[Event "Ghent Taminco op 35th"]
[Site "Ghent"]
[Date "2012.07.14"]
[Round "2"]
[White "Hovhannisyan, Mher"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2485"]
[BlackElo "2011"]
[PlyCount "85"]
[EventDate "2012.07.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 6. cxd5 Bg7 7. Qb3 0-0 8. Be2 Nbd7 9. Bf3 Nb6 10. Nge2 Bg4 11. Bxg4 Nxg4 12. Bg5 Rc8 13. a4 h6 14. Bh4 g5 15. Bg3 Qd7 16. 0-0 Nf6 17. d6 exd6 18. Nb5 Nc4 19. Rfc1 a6 20. Rxc4 axb5 21. Rxc8 Rxc8 22. axb5 Ne4 23. Qd3 Nxg3 24. Nxg3 Qe6 25. Nf5 Qc4 26. Qxc4 Rxc4 27. g4 Rb4 28. Ra8+ Kh7 29. Nxd6 Bxd4 30. Rd8 Bxb2 31. h3 Ba3 32. Kg2 Rb2 33. Nc4 Rb3 34. Rd7 Kg7 35. Rxb7 Bc5 36. Ne5 Bd4 37. Nxf7 Rb2 38. Nxg5+ Kf6 39. Ne4+ Ke5 40. Re7+ Kf4 41. Kg1 Re2 42. Nc3 Rxf2 43. Rf7+ 1-0

[Event "Ghent Taminco op 34th"]
[Site "Ghent"]
[Date "2011.07.19"]
[Round "7"]
[White "Roos, Adrian"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2123"]
[BlackElo "1832"]
[PlyCount "85"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Nd7 7. Nh4 Bg6 8. Nd2 c5 9. c3 Nc6 10. Nxg6 hxg6 11. Nf3 Qc7 12. a3 Be7 13. Bf4 0-0-0 14. b4 c4 15. Qd2 Rh7 16. a4 Rdh8 17. h3 Qd8 18. Qe3 Nf8 19. Rfd1 f6 20. Nd2 g5 21. Bh2 f5 22. Nxc4 g4 23. Nd6+ Bxd6 24. exd6 g5 25. b5 f4 26. Qd3 gxh3 27. g3 Nb8 28. c4 Qxd6 29. cxd5 Nbd7 30. Rac1+ Kb8 31. Qc2 Ka8 32. dxe6 Nxe6 33. d5 fxg3 34. Bxg3 Nf4 35. Bg4 Nb8 36. Qf5 Qe7 37. d6 Ne2+ 38. Bxe2 Qxe2 39. Kh2 Rd7 40. Qxg5 Qf3 41. Qd5 Qg4 42. Rc7 Rhd8 43. Qxb7# 1-0

[Event "Ghent Taminco op 34th"]
[Site "Ghent"]
[Date "2011.07.18"]
[Round "5"]
[White "Cordts, Ingo"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2306"]
[BlackElo "1832"]
[PlyCount "51"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 g6 7. N1f3 Bg7 8. 0-0 0-0 9. b3 e5 10. dxe5 Ng4 11. Ba3 Ndxe5 12. Bxf8 Nxf3+ 13. Qxf3 Qc7 14. Qh3 Kxf8 15. Qxh7 Qf4 16. Qh4 Bd4 17. Rae1 Bf5 18. Bxf5 gxf5 19. Qh5 Qc7 20. Nf3 Bc3 21. Qxf5 Bxe1 22. Rxe1 Nh6 23. Qh7 Ng8 24. Ng5 Qf4 25. h4 Rd8 26. Qh8 1-0

[Event "Ghent Taminco op 34th"]
[Site "Ghent"]
[Date "2011.07.17"]
[Round "3"]
[White "Brasser, Paul"]
[Black "Witkamp, Jarno"]
[Result "1/2-1/2"]
[ECO "B17"]
[WhiteElo "2172"]
[BlackElo "1832"]
[PlyCount "21"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 g6 7. Bc4 Bg7 8. 0-0 0-0 9. Re1 Nb6 10. Bb3 Qc7 11. c3 1/2-1/2

[Event "Ghent Taminco op 34th"]
[Site "Ghent"]
[Date "2011.07.17"]
[Round "4"]
[White "Witkamp, Jarno"]
[Black "Ghyselen, Wouter"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1832"]
[BlackElo "2018"]
[PlyCount "95"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. Bg2 Be7 6. d3 0-0 7. Nf3 b6 8. 0-0 Bb7 9. Bf4 c5 10. d4 Na6 11. a3 Nc7 12. dxc5 bxc5 13. Qb3 Qc8 14. Nh4 Ne6 15. Nf5 Qd7 16. Be5 Ng4 17. Nxd5 Bxd5 18. Qxd5 Qxd5 19. Nxe7+ Kh8 20. Bxd5 Nxe5 21. Bxa8 Rxa8 22. Rac1 Rb8 23. Rfd1 g6 24. Rd5 Ng4 25. Rc4 Nf6 26. Rd2 Rb7 27. Nc6 Kg7 28. Ra4 Rb6 29. Nxa7 Nd4 30. f3 Rb3 31. Kf2 g5 32. Raxd4 cxd4 33. Nc6 d3 34. exd3 Nd5 35. Nd4 Rb7 36. b4 Kf6 37. Rc2 Ra7 38. Nb5 Rd7 39. Rc6+ Ke7 40. d4 Rb7 41. Rc5 Ke6 42. Nc3 Ne7 43. d5+ Ke5 44. Ne4 f5 45. d6+ Nd5 46. Nc3 Kxd6 47. Rxd5+ Ke6 48. Rc5 1-0

[Event "Ghent Taminco op 34th"]
[Site "Ghent"]
[Date "2011.07.16"]
[Round "2"]
[White "Witkamp, Jarno"]
[Black "Rijnaarts, Sjef"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1832"]
[BlackElo "2302"]
[PlyCount "95"]
[EventDate "2011.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 d6 6. Bd2 e5 7. b4 Nc6 8. Rb1 Nd4 9. e3 Ne6 10. Nge2 h5 11. a4 h4 12. a5 Rb8 13. Qc2 Ng4 14. h3 Nh6 15. g4 f5 16. gxf5 Nxf5 17. Rg1 Ne7 18. Be4 Qe8 19. Nd5 Nf5 20. b5 Qf7 21. Bc3 Nc5 22. Bh1 Be6 23. Kd2 c6 24. bxc6 bxc6 25. Rxb8 Rxb8 26. Nb4 d5 27. Nxc6 Rc8 28. Nxe5 Bxe5 29. Bxe5 dxc4 30. d4 Nd3 31. Bf4 Nxf2 32. Bg2 c3+ 33. Nxc3 Nxd4 34. Qb1 Rxc3 35. Kxc3 Ne2+ 36. Kd2 Nxg1 37. Qxg1 Qd7+ 38. Ke2 Bc4+ 39. Kxf2 Qd2+ 40. Kf3 Qe2+ 41. Ke4 Qd3+ 42. Ke5 Qf5+ 43. Kd6 Qxa5 44. Bc6 Qd8+ 45. Kc5 Bf7 46. Qg5 Qb6+ 47. Kd6 Qd8+ 48. Qxd8+ 1-0

[Event "Ghent Taminco op 33rd"]
[Site "Ghent"]
[Date "2010.07.19"]
[Round "6"]
[White "Witkamp, Jarno"]
[Black "Donovan, Linton"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1668"]
[BlackElo "2238"]
[PlyCount "72"]
[EventDate "2010.07.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Bd2 0-0 7. Rb1 b6 8. a3 Bb7 9. b4 Qc8 10. bxc5 bxc5 11. Qb3 Rb8 12. Nf3 Nd4 13. Qd1 Nxf3+ 14. exf3 Bc6 15. 0-0 Rxb1 16. Qxb1 Qa8 17. Ne4 d6 18. Bg5 Rb8 19. Qc2 Nxe4 20. fxe4 Rb2 21. Qc1 Qb7 22. Bh6 Qb3 23. Bxg7 Kxg7 24. Qg5 e5 25. Qe7 Qxd3 26. Qxa7 Bxe4 27. Bxe4 Qxe4 28. Qd7 Qd4 29. a4 Ra2 30. Qb5 Rb2 31. Qc6 e4 32. a5 e3 33. fxe3 Qxe3+ 34. Kh1 Qe2 35. Rxf7+ Kxf7 36. Qd5+ Kg7 0-1

[Event "Bussum op"]
[Site "Bussum"]
[Date "2008.05.11"]
[Round "4"]
[White "Grashuis, Aldert Jan"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B15"]
[BlackElo "1656"]
[PlyCount "37"]
[EventDate "2008.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc4 Nf6 5. f3 Bf5 6. fxe4 Nxe4 7. Nf3 e6 8. 0-0 c5 9. Nxe4 Bxe4 10. Ng5 Bg6 11. d5 Be7 12. Bb5+ Nd7 13. dxe6 Bxg5 14. Bxg5 Qxg5 15. Qxd7+ Kf8 16. Rxf7+ Kg8 17. Rxg7+ Kf8 18. Rf1+ Bf5 19. Qf7# 1-0

[Event "Bussum op"]
[Site "Bussum"]
[Date "2008.05.11"]
[Round "5"]
[White "Witkamp, Jarno"]
[Black "Weidema, Rik"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "1656"]
[PlyCount "77"]
[EventDate "2008.05.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 124 Extra"]
[Source "ChessBase"]
[SourceDate "2008.07.03"]
[SourceVersion "1"]
[SourceVersionDate "2008.07.03"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 c6 6. Nf3 Bd6 7. 0-0 0-0 8. d3 h6 9. Nd2 Be6 10. Nde4 Be7 11. a3 Qd7 12. b4 Na6 13. Bb2 f5 14. Nd2 Bf6 15. Nc4 Ne7 16. e4 f4 17. Ne2 Ng6 18. Qc2 Nc7 19. Rad1 Qf7 20. Nd6 Bb3 21. Nxf7 Bxc2 22. Rd2 Bb3 23. Nd6 Rab8 24. d4 Ne6 25. d5 Ng5 26. Nc1 Ba4 27. f3 Bd8 28. h4 Bc7 29. Nf5 Nf7 30. h5 Ngh8 31. gxf4 cxd5 32. Ne7+ Kh7 33. Nxd5 Rbd8 34. Bh3 Bd6 35. Rg2 Bd7 36. Bxd7 Rxd7 37. Nd3 Re8 38. Kh1 Re6 39. Rfg1 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "8"]
[White "Witkamp, Jarno"]
[Black "Burggraaf, Jan Theodoor"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1866"]
[BlackElo "2070"]
[PlyCount "64"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 f5 4. Bg2 Nf6 5. d3 d6 6. Nf3 e5 7. Bd2 c5 8. Rb1 Nc6 9. a3 0-0 10. b4 cxb4 11. axb4 e4 12. dxe4 fxe4 13. Ng5 a5 14. Ncxe4 Nxe4 15. Nxe4 axb4 16. Bg5 Bc3+ 17. Nxc3 Qxg5 18. Ne4 Qf5 19. 0-0 Be6 20. Nxd6 Qe5 21. Nxb7 Nd4 22. e3 Nf5 23. Bd5 Nxe3 24. fxe3 Qxe3+ 25. Kg2 Ra2+ 26. Kh1 Rxf1+ 27. Qxf1 Bxd5+ 28. cxd5 Qd2 29. Qh3 Qxd5+ 30. Kg1 Qd4+ 31. Kh1 Qe4+ 32. Kg1 Qxb1+ 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.29"]
[Round "9"]
[White "Witkamp, Jarno"]
[Black "Kamali, Mehran"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1866"]
[BlackElo "1979"]
[PlyCount "96"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. d3 Nc6 6. Nf3 0-0 7. 0-0 d6 8. Rb1 a6 9. a3 Rb8 10. b4 cxb4 11. axb4 b5 12. cxb5 axb5 13. Bd2 e5 14. Qc1 Ne7 15. Bh6 Qb6 16. Be3 Qc7 17. Ne4 Qxc1 18. Nxf6+ Bxf6 19. Rfxc1 Be6 20. Bg5 Kg7 21. Rc7 Nd5 22. Rc6 Rfd8 23. Bxf6+ Kxf6 24. Nd2 Rbc8 25. Ne4+ Ke7 26. Ra6 h6 27. Ra7+ Rd7 28. Rxd7+ Kxd7 29. f3 f5 30. Nf2 Rc2 31. e4 Nc3 32. Ra1 Ra2 33. Re1 Rb2 34. Ra1 Ra2 35. Re1 Rb2 36. Ra1 Rxb4 37. Ra7+ Kc8 38. Ra6 Kc7 39. Ra7+ Kb6 40. Rg7 Ne2+ 41. Kf1 Nd4 42. Ke1 Rb1+ 43. Kd2 Rb2+ 44. Ke1 Re2+ 45. Kf1 b4 46. Rxg6 b3 47. Nd1 Rd2 48. Nc3 Rc2 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.28"]
[Round "6"]
[White "Romijn, Bart"]
[Black "Witkamp, Jarno"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1842"]
[BlackElo "1866"]
[PlyCount "64"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. Bd3 e6 7. Nf3 c5 8. c3 Nc6 9. a3 Qb6 10. Be2 0-0-0 11. b4 c4 12. Bf4 f6 13. Bg3 fxe5 14. Bxe5 Nf6 15. Bxf6 gxf6 16. a4 Bd6 17. a5 Qc7 18. Na3 Nxb4 19. cxb4 Bxb4+ 20. Kf1 Bxa5 21. Qc1 b5 22. Nc2 Bb6 23. Nb4 a5 24. Na6 Qd6 25. Nc5 Bc6 26. Rxa5 Bxa5 27. Qa3 Bb6 28. g5 hxg5 29. Nxg5 fxg5 30. Bg4 Bxc5 31. dxc5 Qc7 32. Bxe6+ Kb7 0-1

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.26"]
[Round "4"]
[White "Dessing, Bastiaan"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1935"]
[BlackElo "1866"]
[PlyCount "79"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bd7 6. f4 e6 7. Nf3 Ne7 8. Be3 Na6 9. c3 Nc7 10. Bd3 b6 11. h5 Nc8 12. f5 c5 13. Qc2 c4 14. Be2 b5 15. Nbd2 a5 16. Nh4 Be7 17. f6 gxf6 18. Ng6 Rg8 19. Nxe7 Qxe7 20. Qh7 Qf8 21. exf6 e5 22. Bxh6 Rh8 23. Bxf8 Rxh7 24. Bg7 exd4 25. cxd4 Ne6 26. Nf3 Nxg7 27. Ng5 Nxh5 28. Nxh7 Nf4 29. Ng5 Ng6 30. Bf3 Bc6 31. Kd2 Nd6 32. Rae1+ Kd7 33. Rh7 Rf8 34. Rg7 Nh4 35. Re7+ Kd8 36. Bh1 Ng6 37. Nxf7+ Nxf7 38. Rexf7 Rh8 39. Rxg6 Be8 40. Bxd5 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.25"]
[Round "3"]
[White "Meurs, Tom WA"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "1972"]
[BlackElo "1866"]
[PlyCount "57"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bd3 g6 7. N1f3 Bg7 8. Qe2 h6 9. Ne4 Nxe4 10. Qxe4 Nf6 11. Qe2 Bg4 12. c3 Qd5 13. Bc4 Bxf3 14. gxf3 Qh5 15. Bd2 Nd5 16. 0-0-0 Bf6 17. h4 0-0-0 18. Bb3 e5 19. dxe5 Qxe5 20. Qc4 Qc7 21. Rhe1 Be5 22. Kb1 f5 23. Rg1 Qd6 24. Qa4 a6 25. c4 Nb6 26. Qa5 Nd7 27. Bc3 Bxc3 28. Qxc3 Qe5 29. Rxd7 1-0

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.24"]
[Round "2"]
[White "Witkamp, Jarno"]
[Black "Vermeulen, Wesley"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1866"]
[BlackElo "2043"]
[PlyCount "119"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bg7 7. Rb1 Nc6 8. c4 0-0 9. d3 e5 10. Be3 f5 11. Bc5 Re8 12. Bd5+ Be6 13. Bxe6+ Rxe6 14. Rxb7 e4 15. Kf1 Ne5 16. d4 Nxc4 17. e3 Qd5 18. Rb1 g5 19. Ne2 Rd8 20. Kg2 Rg6 21. Nc3 Qf7 22. h4 f4 23. exf4 gxf4 24. Nxe4 fxg3 25. Nxg3 Qd5+ 26. Qf3 Qxf3+ 27. Kxf3 Nd2+ 28. Ke3 Nxb1 29. Rxb1 Ra6 30. Rb7 Rxa2 31. Rxa7 Rxa7 32. Bxa7 Bf8 33. Ne4 Kf7 34. h5 Rd5 35. Bb8 c5 36. dxc5 Bxc5+ 37. Nxc5 Rxc5 38. h6 Kg6 39. Bf4 Rc3+ 40. Ke4 Rc4+ 41. Kf3 Kf5 42. Be3 Rc3 43. Kg3 Ke4 44. Kg4 Rc6 45. Kg3 Rg6+ 46. Kh3 Kf3 47. Kh2 Rg4 48. Kh3 Ra4 49. Kh2 Rh4+ 50. Kg1 Rh5 51. Bd2 Rh4 52. Be3 Ke2 53. Kg2 Rg4+ 54. Kh2 Rg6 55. Kh3 Kf3 56. Kh2 Rg2+ 57. Kh1 Rg8 58. Kh2 Ra8 59. Kh3 Ra1 60. Kh2 1/2-1/2

[Event "Groningen op-A"]
[Site "Groningen"]
[Date "2006.12.23"]
[Round "1"]
[White "Wielinga, Wiebe"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2154"]
[BlackElo "1866"]
[PlyCount "139"]
[EventDate "2006.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 116 Extra"]
[Source "ChessBase"]
[SourceDate "2007.03.07"]
[SourceVersion "1"]
[SourceVersionDate "2007.03.07"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh5 5. exd5 cxd5 6. Bb5+ Nc6 7. g4 Bg6 8. Ne5 Rc8 9. h4 f6 10. h5 Bxc2 11. Qxc2 fxe5 12. Qf5 a6 13. Bxc6+ Rxc6 14. Qxe5 e6 15. d4 Qd6 16. Bf4 Qxe5+ 17. Bxe5 Nh6 18. f3 Nf7 19. Bh2 Bb4 20. Rc1 Rc4 21. a3 Ba5 22. Ke2 Kd7 23. Kd3 Nd6 24. Be5 Rf8 25. Rhf1 Rf7 26. b3 Rxc3+ 27. Rxc3 Bxc3 28. Kxc3 Nb5+ 29. Kb4 b6 30. a4 Na7 31. f4 Nc6+ 32. Kc3 Nxe5 33. dxe5 Rf8 34. f5 Ke7 35. Kd4 h6 36. Rc1 exf5 37. gxf5 Rxf5 38. Kxd5 Rxh5 39. Rc7+ Kd8 40. Rxg7 Rh3 41. b4 Rd3+ 42. Kc6 Rd4 43. a5 bxa5 44. bxa5 Rc4+ 45. Kd6 Rd4+ 46. Ke6 Ra4 47. Kf6 Rf4+ 48. Ke6 h5 49. Rg8+ Kc7 50. Ke7 h4 51. Rh8 Rg4 52. e6 Rf4 53. Rh5 Kc6 54. Ke8 Kd6 55. e7 Rb4 56. Rh6+ Ke5 57. Kd7 Rb7+ 58. Kd8 Rb8+ 59. Kc7 Ra8 60. Kb6 Re8 61. Kxa6 Rxe7 62. Kb6 Kd5 63. a6 Re4 64. a7 Rb4+ 65. Kc7 Ra4 66. Kb7 Rb4+ 67. Rb6 Ra4 68. Ra6 Rb4+ 69. Kc7 Rc4+ 70. Kd7 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.09"]
[Round "9"]
[White "Witkamp, Jarno"]
[Black "In't Groen, Erik"]
[Result "1/2-1/2"]
[ECO "A11"]
[PlyCount "115"]
[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. c4 c6 2. Nc3 Nf6 3. Nf3 d5 4. cxd5 cxd5 5. g3 Nc6 6. Bg2 e6 7. d3 Bd6 8. 0-0 0-0 9. a3 Re8 10. b4 a6 11. Bd2 Bd7 12. Rc1 Rc8 13. Na4 Ne5 14. Nc5 Nxf3+ 15. Bxf3 Bc6 16. Rc2 Qc7 17. Qb1 Nd7 18. Nb3 Ne5 19. Bg2 Qb8 20. Rfc1 Ba4 21. Rxc8 Rxc8 22. Nc5 Bb5 23. a4 Be8 24. Rc2 Nd7 25. d4 Nb6 26. a5 Nc4 27. Bc1 Bc6 28. e4 Qa7 29. Bf1 Bb5 30. e5 Be7 31. Rc3 b6 32. axb6 Qxb6 33. Rb3 h6 34. Bd3 Qc6 35. f4 f5 36. g4 g6 37. Qa2 Kf7 38. Qg2 a5 39. bxa5 Bxc5 40. dxc5 Qxc5+ 41. Qf2 Qc6 42. Qa7+ Rc7 43. Qb8 Nxa5 44. Ba3 Rc8 45. Qa7+ Rc7 46. Qxa5 Bxd3 47. Rxd3 Qc2 48. Qb5 Qe2 49. Rb3 Qxg4+ 50. Rg3 Qxf4 51. Qb8 Qd4+ 52. Kg2 Rc2+ 53. Kh3 Rxh2+ 54. Kxh2 Qf2+ 55. Kh3 Qf1+ 56. Rg2 Qf3+ 57. Kh2 Qf4+ 58. Rg3 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "8"]
[White "De Groote, Jesper"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "39"]
[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. Nf3 g6 2. d4 Nf6 3. Bf4 Bg7 4. e3 Nc6 5. c4 d5 6. Nc3 dxc4 7. Bxc4 Nh5 8. Bg3 Bg4 9. Bxf7+ Kd7 10. h3 Bxf3 11. Qxf3 e6 12. d5 exd5 13. Qxd5+ Kc8 14. Be6+ Kb8 15. Rd1 Nxg3 16. fxg3 Re8 17. 0-0 Qxd5 18. Bxd5 Rxe3 19. Rf7 Re7 20. Bxc6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "7"]
[White "Witkamp, Jarno"]
[Black "Brandenburg, Rik"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "98"]
[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. c4 e5 2. Nc3 f5 3. d3 Nc6 4. g3 d6 5. Bg2 g6 6. Nf3 Nf6 7. a3 Bg7 8. b4 0-0 9. Rb1 Ne7 10. 0-0 h6 11. Ne1 c6 12. e3 d5 13. cxd5 cxd5 14. Bb2 Be6 15. Na4 Nd7 16. d4 b6 17. dxe5 Nxe5 18. Nd3 Qd6 19. Nf4 Bf7 20. Nc3 Rfd8 21. Nb5 Qd7 22. Nd4 Rac8 23. Qe2 Nc4 24. Rfc1 Nxb2 25. Rxc8 Nxc8 26. Rxb2 g5 27. Nd3 Nd6 28. Rc2 Nc4 29. Qf3 Nxa3 30. Ra2 Bxd4 31. exd4 Nc4 32. Ne5 Nxe5 33. dxe5 d4 34. Ra1 d3 35. Qe3 Qd4 36. Qxd4 Rxd4 37. Bf3 d2 38. Bd1 Re4 39. f3 Re1+ 40. Kf2 a5 41. bxa5 bxa5 42. f4 g4 43. Rb1 a4 44. Rb8+ Kg7 45. Rb7 Rxd1 46. Ke2 Rh1 47. Kxd2 Rxh2+ 48. Ke3 Kf8 49. Rb8+ Be8 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.07"]
[Round "6"]
[White "Severijnen, Arjon"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "65"]
[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 c6 2. d4 d5 3. e5 Bf5 4. c4 dxc4 5. Bxc4 e6 6. Nc3 Ne7 7. Nge2 Nd5 8. Ng3 Bg6 9. 0-0 Nd7 10. f4 N7b6 11. Bd3 Bxd3 12. Qxd3 c5 13. Nge4 Nxc3 14. bxc3 Qd7 15. Rd1 c4 16. Qc2 Nd5 17. a4 Be7 18. Qe2 Rc8 19. Ba3 Nxf4 20. Qf3 Nd5 21. Bxe7 Kxe7 22. Nd6 Rcf8 23. Qg3 Rhg8 24. Rdb1 b6 25. a5 g5 26. axb6 axb6 27. Nb5 Rb8 28. Ra7 Rb7 29. Rba1 Nf4 30. Kh1 Qxb5 31. Rxb7+ Kf8 32. Rb8+ Kg7 33. Qxg5+ 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "5"]
[White "Bakker, Kevin"]
[Black "Witkamp, Jarno"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "86"]
[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 c6 2. d4 d5 3. e5 Bf5 4. f4 e6 5. Nf3 Nd7 6. Be2 c5 7. c3 Qa5 8. Bd2 Qb6 9. Qc1 Rc8 10. Be3 cxd4 11. Nxd4 Be4 12. Nb5 Qa5 13. 0-0 a6 14. Nd4 Ne7 15. Nd2 Bg6 16. N2f3 Nc6 17. Qd2 Ndb8 18. Bd3 Nxd4 19. Nxd4 Nc6 20. Bxg6 hxg6 21. Rfb1 Nxd4 22. Bxd4 Bc5 23. Bxc5 Qxc5+ 24. Kh1 Kd7 25. Rc1 Ke7 26. Rc2 Rh4 27. f5 Rch8 28. h3 exf5 29. Rd1 Ke6 30. Qe2 Re4 31. Qf3 Rhh4 32. Rcd2 Rxe5 33. b3 Rhe4 34. c4 Re1+ 35. Rxe1 Rxe1+ 36. Kh2 Qg1+ 37. Kg3 Re3 38. Re2 d4 39. Kh4 Rxe2 40. Qxe2+ Qe3 41. Qf1 f4 42. g4 Kf6 43. Qg2 Qe1+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "4"]
[White "Witkamp, Jarno"]
[Black "Sminia, Jelmer"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "68"]
[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. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. g3 Nf6 5. Bg2 Nc6 6. d3 e6 7. Nf3 d4 8. Nb1 Bd7 9. 0-0 Be7 10. Nbd2 h5 11. h4 Rc8 12. Nc4 Kf8 13. Bf4 Be8 14. Rc1 Nd5 15. Bd2 f6 16. Bh3 Bf7 17. a3 g6 18. b4 a6 19. Rc2 Rc7 20. Qc1 Kg7 21. Qb2 b5 22. Na5 Nxa5 23. Rxc7 Qxc7 24. bxa5 e5 25. Rc1 Qd6 26. Qc2 Rb8 27. Qc6 Qxc6 28. Rxc6 Bxa3 29. Rxa6 b4 30. Ra7 b3 31. Be6 Ne7 32. Bxb3 Rxb3 33. a6 Rb8 34. Ba5 Nc6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "2"]
[White "Vanlerberghe, Filip"]
[Black "Witkamp, Jarno"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "2103"]
[PlyCount "118"]
[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. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. g3 0-0 5. Bg2 d6 6. Nf3 Nbd7 7. 0-0 c5 8. b3 cxd4 9. Nxd4 Nc5 10. Bb2 Rb8 11. Qd2 a6 12. Rfd1 Ne6 13. Nxe6 Bxe6 14. Rac1 Qd7 15. Ne4 Nxe4 16. Bxe4 Bxb2 17. Qxb2 b6 18. Rd4 Rfc8 19. Qd2 Rc5 20. Bf3 Qd8 21. Rh4 Qf8 22. Qe3 Qg7 23. b4 Rc7 24. Qa3 Ra7 25. c5 bxc5 26. bxc5 Qb2 27. Ra4 Qxa3 28. Rxa3 dxc5 29. Rxc5 Rb2 30. Rac3 Rxa2 31. Rc7 Rxc7 32. Rxc7 Bh3 33. Rc1 Kg7 34. e3 a5 35. Bd5 Rb2 36. Ra1 a4 37. Bg2 Bxg2 38. Kxg2 Rb4 39. Kf3 f5 40. Ra2 Kf6 41. Ke2 Ke5 42. Kd3 Kd5 43. Kc3 Kc5 44. Rd2 Rc4+ 45. Kb2 Kb4 46. Ka2 a3 47. Re2 e5 48. h3 Rc5 49. Rd2 Rc1 50. h4 Kc3 51. Rd5 Rc2+ 52. Kxa3 Rxf2 53. Rxe5 Rf3 54. Re7 h5 55. Ka4 Rxg3 56. Kb5 Kd3 57. Re6 Rg4 58. Kc5 Ke2 59. Kd5 Kf3 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "3"]
[White "Witkamp, Jarno"]
[Black "Lui, Kachun"]
[Result "0-1"]
[ECO "A17"]
[BlackElo "2183"]
[PlyCount "56"]
[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. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 Nf6 5. Nf3 c6 6. g3 Bf5 7. Bg2 Bd6 8. 0-0 Na6 9. Ne5 Qc7 10. Nd3 0-0 11. Bf4 Rfe8 12. Rc1 Bxd3 13. Bxd6 Bxe2 14. Qxe2 Qxd6 15. Qc2 Nd7 16. Qb3 Nb6 17. Rfe1 Qb4 18. Qxb4 Nxb4 19. Bf1 Rxe1 20. Rxe1 Nc2 21. Rd1 Re8 22. a3 Re1 23. Rd2 Na1 24. b4 Nb3 25. Rd3 Nc4 26. Kg2 Kf8 27. Nxd5 cxd5 28. Rxb3 Rxf1 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "Witkamp, Jarno"]
[Black "Gerssen, Jeanet"]
[Result "1-0"]
[ECO "A35"]
[PlyCount "39"]
[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. c4 c5 2. Nc3 Nc6 3. Nf3 e6 4. g3 d6 5. Bg2 Bd7 6. 0-0 Be7 7. d3 Nf6 8. a3 0-0 9. Rb1 Rb8 10. b4 b6 11. Bf4 Nh5 12. Bd2 f5 13. e3 Qe8 14. d4 Rc8 15. bxc5 bxc5 16. d5 Ne5 17. Nxe5 dxe5 18. Rb7 Ra8 19. Rxd7 Qxd7 20. dxe6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.10"]
[Round "9"]
[White "Kranenburg, Leo"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "39"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nbd7 7. c5 Be7 8. Bf4 Nf8 9. Nb5 Ng6 10. Nc7+ Kf8 11. Bg3 Rb8 12. Nxd5 Ra8 13. Nxe7 Nxe7 14. Bd3 Nc6 15. 0-0 b6 16. Bb5 Bb7 17. Qa4 Na5 18. c6 Bc8 19. b4 a6 20. Be2 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "7"]
[White "Van Eerd, Marieke"]
[Black "Witkamp, Jarno"]
[Result "0-1"]
[ECO "B10"]
[PlyCount "42"]
[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 c6 2. Nf3 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. Nc3 Nxe4 6. Nxe4 g6 7. d3 Bg7 8. 0-0 0-0 9. Be3 Bxb2 10. Rb1 Bg7 11. c3 b6 12. d4 Bf5 13. Qd3 Nd7 14. Rbd1 Nc5 15. Qc2 Nxe4 16. g4 Ng5 17. Qe2 Nxf3+ 18. Qxf3 Bd7 19. h3 f5 20. a3 fxg4 21. hxg4 Rxf3 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.09"]
[Round "8"]
[White "Witkamp, Jarno"]
[Black "Greeuw, Sietske"]
[Result "1-0"]
[ECO "A00"]
[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. g3 d5 2. d3 c5 3. Nd2 Nc6 4. c4 Nf6 5. Bg2 e6 6. f4 b6 7. Ngf3 Ng4 8. cxd5 exd5 9. Nb3 Bb7 10. 0-0 d4 11. h3 Nf6 12. Nbd2 Nd5 13. Nc4 f6 14. e4 dxe3 15. Nxe3 Nxe3 16. Bxe3 Be7 17. d4 cxd4 18. Nxd4 Qd7 19. Nxc6 Bxc6 20. Qxd7+ Kxd7 21. Rfd1+ Bd6 22. Rxd6+ Kxd6 23. Rd1+ Kc7 24. Rc1 Rae8 25. Rxc6+ Kd7 26. Rc3 Rc8 27. Ra3 Rc7 28. f5 Ke7 29. Bf4 Rd7 30. Bc6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.08"]
[Round "6"]
[White "Witkamp, Jarno"]
[Black "Hijweegen, Claudia"]
[Result "0-1"]
[ECO "A10"]
[PlyCount "56"]
[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. g3 f5 2. c4 Nf6 3. d3 e5 4. Bd2 c6 5. Bg2 Be7 6. Nf3 d6 7. 0-0 0-0 8. b4 Qe8 9. Qb3 Qh5 10. Nc3 Ng4 11. a4 e4 12. dxe4 fxe4 13. h3 Nf6 14. Ng5 h6 15. Ngxe4 Bxh3 16. Nxf6+ Rxf6 17. Ne4 Re6 18. Qf3 Bg4 19. Qb3 Bxe2 20. Rfe1 Bg4 21. Nxd6 Bxd6 22. c5 Qf7 23. Rxe6 Bxe6 24. Qe3 Bf8 25. Re1 Bd7 26. b5 a6 27. b6 a5 28. Qe5 Na6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "5"]
[White "Van den Bergh, Peter"]
[Black "Witkamp, Jarno"]
[Result "1/2-1/2"]
[ECO "B11"]
[PlyCount "69"]
[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 c6 2. Nc3 d5 3. Nf3 Bg4 4. d4 Nf6 5. e5 Ne4 6. Bd3 Nxc3 7. bxc3 e6 8. Rb1 b5 9. Bd2 Nd7 10. 0-0 a6 11. Ra1 c5 12. a4 c4 13. Be2 Nb6 14. axb5 axb5 15. Qb1 Qd7 16. Qb2 Na4 17. Rfb1 Ra5 18. Qc1 Be7 19. Rb2 0-0 20. Rba2 Rfa8 21. Kh1 Qb7 22. Ng1 Bf5 23. h3 R5a7 24. g4 Bg6 25. f4 Nb6 26. Qb1 Rxa2 27. Rxa2 Rxa2 28. Qxa2 Qa8 29. Qb1 Qa4 30. Bd1 Nd7 31. Ne2 Nf8 32. Ng3 Bh4 33. Kg2 Bxg3 34. Kxg3 Be4 35. h4 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.07"]
[Round "4"]
[White "Witkamp, Jarno"]
[Black "Gerritse, Youri"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "97"]
[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. g3 d5 2. d3 e5 3. Nd2 f5 4. c4 c6 5. a3 Nf6 6. b4 Be6 7. Bb2 Nbd7 8. Ngf3 Bd6 9. Ng5 Bg8 10. Bh3 h6 11. Ngf3 Bh7 12. d4 e4 13. Ne5 Bxe5 14. dxe5 Ng4 15. Bxg4 fxg4 16. cxd5 cxd5 17. e3 Qg5 18. Nb3 Nxe5 19. Nc5 b6 20. Bxe5 Qxe5 21. Qa4+ Kf7 22. Qd7+ Kg6 23. Qxg4+ Kf7 24. Qd7+ Kg8 25. Qe6+ Qxe6 26. Nxe6 Kf7 27. Nf4 Rhd8 28. Rc1 Rac8 29. Kd2 Bg8 30. Rxc8 Rxc8 31. Rc1 Rxc1 32. Kxc1 Ke7 33. Kd2 Kd6 34. Kc3 Kc6 35. Ne2 g5 36. Nd4+ Kd7 37. Ne2 Bf7 38. Kd4 Kd6 39. Nc3 a6 40. Na4 Kc6 41. h3 h5 42. h4 g4 43. Nc3 Kd6 44. Ne2 Kc6 45. Nf4 Kb5 46. Kc3 Ka4 47. Kb2 a5 48. bxa5 Kxa5 49. Ne2 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "3"]
[White "Bakker, Kevin"]
[Black "Witkamp, Jarno"]
[Result "1/2-1/2"]
[ECO "D70"]
[PlyCount "143"]
[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. c4 c6 3. Nf3 Nf6 4. Nbd2 g6 5. e3 Bg7 6. b3 0-0 7. Bb2 Nbd7 8. Be2 c5 9. 0-0 b6 10. Rb1 Bb7 11. cxd5 Bxd5 12. Bc4 Bb7 13. Qe2 Ne4 14. Nxe4 Bxe4 15. Rbd1 Qc7 16. Rd2 Nf6 17. dxc5 Ng4 18. g3 Qb7 19. Ng5 Bf5 20. Bxg7 Kxg7 21. Bd5 Qc7 22. Bxa8 Rxa8 23. cxb6 axb6 24. Qc4 Qxc4 25. bxc4 Ne5 26. e4 Bh3 27. Rfd1 Bg4 28. Rf1 h6 29. f4 Nxc4 30. Rd4 Ne3 31. h3 Nxf1 32. Kxf1 hxg5 33. hxg4 gxf4 34. gxf4 Rxa2 35. Rb4 Rc2 36. Ke1 Rg2 37. g5 Rg4 38. e5 f6 39. gxf6+ exf6 40. exf6+ Kxf6 41. Rxb6+ Kf5 42. Kf2 Kxf4 43. Rb4+ Kf5 44. Rb5+ Kf4 45. Rb4+ Kg5 46. Rb5+ Kh6 47. Kf3 Ra4 48. Kg3 g5 49. Rc5 Kh5 50. Rc3 Rg4+ 51. Kh3 Re4 52. Kg3 Kg6 53. Rc6+ Kf5 54. Rc5+ Re5 55. Rxe5+ Kxe5 56. Kg4 Kf6 57. Kg3 Kg7 58. Kg4 Kg6 59. Kg3 Kf5 60. Kf3 g4+ 61. Kg3 Kg5 62. Kg2 Kf4 63. Kg1 Kg5 64. Kg2 Kf4 65. Kf2 g3+ 66. Kg2 Kg4 67. Kg1 Kg5 68. Kg2 Kf4 69. Kg1 Kg4 70. Kg2 Kh4 71. Kg1 Kh3 72. Kh1 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "2"]
[White "Witkamp, Jarno"]
[Black "Kaptijn, Jelle"]
[Result "0-1"]
[ECO "A23"]
[PlyCount "70"]
[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. g3 e5 2. c4 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. a3 d5 6. b4 Bd4 7. c5 0-0 8. Nf3 Bxc3 9. dxc3 Re8 10. 0-0 b6 11. cxb6 Qxb6 12. Be3 Qc7 13. Qc2 a5 14. Rfc1 Nbd7 15. h3 Bb7 16. Nd2 Qd6 17. Nb3 a4 18. Nc5 Nxc5 19. Bxc5 Qd7 20. Rd1 Rec8 21. Bb6 Ba6 22. Rd2 Bb5 23. Rad1 Bc4 24. Rb1 Qb7 25. Bc5 Rd8 26. Qf5 Qc7 27. Be3 Qd6 28. Bc5 Qe6 29. Qxe6 fxe6 30. h4 Nd7 31. Bd6 e4 32. Bh3 Re8 33. Bf4 Bb3 34. Rc1 Nb6 35. Rd4 e5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2002.08.05"]
[Round "1"]
[White "Ris, Robert"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B18"]
[PlyCount "45"]
[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 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Ngf6 8. 0-0 e6 9. b3 Qc7 10. Bb2 Bd6 11. c4 0-0-0 12. Qe2 Nh5 13. Nxh5 Bxh5 14. g3 Bg4 15. Kg2 h5 16. h3 Bf5 17. Rad1 Nf6 18. Bxf5 exf5 19. c5 Be7 20. Ne5 Rde8 21. Qf3 g6 22. Nxf7 Rhf8 23. Ne5 1-0

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.07"]
[Round "5"]
[White "Maas, Joop"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1823"]
[BlackElo "1664"]
[PlyCount "73"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 e6 4. e3 Be7 5. Nbd2 Nbd7 6. Bd3 c5 7. c3 c4 8. Bc2 b5 9. a3 a5 10. 0-0 Bb7 11. Ne5 Nxe5 12. dxe5 Nd7 13. Bf4 b4 14. axb4 axb4 15. Rxa8 Qxa8 16. Nf3 b3 17. Bb1 Nc5 18. Nd4 Qa1 19. Qe2 Na4 20. Nxe6 Qxb2 21. Nxg7+ Kd8 22. Qh5 Nxc3 23. Qxf7 Bc8 24. Bf5 Bxf5 25. Nxf5 Qa3 26. Qe6 Ne2+ 27. Kh1 Nxf4 28. Qb6+ Kd7 29. exf4 Qc5 30. e6+ Kc8 31. Qa6+ Kb8 32. Ra1 b2 33. Qa8+ Kc7 34. Ra7+ Qxa7 35. Qxa7+ Kc6 36. Nxe7+ Kd6 37. Qb6+ 1-0

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.07"]
[Round "6"]
[White "Witkamp, Jarno"]
[Black "Van Toorenberg, Sebastiaan"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1664"]
[BlackElo "1362"]
[PlyCount "47"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Be6 6. Nf3 Nc6 7. d3 Be7 8. 0-0 0-0 9. Ne4 h6 10. Bd2 Re8 11. a3 f5 12. Nc3 Qd7 13. b4 Bf6 14. Rc1 a6 15. Na4 b6 16. Qc2 e4 17. dxe4 fxe4 18. Qxe4 Ne5 19. Nxe5 Bxe5 20. Qxe5 Qxa4 21. Bxd5 Bxd5 22. Qxd5+ Kh8 23. Rxc7 Rad8 24. Qf7 1-0

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.06"]
[Round "2"]
[White "Ruijgrok, Dennis"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2113"]
[BlackElo "1664"]
[PlyCount "51"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. cxd5 Nxd5 8. Bd3 Bb4 9. Qc2 Nf6 10. 0-0 Bd7 11. a3 Be7 12. Be3 Rc8 13. Rac1 a6 14. Qe2 0-0 15. Ne5 Be8 16. Rfd1 Qa5 17. b4 Qxa3 18. Nc4 Qxb4 19. Na2 Qa4 20. Nb6 Qa5 21. Nxc8 Ba3 22. Rb1 b5 23. Rb3 Nd5 24. Bc2 Bd7 25. Qd3 g6 26. Rxa3 1-0

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.06"]
[Round "3"]
[White "Witkamp, Jarno"]
[Black "Willemsen, Jos"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "1664"]
[BlackElo "2002"]
[PlyCount "96"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. g3 d5 2. d3 e5 3. Nd2 Nf6 4. c4 c6 5. Ngf3 Nbd7 6. a3 a5 7. Bg2 a4 8. 0-0 Bd6 9. Ne1 0-0 10. Nc2 d4 11. Ne4 Nxe4 12. Bxe4 Nc5 13. Bg2 Nb3 14. Rb1 Bg4 15. Bd2 Nxd2 16. Qxd2 Qd7 17. b4 axb3 18. Rxb3 Qe7 19. Rfb1 Bc8 20. Nb4 Bc5 21. Qb2 h6 22. Rf1 f5 23. Nc2 Kh8 24. Ra1 Rd8 25. Nb4 e4 26. Qc2 Bxb4 27. Rxb4 Qxb4 28. axb4 Rxa1+ 29. Bf1 Be6 30. Qb2 Rda8 31. f4 exf3 32. exf3 f4 33. g4 b6 34. Qxd4 Rb1 35. Qe4 Bg8 36. Kf2 Ra2+ 37. Be2 Rbb2 38. Qxf4 Rxe2+ 39. Kg3 Rg2+ 40. Kh3 Rxh2+ 41. Qxh2 Rxh2+ 42. Kxh2 g5 43. Kg3 Kg7 44. Kf2 b5 45. cxb5 cxb5 46. Ke3 Bd5 47. f4 gxf4+ 48. Kxf4 Kf6 0-1

[Event "Haarlem Nova College op 1st"]
[Site "Haarlem"]
[Date "2002.07.05"]
[Round "1"]
[White "Witkamp, Jarno"]
[Black "Gurevich, David"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1664"]
[BlackElo "2073"]
[PlyCount "95"]
[EventDate "2002.07.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 089 Extra"]
[Source "ChessBase"]
[SourceDate "2002.09.10"]
[SourceVersion "2"]
[SourceVersionDate "2002.09.10"]
[SourceQuality "1"]

1. g3 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg2 d6 5. b4 a5 6. b5 e5 7. d3 Nbd7 8. Nf3 Nc5 9. Ng5 h6 10. Nge4 Nfxe4 11. Nxe4 Ne6 12. Nc3 0-0 13. Rb1 Kh7 14. Nd5 f5 15. f4 Rb8 16. 0-0 b6 17. e4 Nd4 18. Be3 Be6 19. Bxd4 exd4 20. exf5 Bxf5 21. Re1 Rf7 22. Be4 Qd7 23. Qf3 Bg4 24. Qf1 Rbf8 25. Rb2 h5 26. Bf3 Be6 27. Rbe2 Bxd5 28. Bxd5 Rf6 29. Re7 Qc8 30. Qf2 Kh6 31. Qxd4 R6f7 32. Qe4 Rxe7 33. Qxe7 Bf6 34. Qe4 Qg4 35. Be6 Re8 36. Bxg4 Rxe4 37. Rxe4 hxg4 38. Kf2 Kg7 39. Re8 Bd4+ 40. Kg2 Kf7 41. Rc8 Ke6 42. Rxc7 g5 43. fxg5 Kf5 44. h4 gxh3+ 45. Kxh3 Kxg5 46. Rc8 Kf6 47. Kg4 Be3 48. Kf3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "8"]
[White "De Jong, Bert"]
[Black "Witkamp, Jarno"]
[Result "1/2-1/2"]
[ECO "A31"]
[PlyCount "61"]
[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. c4 c5 2. Nf3 Nf6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 Qb6 8. e3 0-0 9. Be2 e6 10. 0-0 Bd7 11. Rab1 Na6 12. a3 Nc5 13. Bh4 Nce4 14. Nxe4 Nxe4 15. Qd3 f5 16. f3 Nc5 17. Qd2 e5 18. Nb5 Bxb5 19. cxb5 Kh8 20. Be7 Rfe8 21. Qxd6 Qxd6 22. Bxd6 Nb3 23. Rfd1 Rac8 24. Bb4 e4 25. fxe4 fxe4 26. Rd7 Bh6 27. Bc3+ Kg8 28. Bd4 Nxd4 29. exd4 Be3+ 30. Kh1 Rc2 31. Bf1 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "5"]
[White "Hiemstra, Sebastian"]
[Black "Witkamp, Jarno"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "80"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nf6 7. Ne5 e6 8. Nxg6 hxg6 9. Bg5 Nbd7 10. Qd2 Qb6 11. 0-0-0 0-0-0 12. Qc3 Be7 13. Bc4 Nd5 14. Qd2 Bxg5 15. Qxg5 N7f6 16. h3 Qb4 17. Bxd5 Rxd5 18. Qd2 Qa4 19. a3 e5 20. Rhe1 Rxd4 21. Qe2 Rxd1+ 22. Rxd1 Qf4+ 23. Kb1 Rd8 24. Re1 Rd2 25. Qxe5 Qxe5 26. Rxe5 Rxf2 27. Re2 Rxe2 28. Nxe2 Nd5 29. Kc1 Kd7 30. Kd2 Ke6 31. g3 Ke5 32. Kd3 f5 33. Nd4 f4 34. Nf3+ Kd6 35. g4 Ke6 36. Ke4 Kf6 37. b3 g5 38. c4 Ne3 39. Kd3 c5 40. Nd2 b6 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "1"]
[White "Lui, Kachun"]
[Black "Witkamp, Jarno"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "68"]
[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. Bg5 Nf6 3. e3 Bf5 4. Nd2 e6 5. c3 c5 6. Ngf3 c4 7. b3 cxb3 8. Qxb3 Qc7 9. Bf4 Qb6 10. Bxb8 Rxb8 11. Qa4+ Kd8 12. Ne5 Qb2 13. Rd1 Bg6 14. Qxa7 Bd6 15. Nxg6 hxg6 16. Bd3 Qxc3 17. Ke2 Qa3 18. Qb6+ Ke7 19. Rb1 Rhc8 20. Rb2 Rc6 21. Qb5 Nd7 22. Nb1 Qa7 23. Qb3 Rb6 24. Bb5 Rc8 25. a4 Qa5 26. Rc2 Rxc2+ 27. Qxc2 Rxb5 28. axb5 Qxb5+ 29. Kf3 Qc4 30. Rc1 b5 31. Qd2 Qb3 32. Qc3 Qc4 33. Qb2 Qa4 34. Nc3 Ba3 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "3"]
[White "Sparenberg, Jeroen"]
[Black "Witkamp, Jarno"]
[Result "1/2-1/2"]
[ECO "B18"]
[PlyCount "69"]
[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 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Ne5 Nf6 8. Nxg6 hxg6 9. Bg5 c5 10. Bb5+ Nbd7 11. dxc5 Qa5+ 12. Qd2 Qxb5 13. b4 Be7 14. a4 Qc6 15. f3 Qd5 16. Qf4 Qe5+ 17. Qxe5 Nxe5 18. 0-0 Nd5 19. Bxe7 Kxe7 20. Rfb1 Rh4 21. Ne4 Rah8 22. h3 f5 23. Nd6 Rxb4 24. Rxb4 Nxb4 25. Rb1 Nbc6 26. Rxb7+ Kd8 27. f4 Nd7 28. Nf7+ Kc8 29. Rxd7 Rf8 30. Rd6 Kc7 31. Ne5 Nxe5 32. fxe5 Re8 33. Kf2 g5 34. Kg3 Re7 35. Kf3 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "6"]
[White "Witkamp, Jarno"]
[Black "De Hoop, Thomas"]
[Result "0-1"]
[ECO "B20"]
[PlyCount "26"]
[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 c5 2. Bc4 e6 3. Nc3 Nc6 4. d3 a6 5. a4 Nf6 6. f4 d5 7. Bb3 Nd4 8. Ba2 b5 9. axb5 axb5 10. Bd2 b4 11. Nce2 dxe4 12. Nxd4 Qxd4 13. c3 Qxd3 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "9"]
[White "Witkamp, Jarno"]
[Black "Sparenberg, Erik"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "74"]
[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 c5 2. Bc4 Nc6 3. Nf3 g6 4. Nc3 a6 5. a3 Bg7 6. d3 b5 7. Ba2 d6 8. Ng5 e6 9. f4 Nge7 10. 0-0 Nd4 11. Nf3 Bb7 12. Nxd4 Bxd4+ 13. Kh1 Bg7 14. Bd2 d5 15. e5 h5 16. Rf3 Nf5 17. Ne2 Bf8 18. Rh3 Be7 19. c3 d4 20. cxd4 cxd4 21. Be1 Ne3 22. Rxe3 dxe3 23. d4 h4 24. h3 Rc8 25. Qd3 Qb6 26. Qxe3 Rc2 27. b4 g5 28. fxg5 Bxg5 29. Qxg5 Rxe2 30. Bxh4 Bxg2+ 31. Kh2 Bb7+ 32. Kg1 Qxd4+ 33. Kf1 Rxh4 34. Qg8+ Ke7 35. Qg5+ Kd7 36. Kxe2 Re4+ 37. Kf3 Rxe5+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "4"]
[White "Witkamp, Jarno"]
[Black "Van Dijk, Martin"]
[Result "1/2-1/2"]
[ECO "C34"]
[PlyCount "72"]
[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 e5 2. f4 exf4 3. Nf3 Nc6 4. d4 g5 5. Bc4 g4 6. 0-0 gxf3 7. Qxf3 Qf6 8. e5 Qg7 9. Qxf4 d5 10. Bxd5 Be6 11. c4 0-0-0 12. Qe4 Bxd5 13. cxd5 Nb4 14. Nc3 Ne7 15. d6 cxd6 16. d5 Rg8 17. exd6 Nexd5 18. Nxd5 Nxd5 19. Qxd5 Rxd6 20. Qc4+ Rc6 21. Qe2 Bc5+ 22. Kh1 Re6 23. Qc2 Rc6 24. Qf5+ Kb8 25. Bf4+ Ka8 26. Qc2 Bd4 27. Qe2 Bxb2 28. Rab1 Ba3 29. Rb3 Bd6 30. Bxd6 Rxd6 31. Qf3 Rc6 32. g3 f6 33. Rfb1 Rgc8 34. Rxb7 Qxb7 35. Rxb7 Kxb7 36. Qb3+ Rb6 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "2"]
[White "Witkamp, Jarno"]
[Black "Van Rosmalen, Joost"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "62"]
[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 c6 2. d4 d5 3. e5 Bf5 4. g4 Bg6 5. h4 h5 6. g5 e6 7. Ne2 c5 8. Nf4 Be4 9. f3 Bf5 10. c3 Qb6 11. Bd3 Ne7 12. Qc2 g6 13. dxc5 Qxc5 14. Qa4+ Nbc6 15. b4 Qb6 16. Bb5 Bg7 17. Ke2 Bxe5 18. Be3 d4 19. Bf2 0-0 20. Nd3 Bxd3+ 21. Bxd3 Nd5 22. Ke1 Nf4 23. Bf1 Rfd8 24. Na3 a6 25. Rd1 Qc7 26. c4 Bg7 27. c5 Ne5 28. Qb3 d3 29. Bg3 Nxf3+ 30. Kf2 Bd4+ 31. Kxf3 Qc6+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "7"]
[White "Witkamp, Jarno"]
[Black "Weijers, Mark"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "129"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 c6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 Bg4 8. e5 dxe5 9. dxe5 Nd5 10. Bc4 e6 11. Ne4 b5 12. Be2 Qb6+ 13. Kh1 Rd8 14. Qe1 Bf5 15. Nd6 Bxc2 16. Bd2 a5 17. Ng5 Rd7 18. Rc1 Bf5 19. g4 Rxd6 20. gxf5 Rd7 21. fxe6 fxe6 22. Bg4 Nc7 23. Be3 Qb7 24. Bc5 Nba6 25. Bd6 Re8 26. Bf3 Nd5 27. Qh4 h6 28. Ne4 Rf7 29. Nf6+ Bxf6 30. exf6 Kh7 31. Rg1 Rg8 32. Rg2 Nxf6 33. Be5 Nd5 34. Rcg1 Ne7 35. Qh3 Nc5 36. Bd6 Nd3 37. Qxe6 Rxf4 38. Be4 Nf2+ 39. Rxf2 Rxf2 40. Bxe7 Rg7 41. Bf6 Qc7 42. Be5 Qf7 43. Qxf7 Rfxf7 44. Bxg7 Rxg7 45. Bxc6 g5 46. Rd1 b4 47. Rd7 Rxd7 48. Bxd7 Kg6 49. Kg2 Kf6 50. Kf3 h5 51. h3 Ke5 52. Be8 g4+ 53. hxg4 hxg4+ 54. Kxg4 Kd4 55. Kf4 Kd3 56. Ba4 Kd2 57. Ke4 b3 58. axb3 Kc1 59. Kd4 Kxb2 60. Kc4 Kc2 61. Kb5 Kc3 62. Kxa5 Kd4 63. b4 Kd5 64. b5 Kd6 65. Kb6 1-0

