[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2023.06.23"]
[Round "1"]
[White "Van der Kooij, Paul"]
[Black "Thorfinnsson, Bjorn"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1992"]
[BlackElo "2369"]
[PlyCount "70"]
[EventDate "2023.06.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. e3 Bg7 8. Be2 0-0 9. 0-0 Bg4 10. a4 Na6 11. Nd2 Bxe2 12. Qxe2 Nb4 13. Nc4 Nfxd5 14. Nxd5 Nxd5 15. Rd1 Nb4 16. Rxd6 Qc7 17. g3 Rfd8 18. Rxd8+ Rxd8 19. Bd2 Qd7 20. Bc3 a6 21. Qf3 Qe6 22. Bxg7 Kxg7 23. Qe2 Rd3 24. Rc1 Qd5 25. e4 Qd4 26. e5 b5 27. axb5 axb5 28. Nd6 Qd5 29. Re1 Rd2 30. Qe3 Rd1 31. Ne8+ Kh8 32. Rxd1 Qxd1+ 33. Kg2 Nc2 34. Qh6 Ne1+ 35. Kf1 Nf3+ 1/2-1/2

[Event "Utrecht OKU op 44th"]
[Site "Utrecht"]
[Date "2017.06.09"]
[Round "1"]
[White "Van der Kooij, Paul"]
[Black "Peng, Zhaoqin"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2061"]
[BlackElo "2386"]
[PlyCount "64"]
[EventDate "2017.06.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. c4 Bb4+ 4. Nbd2 d6 5. a3 Bxd2+ 6. Bxd2 b6 7. e3 Bb7 8. Be2 0-0 9. 0-0 Nbd7 10. Bc3 Ne4 11. Rc1 c5 12. b3 Qe7 13. Bb2 f5 14. Rc2 Rad8 15. Ne1 d5 16. f3 Nd6 17. f4 dxc4 18. bxc4 Nf6 19. Qc1 Be4 20. Bd3 Qb7 21. Bxe4 Nfxe4 22. Nf3 Rc8 23. Rd1 Qe7 24. d5 h6 25. Be5 Kh7 26. Rd3 Rcd8 27. Qd1 exd5 28. Rxd5 Nxc4 29. Rxc4 Rxd5 30. Qxd5 Rd8 31. Bd6 Nxd6 32. Rc3 Ne4 0-1

[Event "Utrecht OKU op 42nd"]
[Site "Utrecht"]
[Date "2015.06.05"]
[Round "1"]
[White "Van Foreest, Lucas"]
[Black "Van der Kooij, Paul"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2284"]
[BlackElo "2031"]
[PlyCount "53"]
[EventDate "2015.06.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 166 Extra"]
[Source "ChessBase"]
[SourceDate "2015.06.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.06.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. f3 Nc6 9. Be3 d5 10. exd5 exd5 11. Nxc6 Qxc6 12. Qb3 Bxc3+ 13. Qxc3 Be6 14. c5 0-0 15. Bd3 Rfd8 16. 0-0 Ne8 17. Bd4 Qd7 18. Qc2 h6 19. f4 f5 20. Rae1 Nf6 21. Bxf6 gxf6 22. Qf2 Kh7 23. Qd4 Rf8 24. Re3 h5 25. Rfe1 Rae8 26. Bc2 Kg6 27. Ba4 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.07.01"]
[Round "6"]
[White "Van der Kooij, Paul"]
[Black "Koudinov, Dimitri"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2054"]
[BlackElo "2063"]
[PlyCount "11"]
[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 d5 2. Bf4 c5 3. e3 e6 4. c3 Nf6 5. Nd2 Nc6 6. Ngf3 1/2-1/2

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.06.30"]
[Round "5"]
[White "Burton, Graham P"]
[Black "Van der Kooij, Paul"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2083"]
[BlackElo "2054"]
[PlyCount "43"]
[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 Nf6 7. 0-0 Nc6 8. Nb3 b5 9. Be3 Ne5 10. Bd4 d6 11. f4 Nxd3 12. cxd3 e5 13. fxe5 dxe5 14. Rxf6 exd4 15. Nd5 Qd8 16. Rc6 Be6 17. Nc7+ Kd7 18. Rxe6 fxe6 19. Nxa8 Qxa8 20. Qh5 g6 21. Qe5 Bd6 22. Qg7+ 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.06.29"]
[Round "4"]
[White "Van der Kooij, Paul"]
[Black "Kunnen, Ruurd"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2054"]
[BlackElo "1986"]
[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. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 h6 5. Bh4 Nc6 6. c3 b6 7. Nbd2 Be7 8. Bd3 0-0 9. Qe2 d5 10. Rd1 Bb7 11. 0-0 Rc8 12. Rfe1 cxd4 13. exd4 Nh5 14. Bg3 Nxg3 15. hxg3 Bf6 16. Nf1 g6 17. Ne3 Bg7 18. Ng4 Kh7 19. Kh2 Qc7 20. Rh1 f5 21. Kg1 Qe7 22. Ne3 Rcd8 23. Qc2 Qf6 24. g4 Kg8 25. gxf5 exf5 26. Qb3 Qf7 27. Bb5 Ne7 28. Re1 Bc6 29. Bd3 Rfe8 30. Qd1 Nc8 31. Ne5 Bxe5 32. dxe5 Kg7 33. Nc2 Qc7 34. Nd4 Bb7 35. Qd2 h5 36. Qg5 Qf7 37. e6 Qf6 38. Nxf5+ 1-0

[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 "Van der Kooij, Paul"]
[Black "Tulfer, Paul M"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2054"]
[BlackElo "1901"]
[PlyCount "93"]
[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 Nf6 2. Nf3 e6 3. Bg5 h6 4. Bxf6 Qxf6 5. e4 d6 6. Nbd2 Nd7 7. Bd3 g6 8. 0-0 Bg7 9. c3 0-0 10. Re1 e5 11. Nc4 c6 12. Bc2 Rd8 13. Qe2 b6 14. Rad1 Ba6 15. Bd3 Bb7 16. Qc2 Rab8 17. Bf1 b5 18. Na5 Ba8 19. b4 Nb6 20. a3 Bf8 21. Rd2 Rd7 22. Red1 Rbd8 23. c4 bxc4 24. dxe5 dxe5 25. Rxd7 Rxd7 26. Rxd7 Nxd7 27. Nxc4 Bg7 28. Nfd2 Nb6 29. Na5 Qd8 30. Ndb3 Qd6 31. Be2 h5 32. h3 Bh6 33. Bf3 Kg7 34. g3 f6 35. h4 Kf7 36. Kg2 Ke7 37. Nc5 Nd7 38. Nxd7 Qxd7 39. Nb3 Qd6 40. Nc5 Bf8 41. Qc4 Bh6 42. Qg8 Qd2 43. Qxa8 Be3 44. Qxa7+ Ke8 45. Qd7+ Qxd7 46. Nxd7 Bd4 47. Nc5 1-0

[Event "Hilversum op-A"]
[Site "Hilversum"]
[Date "2010.06.26"]
[Round "1"]
[White "Piasetski, Leon David"]
[Black "Van der Kooij, Paul"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2301"]
[BlackElo "2054"]
[PlyCount "113"]
[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 d5 2. c4 c6 3. e3 Nf6 4. d4 Bg4 5. Qb3 Qb6 6. Ne5 Qxb3 7. axb3 e6 8. c5 Nbd7 9. Nxg4 Nxg4 10. b4 Be7 11. b5 Nb8 12. Nc3 a6 13. Bd2 0-0 14. Ra4 cxb5 15. Bxb5 Nf6 16. Ke2 Rc8 17. Rha1 Nbd7 18. b4 Rab8 19. Bd3 g6 20. f3 Bf8 21. g4 Bg7 22. g5 Ne8 23. f4 Nc7 24. b5 axb5 25. Nxb5 Nxb5 26. Bxb5 Nxc5 27. dxc5 Bxa1 28. Rxa1 Rxc5 29. Rb1 b6 30. Rb3 Ra8 31. Bd3 Rb8 32. Bc3 b5 33. Be5 Rb7 34. Rb4 Rc8 35. h4 Ra8 36. Bc2 Rb6 37. Bb3 Kf8 38. Bd4 Rb7 39. h5 Ke7 40. hxg6 hxg6 41. Kd3 Kd6 42. Kc2 Rc8+ 43. Kb2 Ra8 44. Bc2 Rc8 45. Bd3 Ra8 46. Kb3 Ra4 47. Bxb5 Rxb4+ 48. Kxb4 Ke7 49. Bc5+ Kd8 50. Ka5 Rb8 51. Bd6 Rc8 52. Kb6 Rc1 53. Bc5 e5 54. fxe5 Rg1 55. Kc6 Rxg5 56. Kd6 Kc8 57. Be8 1-0

[Event "Utrecht OKU op"]
[Site "Utrecht"]
[Date "2007.06.08"]
[Round "1.11"]
[White "Timman, Ton"]
[Black "Van der Kooij, Paul"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2214"]
[PlyCount "109"]
[EventDate "2007.06.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Qc2 e6 5. Bg5 Nbd7 6. e3 Bd6 7. Nc3 Qc7 8. c5 Be7 9. Bf4 Qd8 10. b4 Nh5 11. Bd3 Nxf4 12. exf4 g6 13. 0-0 Bf6 14. b5 Nb8 15. Rab1 0-0 16. Rfe1 Qc7 17. Ne5 Bg7 18. g3 Kh8 19. Qa4 Nd7 20. bxc6 Nxe5 21. fxe5 bxc6 22. f4 Bd7 23. Rb4 Rfb8 24. Reb1 Bc8 25. Rxb8 Rxb8 26. Rxb8 Qxb8 27. Qxc6 Bf8 28. Nb5 Kg7 29. Qc7 Qxc7 30. Nxc7 Be7 31. Ne8+ Kf8 32. Nd6 Bd7 33. Kf2 Bd8 34. Bb5 Bxb5 35. Nxb5 a6 36. Na7 Ke8 37. Nc6 Bc7 38. Nb4 a5 39. Nc2 Kd7 40. Ke3 Kc6 41. Na3 a4 42. Kd3 Ba5 43. Nc2 Kb5 44. a3 Bd8 45. Ne3 Ba5 46. Ng4 Be1 47. Nh6 Bf2 48. Nxf7 Bg1 49. g4 Bxh2 50. f5 gxf5 51. gxf5 exf5 52. Nd6+ Kc6 53. Nxf5 Bf4 54. Ne7+ Kd7 55. Nxd5 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2004.06.04"]
[Round "?"]
[White "L'Ami, Erwin"]
[Black "Van der Kooij, Paul"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2476"]
[PlyCount "59"]
[EventDate "2004.06.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 100 Extra"]
[Source "ChessBase"]
[SourceDate "2004.07.06"]
[SourceVersion "2"]
[SourceVersionDate "2004.07.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. c4 Qc7 7. Nc3 Bb4 8. 0-0 Nc6 9. Nxc6 dxc6 10. Qe2 e5 11. a3 Bc5 12. b4 Bd4 13. Bb2 Bg4 14. Qc2 Rd8 15. Be2 0-0 16. c5 Qe7 17. Na4 Bxe2 18. Qxe2 Bxb2 19. Nxb2 Rd4 20. f3 Rfd8 21. Nc4 Kf8 22. Nd6 g6 23. f4 Ne8 24. fxe5 Nxd6 25. exd6 Qxe4 26. Qf2 f5 27. Rae1 Qd5 28. Qe3 Kg8 29. Rxf5 Qxf5 30. Qxd4 1-0

[Event "NED-chTB 9495"]
[Site "Netherlands"]
[Date "1994.??.??"]
[Round "8"]
[White "Haakman, Adri"]
[Black "Van der Kooij, Paul"]
[Result "0-1"]
[ECO "B43"]
[PlyCount "100"]
[EventDate "1994.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. 0-0 Nc6 8. Nb3 Ne5 9. h3 Bb4 10. Bd2 h5 11. Nd5 Nxd5 12. exd5 Nxd3 13. cxd3 Bxd2 14. Qxd2 Qd6 15. dxe6 dxe6 16. Qg5 0-0 17. Qxh5 Qxd3 18. Rad1 Qb5 19. Qh4 e5 20. Rd2 Be6 21. Nc1 Rac8 22. b3 Qa5 23. Qg5 Rc6 24. Rfd1 Bxh3 25. Rd5 Qc7 26. Rd8 f6 27. Rxf8+ Kxf8 28. Qe3 Bg4 29. f3 Bf5 30. Ne2 b5 31. Ng3 Bg6 32. Qd2 Rc2 33. Qd5 Qc5+ 34. Qxc5+ Rxc5 35. Rd8+ Ke7 36. Ra8 Rc6 37. b4 f5 38. a3 Kf6 39. Kf2 Bf7 40. Ra7 g6 41. Nf1 Ba2 42. Ne3 Bb3 43. Ke1 Kg5 44. Kf2 f4 45. Ng4 e4 46. Ne5 e3+ 47. Ke2 Rc2+ 48. Kf1 Kf5 49. Re7 Be6 50. Ng4 Rc1+ 0-1

