[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2004.06.05"]
[Round "?"]
[White "Keijzer, Leo"]
[Black "Verlinde, Erik"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "58"]
[EventDate "2004.06.04"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. Be2 Be7 10. 0-0 Rc8 11. Qe1 Ba4 12. Bd1 Bxd1 13. Qxd1 Qc6 14. Ne1 h5 15. f4 h4 16. Qg4 g6 17. Nc2 Nh6 18. Qh3 Nf5 19. Ne3 Nxe3 20. Qxe3 Qb6 21. Qh3 Kd7 22. Nf3 Bxa3 23. Ng5 Rcf8 24. Be3 Be7 25. Bf2 Nc6 26. Kh1 Qb3 27. Rfd1 Qc2 28. Bxh4 Bxg5 29. fxg5 Qe4 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.06.09"]
[Round "2"]
[White "Jans, Wouter"]
[Black "Keijzer, Leo"]
[Result "1-0"]
[ECO "B87"]
[PlyCount "55"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Bc4 e6 5. d4 cxd4 6. Nxd4 a6 7. Be3 b5 8. Bb3 Bb7 9. f3 Nc6 10. Qd2 Rc8 11. 0-0-0 Na5 12. Kb1 Nxb3 13. axb3 Be7 14. g4 d5 15. e5 Nd7 16. f4 Bb4 17. f5 Nc5 18. fxe6 fxe6 19. Qg2 0-0 20. Na2 Qc7 21. Nxb4 Qxe5 22. Rhe1 Qd6 23. Nd3 Nxd3 24. Rxd3 e5 25. Nf5 Qc7 26. Qd2 d4 27. Bxd4 exd4 28. Re7 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.06.08"]
[Round "1"]
[White "Keijzer, Leo"]
[Black "Auwens, Michiel"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "89"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d6 3. d4 g6 4. Nf3 Bg7 5. Be2 c6 6. 0-0 0-0 7. Bf4 Nbd7 8. Qd2 b5 9. a3 Nh5 10. Bg5 Nb6 11. Rad1 Be6 12. Bh6 Bc4 13. Bxg7 Kxg7 14. e5 Bxe2 15. Nxe2 Nc4 16. Qc3 Kg8 17. Nd2 Nxd2 18. Rxd2 Qc7 19. exd6 Qxd6 20. Qe3 Rad8 21. Rfd1 Nf6 22. Qe5 a5 23. c3 Rd7 24. Nc1 Qxe5 25. dxe5 Rfd8 26. Rxd7 Rxd7 27. Rxd7 Nxd7 28. Nd3 c5 29. f4 c4 30. Nf2 Nc5 31. g3 Na4 32. Nd1 f6 33. exf6 exf6 34. Kf2 Kf7 35. Ke3 Ke6 36. Kd4 Kd6 37. g4 Nc5 38. h4 Nd3 39. Ke4 Ke6 40. h5 f5+ 41. Kf3 fxg4+ 42. Kxg4 gxh5+ 43. Kxh5 Kf5 44. Kh6 Kxf4 45. Kxh7 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "6"]
[White "Keijzer, Leo"]
[Black "Van Ginkel, Ben"]
[Result "1/2-1/2"]
[ECO "B85"]
[PlyCount "86"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be2 Be7 6. 0-0 d6 7. Nc3 Nf6 8. Kh1 a6 9. f4 0-0 10. Be3 Qc7 11. Qe1 b5 12. Nxc6 Qxc6 13. Bf3 e5 14. fxe5 dxe5 15. Nd5 Bd8 16. c3 Be6 17. Rd1 Kh8 18. Qg3 Bxd5 19. exd5 Qd6 20. Rfe1 Rc8 21. Bd4 Nd7 22. Bxe5 Nxe5 23. Qxe5 Bc7 24. Qxd6 Bxd6 25. Re4 g6 26. a4 Rb8 27. axb5 Rxb5 28. Ra4 a5 29. c4 Rxb2 30. Rxa5 Rc2 31. Ra6 Bb4 32. Rc6 Rd8 33. Kg1 f5 34. g3 Re8 35. d6 Rd8 36. d7 Rc3 37. Rc8 Ba5 38. Bd5 Kg7 39. Re1 Rxd7 40. Rd1 Re7 41. Kg2 Re2+ 42. Kh3 Rcc2 43. Rh1 g5 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "3"]
[White "Keijzer, Leo"]
[Black "Van Renswoude, Jeffrey"]
[Result "1-0"]
[ECO "C48"]
[PlyCount "83"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nf6 5. d3 d6 6. Nc3 Be6 7. Bg5 0-0 8. Bxc6 bxc6 9. d4 exd4 10. Nxd4 h6 11. Nxc6 Qd7 12. Bxf6 Qxc6 13. Nd5 Bxd5 14. exd5 Qa4 15. b3 Qf4 16. Bb2 a5 17. c4 a4 18. Qc2 axb3 19. axb3 Bd4 20. Rxa8 Rxa8 21. Bxd4 Qxd4 22. h3 Qc5 23. Re1 c6 24. dxc6 Qxc6 25. Qd3 Rd8 26. b4 d5 27. c5 Qa4 28. b5 Qb4 29. Rc1 Rc8 30. c6 d4 31. Kf1 Qd6 32. Kg1 Qf4 33. Rd1 Qe5 34. Qc4 Kf8 35. b6 Qa5 36. b7 Re8 37. c7 Re1+ 38. Rxe1 Qxe1+ 39. Qf1 Qxf1+ 40. Kxf1 g6 41. c8Q+ Kg7 42. b8Q 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2001.??.??"]
[Round "4"]
[White "Meuwissen, Rene"]
[Black "Keijzer, Leo"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "48"]
[EventDate "2001.05.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 0-0 8. 0-0 d5 9. e5 Nf5 10. Bd2 Bd7 11. Rc1 Rb8 12. Qe1 a6 13. Qf2 Qe7 14. g4 Nfd4 15. Nxd4 cxd4 16. Ne2 f6 17. Nxd4 fxe5 18. Nxc6 bxc6 19. Qa7 exf4 20. Rxf4 Rxf4 21. Qxb8+ Rf8 22. Qg3 Bxb2 23. Rb1 Qc5+ 24. Qe3 Bd4 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Keijzer, Leo"]
[Black "Sylbing, Garth"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1616"]
[BlackElo "1633"]
[PlyCount "57"]
[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 Nc6 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. Bb5 a6 6. Bxc6+ bxc6 7. 0-0 e6 8. Qe2 Be7 9. b3 d5 10. Bb2 0-0 11. exd5 cxd5 12. Nd1 Ne4 13. Ne3 Bxf3 14. gxf3 Ng5 15. Kg2 f5 16. Rg1 Bd6 17. Nf1 Qf6 18. Re1 Qh6 19. Kh1 f4 20. Nd2 Rf6 21. c4 c6 22. Rg4 Bb4 23. Reg1 Bxd2 24. Rxg5 Bb4 25. Qe5 Ba5 26. Rh5 Rf5 27. Rxh6 Rxe5 28. dxe5 Kf7 29. Rxh7 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "Verboom, Linda"]
[Black "Keijzer, Leo"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1593"]
[BlackElo "1616"]
[PlyCount "49"]
[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. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Be2 b5 7. a3 Bb7 8. Bf3 e5 9. Nf5 Qc7 10. Bg5 Nbd7 11. 0-0 h6 12. Bxf6 Nxf6 13. Ne3 Rc8 14. Rc1 Be7 15. Ned5 Nxd5 16. Nxd5 Bxd5 17. Qxd5 Qc6 18. Qxc6+ Rxc6 19. c3 0-0 20. Rfd1 Rfc8 21. Be2 Rc5 22. Rc2 Kf8 23. g3 Rb8 24. h4 Rb6 25. Rcd2 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Keijzer, Leo"]
[Black "Cardenas, Miguel Angel"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1616"]
[BlackElo "1667"]
[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. c4 e5 3. Nc3 Nf6 4. Nge2 Nc6 5. d4 Be7 6. d5 Nb8 7. Ng3 0-0 8. Be2 Bd7 9. Be3 Qc8 10. f3 Na6 11. 0-0 h5 12. Rb1 h4 13. Nh1 Nh7 14. b4 f5 15. exf5 Bxf5 16. Ne4 Bxe4 17. fxe4 Rxf1+ 18. Qxf1 Qd7 19. Bf3 Rf8 20. Qe2 Qa4 21. Qd2 b6 22. Nf2 Qe8 23. Bg4 Qg6 24. Be6+ Kh8 25. Ng4 Qxe4 26. Rc1 Qg6 27. h3 Ng5 28. Bd7 Ne4 29. Qe1 Nb8 30. Ba4 Ng3 31. Bc2 Qf7 32. Bf2 Qf4 33. Bxg3 hxg3 34. Bb1 Bg5 35. Rc2 Nd7 36. Qe2 Nf6 37. Nxf6 Rxf6 38. Qh5+ Bh6 39. Qe2 Qd4+ 40. Kh1 Rf2 41. Qe1 Qe4 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "Keijzer, Leo"]
[Black "De Santos, A."]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1616"]
[BlackElo "1260"]
[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. e4 e5 2. Nf3 d6 3. d4 Nd7 4. Bc4 Be7 5. Nc3 h6 6. 0-0 Ngf6 7. Qe2 0-0 8. h3 exd4 9. Nxd4 Ne5 10. Bb3 Bd7 11. Bf4 Re8 12. Rad1 Nh7 13. Bxe5 dxe5 14. Nf5 Qc8 15. Rxd7 Qxd7 16. Qg4 Qxf5 17. Qxf5 Bf6 18. Rd1 Rad8 19. Rxd8 Rxd8 20. Nd5 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "Van de Schootbrugge, Gabriel"]
[Black "Keijzer, Leo"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "1785"]
[BlackElo "1616"]
[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. Nc3 e6 3. e4 Bb4 4. e5 Ne4 5. Qg4 Nxc3 6. Qxg7 Rf8 7. a3 Be7 8. bxc3 d5 9. Bd3 c5 10. Nf3 Nc6 11. 0-0 c4 12. Be2 Kd7 13. Bg5 Kc7 14. a4 Bd7 15. Bxe7 Qxe7 16. Qh6 Rh8 17. a5 Rag8 18. Rfb1 a6 19. Qc1 Na7 20. Qe3 Kb8 21. Rb4 h5 22. Nd2 Qg5 23. Qxg5 Rxg5 24. f4 Rg7 25. Bf3 Nb5 26. Kf2 Bc6 27. Ke3 Ka7 28. Nb1 h4 29. h3 Rhg8 30. Kf2 Rg3 31. Nd2 R3g7 1/2-1/2

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.19"]
[Round "1"]
[White "Van der Vecht, Ernst"]
[Black "Keijzer, Leo"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1808"]
[BlackElo "1616"]
[PlyCount "67"]
[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. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. c4 e6 5. 0-0 Nc6 6. d3 Be7 7. Bf4 0-0 8. Nc3 a6 9. cxd5 exd5 10. Rc1 b5 11. e4 dxe4 12. dxe4 Qxd1 13. Rfxd1 Bg4 14. h3 Bxf3 15. Bxf3 Nd4 16. Bg2 Rad8 17. Kf1 Ne6 18. Be3 h6 19. e5 Rxd1+ 20. Rxd1 Ne8 21. Rd7 Bd8 22. Bxc5 Nxc5 23. Rxd8 Nc7 24. Rd2 b4 25. Nd5 Nxd5 26. Bxd5 g5 27. f4 Kg7 28. Rc2 Nd3 29. Ke2 Rd8 30. Be4 gxf4 31. Bxd3 fxg3 32. Ke3 Re8 33. Kf4 a5 34. Rg2 1-0

