[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "Dirkse, G."]
[Black "Rathenau, J."]
[Result "0-1"]
[ECO "A32"]
[WhiteElo "1650"]
[BlackElo "1688"]
[PlyCount "48"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Bb4 6. Bd2 Nc6 7. Nf3 0-0 8. Qc2 d5 9. e3 a6 10. Rd1 dxc4 11. Bxc4 Qc7 12. Bd3 Ne5 13. Nxe5 Qxe5 14. Ne4 Bxd2+ 15. Rxd2 Nxe4 16. Bxe4 f5 17. Bf3 g5 18. h3 f4 19. Re2 Qa5+ 20. Kf1 Bd7 21. Be4 Rac8 22. Qd2 Qxd2 23. Rxd2 Rc1+ 24. Ke2 Bb5+ 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Fijlstra, Frans"]
[Black "Dirkse, G."]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1585"]
[BlackElo "1650"]
[PlyCount "94"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nc6 3. e3 e6 4. Nf3 Nf6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Ne5 Bd7 8. Nxd7 Qxd7 9. Qe2 Be7 10. Nc3 c6 11. d4 0-0 12. a3 Bd6 13. g3 Rfe8 14. f4 Bc7 15. Na4 Ne4 16. Nc5 Nxc5 17. dxc5 e5 18. Bxe5 Bxe5 19. fxe5 Rxe5 20. 0-0-0 Rae8 21. Rd3 Qe7 22. b4 d4 23. Re1 dxe3 24. Rd6 Re4 25. Red1 Qe5 26. Kb1 a5 27. R1d3 axb4 28. a4 Qxc5 29. Rd7 Qc4 30. Rxb7 g6 31. Qe1 e2 32. Kb2 Rd4 33. Rb3 Rd1 34. R3xb4 Qxb4+ 35. Qxb4 e1Q 36. Qxe1 Rdxe1 37. Rc7 R1e4 38. a5 Ra4 39. Rxc6 Rxa5 40. Rc3 Rb8+ 41. Kc1 Rh5 42. h4 Re5 43. Kd2 Rbe8 44. Rd3 Re2+ 45. Kd1 Re1+ 46. Kd2 R8e2+ 47. Kc3 Re3 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "Dirkse, G."]
[Black "Roijers, Dennis"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "1650"]
[BlackElo "1593"]
[PlyCount "62"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Nxe4 dxe4 6. e3 Bg7 7. Ne2 c5 8. Qd2 Nc6 9. Qc2 cxd4 10. exd4 Nxd4 11. Nxd4 Qxd4 12. Rd1 Qc5 13. Qa4+ Qc6 14. Qxc6+ bxc6 15. Rd2 Rb8 16. Be2 Rxb2 17. Rxb2 Bxb2 18. 0-0 Bd4 19. Rd1 Bb6 20. Rd2 f6 21. Bh6 Bd7 22. h4 Rg8 23. Bd1 e6 24. Bc2 f5 25. Ba4 Ba5 26. Rb2 e5 27. Rb8+ Kf7 28. Rb7 Ke6 29. Bxc6 Kd6 30. Bg5 h5 31. Bf6 e3 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Wiersma, Arno"]
[Black "Dirkse, G."]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1726"]
[BlackElo "1650"]
[PlyCount "61"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 cxd4 4. exd4 e6 5. Nc3 d5 6. c5 Bd7 7. Bf4 a6 8. Nf3 Nc6 9. Be2 Be7 10. 0-0 0-0 11. a3 b6 12. b4 bxc5 13. bxc5 Nh5 14. Be3 Nf6 15. h3 Ne4 16. Qc2 Nxc3 17. Qxc3 Bf6 18. Bf4 Re8 19. Rab1 Nxd4 20. Nxd4 e5 21. Bxe5 Bxe5 22. Bf3 Qf6 23. Rfd1 Qf4 24. g3 Qf6 25. Bxd5 Rab8 26. Rxb8 Rxb8 27. Bg2 Ba4 28. Rd2 Rd8 29. Qb4 Bxd4 30. Qxa4 Bxc5 31. Rxd8+ 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "Bensdorp, Marlies"]
[Black "Dirkse, G."]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1669"]
[BlackElo "1650"]
[PlyCount "59"]
[EventDate "2000.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bg5 Be7 6. Bf4 Bb4+ 7. Nbd2 Qe7 8. a3 Ncxe5 9. Nxe5 Nxe5 10. e3 Bxd2+ 11. Qxd2 d6 12. Be2 0-0 13. 0-0 Ng6 14. Bg3 Nh4 15. Rac1 Qe4 16. f3 Qe7 17. e4 Kh8 18. Rfe1 f5 19. Bd3 f4 20. Bxf4 Ng6 21. Bg3 Qf6 22. c5 dxc5 23. Rxc5 c6 24. Rd1 Qf7 25. Bc4 Qe8 26. Bb3 Be6 27. Bxe6 Qxe6 28. Qd7 Qb3 29. Qd2 Qb6 30. Qf2 1-0

