[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "De Jonge, Jan"]
[Black "Prins, Jan"]
[Result "1/2-1/2"]
[ECO "B11"]
[PlyCount "66"]
[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. e4 c6 2. Nc3 d5 3. Nf3 d4 4. Ne2 c5 5. g3 Nc6 6. d3 e5 7. Bg2 Bd6 8. 0-0 Nf6 9. Nd2 Be6 10. c4 Qd7 11. f4 Bh3 12. Nf3 Bxg2 13. Kxg2 0-0-0 14. a3 Rde8 15. Rb1 h5 16. Nh4 exf4 17. Bxf4 Bxf4 18. Rxf4 Ng4 19. Rxg4 hxg4 20. b4 Re6 21. Nf5 g6 22. Nh4 f5 23. Nf4 g5 24. Nxe6 gxh4 25. exf5 Ne5 26. Nxc5 Qxf5 27. Qe2 hxg3 28. Rh1 Nf3 29. hxg3 Rxh1 30. Qe8+ Kc7 31. Qe7+ Kc8 32. Qe8+ Kc7 33. Qe7+ Kc8 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Janse, Jan Jaap"]
[Black "De Jonge, Jan"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "39"]
[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. Bg5 g6 3. Bxf6 exf6 4. e3 Bg7 5. Bd3 0-0 6. h4 d5 7. h5 f5 8. Nc3 c6 9. Qf3 Qf6 10. Nh3 g5 11. h6 g4 12. Qg3 Qxh6 13. 0-0-0 gxh3 14. Ne2 Na6 15. Nf4 Nb4 16. Rxh3 Nxd3+ 17. cxd3 Qf6 18. Rdh1 h6 19. Rxh6 Qxd4 20. Rh8# 1-0

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "De Jonge, Jan"]
[Black "Los, Arend"]
[Result "0-1"]
[ECO "C68"]
[PlyCount "70"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. c3 Qf6 8. Be3 Bxf3 9. Qxf3 Qxf3 10. gxf3 f6 11. Nd2 Ne7 12. Kh1 Ng6 13. Rg1 0-0 14. Nc4 Nh4 15. Nxd6 cxd6 16. Rg3 f5 17. Bh6 Ng6 18. exf5 Rxf5 19. Bg5 Raf8 20. Rag1 Rxf3 21. Be3 e4 22. Rg4 d5 23. R1g2 R8f7 24. Kg1 Ne7 25. R2g3 Rxg3+ 26. Rxg3 Nf5 27. Rh3 Nxe3 28. Rxe3 g5 29. Rg3 h6 30. Kf1 Rf4 31. Ke2 Kf7 32. Ke3 Kf6 33. Ke2 Kf5 34. h3 h5 35. Ke3 h4 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "Van Run, Jan"]
[Black "De Jonge, Jan"]
[Result "1/2-1/2"]
[ECO "A01"]
[PlyCount "47"]
[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 e5 2. Bb2 d6 3. e3 Nc6 4. Nf3 Nf6 5. d4 exd4 6. Nxd4 Ne5 7. Be2 Be7 8. Nf3 Ng6 9. Nc3 c6 10. Bd3 Qa5 11. Qd2 d5 12. Ne4 Qxd2+ 13. Nexd2 0-0 14. Ne5 Nxe5 15. Bxe5 Nd7 16. Bb2 Bf6 17. Bxf6 Nxf6 18. 0-0 Re8 19. h3 Nd7 20. Bf5 Nf6 21. Bd3 Nd7 22. Nf3 Ne5 23. Nxe5 Rxe5 24. Rad1 1/2-1/2

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Van Wijk, Rob"]
[Black "De Jonge, Jan"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "82"]
[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. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 Be7 7. Bc4 0-0 8. Be3 Nb6 9. Bb3 Bg4 10. 0-0 Bd7 11. Kh1 c5 12. Qd3 Qc7 13. Nd2 Bc6 14. a4 Rad8 15. a5 Nc8 16. Bg1 Qd7 17. Bd5 Rfe8 18. Rf3 Bf8 19. Rh3 g6 20. Bxc6 bxc6 21. f5 d5 22. fxg6 fxg6 23. Rf1 Qg7 24. exd5 cxd5 25. Qa6 Rd6 26. Qb5 Rdd8 27. Bxc5 Bxc5 28. Qxc5 Rf8 29. Rhf3 Ne7 30. Qxa7 Rd7 31. Qf2 Nf5 32. h3 Qh6 33. Nb3 Ng4 34. Qc5 Nge3 35. R1f2 Ng4 36. Re2 Qh4 37. Nd4 Ng3+ 38. Rxg3 Qxg3 39. Nf3 Nf6 40. Qe3 Re8 41. Qd4 Rf8 0-1

[Event "Utrecht OKU op-A"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "De Jonge, Jan"]
[Black "Chuchelov, Vladimir"]
[Result "0-1"]
[ECO "B20"]
[BlackElo "2518"]
[PlyCount "84"]
[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. e4 c5 2. b3 b6 3. Nf3 Bb7 4. Nc3 g6 5. Bb2 Bg7 6. d3 Nc6 7. Be2 Nh6 8. Qc1 0-0 9. 0-0 f5 10. Nb5 d6 11. Ng5 Qd7 12. Bxg7 Kxg7 13. Nc7 Nd4 14. Bd1 Qxc7 15. c3 Nf7 16. Nxf7 Rxf7 17. cxd4 fxe4 18. Qc3 exd3 19. d5+ Kg8 20. Qxd3 Rf4 21. Bf3 Raf8 22. Rad1 Qc8 23. Qe3 R8f7 24. Qe6 R4f6 25. Qe3 Qf5 26. h3 Qf4 27. Qxf4 Rxf4 28. Bg4 Kg7 29. Be6 Rf8 30. f3 a5 31. Rfe1 Rd8 32. Kf2 a4 33. Rd3 Kf8 34. Re4 g5 35. Rc3 axb3 36. axb3 Rxe4 37. fxe4 Kg7 38. Rf3 Rf8 39. Rxf8 Kxf8 40. Bd7 Kg7 41. Ke3 Kf6 42. Bf5 Bxd5 0-1

