[Event "Andorra op 40th"]
[Site "Escaldes"]
[Date "2024.07.28"]
[Round "9"]
[White "Picart, Laurent"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "1998"]
[BlackElo "2218"]
[PlyCount "163"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nd2 d5 5. Nh3 Bd6 6. Nf3 0-0 7. 0-0 Nbd7 8. Nf4 Qe7 9. Nd3 Ne4 10. b3 g5 11. Bb2 c6 12. Nfe5 Nxe5 13. dxe5 Bc7 14. f3 Nc5 15. Ba3 b6 16. Bxc5 bxc5 17. c4 f4 18. gxf4 gxf4 19. Kh1 Kh8 20. Rc1 d4 21. Qd2 Bd7 22. Rg1 a5 23. Bh3 a4 24. Rg4 axb3 25. axb3 Ba5 26. Qc2 Bc7 27. Rcg1 Rg8 28. Qc1 Qf7 29. Rxf4 Qh5 30. Bg4 Qh6 31. Rf7 Qxc1 32. Rxc1 Rg7 33. Rxg7 Kxg7 34. Nxc5 Bc8 35. f4 Kf7 36. Kg2 Ra2 37. Kf1 Ba5 38. Nd3 Bd2 39. Rb1 c5 40. Bf3 Ba6 41. Be4 h6 42. Kf2 Ra5 43. Kf3 Be3 44. Kg4 Bc8 45. Kh5 Kg7 46. Bc6 Ra6 47. Ba4 Ra5 48. Rf1 Bb7 49. f5 exf5 50. Rxf5 Bg5 51. e6 Be4 52. Rf7+ Kg8 53. Rc7 Kf8 54. Rxc5 Bxd3 55. Rc8+ Bd8+ 56. Kxh6 Ke7 57. exd3 Re5 58. c5 Rxe6+ 59. Kg5 Re3 60. c6 Rxd3 61. c7 Bxc7 62. Rxc7+ Kd6 63. Rd7+ Ke5 64. Re7+ Kd5 65. h4 Rg3+ 66. Kf4 Rg1 67. Rd7+ Kc5 68. h5 Rf1+ 69. Ke4 Re1+ 70. Kd3 Rh1 71. Rc7+ Kd6 72. Rc4 Rxh5 73. Kxd4 Rh4+ 74. Kc3 Rh8 75. b4 Rh3+ 76. Kb2 Rh2+ 77. Bc2 Kd5 78. Rc3 Rh8 79. Kb3 Kd6 80. b5 Rb8 81. Kb4 Kd5 82. Rd3+ 1-0

[Event "Andorra op 40th"]
[Site "Escaldes"]
[Date "2024.07.26"]
[Round "7"]
[White "Alvarez Albiol, Victor"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "B74"]
[WhiteElo "2094"]
[BlackElo "2218"]
[PlyCount "75"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 0-0 6. 0-0 c5 7. Be3 cxd4 8. Nxd4 Nc6 9. Nb3 a6 10. a4 Na5 11. e5 Ne8 12. Nxa5 Qxa5 13. Nd5 Qd8 14. Nb6 Rb8 15. exd6 Nxd6 16. c3 Be6 17. a5 Qc7 18. Bd4 Nf5 19. Bxg7 Kxg7 20. Bf3 Rfd8 21. Qe2 Kg8 22. g3 Qc5 23. Rfe1 Rd6 24. Qe5 Qxe5 25. Rxe5 Rd3 26. Kg2 Rd2 27. b4 Kg7 28. Rc5 Rbd8 29. Re1 R8d3 30. Bxb7 Ne3+ 31. Rxe3 Rxe3 32. Bxa6 Bg4 33. Nc4 Bf3+ 34. Kh3 Ree2 35. Nxd2 Rxd2 36. g4 f5 37. gxf5 g5 38. Kg3 1-0

[Event "Andorra op 40th"]
[Site "Escaldes"]
[Date "2024.07.25"]
[Round "6"]
[White "Nagtegaal, Kees"]
[Black "Trigo Urquijo, Sergio"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2218"]
[BlackElo "2390"]
[PlyCount "82"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 Nc6 5. g3 dxe4 6. dxe4 Bc5 7. Bg2 0-0 8. 0-0 e5 9. Qe2 a5 10. a4 b6 11. c3 Ba6 12. Nc4 Qe7 13. Nfd2 Rad8 14. Re1 Qe6 15. b3 Rd7 16. Nf1 Rfd8 17. Be3 Bxc4 18. bxc4 Rd3 19. Bxc5 bxc5 20. Rec1 Qxc4 21. Ne3 Rd1+ 22. Qxd1 Rxd1+ 23. Rxd1 Qxc3 24. Rdc1 Qb4 25. Rcb1 Qd2 26. Rd1 Qe2 27. Rd5 Nxd5 28. exd5 Nd4 29. Rc1 Qxe3 30. fxe3 Ne2+ 31. Kf2 Nxc1 32. Ke1 Nd3+ 33. Kd2 Nb2 34. Kc3 Nxa4+ 35. Kc4 Kf8 36. Be4 Nb2+ 37. Kxc5 Ke7 38. Kc6 Kd8 39. Bxh7 a4 40. d6 cxd6 41. Kxd6 g6 0-1

[Event "Andorra op 40th"]
[Site "Escaldes"]
[Date "2024.07.24"]
[Round "5"]
[White "Nagtegaal, Kees"]
[Black "Van Amerongen, Arjen"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2218"]
[BlackElo "2005"]
[PlyCount "117"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. d3 Nc6 6. e4 f5 7. Nge2 Nf6 8. 0-0 0-0 9. Nd5 Be6 10. Bg5 Qd7 11. Qd2 Nh5 12. exf5 Bxf5 13. Rac1 Rae8 14. b4 Nd8 15. Bxd8 Rxd8 16. b5 Bh3 17. Bxh3 Qxh3 18. Qe3 Rf7 19. Qxa7 c6 20. Qb6 Rdf8 21. bxc6 bxc6 22. Qxc6 Bh6 23. Rb1 Nf4 24. gxf4 Qg4+ 25. Ng3 exf4 26. f3 Qg5 27. Qxd6 fxg3 28. Qxg3 Qd2 29. Rbd1 Qxa2 30. Qe5 Bg7 31. Qe4 Kh8 32. f4 Qa7+ 33. Kg2 Qd7 34. Rde1 Qg4+ 35. Kh1 Rf5 36. Qg2 Qh4 37. Qg3 Qd8 38. Re4 Qa8 39. Rfe1 Qa2 40. Re8 Qd2 41. Rxf8+ Rxf8 42. Qe3 Qb2 43. Re2 Qa1+ 44. Qg1 Qa3 45. Qd1 Qa8 46. Re4 Qa2 47. Qe2 Qa1+ 48. Kg2 Qa8 49. Nc7 Qc6 50. Ne6 Rb8 51. Nxg7 Kxg7 52. Kg3 Rb1 53. Qf2 Rd1 54. Qe3 g5 55. Qd4+ Kf7 56. fxg5 Qc7+ 57. Rf4+ Kg8 58. Qd5+ Kg7 59. Qf5 1-0

[Event "Andorra op 40th"]
[Site "Escaldes"]
[Date "2024.07.23"]
[Round "4"]
[White "Garcia Paolicchi, Raul"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2057"]
[BlackElo "2218"]
[PlyCount "78"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. e3 e6 5. Nf3 Be7 6. Bd3 0-0 7. 0-0 c5 8. dxc5 Bxc5 9. Na4 Be7 10. c4 Nc6 11. Qe2 Nb4 12. Bb1 dxc4 13. Nc3 Qc7 14. Bf4 Qc5 15. Nd2 e5 16. Bg3 Be6 17. a3 Nc6 18. Ba2 Na5 19. Rfc1 Rac8 20. Nf3 Nd7 21. h4 h6 22. Rd1 Bf6 23. Rac1 b5 24. Rd2 Nb6 25. Rcd1 Nb7 26. h5 Rfe8 27. e4 f4 28. Bh4 Bxh4 29. Nxh4 a5 30. Nd5 Bxd5 31. exd5 Nd6 32. Qg4 Rcd8 33. Bb1 Nd7 34. Nf5 Nxf5 35. Qxf5 Nf6 36. d6 Qc6 37. Bc2 e4 38. Qxf4 Re6 39. Rd4 a4 1/2-1/2

[Event "Andorra op 40th"]
[Site "Escaldes"]
[Date "2024.07.22"]
[Round "3"]
[White "Nagtegaal, Kees"]
[Black "Kogan, Artur"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2218"]
[BlackElo "2466"]
[PlyCount "77"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. d3 d6 6. e4 h5 7. h4 Bg4 8. f3 Be6 9. Nh3 Qc8 10. Be3 Nd4 11. Ng5 Bd7 12. Bxd4 exd4 13. Ne2 Nh6 14. Qd2 a5 15. 0-0-0 b5 16. cxb5 Rb8 17. Kb1 Rxb5 18. Bh3 0-0 19. Rc1 Bxh3 20. Nxh3 Qd7 21. Nhf4 Kh7 22. Rc2 f5 23. Nh3 Nf7 24. Nef4 Bh6 25. exf5 Rxf5 26. g4 Re5 27. g5 Bg7 28. Nxg6 Kxg6 29. Nf4+ Kh7 30. g6+ Kh8 31. gxf7 Qxf7 32. Nh3 Qxf3 33. Rh2 Re3 34. a4 Rxd3 35. Qxa5 Rd1+ 36. Ka2 Qf7+ 37. b3 Rb8 38. Rb2 d3 39. Rhf2 0-1

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2022.06.17"]
[Round "1"]
[White "Nagtegaal, Kees"]
[Black "Helmond, Frans"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2279"]
[BlackElo "2007"]
[PlyCount "85"]
[EventDate "2022.06.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 d5 3. cxd5 Nxd5 4. Bg2 c6 5. Nf3 g6 6. 0-0 Bg7 7. d4 Nd7 8. e4 N5b6 9. Nc3 Nf6 10. Qe2 0-0 11. Rd1 Bg4 12. h3 Bxf3 13. Bxf3 Qc8 14. e5 Nfd5 15. Ne4 f5 16. Nc5 e6 17. Bd2 Re8 18. b4 Nd7 19. Nb3 Qd8 20. Na5 Qb6 21. Nc4 Qc7 22. Nd6 Reb8 23. Rac1 Bf8 24. Bxd5 exd5 25. Bf4 Nb6 26. Re1 Qd8 27. h4 h6 28. Qe3 Be7 29. Bxh6 Bxd6 30. exd6 Qxd6 31. Bf4 Qd7 32. Bxb8 Rxb8 33. Qe6+ Qxe6 34. Rxe6 Kg7 35. Re7+ Kh6 36. Rce1 Nc4 37. Rd7 Nd2 38. Kg2 Ne4 39. f3 Nf6 40. Rf7 Ng8 41. g4 fxg4 42. fxg4 a5 43. Kg3 1-0

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2017.06.24"]
[Round "4"]
[White "Becx, Cesar"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2078"]
[BlackElo "2286"]
[PlyCount "101"]
[EventDate "2017.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. d3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Nf6 7. e4 0-0 8. Nc3 Rb8 9. h3 Bd7 10. g4 b5 11. a3 a5 12. a4 bxa4 13. Nxa4 Ne8 14. c3 f5 15. gxf5 gxf5 16. e5 Nc7 17. Re1 Ne6 18. d4 cxd4 19. cxd4 Nb4 20. Nc3 Kh8 21. Be3 d5 22. Nh4 Be8 23. Bf3 Bh6 24. Qd2 Ng7 25. Ng2 Bh5 26. Bxh5 Nxh5 27. Kh2 Ng7 28. Rg1 Nc6 29. Ne1 Ne6 30. Nf3 Rb4 31. Ne2 Qb6 32. Ra2 Rc4 33. Ng5 Bxg5 34. fxg5 Nb4 35. b3 Rc7 36. Rb2 Qa6 37. g6 Qd3 38. Nf4 Qxd2+ 39. Bxd2 Ng7 40. Bxb4 axb4 41. Nxd5 Rd7 42. Nxb4 Rxd4 43. Nc6 Re4 44. gxh7 e6 45. Rbg2 Rf7 46. b4 Kxh7 47. b5 f4 48. b6 Nf5 49. Nd8 Rd7 50. Nxe6 Rb7 51. Ng5+ 1-0

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2017.06.24"]
[Round "3"]
[White "Nagtegaal, Kees"]
[Black "Mitran, Anthony Cristian"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2286"]
[BlackElo "2052"]
[PlyCount "65"]
[EventDate "2017.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 Qb6 6. Na3 a6 7. Bxc6 Qxc6 8. d4 cxd4 9. Nxd4 Qa4 10. e5 d6 11. b3 Qd7 12. exd6 Qxd6 13. c3 b5 14. Qf3 Qb8 15. Bf4 Qb7 16. Qd3 Nf6 17. c4 bxc4 18. Nxc4 0-0 19. Be5 Bd7 20. Rad1 Bb5 21. a4 Bxc4 22. bxc4 Rac8 23. Rb1 Qd7 24. Qb3 Nh5 25. Bxg7 Nxg7 26. Nf3 Qc7 27. Rbc1 Ne6 28. Qe3 Rfe8 29. Ne5 Ng7 30. Qf3 f6 31. Ng4 Nf5 32. Qd5+ Kg7 33. Ne3 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2017.06.23"]
[Round "2"]
[White "Hilwerda, Jonas"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "A03"]
[WhiteElo "2068"]
[BlackElo "2286"]
[PlyCount "71"]
[EventDate "2017.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. f4 g6 2. Nf3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. 0-0 d5 6. d3 c6 7. c3 Nbd7 8. Qe1 Qb6+ 9. Kh1 a5 10. Na3 Qc7 11. e4 dxe4 12. dxe4 Nc5 13. Ne5 Nfd7 14. Nxd7 Nxd7 15. Be3 b6 16. Qf2 Rb8 17. Rfd1 Nf6 18. h3 Ba6 19. Rd2 Rfd8 20. Rxd8+ Qxd8 21. e5 Nd5 22. Rd1 Qc7 23. Bxd5 cxd5 24. Nc2 e6 25. Nd4 Bf8 26. g4 a4 27. a3 Bc5 28. Qg3 Re8 29. g5 Bc4 30. Rd2 Qb7 31. Qf2 Qa6 32. Kh2 Bd3 33. Qe2 Qc4 34. Qf2 Be4 35. Qe2 Qa2 36. Qd1 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2017.06.23"]
[Round "1"]
[White "Nagtegaal, Kees"]
[Black "Hess, Stefan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2286"]
[BlackElo "2021"]
[PlyCount "45"]
[EventDate "2017.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 dxe4 5. dxe4 Bc5 6. Bd3 Nc6 7. 0-0 h6 8. Qe2 g5 9. Nb3 Bb6 10. a4 a6 11. a5 Ba7 12. e5 Nd5 13. Rd1 g4 14. Ne1 Qh4 15. c4 Nde7 16. Be3 Bxe3 17. Qxe3 Qg5 18. Qe4 Nxe5 19. h4 gxh3 20. f4 h2+ 21. Kh1 Nxd3 22. Qxd3 Qxf4 23. Qd8# 1-0

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.13"]
[Round "9"]
[White "Ijzermans, Cees"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "2081"]
[BlackElo "2306"]
[PlyCount "130"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. Nf3 0-0 6. 0-0 d6 7. b3 Ne4 8. Bb2 Bf6 9. Qc2 Nc6 10. a3 Qe7 11. e3 a5 12. Rd1 e5 13. c5 dxc5 14. dxe5 Nxe5 15. Nfd2 Nxf2 16. Nc3 Nxd1 17. Nd5 Qf7 18. Rxd1 c6 19. Nxf6+ gxf6 20. e4 Rd8 21. exf5 Nd3 22. Ne4 Bxf5 23. Rxd3 Rxd3 24. Qxd3 Re8 25. g4 Bg6 26. Bxf6 Qe6 27. Bb2 Bxe4 28. Qc3 Qg6 29. Qc4+ Bd5 30. Bxd5+ cxd5 31. Qxd5+ Kf8 32. Qxc5+ Re7 33. Qc8+ Qe8 34. Qf5+ Qf7 35. Qc8+ Re8 36. Qc5+ Qe7 37. Qf5+ Qf7 38. Qc5+ Kg8 39. Qg5+ Qg6 40. Qd5+ Kf8 41. Qc5+ Re7 42. Qc8+ Kf7 43. Qc4+ Qe6 44. Qf4+ Kg6 45. Bd4 Rf7 46. Qg3 Qa6 47. Qe1 Qc6 48. h4 Rf3 49. b4 Kf7 50. Bc5 Qe6 51. Qxe6+ Kxe6 52. bxa5 Rg3+ 53. Kh2 Rxg4 54. Kh3 h5 55. Bb4 Kd5 56. Bf8 Kc4 57. Bb4 Kb3 58. Bf8 Ka4 59. Bb4 Re4 60. Kg3 Rc4 61. Be7 Rg4+ 62. Kf3 Kxa5 63. Ke3 Ka4 64. Kd3 b5 65. Kc3 Re4 0-1

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.11"]
[Round "7"]
[White "Tikranian, Alik"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2120"]
[BlackElo "2306"]
[PlyCount "123"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e6 7. 0-0 Nge7 8. Be3 Nd4 9. Rb1 0-0 10. Qd2 Rb8 11. b4 b6 12. Bxd4 cxd4 13. Nb5 Nc6 14. e5 Nxe5 15. Nbxd4 Bb7 16. f4 Ng4 17. Bxb7 Rxb7 18. Nc6 Qc8 19. b5 Nf6 20. c4 Rc7 21. Qb4 Qd7 22. h3 Re8 23. Kh2 e5 24. Rbe1 e4 25. Ned4 exd3 26. Rxe8+ Qxe8 27. Qd2 Ne4 28. Qxd3 f5 29. Nf3 h6 30. Re1 Qf7 31. Re2 Rd7 32. Nd2 Nc5 33. Qf3 Bf6 34. Qd5 Qxd5 35. cxd5 Kf7 36. g4 Na4 37. Nb1 Nc5 38. Nd2 Nd3 39. Kg3 Nc5 40. Kf3 Bc3 41. gxf5 gxf5 42. Nf1 Ne4 43. Ng3 Nf6 44. Nxf5 Nxd5 45. Nxh6+ Kf8 46. Rg2 Bg7 47. Nf5 Rf7 48. Rg5 Nc3 49. Nxd6 Rd7 50. Rg6 Nxa2 51. f5 Bc3 52. Re6 Bb4 53. Nxb4 Nxb4 54. f6 Rd8 55. f7 Rxd6 56. Rxd6 a6 57. bxa6 Nxa6 58. Rxb6 Nc5 59. Rf6 Nd7 60. Rf5 Kg7 61. Ke4 Nf8 62. Ke5 1-0

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.09"]
[Round "5"]
[White "Liu, Manli"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2062"]
[BlackElo "2306"]
[PlyCount "53"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 Nc6 6. Bc4 e5 7. Nge2 Nf6 8. h3 0-0 9. 0-0 Bd7 10. f4 exd4 11. Nxd4 Re8 12. f5 Ne5 13. Ba2 c5 14. Nf3 gxf5 15. Nxe5 dxe5 16. exf5 Rc8 17. Nd5 Bc6 18. Nxf6+ Qxf6 19. Qh5 h6 20. Bf2 e4 21. Bh4 Qd4+ 22. Kh1 Rc7 23. f6 Bf8 24. Bg3 Rd7 25. Rad1 e3 26. Rxd4 cxd4 27. Qg6+ 1-0

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.08"]
[Round "4"]
[White "Nagtegaal, Kees"]
[Black "Wan, Yunguo"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2306"]
[BlackElo "2458"]
[PlyCount "56"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d3 d6 6. e4 Bg4 7. Nge2 Qc8 8. h3 Bd7 9. d4 Nc6 10. Be3 Re8 11. d5 Na5 12. Qd3 c5 13. b3 a6 14. Rc1 Rb8 15. g4 b5 16. 0-0 bxc4 17. bxc4 Rb2 18. f4 h5 19. e5 hxg4 20. exf6 exf6 21. hxg4 Bxg4 22. Rf2 Nxc4 23. Nd1 Bxe2 24. Rxe2 Rxe2 25. Qxe2 Nxe3 26. Nxe3 f5 27. Qd3 Bd4 28. Re1 Qd8 0-1

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.07"]
[Round "2"]
[White "Van Kessel, Wessel"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2007"]
[BlackElo "2306"]
[PlyCount "102"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Nd4 7. Qd2 Ne7 8. Nd1 e5 9. c3 Ne6 10. Bh6 d5 11. Bxg7 Nxg7 12. Ne3 d4 13. cxd4 cxd4 14. Nc4 Nc6 15. Rc1 0-0 16. Bh3 b5 17. Na3 Qb6 18. Bxc8 Raxc8 19. Nf3 f6 20. 0-0 Ne6 21. Nh4 Kg7 22. f4 exf4 23. gxf4 a5 24. Kh1 Nb4 25. f5 Ng5 26. b3 Rc3 27. Rxc3 dxc3 28. Qxc3 Nxa2 29. Qa1 Nb4 30. fxg6 hxg6 31. Rg1 Qe3 32. Qc1 Qxd3 33. Qc7+ Rf7 34. Qf4 Qxb3 35. Nxb5 Nd3 36. Nd4 Nxf4 37. Nxb3 Nxe4 38. Ra1 Rc7 39. Nxa5 Rc3 40. Rf1 Nd5 41. Ng2 f5 42. Nb7 g5 43. Kg1 Kf6 44. Rd1 Ke5 45. Na5 f4 46. Ne1 Ne3 47. Nf3+ Kf6 48. Rb1 g4 49. Nd4 f3 50. Rb6+ Kg5 51. h4+ Kxh4 0-1

[Event "Vlissingen HZ op 20th"]
[Site "Vlissingen"]
[Date "2016.08.06"]
[Round "1"]
[White "Nagtegaal, Kees"]
[Black "Koes, Richard"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2306"]
[BlackElo "1829"]
[PlyCount "75"]
[EventDate "2016.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Qe2 Nd4 6. Nxd4 Bxd4 7. c3 Bb6 8. Bg5 c6 9. Ba4 h6 10. Bh4 g5 11. Bg3 d6 12. Nd2 h5 13. h4 g4 14. 0-0-0 Qe7 15. d4 Bc7 16. f4 gxf3 17. gxf3 b5 18. Bc2 a5 19. Bf2 Ba6 20. Be3 a4 21. Qf2 Nd7 22. Nf1 b4 23. cxb4 Bc4 24. a3 Qe6 25. Ng3 Bb3 26. d5 cxd5 27. exd5 Qf6 28. Ne4 Qe7 29. Rd3 Rc8 30. Rc3 Qd8 31. Rg1 Bb8 32. Kb1 Rxc3 33. bxc3 Qc7 34. Bxb3 axb3 35. Kb2 Qc4 36. Rd1 Ke7 37. Qf1 Nb6 38. Bxb6 1-0

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2014.06.22"]
[Round "5"]
[White "Hambleton, Aman"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2468"]
[BlackElo "2227"]
[PlyCount "65"]
[EventDate "2014.06.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. h4 e6 4. g3 Be7 5. Nf3 0-0 6. Bg2 d6 7. Nc3 Ne4 8. Nxe4 fxe4 9. Ng5 d5 10. Bh3 Bb4+ 11. Bd2 Bxd2+ 12. Qxd2 Qf6 13. cxd5 exd5 14. Qf4 Nc6 15. Qxf6 Rxf6 16. Bxc8 Rxc8 17. e3 Nb4 18. 0-0 Nd3 19. Nh3 c5 20. dxc5 Rxc5 21. Nf4 Nxf4 22. gxf4 d4 23. Rfc1 Rxc1+ 24. Rxc1 d3 25. f3 exf3 26. Kf2 Rb6 27. b3 Ra6 28. Kxf3 Rxa2 29. Rc7 b5 30. Rd7 d2 31. Ke2 Rb2 32. Rxa7 Rxb3 33. Kxd2 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2014.06.21"]
[Round "3"]
[White "Dgebuadze, Alexandre"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2488"]
[BlackElo "2227"]
[PlyCount "99"]
[EventDate "2014.06.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Nbd7 5. g3 Be7 6. Bg2 c6 7. a4 Qc7 8. h3 h5 9. Be3 b6 10. Qd2 a6 11. f4 Bb7 12. 0-0 b5 13. b3 b4 14. Nd1 exd4 15. Bxd4 c5 16. Bxf6 Nxf6 17. Nf2 0-0 18. c4 Rfe8 19. g4 Bf8 20. Qd3 g6 21. g5 Nd7 22. Rad1 Rad8 23. Rd2 Nb8 24. f5 Nd7 25. Qg3 Ne5 26. Nf4 Bg7 27. Nd1 d5 28. exd5 h4 29. Qxh4 gxf5 30. Nh5 Ng6 31. Qf2 f4 32. Nxg7 Kxg7 33. Re2 Re5 34. Rxe5 Qxe5 35. Qb2 Re8 36. Qxe5+ Rxe5 37. Nf2 f3 38. Bxf3 Rxg5+ 39. Kh2 Ne5 40. Ne4 Rf5 41. Kg3 Bc8 42. Be2 Kg6 43. Rxf5 Bxf5 44. Nxc5 Bc2 45. Kf4 f6 46. a5 Kf7 47. Nxa6 Bxb3 48. Nxb4 Bxc4 49. Bxc4 Nxc4 50. a6 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2013.06.22"]
[Round "2"]
[White "Nagtegaal, Kees"]
[Black "Van Kampen, Robin"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2233"]
[BlackElo "2592"]
[PlyCount "70"]
[EventDate "2013.06.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bf1 Bg4 8. h3 Bxf3 9. Qxf3 Nc6 10. d3 Nd7 11. Qe2 b5 12. a3 a5 13. Be3 b4 14. Qc2 Qb6 15. Nd2 Rfb8 16. Nc4 Qb7 17. Rab1 Nb6 18. Red1 Nxc4 19. dxc4 Ra6 20. Bd3 Rb6 21. Qd2 Ne5 22. cxb4 axb4 23. a4 b3 24. f4 Nxd3 25. Qxd3 Ra6 26. e5 Rxa4 27. exd6 exd6 28. Qxd6 Rxc4 29. f5 Rc2 30. Rd5 Re8 31. Bf2 Bf8 32. Qd7 Qxd7 33. Rxd7 Bg7 34. Re1 Rxe1+ 35. Bxe1 Bxb2 0-1

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2012.06.24"]
[Round "6"]
[White "Van Osch, Mees"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2029"]
[BlackElo "2203"]
[PlyCount "68"]
[EventDate "2012.06.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Qg4 g6 8. Nc3 d6 9. Be3 Nf6 10. Qe2 0-0 11. 0-0-0 Nbd7 12. f4 Qc7 13. g4 b5 14. g5 Nh5 15. a3 Rb8 16. Kb1 Re8 17. Qd2 Nc5 18. Ne2 b4 19. axb4 Nxb3 20. cxb3 d5 21. Ng3 Bxb4 22. Qc2 Qxc2+ 23. Bxc2 Bb7 24. Nxh5 gxh5 25. exd5 Bxd5 26. Rhg1 Rec8 27. Rxd5 exd5 28. f5 Bc5 29. Bxc5 Rxc5 30. Rg3 Re8 31. Rg1 a5 32. Bd1 h4 33. Ka2 Re3 34. f6 Rc1 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.04.22"]
[Round "9.8"]
[White "De Groote, Jesper"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2104"]
[BlackElo "2198"]
[PlyCount "114"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "BSG"]
[BlackTeam "Hilversum HSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. c4 Nc6 8. 0-0 d6 9. Nc3 Nf6 10. Kh1 h5 11. Bg5 Ne5 12. f4 Neg4 13. Qe2 Qb6 14. c5 dxc5 15. e5 Nd5 16. Ne4 Nde3 17. Nd6+ Kf8 18. Rf3 c4 19. Bxc4 Bd7 20. Bd3 Bc6 21. Be4 Nd5 22. Bh4 f5 23. exf6 gxf6 24. h3 Qc7 25. Bxd5 Bxd5 26. Ne4 Qh7 27. Re1 Re8 28. Rc3 Qf5 29. Nd6 Qxf4 30. Bg3 Nf2+ 31. Bxf2 Bxf2 32. Rf1 Qxd6 33. Qxf2 f5 34. Qh4 Qe7 35. Qf4 Rg8 36. Rf2 Qg5 37. Qd6+ Kf7 38. Kh2 Re7 39. Rcc2 h4 40. Kg1 Qe3 41. Kf1 Qd3+ 42. Ke1 Rg3 43. Nc1 Re3+ 44. Rce2 Rxe2+ 45. Rxe2 Qc4 46. Nb3 Qc7 47. Qb4 Qg3+ 48. Kf1 b5 49. Na5 Rc7 50. Qd2 Be4 51. Kg1 Kg6 52. Nb3 Bd5 53. Re3 Qg5 54. Qf2 f4 55. Rd3 Bxb3 56. Rxb3 Rc1+ 57. Kh2 Qg3+ 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.03.31"]
[Round "8.8"]
[White "Nagtegaal, Kees"]
[Black "Driessens, Patrick"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2198"]
[BlackElo "2311"]
[PlyCount "90"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Hilversum HSG"]
[BlackTeam "Voerendaal"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. d4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 d6 7. Nc3 0-0 8. e3 Qe7 9. Nge2 Bg4 10. h3 Bxe2 11. Nxe2 Nbd7 12. g4 Rad8 13. Ng3 d5 14. cxd5 Nxd5 15. 0-0 N7b6 16. Rac1 g6 17. Rfd1 f5 18. gxf5 gxf5 19. dxe5 Qxe5 20. Qd4 Qxd4 21. Rxd4 f4 22. exf4 Nxf4 23. Rcd1 Nbd5 24. Bf1 Rd6 25. R1d2 Rg6 26. Kh2 h5 27. Re4 h4 28. Ne2 Rgf6 29. Nxf4 Rxf4 30. Rxf4 Rxf4 31. b3 Kf7 32. Kg1 Ke6 33. Be2 a5 34. Bg4+ Kd6 35. Re2 a4 36. Re6+ Kc5 37. Rh6 a3 38. Rxh4 Nc3 39. Rh8 Kb4 40. Ra8 b5 41. Bd7 Rf6 42. f4 Nxa2 43. f5 Nc3 44. Be6 a2 45. Kf2 Na4 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.03.10"]
[Round "7.9"]
[White "Nagtegaal, Kees"]
[Black "Ondersteijn, Niels"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2198"]
[BlackElo "2296"]
[PlyCount "78"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Hilversum HSG"]
[BlackTeam "Calder HMC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 g6 2. Nc3 c5 3. b3 Bg7 4. Bb2 Nc6 5. g3 e5 6. Bg2 Nge7 7. h4 h5 8. d3 d6 9. Nf3 a6 10. Ng5 Rb8 11. e3 Bg4 12. Bf3 Bf5 13. Be4 Bg4 14. Bf3 Bf5 15. Be4 Bd7 16. Bf3 b5 17. Qe2 Nb4 18. 0-0 f6 19. Nge4 Be6 20. d4 cxd4 21. exd4 bxc4 22. bxc4 Nf5 23. Nd5 0-0 24. Rfd1 Bxd5 25. cxd5 exd4 26. Bg2 Re8 27. Ba3 d3 28. Rxd3 Nxd3 29. Qxd3 Qb6 30. Bh3 Qd4 31. Qxd4 Nxd4 32. Nxd6 Red8 33. Rd1 f5 34. Bc5 Nb5 35. Nxf5 gxf5 36. Bxf5 Nc3 37. Rd3 Kh8 38. Be6 Nxd5 39. Ba7 Ra8 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2012.02.11"]
[Round "6.7"]
[White "Van Ketel, Raoul"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2286"]
[BlackElo "2198"]
[PlyCount "80"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Hilversum HSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 f5 5. exf5 Bxf5 6. Nge2 Nh6 7. h3 0-0 8. Be3 Bd7 9. g4 Nc6 10. Qd2 Nf7 11. Bg2 e5 12. d5 Nd4 13. Nxd4 exd4 14. Bxd4 Ne5 15. 0-0-0 Nxc4 16. Qe2 b5 17. Kb1 Bxd4 18. Rxd4 Qf6 19. Rxc4 bxc4 20. Ne4 Qe5 21. Qxc4 Rab8 22. Qc1 Rb4 23. Re1 Rxf2 24. Nxf2 Rxb2+ 25. Qxb2 Qxe1+ 26. Qc1 Qxf2 27. Bf1 Qb6+ 28. Ka1 h5 29. Qg5 Qd4+ 30. Kb1 Qe4+ 31. Kc1 hxg4 32. hxg4 Qe1+ 33. Kb2 Qe5+ 34. Qxe5 dxe5 35. g5 Kf8 36. Kc3 Ke7 37. Kc4 Kd6 38. Bg2 Bf5 39. a3 Bb1 40. Kb5 Bd3+ 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2011.12.17"]
[Round "4.9"]
[White "Potze, Rudolf"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2126"]
[BlackElo "2198"]
[PlyCount "92"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Groningen"]
[BlackTeam "Hilversum HSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 c6 6. a4 Qc7 7. 0-0 Nbd7 8. h3 0-0 9. Be3 e5 10. dxe5 dxe5 11. Bc4 Nh5 12. Qd2 Nf4 13. Ne2 Nb6 14. Bb3 Rd8 15. Qe1 Be6 16. Bxe6 fxe6 17. b3 Qf7 18. Kh2 Rf8 19. Nxf4 exf4 20. Bd4 Bxd4 21. Nxd4 Rad8 22. Nf3 Qf6 23. Qa5 Nc8 24. Qc5 Qe7 25. Qxe7 Nxe7 26. Ng5 Rd2 27. Nxe6 Rf6 28. Ng5 Rfd6 29. c4 R6d3 30. Rab1 h6 31. Ne6 g5 32. Nc5 Rd4 33. Nxb7 Rxe4 34. Nc5 Ree2 35. Rbe1 Nf5 36. Rxe2 Rxe2 37. Kg1 f3 38. g3 Rd2 39. Ne4 Rd3 40. Nc5 Rd2 41. Rb1 Nd4 42. a5 Kf7 43. Ne4 Ne2+ 44. Kf1 Rd4 45. Nc5 h5 46. Na6 h4 1/2-1/2

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2011.11.26"]
[Round "3.9"]
[White "Nagtegaal, Kees"]
[Black "Hachijan, Armen"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2198"]
[BlackElo "2188"]
[PlyCount "103"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]
[WhiteTeam "Hilversum HSG"]
[BlackTeam "Apeldoorn"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. d3 d6 6. e4 c5 7. Nge2 Nc6 8. 0-0 Ne8 9. f4 Bg4 10. Bf3 Bxf3 11. Rxf3 f5 12. Be3 Nd4 13. Rf2 Nf6 14. h3 Qd7 15. Kg2 e5 16. fxe5 dxe5 17. Bg5 h6 18. Bxf6 Rxf6 19. Nd5 Rf7 20. Nxd4 cxd4 21. Qe2 Raf8 22. Raf1 Kh8 23. b3 Kh7 24. a4 Qd6 25. b4 a5 26. bxa5 Qa3 27. g4 f4 28. Qc2 Ra8 29. Rb1 Rxa5 30. Nb6 Qe7 31. Qd1 Ra6 32. Qf3 Bf6 33. Rfb2 Ra7 34. Nc8 Qc5 35. Nxa7 Qxa7 36. Qd1 Bd8 37. Kf3 b6 38. Rb5 Qe7 39. Qc2 Qh4 40. Qg2 Ra7 41. a5 Bc7 42. g5 h5 43. c5 bxc5 44. Rb7 Rxb7 45. Rxb7 Qe1 46. Rxc7+ Kh8 47. Qf2 Qd1+ 48. Kg2 Qxd3 49. a6 Qxe4+ 50. Kh2 f3 51. Qb2 Qf4+ 52. Kh1 1-0

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2011.10.29"]
[Round "2.9"]
[White "Nagtegaal, Kees"]
[Black "Willemze, Thomas"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2198"]
[BlackElo "2370"]
[PlyCount "122"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Hilversum HSG"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 e6 2. g3 d5 3. Bg2 c5 4. Nf3 Nc6 5. 0-0 Nf6 6. b3 Be7 7. e3 0-0 8. Bb2 Qb6 9. cxd5 exd5 10. d4 Bg4 11. dxc5 Qxc5 12. Nbd2 Ne4 13. h3 Bh5 14. g4 Bg6 15. Nd4 Nc3 16. Bxc3 Qxc3 17. Rc1 Qa5 18. Rxc6 bxc6 19. Nxc6 Qc5 20. Bxd5 Bg5 21. Ne4 Bxe4 22. Bxe4 Rae8 23. b4 Qb6 24. Qd3 Re6 25. b5 h5 26. Bf5 Rh6 27. f4 hxg4 28. fxg5 Rxh3 29. Ne7+ Kh8 30. Nd5 Qd8 31. Qd4 Qxg5 32. Qf4 Qh4 33. Kg2 Qd8 34. Qxg4 Rh4 35. Qxh4+ Qxh4 36. Rh1 Qxh1+ 37. Kxh1 g6 38. Bd7 Kg7 39. Kg2 Rh8 40. a4 Rh4 41. a5 Ra4 42. a6 Ra1 43. Bc6 f5 44. Ne7 Kf6 45. Nc8 g5 46. Nxa7 g4 47. Kg3 Ra3 48. Kf4 Ra4+ 49. e4 fxe4 50. Nc8 g3 51. Kxg3 Ke5 52. a7 Ra3+ 53. Kf2 Ra2+ 54. Ke3 Ra3+ 55. Kd2 Ra2+ 56. Kc3 e3 57. Kd3 e2 58. a8Q Rxa8 59. Bxa8 e1Q 60. b6 Qd1+ 61. Ke3 Qb3+ 0-1

[Event "NED-chT 1112"]
[Site "Netherlands"]
[Date "2011.09.17"]
[Round "1.9"]
[White "Kampman, Tijmen"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2124"]
[BlackElo "2198"]
[PlyCount "62"]
[EventDate "2011.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]
[WhiteTeam "De Stukkenjagers"]
[BlackTeam "Hilversum HSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. Nge2 h5 7. h3 Be6 8. d3 Nd4 9. Be3 Bd7 10. Rb1 a5 11. f4 e6 12. 0-0 Ne7 13. Qd2 Bc6 14. Bxd4 cxd4 15. Nb5 Bxb5 16. cxb5 Qb6 17. a4 0-0 18. g4 hxg4 19. hxg4 f5 20. exf5 gxf5 21. Ng3 fxg4 22. Qe2 Rf6 23. Qxg4 Rg6 24. Qh4 d5 25. Rbe1 Qd6 26. Rf3 Rf8 27. Kf2 Rh6 28. Qg4 Rg6 29. Qh4 Rh6 30. Qg4 Rg6 31. Qh4 Rh6 1/2-1/2

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2011.06.24"]
[Round "2"]
[White "Dgebuadze, Alexandre"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2521"]
[BlackElo "2204"]
[PlyCount "68"]
[EventDate "2011.06.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. a4 b6 6. Nf3 Bb7 7. Bd3 e6 8. Qd2 h6 9. h3 Ne7 10. Ne2 Nd7 11. c3 Nf6 12. Ng3 d5 13. e5 Ne4 14. Qc2 Nxg3 15. fxg3 Nf5 16. Bf2 h5 17. Qe2 Bf8 18. a5 c5 19. axb6 c4 20. Bc2 Be7 21. 0-0 Qxb6 22. Rfb1 Kf8 23. g4 hxg4 24. hxg4 Ng7 25. Be3 Bc6 26. Bg5 Bxg5 27. Nxg5 Qd8 28. Qe3 Kg8 29. Rf1 Be8 30. Rf6 Qe7 31. Raf1 Rb8 32. Qf3 Rxb2 33. Bxg6 a5 34. Nxf7 Qd8 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.07.04"]
[Round "9"]
[White "Lalith, Babu MR"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2493"]
[BlackElo "2200"]
[PlyCount "59"]
[EventDate "2010.06.26"]
[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. Nf3 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 d6 7. d4 Qe8 8. d5 a5 9. Be3 Na6 10. Re1 Bd7 11. Bd4 c5 12. Bxf6 Bxf6 13. e4 fxe4 14. Nxe4 Qf7 15. Qd2 Nc7 16. Nfg5 Qg7 17. Nxf6+ Qxf6 18. Ne4 Qg7 19. Re3 b5 20. Rae1 h6 21. Nxc5 dxc5 22. Rxe7 Rf7 23. d6 Re8 24. Rxf7 Rxe1+ 25. Qxe1 Qxf7 26. dxc7 bxc4 27. Qxa5 Qf5 28. Qa8+ Kg7 29. Be4 Qe5 30. Bd5 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.07.03"]
[Round "8"]
[White "Nagtegaal, Kees"]
[Black "Schroer, Marcel"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2200"]
[BlackElo "2105"]
[PlyCount "63"]
[EventDate "2010.06.26"]
[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. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 0-0 9. b4 Be6 10. Rb1 f6 11. d3 Nd4 12. Nd2 c6 13. Nde4 Bf7 14. Nc5 Qc7 15. e3 Ne6 16. Nxe6 Bxe6 17. Qc2 Rad8 18. Ne4 Kh8 19. Nc5 Bf7 20. Rd1 f5 21. Bh3 g6 22. Bb2 Bf6 23. e4 Qc8 24. exf5 gxf5 25. Re1 Rfe8 26. f4 Qc7 27. Bxf5 Nd5 28. fxe5 Bxe5 29. Rxe5 Rxe5 30. Re1 Rde8 31. Rxe5 Rxe5 32. Qe2 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.07.02"]
[Round "7"]
[White "Vogel, Jaap"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2210"]
[BlackElo "2200"]
[PlyCount "125"]
[EventDate "2010.06.26"]
[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. Nf3 d6 2. d4 f5 3. g3 Nf6 4. Bg2 e6 5. 0-0 Be7 6. b3 0-0 7. Bb2 a5 8. a3 Qe8 9. c4 c6 10. Qc2 Qh5 11. Nbd2 Nbd7 12. e4 fxe4 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qd3 e5 16. dxe5 Ng4 17. h3 Nxe5 18. Nxe5 dxe5 19. Rae1 Bf5 20. Qc3 Qg6 21. Rd1 h5 22. c5 Rad8 23. Rxd8 Bxd8 24. Re1 Bc7 25. Qe3 Re8 26. b4 Rd8 27. Bxe5 Rd3 28. Qf4 Bd8 29. Bb2 Bf6 30. Qc4+ Kh7 31. Bxf6 Qxf6 32. bxa5 Rxa3 33. Qb4 Qc3 34. Qxc3 Rxc3 35. Re5 Kg6 36. a6 bxa6 37. Bxc6 Kf6 38. Rd5 Bxh3 39. Rd6+ Ke7 40. Be4 a5 41. Rc6 a4 42. Rc7+ Kf6 43. Ra7 a3 44. Ra6+ Ke5 45. Bg2 Be6 46. f4+ Kd4 47. Rxe6 Rc1+ 48. Kh2 a2 49. Ra6 a1Q 50. Rxa1 Rxa1 51. c6 Ke3 52. Bd5 Rc1 53. Kh3 Rc5 54. Bf7 Rxc6 55. Kh4 Rh6 56. f5 Ke4 57. Bg6 Ke5 58. Kg5 h4 59. gxh4 Rh8 60. Bf7 Rd8 61. Kg6 Rd4 62. Kxg7 Rxh4 63. Bg6 1/2-1/2

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.07.01"]
[Round "6"]
[White "Nagtegaal, Kees"]
[Black "De Wit, Albert"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2200"]
[BlackElo "1955"]
[PlyCount "90"]
[EventDate "2010.06.26"]
[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. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. e4 Nc6 6. Nge2 f5 7. d3 Nf6 8. Nd5 0-0 9. Bg5 Ne7 10. 0-0 c6 11. Nxf6+ Bxf6 12. Bh6 Rf7 13. Qd2 Be6 14. Rfe1 Qd7 15. Rad1 Rd8 16. f4 fxe4 17. Bxe4 d5 18. cxd5 Nxd5 19. fxe5 Bxe5 20. Bg2 Bg4 21. Rf1 Re8 22. Rxf7 Qxf7 23. Rf1 Qe6 24. Kh1 Bf5 25. Nc3 Nf6 26. d4 Rd8 27. d5 Nxd5 28. Rd1 Rd7 29. Nxd5 cxd5 30. Qb4 Qd6 31. Qxd6 Rxd6 32. Rxd5 Rxd5 33. Bxd5+ Kh8 34. b3 b6 35. Kg2 Bg7 36. Bf4 Bd4 37. Bh6 Bg7 38. Be3 Be5 39. h3 h5 40. a4 Kg7 41. Bg5 Bd4 42. h4 Bg4 43. Bf4 a5 44. Bg5 Bc5 45. Bd8 Bd4 1/2-1/2

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.06.29"]
[Round "4"]
[White "Afek, Yochanan"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2282"]
[BlackElo "2200"]
[PlyCount "94"]
[EventDate "2010.06.26"]
[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 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. Bc4 d6 6. d4 cxd4 7. cxd4 Nb6 8. Bd3 dxe5 9. Nxe5 Nc6 10. Qf3 Nxe5 11. dxe5 Qd5 12. Qg3 Bb4+ 13. Nc3 Bxc3+ 14. bxc3 Bd7 15. 0-0 0-0-0 16. c4 Qd4 17. Ba3 Bc6 18. Bd6 g5 19. Rfd1 Qf4 20. Qxf4 gxf4 21. f3 h5 22. Bf1 h4 23. Rd4 h3 24. gxh3 Bxf3 25. Rxf4 Bh5 26. c5 Nd7 27. Ra4 Rhg8+ 28. Kf2 Rg5 29. Rxa7 Rf5+ 30. Ke3 Nxe5 31. Rb1 Rxd6 32. cxd6 Nc6 33. Raxb7 Rf3+ 34. Kd2 Bg6 35. Rc7+ Kd8 36. Be2 Bxb1 37. Bxf3 Ne5 38. Bh5 Bxa2 39. Bxf7 Nc4+ 40. Rxc4 Bxc4 41. h4 Kd7 42. h5 Ba2 43. h4 Kxd6 44. h6 Bb1 45. h5 Ke7 46. Bg6 Kf8 47. Bxb1 Kg8 1/2-1/2

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.06.28"]
[Round "3"]
[White "Nagtegaal, Kees"]
[Black "Van der Kooij, Paul"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2200"]
[BlackElo "2054"]
[PlyCount "75"]
[EventDate "2010.06.26"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. 0-0 Qc7 7. Nc3 Nc6 8. Nxc6 dxc6 9. a4 a5 10. f4 e5 11. Kh1 Bd6 12. f5 h5 13. Qe2 Bc5 14. Nd1 Qe7 15. Bg5 Bd7 16. g3 Qd6 17. Ne3 Qc7 18. Nc4 Ng4 19. h3 b5 20. hxg4 hxg4+ 21. Kg2 bxc4 22. Bxc4 f6 23. Be3 Qb6 24. Ra3 Bxe3 25. Rxe3 Ke7 26. Rb3 Qa7 27. Qf2 Qd4 28. Qxd4 exd4 29. Rf4 Rh6 30. Rxg4 g5 31. e5 fxe5 32. Rb7 Kd6 33. Rxg5 Rf8 34. Bd3 Bc8 35. Ra7 Rhf6 36. g4 Kd5 37. Rxa5+ c5 38. b4 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.06.27"]
[Round "2"]
[White "Nyzhnyk, Illya"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2544"]
[BlackElo "2200"]
[PlyCount "117"]
[EventDate "2010.06.26"]
[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. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Bd3 Qd7 7. Qf3 Nc6 8. a3 0-0-0 9. Nge2 Ne7 10. h4 h5 11. 0-0-0 Kb8 12. Kb1 g6 13. Nf4 Bf7 14. g3 Nc8 15. Qg2 c6 16. f3 Nd6 17. Rhe1 Bh6 18. e4 fxe4 19. fxe4 dxe4 20. Nxe4 Nxe4 21. Bxe4 f5 22. Bf3 Rhe8 23. Rxe8 Qxe8 24. Qf2 Qd7 25. Bg2 Qd6 26. c3 Bxf4 27. gxf4 Qe6 28. d5 Qf6 29. c4 b6 30. Qf3 cxd5 31. cxd5 Qd6 32. Qe3 Re8 33. Qd4 Qc5 34. Qf6 Qe7 35. Qxe7 Rxe7 36. d6 Rd7 37. Bc6 Rd8 38. b4 a6 39. a4 Be6 40. b5 axb5 41. axb5 Kc8 42. Kb2 Kb8 43. Kc3 Kc8 44. Rg1 Rxd6 45. Rxg6 Kc7 46. Rg7+ Kd8 47. Rb7 Bc8 48. Rh7 Rd1 49. Rxh5 Rf1 50. Kd4 Rxf4+ 51. Ke5 Rg4 52. Rh8+ Kc7 53. h5 f4 54. h6 Rh4 55. Be4 Bd7 56. h7 f3 57. Rf8 Bxb5 58. Rxf3 Bc6 59. Rf7+ 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.06.26"]
[Round "1"]
[White "Nagtegaal, Kees"]
[Black "Abma, Klaas"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2200"]
[BlackElo "1981"]
[PlyCount "61"]
[EventDate "2010.06.26"]
[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 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Bd3 Bc5 7. Nb3 Be7 8. 0-0 Nf6 9. f4 d6 10. Qe2 Nbd7 11. Bd2 0-0 12. Rae1 e5 13. Nd5 Nxd5 14. exd5 f5 15. fxe5 Nxe5 16. Ba5 Qd7 17. Nd4 Qa4 18. Bc3 Nxd3 19. Qxd3 Bf6 20. Nf3 Bd7 21. Bxf6 Rxf6 22. b3 Qg4 23. Re7 Rg6 24. Rf2 f4 25. Nd4 f3 26. h3 Qg5 27. Rxd7 Qc1+ 28. Qf1 Qe3 29. Nxf3 Rf8 30. Qd3 Qe8 31. Rxb7 1-0

[Event "Bussum op"]
[Site "Bussum"]
[Date "2008.05.12"]
[Round "7"]
[White "Alienkin, Aleksander"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2407"]
[BlackElo "2226"]
[PlyCount "57"]
[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 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 d6 5. Bb5 e5 6. Qe2 Be7 7. c3 Bf6 8. d4 Bd7 9. dxc5 dxc5 10. Qe3 b6 11. Bxc6 Bxc6 12. c4 Qc7 13. Nc3 Ne7 14. 0-0-0 0-0 15. g4 g6 16. Nd5 Nxd5 17. exd5 Bd7 18. g5 Bg7 19. Bxe5 Bxe5 20. Nxe5 Qd6 21. Nxd7 Qxd7 22. Rhe1 f6 23. f4 Rae8 24. Qd2 Qf5 25. d6 Kf7 26. Kb2 Rxe1 27. Rxe1 Re8 28. Rxe8 Kxe8 29. Qe3+ 1-0

[Event "Bussum op"]
[Site "Bussum"]
[Date "2008.05.12"]
[Round "6"]
[White "Nagtegaal, Kees"]
[Black "Otte, Marijn Willem"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2226"]
[BlackElo "2192"]
[PlyCount "83"]
[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 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d3 c5 6. Nf3 Nc6 7. 0-0 d6 8. Rb1 Rb8 9. b3 b6 10. Bb2 Bb7 11. d4 cxd4 12. Nxd4 Nxd4 13. Qxd4 Ne4 14. Qe3 Nxc3 15. Bxc3 Bxc3 16. Qxc3 Bxg2 17. Kxg2 Qc7 18. Qf3 Qb7 19. Rfd1 Qxf3+ 20. Kxf3 Rfc8 21. Rd5 Kg7 22. g4 Kf6 23. Rbd1 Rc5 24. e4 Ke6 25. g5 h6 26. gxh6 Rh8 27. Kg3 Rxh6 28. f4 Rh5 29. h4 Rhxd5 30. Rxd5 Rxd5 31. cxd5+ Kf6 32. Kg4 e6 33. dxe6 fxe6 34. e5+ dxe5 35. fxe5+ Kxe5 36. Kg5 Kd5 37. Kxg6 e5 38. h5 e4 39. h6 e3 40. h7 e2 41. h8Q e1Q 42. Qa8+ 1/2-1/2

[Event "Bussum op"]
[Site "Bussum"]
[Date "2008.05.11"]
[Round "4"]
[White "Nagtegaal, Kees"]
[Black "Van den Doel, Erik"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2226"]
[BlackElo "2593"]
[PlyCount "64"]
[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 Bb4 4. Bg2 0-0 5. Nd5 Nxd5 6. cxd5 c6 7. e3 cxd5 8. Bxd5 Nc6 9. Ne2 Ne7 10. Bg2 d5 11. 0-0 Be6 12. d4 e4 13. Bd2 Bd6 14. Qb3 Qd7 15. Bb4 Bxb4 16. Qxb4 Bg4 17. Nc3 Rfc8 18. Rfc1 Rc4 19. Qb3 Rac8 20. Bf1 Bf3 21. Qc2 R4c6 22. Qd2 Rh6 23. Ne2 Re8 24. Rc5 g5 25. Rac1 Nc6 26. b4 Ree6 27. h4 gxh4 28. Nf4 hxg3 29. fxg3 Rh1+ 30. Kf2 Rh2+ 31. Ng2 Rg6 32. R1c2 Rxg3 0-1

[Event "Bussum op"]
[Site "Bussum"]
[Date "2008.05.10"]
[Round "2"]
[White "Ris, Robert"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2386"]
[BlackElo "2226"]
[PlyCount "64"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qg4 Nf6 8. Qg3 d6 9. Bg5 Nc6 10. f4 h6 11. Bh4 g5 12. fxg5 Nh5 13. Qg4 hxg5 14. Bxg5 Ne5 15. Qh4 f6 16. Bd2 Kd7 17. Nc3 Ng7 18. Qg3 Nh5 19. Qh4 Ng7 20. Qf4 Nh5 21. Qf1 Ng4 22. Qe2 Bf2+ 23. Kd1 Qg8 24. Rf1 Ba7 25. g3 Kc7 26. a4 Bd7 27. a5 Bc6 28. Na4 Nxh2 29. Nb6 Nxg3 30. Qf2 Nhxf1 31. Qxf6 Re8 32. Bf4 Qf8 0-1

[Event "Bussum op"]
[Site "Bussum"]
[Date "2004.05.31"]
[Round "6"]
[White "Nagtegaal, Kees"]
[Black "Van den Bersselaar, Jeroen"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "2188"]
[PlyCount "60"]
[EventDate "2004.05.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 100 Extra"]
[Source "ChessBase"]
[SourceDate "2004.07.06"]
[SourceVersion "2"]
[SourceVersionDate "2004.07.06"]
[SourceQuality "1"]

1. c4 c6 2. e4 e5 3. Nf3 d6 4. Nc3 Be7 5. g3 Be6 6. d4 Nd7 7. h3 f6 8. d5 Bf7 9. g4 h5 10. Nh4 g6 11. gxh5 Rxh5 12. Ng2 f5 13. Be2 Rh7 14. exf5 gxf5 15. Ne3 Nh6 16. Bd3 Nc5 17. Nxf5 Nxd3+ 18. Qxd3 Nxf5 19. Qxf5 Rh5 20. Qf3 Qd7 21. Be3 Rh4 22. b3 c5 23. Ne4 Rh5 24. Kd2 Rf5 25. Qg4 Bh5 26. Nf6+ Bxf6 27. Qg8+ Ke7 28. Qxa8 e4 29. Raf1 Rxd5+ 30. cxd5 Qb5 0-1

[Event "Bussum op"]
[Site "Bussum"]
[Date "2004.05.30"]
[Round "4"]
[White "Doggers, Peter"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2199"]
[PlyCount "101"]
[EventDate "2004.05.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 100 Extra"]
[Source "ChessBase"]
[SourceDate "2004.07.06"]
[SourceVersion "2"]
[SourceVersionDate "2004.07.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be3 b5 6. Bd3 Nd7 7. Qd2 Qc7 8. 0-0 a6 9. a4 Bb7 10. h3 b4 11. Ne2 c5 12. Ng3 c4 13. Be2 c3 14. bxc3 bxc3 15. Qe1 Ngf6 16. Bd3 0-0 17. Nh2 d5 18. e5 Ne4 19. Ne2 f6 20. e6 Nb6 21. Bxe4 dxe4 22. Qxc3 Qxc3 23. Nxc3 Rfc8 24. Rfb1 Rxc3 25. Rxb6 Bd5 26. Rc1 f5 27. Nf1 a5 28. Bd2 Bxd4 29. Rb5 Rc5 30. Ne3 Rxb5 31. axb5 Bxe6 32. c4 a4 33. Nc2 Bb2 34. Rb1 a3 35. Bb4 Bxc4 36. Nxa3 Bxa3 37. Ra1 Bxb5 38. Rxa3 Rxa3 39. Bxa3 Kf7 40. g3 g5 41. Bb2 Ke6 42. Kg2 Be2 43. Bg7 f4 44. h4 f3+ 45. Kg1 gxh4 46. gxh4 Kf5 47. Bf8 e6 48. Bh6 Kg4 49. Bg5 h5 50. Kh2 Bc4 51. Be3 1/2-1/2

[Event "Bussum op"]
[Site "Bussum"]
[Date "2004.05.30"]
[Round "5"]
[White "Nagtegaal, Kees"]
[Black "Witt, Rob"]
[Result "1/2-1/2"]
[ECO "A11"]
[BlackElo "2324"]
[PlyCount "42"]
[EventDate "2004.05.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 100 Extra"]
[Source "ChessBase"]
[SourceDate "2004.07.06"]
[SourceVersion "2"]
[SourceVersionDate "2004.07.06"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. Bg2 Nf6 4. Nf3 a6 5. b3 Bg4 6. Bb2 Nbd7 7. 0-0 e6 8. d4 Be7 9. Nbd2 0-0 10. Re1 b5 11. e4 bxc4 12. e5 Ne8 13. bxc4 a5 14. h3 Bf5 15. c5 a4 16. Nb1 Qb8 17. Ba3 Nc7 18. Nc3 Nb5 19. Nxb5 Qxb5 20. Bf1 Qa5 21. Re3 Rfb8 1/2-1/2

[Event "Bussum op"]
[Site "Bussum"]
[Date "2004.05.29"]
[Round "3"]
[White "Nagtegaal, Kees"]
[Black "Ris, Robert"]
[Result "1-0"]
[ECO "A24"]
[BlackElo "2302"]
[PlyCount "73"]
[EventDate "2004.05.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 100 Extra"]
[Source "ChessBase"]
[SourceDate "2004.07.06"]
[SourceVersion "2"]
[SourceVersionDate "2004.07.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 e5 5. e4 0-0 6. Nge2 Nc6 7. 0-0 d6 8. f4 Nd4 9. d3 c6 10. Nxd4 exd4 11. Ne2 a5 12. h3 Nd7 13. g4 f5 14. exf5 gxf5 15. g5 a4 16. Ng3 Nc5 17. Qf3 Be6 18. Re1 d5 19. Rxe6 Nxe6 20. cxd5 Nc5 21. Bd2 Qxd5 22. Qxd5+ cxd5 23. Bxd5+ Kh8 24. Bc4 b5 25. Bxb5 Rab8 26. Bc4 Rxb2 27. Bc1 Rc2 28. Ba3 Rc8 29. Nxf5 Bf8 30. Nxd4 Rd2 31. Nf3 Rc2 32. Rb1 h6 33. g6 Ne4 34. Bxf8 Rxf8 35. Rb7 Rc1+ 36. Kg2 Rg8 37. Rh7# 1-0

[Event "Avoine op 07th"]
[Site "Avoine"]
[Date "1992.??.??"]
[Round "6"]
[White "Blokhuis, Edgar M"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2305"]
[BlackElo "2000"]
[PlyCount "46"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 g6 2. Bf4 Bg7 3. Nf3 Nf6 4. e3 0-0 5. h3 d6 6. c4 c5 7. Nc3 Qa5 8. Qd2 cxd4 9. exd4 e5 10. Be3 Nc6 11. d5 Ne7 12. g4 h5 13. Bg5 hxg4 14. hxg4 Bxg4 15. Bxf6 Bxf6 16. Qh6 Rfc8 17. Ng5 Bg7 18. Qh7+ Kf8 19. Qh4 Bh5 20. Nh7+ Ke8 21. Bh3 Nxd5 22. Bxc8 Nxc3 23. Bxb7 Rb8 1-0

[Event "Avoine op 07th"]
[Site "Avoine"]
[Date "1992.??.??"]
[Round "8"]
[White "Chaplin, Erik"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2270"]
[BlackElo "2000"]
[PlyCount "60"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 c6 5. 0-0 Nd7 6. Re1 Qc7 7. a4 Ngf6 8. Bf1 e5 9. c3 0-0 10. a5 d5 11. exd5 Nxd5 12. c4 Nb4 13. Bd2 c5 14. dxc5 Qxc5 15. Ra4 Na6 16. b4 Qe7 17. Qb3 h6 18. Nc3 Nc7 19. Ra2 Kh7 20. Bc1 Re8 21. c5 f5 22. Nd2 e4 23. Nc4 Ne5 24. Nxe5 Bxe5 25. Bc4 Be6 26. Bxe6 Qxe6 27. Qxe6 Nxe6 28. Nb5 Red8 29. Rd2 a6 30. Na3 Bc3 0-1

[Event "Avoine op 07th"]
[Site "Avoine"]
[Date "1992.??.??"]
[Round "5"]
[White "Nagtegaal, Kees"]
[Black "Lukasiewicz, Grzegorz"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2000"]
[BlackElo "2360"]
[PlyCount "57"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 f5 2. d4 e6 3. Nf3 d5 4. Bf4 Nf6 5. e3 c6 6. Nc3 Be7 7. Be2 0-0 8. Qc2 Ne4 9. Nxe4 dxe4 10. Ne5 Qa5+ 11. Kf1 c5 12. d5 Bf6 13. f3 g5 14. Bg3 Nd7 15. Nxd7 Bxd7 16. fxe4 fxe4 17. Kg1 exd5 18. cxd5 Qb6 19. Bc4 Rae8 20. h4 gxh4 21. d6+ Kh8 22. Rxh4 Bc6 23. Rf1 Qxb2 24. Rxf6 Qxf6 25. Be1 Qxd6 26. Bc3+ Rf6 27. Rf4 Ref8 28. Qf2 Qd1+ 29. Bf1 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "7"]
[White "Baart, Joan"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "A14"]
[PlyCount "41"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 d5 6. b3 Nbd7 7. Bb2 Be7 8. e3 0-0 9. d3 c5 10. Nc3 Rc8 11. Qe2 Qc7 12. e4 dxe4 13. dxe4 Rfd8 14. Rfe1 Nf8 15. Nb5 Qd7 16. Nxa7 Ra8 17. Ne5 Qd2 18. Nac6 Bxc6 19. Nxc6 Ng6 20. Nxd8 Qxd8 21. e5 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "3"]
[White "De Roode, Peter"]
[Black "Nagtegaal, Kees"]
[Result "1-0"]
[ECO "A22"]
[PlyCount "111"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 0-0 5. Nf3 Re8 6. 0-0 e4 7. Ne1 Bxc3 8. dxc3 h6 9. Nc2 b6 10. Ne3 Bb7 11. b3 d6 12. a4 a5 13. Ra2 Nbd7 14. f4 exf3 15. exf3 Nc5 16. b4 Ncd7 17. Qb3 Bc6 18. Nf5 Ne5 19. Nd4 Bb7 20. Rd2 Nfd7 21. Nb5 Qc8 22. Rd4 Bc6 23. Qd1 Qb7 24. Nxd6 cxd6 25. b5 Bxf3 26. Bxf3 Nxf3+ 27. Rxf3 Re6 28. Re3 Ne5 29. Ba3 Rf6 30. Rxd6 Rxd6 31. Bxd6 Nxc4 32. Re7 Qc8 33. Bc7 Qf5 34. Qe2 Qc5+ 35. Kg2 Rf8 36. Bf4 Nb2 37. Rc7 Qd5+ 38. Qf3 Qxf3+ 39. Kxf3 Nxa4 40. Rc4 Nb2 41. Rc6 Rd8 42. Ke4 f5+ 43. Kxf5 Na4 44. Rc7 Rf8+ 45. Ke6 Rf6+ 46. Kd5 Rf5+ 47. Be5 Rf2 48. Rxg7+ Kf8 49. Rh7 Rxh2 50. c4 Rh5 51. Ke6 Rg5 52. Rh8+ Rg8 53. Rxg8+ Kxg8 54. Bd4 Kh7 55. Kf6 h5 56. Kg5 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "1"]
[White "Janssen, Han"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "B06"]
[PlyCount "83"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Qe2 Nc6 6. e5 dxe5 7. dxe5 Nd5 8. h3 0-0 9. 0-0 Na5 10. Bd3 Nb4 11. Be4 c5 12. c3 Nbc6 13. Bf4 Qc7 14. Bc2 Be6 15. Nbd2 Bd5 16. Rfe1 Nd8 17. Bg3 Ne6 18. b3 b6 19. Qe3 Rad8 20. h4 Ba8 21. h5 Nc6 22. Nf1 Rd7 23. N1h2 Ncd8 24. Ng4 Qc6 25. Nh6+ Kh8 26. Kh2 Nc7 27. hxg6 fxg6 28. Qg5 Rxf3 29. gxf3 Qxf3 30. Rg1 Nce6 31. Qh4 g5 32. Nf7+ Kg8 33. Nxg5 Nxg5 34. Qxg5 Rd2 35. Rad1 Nf7 36. Qf5 Rxc2 37. Qc8+ Nd8 38. Rxd8+ Kf7 39. e6+ Kf6 40. Qxa8 Rxf2+ 41. Bxf2 Qxf2+ 42. Qg2 1/2-1/2

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "8"]
[White "Nagtegaal, Kees"]
[Black "Bosch, Peter M"]
[Result "1-0"]
[ECO "B30"]
[PlyCount "31"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Nge7 5. c3 a6 6. Bxc6 Nxc6 7. d4 cxd4 8. cxd4 exd4 9. Nxd4 Bc5 10. Nf5 Qf6 11. Nc3 Ne7 12. Nxe7 Qxe7 13. Nd5 Qd8 14. b4 Be7 15. Be3 Bd6 16. Nb6 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "2"]
[White "Nagtegaal, Kees"]
[Black "Douven, Rudy C"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "79"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 Bf5 4. e3 e6 5. Be2 Be7 6. Nh4 Bg6 7. Nxg6 hxg6 8. c4 c6 9. Qc2 Nbd7 10. d3 b5 11. Nd2 Qb6 12. Rc1 0-0 13. 0-0 a6 14. Nf3 Qb8 15. Qb1 dxc4 16. dxc4 e5 17. h3 b4 18. Rcd1 Re8 19. Bd3 Bd6 20. Ng5 Nf8 21. Rd2 N6h7 22. Nxh7 Nxh7 23. Rfd1 Rd8 24. f4 Ra7 25. Bxg6 fxg6 26. Qxg6 Nf8 27. Rxd6 Rdd7 28. Rxd7 Rxd7 29. Qg4 Rxd1+ 30. Qxd1 exf4 31. Qg4 Qc7 32. Qxf4 Qd7 33. Qd4 Qe7 34. Qe5 Qd7 35. Kh2 Ne6 36. Qb8+ Kh7 37. Qxb4 Qc7+ 38. Kg1 Qg3 39. Qd2 Ng5 40. Qd3+ 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "4"]
[White "Nagtegaal, Kees"]
[Black "Hauwert, Nicolaas"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "93"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 d6 5. Bg2 g6 6. 0-0 Bg7 7. d4 cxd4 8. Nxd4 Ne7 9. Bg5 h6 10. Be3 0-0 11. Qd2 Kh7 12. Rad1 Bd7 13. Nde2 Nc8 14. e5 d5 15. f4 Qc7 16. Nd4 Re8 17. h4 h5 18. Nf3 Ne7 19. Ng5+ Kg8 20. Bh3 Nbc6 21. Bf2 Na5 22. Ne2 Rac8 23. Nd4 Nc4 24. Qc1 Nc6 25. b3 N4a5 26. Qd2 Nxd4 27. Bxd4 Nc6 28. Bf2 Bf8 29. g4 hxg4 30. Bxg4 Nb4 31. c4 Red8 32. a3 Nc6 33. c5 a5 34. h5 Ne7 35. hxg6 Nxg6 36. Bh5 Be7 37. Qd3 Bxg5 38. Bxg6 Bh6 39. Bh4 fxg6 40. Qxg6+ Bg7 41. Rf2 Rf8 42. Rg2 Rf7 43. Kh2 Be8 44. Rdg1 Re7 45. Qh6 Rf7 46. Bf6 Kf8 47. Qh8+ 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "6"]
[White "Nagtegaal, Kees"]
[Black "Mulder, Bart Piet"]
[Result "1-0"]
[ECO "D01"]
[PlyCount "39"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Ne4 4. Nxe4 dxe4 5. e3 g6 6. Bc4 Bg7 7. Ne2 0-0 8. Nc3 c5 9. Nxe4 cxd4 10. exd4 Qxd4 11. Qxd4 Bxd4 12. c3 Bg7 13. 0-0 Nc6 14. Rfd1 h6 15. Be3 Rd8 16. Bd5 Bf5 17. Nc5 e6 18. Bf3 Rab8 19. Rxd8+ Nxd8 20. g4 1-0

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "5"]
[White "Van Mil, Johan"]
[Black "Nagtegaal, Kees"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "86"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nc3 Nf6 5. g3 c5 6. dxc5 Qxc5 7. Rc1 0-0 8. Bg2 Qxc4 9. Nd5 Bxd2+ 10. Qxd2 exd5 11. Rxc4 dxc4 12. Nh3 d5 13. Nf4 Be6 14. 0-0 Nc6 15. e4 dxe4 16. Nxe6 fxe6 17. Qe3 Rad8 18. Bxe4 Nd5 19. Qe2 Nd4 20. Qxc4 Nf3+ 21. Bxf3 Rxf3 22. Qg4 Rf6 23. Re1 Rdf8 24. f4 Nxf4 25. Re4 Rg6 26. Qd1 Nh3+ 27. Kg2 Nf2 28. Qe2 Nxe4 29. Qxe4 b6 30. Qb7 Rgf6 31. Qxa7 Rf2+ 32. Kh3 Rxb2 33. Qe7 Re2 34. Qb7 h5 35. Qxb6 Rff2 36. Qb8+ Kh7 37. Kh4 Rxh2+ 38. Kg5 Ref2 39. g4 hxg4 40. Qb1+ Rf5+ 41. Kxg4 Rg2+ 42. Kh4 Rg6 43. a4 Rfg5 0-1

[Event "NED U20-ch"]
[Site "Rotterdam"]
[Date "1977.??.??"]
[Round "9"]
[White "Van der Wiel, John"]
[Black "Nagtegaal, Kees"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "109"]
[EventDate "1977.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bf5 5. Nh4 Be4 6. Nd2 e6 7. Nxe4 Qxh4 8. Qf3 Qd8 9. c3 Nd7 10. Bc4 Be7 11. Bxd5 exd5 12. Ng3 Nf8 13. Qg4 Ne6 14. f4 g6 15. f5 Nf8 16. Qe2 Qd6 17. Bg5 f6 18. 0-0 0-0-0 19. Rae1 fxg5 20. Qxe7 Qxe7 21. Rxe7 gxf5 22. Rxf5 h6 23. Nh5 Rh7 24. Rff7 Rxf7 25. Rxf7 c6 26. Rf6 Re8 27. Ng7 Re1+ 28. Kf2 Nd7 29. Rxh6 Rb1 30. Ne6 Rxb2+ 31. Kg3 b5 32. Nxg5 Kc7 33. Ne6+ Kb6 34. Nd8 Kc7 35. Nxc6 Rxa2 36. Nb4 Ra3 37. Nxd5+ Kb7 38. h4 b4 39. Nxb4 Rxc3+ 40. Kf4 Rc4 41. Nd3 Rxd4+ 42. Ke3 Rg4 43. Nf4 a5 44. h5 a4 45. Rd6 Ne5 46. Rd5 Rg5 47. h6 Ng4+ 48. Kf3 Rxd5 49. Kxg4 Rd7 50. Ne2 a3 51. Nc3 Rh7 52. Kg5 Rc7 53. Na2 Rc2 54. h7 Rxg2+ 55. Kf6 1/2-1/2

