8. b4 c5 9. b5 Nc7 10. e3 Bb7 11. Rd1 Qc8 12. h4 cxd4 13. Nxd4 dxc4 14. Bxc4 Ncd5 15. Bxd5 Nxd5 16. Nxd5 Bxd5 17. Qxc8 Rfxc8 18. f3 Bxa3 19. e4 Bc4 20. g4 Bc5 21. g5 Bxd4 22. Rxd4 Bxb5 23. h5 Rc2 24. Be5 Rc1+ 25. Rd1 Rxd1+ 26. Kxd1 Bc4 27. Kd2 b5 28. Kc3 a5 29. f4 a4 30. f5 exf5 31. exf5 a3 32. g6 f6 33. gxh7+ Kxh7 34. Bf4 a2 35. Kb2 Re8 36. h6 Re2+ 37. Ka1 Rf2 38. hxg7+ Kxg7 39. Bh6+ Kf7 0-1

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "2"]
[White "De Wind, Joris"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2114"]
[PlyCount "51"]
[EventDate "2001.??.??"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 Nd5 7. Bd2 Bxc3 8. bxc3 Qc7 9. f4 Nxc3 10. Qf3 Nd5 11. c4 Ne7 12. Nb5 Qc6 13. Qxc6 Nbxc6 14. Nc7+ Kd8 15. Nxa8 b6 16. Rb1 Bb7 17. Nxb6 axb6 18. Rxb6 Kc7 19. Rb2 Nf5 20. Kf2 h5 21. Bd3 Nh6 22. h3 h4 23. Rhb1 Rb8 24. Be4 f5 25. Bxc6 dxc6 26. a4 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "6"]
[White "Luteijn, Michiel"]
[Black "De Clerck, Martijn"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "50"]
[EventDate "2001.08.??"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 Qb6 6. Bc1 c6 7. Bc4 Bf5 8. Bb3 e6 9. Be3 Qc7 10. f3 Bd6 11. g3 0-0 12. Nge2 Nd5 13. Nxd5 exd5 14. Qd2 a5 15. c3 Re8 16. 0-0 a4 17. Bd1 Nd7 18. Bf4 Bh3 19. Re1 Nb6 20. b3 Re7 21. Bxd6 Qxd6 22. Nf4 Bf5 23. Bc2 Bxc2 24. Qxc2 Rae8 25. Kf2 axb3 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "2"]
[White "Soerdjan, Kiran"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "79"]
[EventDate "2001.08.??"]
[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 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. a3 Bd6 8. 0-0 c6 9. Re1 0-0 10. Bg5 Nbd7 11. h3 Nd5 12. Nxd5 cxd5 13. Bd3 Bxd3 14. Qxd3 h6 15. Bh4 Qc7 16. Nd2 Rac8 17. c3 Nb6 18. Re3 Rfe8 19. Bg3 f5 20. Bxd6 Qxd6 21. Rae1 Na4 22. Qc2 Nb6 23. Qd1 g6 24. Qe2 Kf7 25. Nf3 Nc4 26. Ne5+ Nxe5 27. Rxe5 Rc6 28. Qe3 g5 29. Rxf5+ Ke7 30. Qf3 Kd7 31. Rf7+ Re7 32. Qf6 Rxf7 33. Qxf7+ Qe7 34. Qg6 Qf8 35. Re3 Rb6 36. Rf3 Qd6 37. Rf7+ Kc6 38. Qc2 a6 39. Qe2 e5 40. dxe5 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "4"]
[White "Struik, Tjapko"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "61"]
[EventDate "2001.??.??"]
[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. c3 h6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nf6 8. d5 Ne7 9. e5 Ne4 10. Qc2 f5 11. 0-0 Bxc3 12. bxc3 d6 13. Rd1 0-0 14. Bb3 Kh8 15. e6 c5 16. c4 Ng6 17. Nd2 Nxd2 18. Qxd2 f4 19. Bb2 Qg5 20. f3 Nh4 21. Qe2 Nf5 22. Re1 Re8 23. Bc2 Nh4 24. Rf1 Bxe6 25. dxe6 Rxe6 26. Qd2 Rae8 27. Be4 Rxe4 28. fxe4 Rxe4 29. Rf2 Qxg2+ 30. Rxg2 Nf3+ 31. Kf1 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "8"]
[White "Stuijts, Roland"]
[Black "De Clerck, Martijn"]
[Result "1/2-1/2"]
[ECO "D30"]
[PlyCount "30"]
[EventDate "2001.08.??"]
[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 e6 3. c4 d5 4. e3 c6 5. cxd5 exd5 6. h3 Bd6 7. Bd3 0-0 8. b3 Qe7 9. 0-0 h6 10. Nbd2 Be6 11. Bb2 Re8 12. Re1 Nbd7 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Nf6 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "9"]
[White "Van Assendelft, Floris"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "C86"]
[PlyCount "61"]
[EventDate "2001.??.??"]
[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 d6 4. c3 a6 5. Ba4 Bd7 6. 0-0 Nf6 7. Qe2 Be7 8. h3 0-0 9. Rd1 Nd4 10. cxd4 Bxa4 11. b3 Bb5 12. d3 exd4 13. Nxd4 Bd7 14. g4 Re8 15. Bb2 h6 16. Nf5 Bf8 17. Qf3 Nh7 18. Nc3 g6 19. Kh1 Ng5 20. Qg3 Bc6 21. h4 gxf5 22. gxf5 Bg7 23. Rg1 f6 24. f4 Kf7 25. Qg4 Rg8 26. Rae1 Nxe4 27. dxe4 Qf8 28. Nd5 Qd8 29. Qg6+ Kf8 30. Nxf6 Bxe4+ 31. Rxe4 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "2001.??.??"]
[Round "5"]
[White "Van den Berg, Harmen"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "118"]
[EventDate "2001.??.??"]
[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. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 a6 8. f3 e6 9. 0-0-0 Nge7 10. g4 0-0 11. h4 d5 12. h5 Nxd4 13. Bxd4 e5 14. Be3 d4 15. Bh6 Qa5 16. Nb1 Qxd2+ 17. Bxd2 Re8 18. c3 Be6 19. b3 Rec8 20. Kb2 b5 21. Bd3 Nc6 22. Rc1 dxc3+ 23. Bxc3 b4 24. Bd2 Nd4 25. Rhf1 Rxc1 26. Bxc1 Rc8 27. Be3 a5 28. Bxd4 exd4 29. hxg6 fxg6 30. Rc1 Rxc1 31. Kxc1 Bh6+ 32. Kc2 Bf4 33. Nd2 h5 34. Be2 h4 35. Bf1 Kf7 36. Kd3 Be5 37. Ke2 Kf6 38. Kf2 Kg5 39. Bd3 Bf4 40. Nf1 Bd7 41. Bc4 Bc1 42. e5 Kf4 43. e6 Be3+ 44. Kg2 Be8 45. Bd3 h3+ 46. Kxh3 Kxf3 47. Ng3 Bf4 48. Ne2 Ke3 49. Bc4 g5 50. Nc1 Bc6 51. Nd3 Bd6 52. Ba6 Bd5 53. Ne1 Kf2 54. Nd3+ Kg1 55. Ne1 Kf2 56. Nd3+ Ke3 57. Ne1 Be4 58. e7 Bxe7 59. Kg3 Bd6+ 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "4"]
[White "Zeeman, Goswin"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "D50"]
[PlyCount "94"]
[EventDate "2001.08.??"]
[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 e6 3. Bg5 d5 4. Nc3 c6 5. e3 Bd6 6. c5 Bc7 7. Bd3 e5 8. Nge2 e4 9. Bc2 h6 10. Bf4 Bg4 11. Bxc7 Qxc7 12. h3 Bf5 13. Ng3 Be6 14. Qd2 Na6 15. a3 b6 16. b4 bxc5 17. bxc5 0-0 18. 0-0 Qd7 19. Nce2 g5 20. Kh2 g4 21. h4 Qe7 22. Nh1 Nh5 23. g3 Ng7 24. Nf4 Nf5 25. Nxe6 fxe6 26. Qe2 h5 27. Qxa6 Qc7 28. Ba4 Nxh4 29. Qxc6 Nf3+ 30. Kg2 Qf7 31. Qd7 Qf6 32. Rfb1 Rf7 33. Qd6 Rd8 34. Rb8 Rxb8 35. Qxb8+ Rf8 36. Qxa7 h4 37. Qc7 h3+ 38. Kf1 Nxd4 39. exd4 Qf3 40. Qe5 Qxh1+ 41. Ke2 Qf3+ 42. Kd2 Qd3+ 43. Ke1 Qc3+ 44. Ke2 Qb2+ 45. Kd1 Qxa1+ 46. Kc2 Rxf2+ 47. Kb3 Qb2# 0-1

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.12"]
[Round "9"]
[White "De Clerck, Martijn"]
[Black "Volkers, Annemarie"]
[Result "1-0"]
[ECO "D11"]
[PlyCount "71"]
[EventDate "2000.08.07"]
[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 c6 2. c4 d5 3. Nf3 Bg4 4. Nc3 e6 5. Qb3 Qb6 6. c5 Qxb3 7. axb3 Nd7 8. Bf4 Ngf6 9. h3 Bxf3 10. gxf3 Be7 11. e3 0-0 12. Rg1 Kh8 13. e4 b6 14. cxb6 axb6 15. Rxa8 Rxa8 16. e5 Nh5 17. Be3 Bb4 18. Kd2 Ra1 19. Rg5 Rxf1 20. Rxh5 c5 21. Rh4 Ra1 22. Kc2 cxd4 23. Bxd4 Bc5 24. Na4 g6 25. Nxc5 bxc5 26. Be3 d4 27. Bg5 Rf1 28. Rf4 Rxf2+ 29. Kb1 Kg8 30. b4 d3 31. bxc5 Rf1+ 32. Ka2 d2 33. Rd4 d1Q 34. Rxd1 Rxd1 35. c6 Nxe5 36. c7 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "7"]
[White "De Clerck, Martijn"]
[Black "Tan, Matthew"]
[Result "1/2-1/2"]
[ECO "E92"]
[PlyCount "48"]
[EventDate "2000.08.07"]
[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. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. d5 h6 8. h4 Qe7 9. Bd2 a6 10. Qc1 h5 11. Nh2 Nh7 12. Nf1 f5 13. Ng3 f4 14. Nxh5 gxh5 15. Bxh5 Qf6 16. Bf3 Bd7 17. Qd1 Kh8 18. Qe2 Bh6 19. 0-0-0 b6 20. Rdg1 Ra7 21. g4 fxg3 22. Rxg3 Rb7 23. Bg5 Qg7 24. Kb1 b5 1/2-1/2

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "8"]
[White "Timmermans, Bart"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "184"]
[EventDate "2000.08.07"]
[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 e6 3. d4 cxd4 4. Nxd4 Bc5 5. Be3 Qb6 6. b3 Nc6 7. c3 e5 8. Nf5 Bxe3 9. Nxe3 Nf6 10. Nd5 Nxd5 11. exd5 Ne7 12. Bc4 d6 13. 0-0 0-0 14. Re1 f5 15. Qf3 Qc5 16. Nd2 b5 17. b4 Qb6 18. Bb3 Bb7 19. Qe3 Qxe3 20. Rxe3 Bxd5 21. Bxd5+ Nxd5 22. Rd3 Nf4 23. Rxd6 Rfd8 24. Rxd8+ Rxd8 25. Nf3 Ne2+ 26. Kf1 Nxc3 27. Nxe5 Nd5 28. Nc6 Rd7 29. Re1 Rc7 30. Nd8 h6 31. Re8+ Kh7 32. Ne6 Rc1+ 33. Ke2 Rc2+ 34. Kf3 Rxa2 35. Rb8 Ra3+ 36. Ke2 Ra6 37. Nc5 Rg6 38. Kf3 a6 39. Nd7 Rd6 40. Nf8+ Kg8 41. Nd7+ Kf7 42. Ne5+ Kf6 43. Nd3 g5 44. Rh8 Kg7 45. Re8 g4+ 46. Ke2 Kf7 47. Rc8 Re6+ 48. Kd2 Nb6 49. Rc7+ Kf6 50. Nf4 Nc4+ 51. Kc3 Rd6 52. Nd3 Nb6 53. Kc2 Nd5 54. Rh7 Kg6 55. Rh8 Rc6+ 56. Kd2 Kg7 57. Rd8 Nf6 58. f3 Rc4 59. Rd6 gxf3 60. gxf3 Rh4 61. Rxa6 Rxh2+ 62. Ke3 Rh4 63. f4 Nd5+ 64. Kf3 Rh3+ 65. Ke2 Rh2+ 66. Kf3 Rd2 67. Ra3 Kg6 68. Ne5+ Kh5 69. Ra1 Rh2 70. Ra5 Rh3+ 71. Kf2 Nxf4 72. Rxb5 Rb3 73. Rb8 Nd3+ 74. Nxd3 Rxd3 75. b5 Kg4 76. b6 Kf4 77. b7 Rd2+ 78. Ke1 Rb2 79. Kd1 Kf3 80. Kc1 Rb6 81. Kc2 f4 82. Kc3 h5 83. Kc4 h4 84. Kc5 Rb1 85. Kc6 h3 86. Rh8 Kg2 87. b8Q Rxb8 88. Rxb8 h2 89. Rb2+ Kg3 90. Rb1 f3 91. Kd5 f2 92. Ke4 Kg2 0-1

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.10"]
[Round "6"]
[White "Niesert, Monika"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "110"]
[EventDate "2000.08.07"]
[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 c5 3. c3 cxd4 4. cxd4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d5 7. e5 Nc6 8. Nf3 Nge7 9. Nc3 Qb6 10. Be2 Bd7 11. 0-0 h5 12. Nb5 Nf5 13. Rad1 a6 14. Nc3 0-0-0 15. Rc1 Kb8 16. Rfd1 Rdg8 17. Na4 Qd8 18. Nc5 g5 19. Qc3 g4 20. Ne1 h4 21. Qb3 Na5 22. Qb6 Qxb6 23. Nxd7+ Ka7 24. Nxb6 Kxb6 25. Nd3 Nxd4 26. Nf4 Nxe2+ 27. Nxe2 Nc4 28. f4 gxf3 29. Nf4 fxg2 30. Rc2 Ne3 31. Rxg2 Rxg2+ 32. Nxg2 Nxd1 33. b4 Rg8 34. Kf1 h3 35. Nf4 Ne3+ 36. Kf2 Ng4+ 37. Kg3 Nxe5+ 38. Kxh3 d4 39. Ne2 d3 40. Nc3 d2 41. a3 Nd3 42. Nd1 Rg1 43. Ne3 Nf2+ 44. Kh4 d1Q 45. Nxd1 Nxd1 46. a4 Kc6 47. b5+ axb5 48. axb5+ Kd5 49. b6 Ke5 50. h3 Nf2 51. Kh5 Nxh3 52. Kh4 Kf4 53. Kxh3 Rg8 54. Kh2 Kf3 55. Kh3 Rh8# 0-1

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "5"]
[White "De Clerck, Martijn"]
[Black "Van Eerd, Bart"]
[Result "1-0"]
[ECO "D32"]
[PlyCount "37"]
[EventDate "2000.08.07"]
[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. Nf3 e6 3. c4 c5 4. e3 d5 5. Nc3 Nc6 6. cxd5 exd5 7. Bb5 a6 8. Bd3 Bg4 9. Be2 cxd4 10. Nxd4 Nxd4 11. Bxg4 Nxg4 12. Qxd4 Nf6 13. 0-0 Be7 14. b3 0-0 15. Rd1 Qa5 16. Bb2 Rfd8 17. Qe5 Bc5 18. Nxd5 Ng4 19. Qxg7# 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "4"]
[White "Soerdjan, Kiran"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "77"]
[EventDate "2000.08.07"]
[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 e6 3. d4 cxd4 4. Nxd4 Bc5 5. Nc3 Nc6 6. Be3 Qb6 7. Na4 Qa5+ 8. c3 Bxd4 9. Bxd4 Nf6 10. Nc5 Nxd4 11. Qxd4 0-0 12. e5 Nd5 13. Bc4 Qb6 14. Nb3 Qxd4 15. Nxd4 Ne7 16. 0-0 Nc6 17. f4 d5 18. Bb3 Nxd4 19. cxd4 b6 20. Rac1 Ba6 21. Rf3 Rac8 22. Rfc3 Rxc3 23. Rxc3 Rc8 24. Kf2 Rxc3 25. bxc3 Bd3 26. Ke3 Bf1 27. g3 b5 28. Kd2 Kf8 29. Bc2 h5 30. f5 Bh3 31. fxe6 fxe6 32. Bd3 a6 33. Kc2 g5 34. Kb3 Bf5 35. Be2 h4 36. Kb4 Bc2 37. Ka5 Kg7 38. Kxa6 Bf5 39. Kxb5 1-0

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "3"]
[White "De Clerck, Martijn"]
[Black "Van Tongeren, Jasper"]
[Result "0-1"]
[ECO "D13"]
[PlyCount "96"]
[EventDate "2000.08.07"]
[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 Nf6 3. c4 c6 4. Nc3 Bg4 5. cxd5 cxd5 6. Bg5 Nc6 7. Ne5 Nd7 8. Nxg4 h6 9. Bf4 e6 10. e3 f6 11. h3 g5 12. Bg3 h5 13. Nb5 e5 14. Nxf6+ Nxf6 15. dxe5 Qa5+ 16. Qd2 Bb4 17. Nc3 Ne4 18. Qd3 Nxc3 19. Qg6+ Kd7 20. e6+ Kc8 21. bxc3 Bxc3+ 22. Ke2 Qb5+ 23. Qd3 Qxd3+ 24. Kxd3 Bxa1 25. Be2 h4 26. Bd6 Be5 27. Bc5 b6 28. Ba3 Bf6 29. Rc1 Kb7 30. Kd2 Rhe8 31. Bf3 Rad8 32. Bg4 Ne5 33. Bh5 Rxe6 34. Ke2 d4 35. exd4 Nc4+ 36. Kf1 Nxa3 37. Bf3+ Kb8 38. d5 Re5 39. Rc6 Rde8 40. Kg1 Re1+ 41. Kh2 Be5+ 42. g3 hxg3+ 43. fxg3 Rf8 44. Kg2 Bd4 45. h4 Rg1+ 46. Kh3 Rxf3 47. d6 Rfxg3+ 48. Kh2 Rg4 0-1

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "2"]
[White "Van Helvert, Vincent"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "56"]
[EventDate "2000.08.07"]
[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. Nf3 Nc6 4. a3 d5 5. exd5 exd5 6. Qe2+ Be6 7. Qb5 Qd7 8. Qe2 Nf6 9. h3 Bd6 10. Qd1 0-0 11. Bb5 Rfe8 12. Bxc6 bxc6 13. 0-0 h6 14. b3 Ne4 15. Nxe4 dxe4 16. Ne1 Bxh3 17. Qh5 Bg4 18. Qh4 Be2 19. Bb2 Be5 20. Bxe5 Rxe5 21. Qf4 Rae8 22. Qe3 Bxf1 23. Kxf1 Qd4 24. Qxd4 cxd4 25. a4 a5 26. Rb1 c5 27. d3 f5 28. f3 e3 0-1

[Event "NED-ch U14 op"]
[Site "Hengelo"]
[Date "2000.08.07"]
[Round "1"]
[White "De Clerck, Martijn"]
[Black "Springelkamp, Henriet"]
[Result "0-1"]
[ECO "D15"]
[PlyCount "122"]
[EventDate "2000.08.07"]
[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 Nf6 3. c4 c6 4. Nc3 Bf5 5. cxd5 Nxd5 6. Nxd5 cxd5 7. Qa4+ Qd7 8. Qxd7+ Nxd7 9. Bf4 e6 10. a3 Be7 11. e3 a6 12. b4 0-0 13. Be2 Rac8 14. 0-0 Nb6 15. Rac1 Rc2 16. Rxc2 Bxc2 17. Bc7 Bd8 18. Rc1 Bxc7 19. Rxc2 Rc8 20. g3 Bd6 21. Rxc8+ Nxc8 22. Bd3 Nb6 23. e4 f6 24. e5 Be7 25. Nd2 fxe5 26. dxe5 Na4 27. f4 g6 28. Kf2 Nc3 29. Nb3 Nd1+ 30. Ke2 Nb2 31. Na5 Nxd3 32. Kxd3 b6 33. Nc6 Kf7 34. Kd4 Ke8 35. a4 h6 36. a5 bxa5 37. bxa5 Bd8 38. Kc5 Bc7 39. g4 Kd7 40. f5 gxf5 41. gxf5 exf5 42. Kxd5 f4 43. e6+ Ke8 44. Nd4 Bxa5 45. Ke4 Bb6 46. Nf5 a5 47. Kxf4 a4 48. Nd6+ Ke7 49. Nc4 Bc5 50. Kg4 Kxe6 51. Kh5 Kd5 52. Na5 Be3 53. Kg4 Kc5 54. Nb7+ Kb4 55. Nd6 a3 56. Nf5 Bg5 57. Nd4 a2 58. h4 Bc1 59. Kh5 Kc4 60. Nc2 Kc3 61. Na1 Kb2 0-1

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.14"]
[Round "9"]
[White "Broekkamp, Wilco"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "107"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. Nc3 Nc6 4. Bb5 a6 5. Bxc6 bxc6 6. d3 d5 7. Ne5 Qc7 8. Bf4 Bd6 9. Qh5 g6 10. Nxg6 fxg6 11. Bxd6 Qxd6 12. Qe2 d4 13. Na4 e5 14. 0-0 Nf6 15. Rfe1 0-0 16. h3 Rb8 17. b3 Be6 18. Qd2 Nd7 19. c3 Rf6 20. Rac1 Rbf8 21. Re2 Kh8 22. Qc2 Nb8 23. cxd4 cxd4 24. Qc5 Qxc5 25. Rxc5 Rc8 26. Rec2 Rcf8 27. f3 Rc8 28. Nb6 Rc7 29. b4 Nd7 30. Rxc6 Rxc6 31. Rxc6 Kg7 32. a4 Nxb6 33. Rxb6 Bb3 34. a5 Bc2 35. b5 Bxd3 36. Rxf6 Bxb5 37. Rd6 Kf7 38. Kf2 Ke7 39. Rd5 Ke6 40. Rxb5 axb5 41. a6 Kd6 42. a7 Kc5 43. Ke2 Kc4 44. Kd2 b4 45. a8Q Kb3 46. Qd5+ Kb2 47. Qc4 b3 48. Qb4 h5 49. h4 g5 50. hxg5 h4 51. g6 Ka2 52. g7 Ka1 53. Qxb3 h3 54. g8R 1-0

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "8"]
[White "De Clerck, Martijn"]
[Black "Bonte, Holger"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "116"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Nbd7 5. cxd5 exd5 6. Bg5 c6 7. e3 Qa5 8. Bxf6 Nxf6 9. h3 Bb4 10. Qc2 Ne4 11. Rc1 Bf5 12. Bd3 Nxc3 13. bxc3 Bxd3 14. Qxd3 Bd6 15. Qc2 0-0 16. 0-0 Rfe8 17. Ng5 g6 18. Rb1 Re7 19. Rb2 Rc8 20. Rfb1 b6 21. Nf3 c5 22. Nd2 cxd4 23. Nb3 Qa6 24. Nxd4 f5 25. Nxf5 gxf5 26. Qxf5 Qc4 27. Qf6 Rc6 28. Qg5+ Rg7 29. Qd8+ Bf8 30. Rb4 Rc8 31. Rxc4 Rxd8 32. Rd4 Bc5 33. Rd2 Rd6 34. Rbd1 Kf7 35. Kf1 h6 36. Ke2 Ke6 37. Rc2 b5 38. a4 bxa4 39. Ra2 Ra6 40. Rb1 a3 41. f4 Re7 42. Rd1 Rb6 43. g4 Kf6 44. Rxd5 Rb2+ 45. Kd3 Rxa2 46. Rxc5 Rh2 47. Ra5 a2 48. Ra6+ Kf7 49. h4 Rd7+ 50. Kc4 Rxh4 51. Rxa2 Rxg4 52. Rh2 Kg6 53. Ra2 h5 54. Ra6+ Kf5 55. Ra5+ Ke4 56. Rxh5 Kxe3 57. Rh3+ Kxf4 58. Rh2 Kg3+ 0-1

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "7"]
[White "Luth, Jan Wilbert"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "118"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 cxd4 4. cxd4 d5 5. exd5 exd5 6. g3 Nf6 7. Bg2 Be6 8. Nc3 Bb4 9. Nge2 0-0 10. 0-0 Nc6 11. Bg5 Be7 12. Nf4 Ne4 13. Nxe4 Bxg5 14. Nxg5 Qxg5 15. Re1 Rae8 16. Rc1 Re7 17. a3 Rd8 18. b4 a6 19. Bf1 Qf6 20. b5 axb5 21. Bxb5 Nxd4 22. Nh5 Nf3+ 23. Kh1 Qg5 24. Qxf3 Bg4 25. Qf4 Rxe1+ 26. Rxe1 Qxh5 27. Qd6 Bf3+ 28. Kg1 Qg5 29. Qxd8+ Qxd8 30. Re8+ Qxe8 31. Bxe8 Kf8 32. Bb5 Ke7 33. Kf1 Kd6 34. Bd3 h6 35. Ke1 Be4 36. Bxe4 dxe4 37. Ke2 Kd5 38. Kd2 Kd4 39. Kc2 Kc4 40. Kb2 Kd3 41. Kb3 Ke2 42. Kc4 Kxf2 43. a4 e3 44. a5 e2 45. Kb5 e1Q 46. h4 Kxg3 47. h5 g6 48. hxg6 fxg6 49. Kb6 Qb4+ 50. Kc7 Qxa5+ 51. Kd6 Kf4 52. Ke6 Qe5+ 53. Kd7 Qf6 54. Kc7 b5 55. Kd7 Ke5 56. Kc7 Kd5 57. Kd7 Qf7+ 58. Kd8 Kc6 59. Kc8 Qf8# 0-1

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.12"]
[Round "6"]
[White "De Clerck, Martijn"]
[Black "Vivolo, Felipe"]
[Result "1/2-1/2"]
[ECO "D32"]
[PlyCount "63"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. cxd5 exd5 5. Nc3 c5 6. e3 b6 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. 0-0 Qc7 10. dxc5 Qxc5 11. Nd4 Be7 12. Re1 Qd6 13. Qe2 a6 14. e4 dxe4 15. Nf5 Qe5 16. Nxg7+ Kf8 17. Bh6 Kg8 18. Rad1 Bf8 19. Nxe4 Bxg7 20. Nxf6+ Qxf6 21. Bxg7 Kxg7 22. Qg4+ Kf8 23. Qxd7 Qxb2 24. Qd6+ Kg7 25. Qd4+ Qxd4 26. Rxd4 Rac8 27. Rd6 Rc2 28. Rxb6 Rxa2 29. g3 a5 30. Ra6 Rd8 31. Re5 a4 32. Rea5 1/2-1/2

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "4"]
[White "De Clerck, Martijn"]
[Black "Leenman, Timo"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "116"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 0-0 6. Bxf6 Bxf6 7. e4 fxe4 8. Nxe4 b6 9. Bd3 Bb7 10. Qc2 h6 11. 0-0 Nc6 12. Nxf6+ Qxf6 13. d5 exd5 14. cxd5 Nb4 15. Qxc7 Bxd5 16. Qxd7 Bxf3 17. gxf3 Nxd3 18. Qxd3 Qxb2 19. Kh1 Qf6 20. Rg1 Qxf3+ 21. Qxf3 Rxf3 22. Rg2 Rc8 23. Rd1 Rc2 24. Rd8+ Kh7 25. Rd7 Rc1+ 26. Rg1 Rxg1+ 27. Kxg1 Ra3 28. Rd2 b5 29. Rb2 a6 30. Kg2 Kg6 31. f3 Kf5 32. Kg3 g5 33. Kf2 h5 34. h3 h4 35. Ke2 Kf4 36. Rb4+ Kg3 37. Rg4+ Kxh3 38. Rxg5 Rxa2+ 39. Ke3 b4 40. f4 b3 41. Rg1 Rg2 42. Rb1 Rg3+ 43. Ke4 Kg4 44. Ke5 Re3+ 45. Kd4 Kxf4 46. Rf1+ Rf3 47. Rxf3+ Kxf3 48. Kc3 h3 49. Kxb3 h2 50. Ka3 h1Q 51. Ka2 Qc1 52. Kb3 Qd2 53. Ka3 a5 54. Kb3 a4+ 55. Ka3 Qc3+ 56. Ka2 Qb3+ 57. Ka1 Qb4 58. Ka2 a3 0-1

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "5"]
[White "Hendriks, Tobias"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "88"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. Nc3 Qb6 6. Nf3 Bxf2+ 7. Ke2 Bc5 8. Qd3 a6 9. Bd2 Ne7 10. Na4 Qd6 11. Qxd6 Bxd6 12. Nb6 Ra7 13. Be3 0-0 14. Nxc8 Nxc8 15. Bxa7 Nxa7 16. e5 Bc5 17. Kd1 d5 18. Bd3 Nac6 19. c3 Nd7 20. Kc2 Ncxe5 21. Nxe5 Nxe5 22. Rhe1 Nxd3 23. Kxd3 Bd6 24. h3 Rd8 25. Kc2 Rc8 26. Kb3 Bg3 27. Re3 Bh4 28. Rf3 Bf6 29. Rc1 b5 30. Kb4 d4 31. c4 h6 32. c5 Be7 33. Rd3 e5 34. Rdd1 f6 35. Ka5 Rc6 36. b3 Bd8+ 37. Kb4 Kf7 38. a4 bxa4 39. bxa4 Ke6 40. Rc2 Kd5 41. Re1 e4 42. Kb3 Ba5 43. Rf1 d3 44. Rcc1 d2 0-1

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "2"]
[White "De Clerck, Martijn"]
[Black "Schroeder, Jurjen"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "73"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Nc3 Nf6 4. Ne5 Nxe5 5. dxe5 Ne4 6. Nxe4 dxe4 7. Qxd8+ Kxd8 8. g3 f5 9. exf6 exf6 10. Bg2 f5 11. Bg5+ Be7 12. Rd1+ Ke8 13. Bxe7 Kxe7 14. 0-0 Be6 15. b3 Rhd8 16. f3 exf3 17. exf3 Kf7 18. f4 c6 19. Bf3 g6 20. Rf2 Rxd1+ 21. Bxd1 Rd8 22. Bf3 Ke7 23. Re2 Kf6 24. Kf2 h6 25. h4 Kf7 26. Ke3 Ke7 27. Rd2 Rd6 28. Rxd6 Kxd6 29. h5 Bf7 30. hxg6 Bxg6 31. c4 Kc5 32. a3 a5 33. a4 b5 34. axb5 cxb5 35. cxb5 Kxb5 36. Bd5 Kc5 37. Be6 1/2-1/2

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "3"]
[White "Verboom, Linda"]
[Black "De Clerck, Martijn"]
[Result "1/2-1/2"]
[ECO "B40"]
[PlyCount "51"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. Nc3 Qb6 6. Na4 Qb4+ 7. c3 Qa5 8. b4 Bxb4 9. cxb4 Qxb4+ 10. Ke2 e5 11. Nf5 Qxe4+ 12. Ne3 Nc6 13. Bb2 b6 14. Qc2 Qxc2+ 15. Nxc2 Ba6+ 16. Ke3 Bxf1 17. Rhxf1 Rc8 18. Rac1 Nge7 19. Rfd1 d5 20. Ba3 d4+ 21. Kf3 0-0 22. Nb4 Nxb4 23. Bxb4 Rxc1 24. Rxc1 Rc8 25. Rxc8+ Nxc8 26. Ke4 1/2-1/2

[Event "NED U14 op"]
[Site "Hengelo"]
[Date "1999.08.09"]
[Round "1"]
[White "Zomer, Anoek"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "155"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. Be3 Qb6 6. b3 e5 7. Nf5 Bxe3 8. Nxe3 Nf6 9. Bd3 d6 10. Nd2 0-0 11. 0-0 Nc6 12. h3 Be6 13. Re1 Ne7 14. Ndc4 Qc7 15. Qf3 d5 16. Nd2 Qd7 17. Rad1 Ng6 18. Nef1 Nf4 19. Qg3 N6h5 20. Qh2 d4 21. Nf3 Rac8 22. Nxe5 Qe7 23. Nf3 Nxd3 24. cxd3 Rc2 25. Rd2 Rxd2 26. N1xd2 Rc8 27. Nc4 Bxc4 28. dxc4 Re8 29. Nxd4 Qb4 30. Kf1 Qd2 31. Nf3 Qd3+ 32. Kg1 g6 33. e5 Ng7 34. Qf4 Ne6 35. Qe4 Qxe4 36. Rxe4 Nc5 37. Re1 Nd3 38. Re2 Nc1 39. Rd2 f6 40. exf6 Re2 41. Rxe2 Nxe2+ 42. Kf1 Nc1 43. g4 Nxa2 44. g5 Nc1 45. Nd2 Kf7 46. Kg2 Ne2 47. h4 b6 48. Kf3 Nd4+ 49. Ke4 Nf5 50. h5 Ke6 51. hxg6 hxg6 52. Nb1 Nd6+ 53. Kf4 a6 54. Nc3 b5 55. cxb5 axb5 56. Ne4 Nf5 57. Nc3 b4 58. Ne2 Kd6 59. Ke4 Ke6 60. Nf4+ Kf7 61. Nd5 Nd6+ 62. Ke5 Nb7 63. f4 Nc5 64. Nxb4 Nxb3 65. f5 gxf5 66. Kxf5 Nd4+ 67. Kg4 Kg6 68. Nd5 Ne6 69. Ne7+ Kf7 70. Kh5 Nf4+ 71. Kh6 Ne6 72. Nc8 Nf4 73. Nb6 Ne6 74. Nd5 Nf8 75. Kh5 Ne6 76. g6+ Kg8 77. Ne7+ Kf8 78. Kh6 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.08"]
[Round "9"]
[White "De Clerck, Martijn"]
[Black "Van Elteren, Hugo"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "45"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 Nbd7 7. Bd3 c5 8. d5 e6 9. 0-0 exd5 10. exd5 Re8 11. Bg5 h6 12. Bh4 Ne5 13. Nxe5 Rxe5 14. Qc2 Qf8 15. Bg3 Re8 16. Rfe1 Bd7 17. Re2 Nh5 18. Bh2 Rxe2 19. Nxe2 Re8 20. Nf4 Nxf4 21. Bxf4 Be5 22. Bxe5 Rxe5 23. Qe2 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.07"]
[Round "7"]
[White "De Clerck, Martijn"]
[Black "Van Assendelft, Floris"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "40"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. e3 d6 5. Bd3 0-0 6. 0-0 Nc6 7. Bd2 e5 8. d5 Ne7 9. e4 Ne8 10. Bg5 f6 11. Be3 f5 12. Bg5 h6 13. Bd2 fxe4 14. Bxe4 Nf6 15. Bc2 Bg4 16. Qc1 Bxf3 17. gxf3 Qd7 18. Bxh6 Qh3 19. Bg5 Kf7 20. Bh6 Bxh6 0-1

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.07"]
[Round "8"]
[White "Wolbers, Esther"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "81"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. c3 cxd4 4. cxd4 d5 5. e5 Bb4+ 6. Bd2 Bxd2+ 7. Nxd2 Nc6 8. Ngf3 Nge7 9. Nb3 b6 10. Bd3 0-0 11. 0-0 Bd7 12. Qd2 Rc8 13. Nc1 Qc7 14. Ne2 Nd8 15. Ba6 Nb7 16. Ng3 h6 17. Qf4 f5 18. Nh5 Be8 19. Ng3 Qb8 20. Ne2 Rc7 21. Rac1 Rxc1 22. Rxc1 Nd8 23. Rc3 b5 24. a4 Qb6 25. Bxb5 Bxb5 26. axb5 Qxb5 27. Qd2 Ndc6 28. Nf4 Kf7 29. Qc2 Rb8 30. b3 a5 31. h3 g5 32. Ne2 Nb4 33. Qd2 Nec6 34. h4 g4 35. Ne1 Rh8 36. Nc2 a4 37. bxa4 Qxa4 38. Nxb4 Qxb4 39. Qc2 Nxd4 40. Rc7+ Kg6 41. Nf4# 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.06"]
[Round "6"]
[White "Van Deutekom, Yde"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "D05"]
[PlyCount "49"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 e6 3. e3 Nf6 4. Nf3 Bd6 5. Be2 Nbd7 6. d4 b6 7. Nbd2 c5 8. c4 cxd4 9. exd4 0-0 10. 0-0 Qc7 11. Rc1 Qb8 12. cxd5 Nxd5 13. Bb5 N7f6 14. Ne5 h6 15. Bc6 Bb7 16. Bxb7 Qxb7 17. Ndc4 Bc7 18. Ba3 Rfd8 19. Qf3 b5 20. Ne3 Bb6 21. Nc6 Nxe3 22. Ne7+ Qxe7 23. Bxe7 Nxf1 24. Bxd8 Nxh2 25. Qxa8 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.05"]
[Round "4"]
[White "De Clerck, Martijn"]
[Black "Van Eijk, Sander"]
[Result "1/2-1/2"]
[ECO "E10"]
[PlyCount "43"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. e3 a6 5. Nc3 Be7 6. Bd3 d5 7. cxd5 exd5 8. 0-0 0-0 9. e4 Nc6 10. dxc5 dxe4 11. Bxe4 Bxc5 12. Qxd8 Rxd8 13. Bg5 Be7 14. Bxc6 bxc6 15. Ne4 Nd5 16. Bxe7 Nxe7 17. Rfe1 Ra7 18. Rad1 Rad7 19. Rxd7 Rxd7 20. Nc5 Rc7 21. Nd4 h6 22. Rc1 1/2-1/2

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.05"]
[Round "5"]
[White "Ruygrok, Dennis"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "65"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. Nb3 Be7 6. Nc3 d6 7. Bf4 e5 8. Be3 Nf6 9. Be2 Nc6 10. 0-0 a6 11. f3 Be6 12. Nd5 b5 13. Bb6 Qb8 14. Nc7+ Kd7 15. Nxa8 Qxa8 16. c3 Bxb3 17. Qxb3 Qf8 18. a4 d5 19. exd5 Bc5+ 20. Bxc5 Qxc5+ 21. Kh1 Na5 22. Qc2 b4 23. Bxa6 bxc3 24. Qxc3 Qxc3 25. bxc3 Nxd5 26. Bb5+ Ke7 27. Rfe1 f6 28. c4 Nb4 29. Red1 Nc2 30. Rd7+ Ke6 31. Rad1 g6 32. Ra7 Nb3 33. Bd7+ 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.04"]
[Round "3"]
[White "De Clerck, Martijn"]
[Black "Harmsen, Victor"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "95"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Nc3 Nf6 4. Ne5 e6 5. Nxc6 bxc6 6. Bg5 Ba6 7. a3 Rb8 8. b3 Be7 9. g3 0-0 10. Bg2 Ng4 11. Bxe7 Qxe7 12. e4 Qf6 13. Qxg4 Qxd4 14. Qf3 dxe4 15. Qe3 Qxe3+ 16. fxe3 f5 17. Bf1 Bc8 18. Bc4 Kh8 19. Ne2 g5 20. Nd4 c5 21. Nxe6 Bxe6 22. Bxe6 Rb6 23. Bd5 c6 24. Be6 Rb7 25. 0-0 Kg7 26. Rxf5 Rxf5 27. Bxf5 Re7 28. Rf1 h6 29. h4 gxh4 30. gxh4 Kh8 31. Rf4 Rg7+ 32. Kf2 Rf7 33. Bxe4 Rd7 34. Rf6 Kg7 35. Rxc6 Rd2+ 36. Kf3 Rh2 37. Rg6+ Kf8 38. Rxh6 a5 39. Bd3 Rh3+ 40. Ke4 Rg3 41. Rh7 Rg4+ 42. Kd5 Rg3 43. e4 Kg8 44. Ra7 Rh3 45. Rxa5 Rxh4 46. Rxc5 Rh5+ 47. e5 Kf8 48. Kd6 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.04"]
[Round "2"]
[White "Struik, Tjapko"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "53"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. Be3 Qb6 6. b3 e5 7. Nf5 Bxe3 8. Nxe3 Qb4+ 9. Nd2 Nf6 10. c3 Qb6 11. Ndc4 Qc5 12. Nd6+ Kf8 13. Qd2 Qc6 14. f3 b6 15. Bb5 Qc7 16. c4 Nc6 17. Bxc6 dxc6 18. Rd1 Be6 19. Qc3 Nd7 20. Qb4 c5 21. Qc3 f6 22. Qd2 Rd8 23. Nb5 Qb8 24. Nd5 Bxd5 25. Qxd5 Ke7 26. Nd6 Rhf8 27. Nf5+ 1-0

[Event "NED-ch U14"]
[Site "Leiden"]
[Date "1999.05.03"]
[Round "1"]
[White "De Clerck, Martijn"]
[Black "Sminia, Jelmer"]
[Result "0-1"]
[ECO "D43"]
[PlyCount "88"]
[EventDate "1999.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. a3 Nbd7 6. Bf4 Be7 7. c5 b6 8. b4 bxc5 9. bxc5 Nh5 10. Bd2 Ba6 11. Na2 Qc7 12. Qa4 Bb5 13. Qa5 Qxa5 14. Bxa5 Bd8 15. Bxd8 Kxd8 16. e3 Bxf1 17. Rxf1 h6 18. Nb4 Kc7 19. Kd2 Nhf6 20. Kd3 a5 21. Nc2 Rhb8 22. Rab1 Ne4 23. Nd2 Rxb1 24. Nxb1 Rb8 25. f3 Rb3+ 26. Ke2 Nc3+ 27. Nxc3 Rxc3 28. Kd2 Rb3 29. g4 Kb7 30. Ra1 Ka6 31. f4 Nf6 32. h3 Ne4+ 33. Ke2 Rb2 34. Kd3 a4 35. Nb4+ Kb5 36. Ra2 Nf2+ 37. Kc3 Rxa2 38. Nxa2 Nxh3 39. Nb4 Nf2 40. g5 hxg5 41. fxg5 Ne4+ 42. Kb2 Nxg5 43. Nd3 Nf3 44. Nf4 e5 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Brandenburg, Daan"]
[Black "De Clerck, Martijn"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "50"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. d4 cxd4 4. Nxd4 Bc5 5. Nf3 Qb6 6. Qe2 Nf6 7. g3 Nc6 8. Bg2 Bb4+ 9. c3 Be7 10. 0-0 0-0 11. Be3 Qc7 12. Bd4 Nxd4 13. cxd4 b6 14. Nc3 Bb7 15. Rac1 Qd8 16. e5 Nd5 17. Nxd5 Bxd5 18. a3 Rc8 19. Rxc8 Qxc8 20. Qe3 Qc2 21. Qd2 Rc8 22. Rc1 Qxc1+ 23. Qxc1 Rxc1+ 24. Bf1 Bxf3 25. h4 Be2 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Broekmeulen, Jasper"]
[Black "De Clerck, Martijn"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "37"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Bc5 5. Be3 Qb6 6. b3 e5 7. Nf5 Bxe3 8. Nxe3 Qb4+ 9. Nd2 Nc6 10. Nd5 Qa5 11. c3 Nge7 12. Nc4 Qd8 13. Nd6+ Kf8 14. Qf3 f6 15. Nxf6 g6 16. Nd5+ Kg7 17. Qf6+ Kh6 18. Nf7+ Kh5 19. Qg5# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "De Clerck, Martijn"]
[Black "Goverde, Anne"]
[Result "1-0"]
[ECO "D35"]
[PlyCount "63"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Ne5 Nxe5 7. dxe5 Nd7 8. Qxd5 Be7 9. e6 fxe6 10. Qxe6 Nc5 11. Qc4 b6 12. Qd5 Qxd5 13. Nxd5 Bd6 14. Bf4 0-0 15. Bxd6 cxd6 16. e3 Ba6 17. Nc7 Rac8 18. Nxa6 Ne4 19. f3 Nc5 20. Nxc5 Rxc5 21. Bd3 Rfc8 22. 0-0 Rd5 23. Be4 Rd2 24. b3 Rc3 25. Rfd1 Re2 26. Rxd6 Rcxe3 27. Rd8+ Kf7 28. Rd7+ Kf6 29. Rc1 Kg5 30. Rd5+ Kh4 31. g3+ Kh3 32. Rh5# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "De Clerck, Martijn"]
[Black "Jacobs, Saroja"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "75"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Nf3 Bf5 4. Bf4 Nc6 5. Ne5 Bd7 6. Nxc6 Bxc6 7. e3 e6 8. Bd3 Bb4 9. Qd2 0-0 10. 0-0 Re8 11. a3 Bd6 12. Bxd6 Qxd6 13. Nb5 Qd7 14. Qb4 a6 15. Nc3 Qe7 16. Qxe7 Rxe7 17. Ne2 e5 18. dxe5 Rxe5 19. c4 dxc4 20. Bxc4 Bb5 21. Bxb5 Rxb5 22. b4 a5 23. Nd4 Rd5 24. Rab1 axb4 25. Rxb4 c5 26. Rxb7 cxd4 27. Rfb1 g6 28. Rc7 dxe3 29. fxe3 Rd7 30. Rc6 Ng4 31. e4 Rxa3 32. Rc8+ Kg7 33. h3 Ne5 34. Re8 Ra5 35. Rbb8 Ra1+ 36. Kh2 Rd2 37. Rxe5 Raa2 38. Rg5 1/2-1/2

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "De Clerck, Martijn"]
[Black "Kuipers, Stefan"]
[Result "1-0"]
[ECO "D13"]
[PlyCount "79"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Ne5 Bd7 7. Nxc6 Bxc6 8. g3 e6 9. Bg2 Bd6 10. 0-0 0-0 11. Bg5 Be7 12. Bxf6 Bxf6 13. e3 h6 14. Ne2 Bb5 15. Re1 Be7 16. a3 Qd7 17. Nf4 Bd8 18. Qg4 Bg5 19. Nh5 f5 20. Qf3 Rac8 21. h4 Bf6 22. Nxf6+ Rxf6 23. Rac1 Rff8 24. Bf1 Bxf1 25. Kxf1 Qb5+ 26. Qe2 Qxe2+ 27. Kxe2 a6 28. Kd2 Rc6 29. Rxc6 bxc6 30. Rc1 Rb8 31. b4 Rb6 32. Rc5 Kh7 33. Kc3 h5 34. a4 a5 35. Rxa5 Rb8 36. Ra6 Rc8 37. Kb3 Kg8 38. a5 Kf8 39. Ra7 g6 40. a6 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "De Clerck, Martijn"]
[Black "Offringa, Tjaart Jan"]
[Result "1/2-1/2"]
[ECO "E01"]
[PlyCount "50"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. c4 c5 5. dxc5 Bxc5 6. a3 0-0 7. b4 Bd6 8. c5 Bc7 9. Bg2 b6 10. cxb6 Bxb6 11. Bb2 Nbd7 12. 0-0 Bb7 13. e3 Rc8 14. Bd4 Bxd4 15. Qxd4 Qb6 16. Qxb6 Nxb6 17. Nbd2 Nc4 18. Nxc4 Rxc4 19. Rac1 Rfc8 20. Rxc4 Rxc4 21. Nd4 h6 22. Nb5 a6 23. Nd6 Rc7 24. Nxb7 Rxb7 25. Rc1 Nd7 1/2-1/2

