[Event "Haarlem op"]
[Site "Haarlem"]
[Date "2007.06.30"]
[Round "3"]
[White "Siebelhoff, Herman"]
[Black "De Rover, Yong Hoon"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1955"]
[BlackElo "2182"]
[PlyCount "79"]
[EventDate "2007.06.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. d3 d5 5. Nbd2 Nc6 6. Be2 Be7 7. 0-0 0-0 8. Re1 b5 9. Qc2 Bb7 10. Nf1 Rc8 11. Bg5 Qc7 12. Rad1 Rfd8 13. Ng3 h6 14. exd5 Nxd5 15. Bxe7 Qxe7 16. d4 a6 17. Bf1 Nb6 18. dxc5 Qxc5 19. Qe4 Na4 20. Bd3 g6 21. Rd2 Qe7 22. Qg4 Rd5 23. Bxg6 Rxd2 24. Bc2+ Kh8 25. Nxd2 Qg5 26. Qe4 Qg7 27. Nh5 Nc5 28. Nxg7 Nxe4 29. Nxe4 Kxg7 30. Nd6 Rb8 31. Nxb7 Rxb7 32. Be4 Rc7 33. Bxc6 Rxc6 34. Rd1 a5 35. g3 h5 36. Rd4 Kg6 37. Kg2 Rc5 38. a4 e5 39. Rh4 f5 40. axb5 1/2-1/2

[Event "Haarlem op"]
[Site "Haarlem"]
[Date "2007.06.30"]
[Round "4"]
[White "Ter Schegget, Bram"]
[Black "Siebelhoff, Herman"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2139"]
[BlackElo "1955"]
[PlyCount "49"]
[EventDate "2007.06.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. f3 Nbd7 4. c4 g6 5. Nc3 Bg7 6. Be3 e5 7. d5 a5 8. Qd2 Nc5 9. Nge2 Bd7 10. 0-0-0 h6 11. Kb1 Rb8 12. Nc1 Ke7 13. Bxc5 dxc5 14. Nd3 b6 15. Nxe5 Nxe4 16. Nxg6+ fxg6 17. Nxe4 b5 18. d6+ cxd6 19. Qxd6+ Ke8 20. Qxc5 bxc4 21. Nd6+ Kf8 22. Nf5+ Kg8 23. Bxc4+ Kh7 24. Nxg7 Kxg7 25. Qd4+ 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "6"]
[White "Siebelhoff, Herman"]
[Black "De Freytas, Paul"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "1844"]
[BlackElo "1831"]
[PlyCount "76"]
[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 Nc6 3. Nc3 Nf6 4. h3 d5 5. exd5 Nxd5 6. Ne4 e6 7. d3 Be7 8. g4 h5 9. gxh5 Rxh5 10. Rg1 g6 11. Qe2 Qc7 12. c3 Nf4 13. Bxf4 Qxf4 14. Rg4 Qc7 15. Ng3 Rh8 16. Re4 f5 17. Rxe6 Bxe6 18. Qxe6 Qd6 19. Ng5 Qxe6+ 20. Nxe6 Kf7 21. Nf4 Bd6 22. Nfe2 Rad8 23. 0-0-0 Rhe8 24. Kc2 Be5 25. Bg2 Rd6 26. h4 Bxg3 27. Nxg3 Kf6 28. Bf1 Rh8 29. h5 gxh5 30. Bh3 Ne7 31. Re1 Re6 32. Rf1 h4 33. Bxf5 Nxf5 34. Ne4+ Ke7 35. Nxc5 Re2+ 36. Kb3 h3 37. Ne4 h2 38. Rh1 Nd6 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.21"]
[Round "5"]
[White "Siebelhoff, Herman"]
[Black "Van Elteren, Hugo"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "1844"]
[BlackElo "1729"]
[PlyCount "43"]
[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. d4 exd4 3. Qxd4 Nc6 4. Qe3 d6 5. Nc3 Nf6 6. Bd2 g6 7. 0-0-0 Bg7 8. f4 Qe7 9. Nf3 a6 10. h3 Be6 11. g4 h6 12. Kb1 0-0-0 13. Nd4 Nxd4 14. Qxd4 Bd7 15. Bg2 Bc6 16. Qb4 Rhe8 17. Rhe1 d5 18. Qxe7 Rxe7 19. exd5 Rxe1 20. Bxe1 Nxd5 21. Nxd5 Rd6 22. Ne7+ 1-0

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "4"]
[White "Boog, Stef A"]
[Black "Siebelhoff, Herman"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1703"]
[BlackElo "1844"]
[PlyCount "54"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Bh6 Nc4 13. Bxc4 Rxc4 14. g4 Nxe4 15. Nxe4 Rxd4 16. Qe3 Rxd1+ 17. Rxd1 Qb6 18. Nc3 Qxe3+ 19. Bxe3 Bxc3 20. bxc3 a6 21. h4 Rc8 22. Kb2 Rc4 23. h5 Bc6 24. hxg6 fxg6 25. Bh6 Kf7 26. Rh1 Rxg4 27. Bc1 Bxf3 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "2"]
[White "O'Mara, P."]
[Black "Siebelhoff, Herman"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "1630"]
[BlackElo "1844"]
[PlyCount "88"]
[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. d4 cxd4 4. Qxd4 a6 5. Bg5 Nc6 6. Qd2 Nf6 7. Nc3 e6 8. Bc4 b5 9. Bd3 Be7 10. 0-0 h6 11. Bh4 Bb7 12. Rfe1 g5 13. Bg3 g4 14. e5 gxf3 15. exf6 Bxf6 16. Nd5 Be5 17. gxf3 Nd4 18. Be4 exd5 19. Bxd5 Bxd5 20. Qxd4 Be6 21. Bxe5 dxe5 22. Qxe5 Qg5+ 23. Qg3 0-0-0 24. Qxg5 hxg5 25. a4 Kb7 26. axb5 axb5 27. Re5 Rd5 28. Rxd5 Bxd5 29. Re1 f6 30. Re7+ Kc6 31. Re3 Kd6 32. b3 Rc8 33. Re2 Bxf3 34. Rd2+ Ke5 35. h3 Rc3 36. Kh2 Be4 37. Rd8 Rxc2 38. Rb8 Rxf2+ 39. Kg1 Rb2 40. Rxb5+ Kf4 41. Rb6 f5 42. Rh6 Kf3 43. h4 Rb1+ 44. Kh2 Kf2 0-1

[Event "Utrecht OKU op-B"]
[Site "Utrecht"]
[Date "2000.05.20"]
[Round "3"]
[White "Siebelhoff, Herman"]
[Black "Bollaart, Jeroen"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1844"]
[BlackElo "1738"]
[PlyCount "90"]
[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 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. 0-0 Nf6 7. d3 0-0 8. h3 a6 9. a4 Rb8 10. Be3 Qc7 11. Qd2 Rd8 12. Bh6 Bh8 13. Nd5 Nxd5 14. exd5 Nd4 15. Rae1 Nxf3+ 16. Bxf3 Bxh3 17. Bg2 Bxg2 18. Kxg2 Qd7 19. Qf4 Re8 20. g4 e6 21. Rh1 exd5 22. Ref1 d4 23. f3 Re2+ 24. Kg1 Qe6 25. Qg3 Re8 26. Qh4 f6 27. Bc1 Re7 28. f4 Rxc2 29. f5 Qe2 30. Qg3 Qe5 31. Bf4 Qd5 32. Qh3 Qf7 33. Rf2 Re1+ 34. Rf1 Ree2 35. Rh2 Rxh2 36. Bxh2 Rxb2 37. Re1 Qd7 38. Re6 Bg7 39. Rxd6 Qxa4 40. Rd8+ Kf7 41. Kh1 Qd1+ 42. Bg1 Rb1 43. Qg3 Bf8 44. Rxf8+ Kxf8 45. Qb8+ Ke7 1/2-1/2

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.04"]
[Round "6"]
[White "Hacken, Jos Ten"]
[Black "Siebelhoff, Herman"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "51"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g6 5. e4 Bg7 6. Be3 Nf6 7. Be2 Nbd7 8. Qd2 c6 9. 0-0-0 Nc5 10. f3 0-0 11. g4 Qc7 12. h4 b5 13. h5 a5 14. Bh6 Bxh6 15. Qxh6 Bd7 16. g5 Nxh5 17. f4 f5 18. Bxh5 gxh5 19. g6 Be8 20. gxh7+ Kh8 21. Qxf8+ Kxh7 22. Nxf5 Rd8 23. Qh6+ Kg8 24. Rdg1+ Kf7 25. Rg7+ Kf8 26. Qh8# 1-0

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.03"]
[Round "4"]
[White "Marcelis, Ronald"]
[Black "Siebelhoff, Herman"]
[Result "0-1"]
[ECO "B72"]
[PlyCount "46"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Ng4 8. Bg5 h6 9. Bh4 Nc6 10. Nb3 Be6 11. f4 0-0 12. Nd5 Bxd5 13. exd5 Nb8 14. 0-0-0 Nd7 15. h3 Ngf6 16. Re1 Nb6 17. Bxf6 Bxf6 18. g4 Rc8 19. h4 Na4 20. c3 Nxc3 21. bxc3 Bxc3 22. Qc2 Bxe1 23. Bc4 b5 0-1

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.03"]
[Round "3"]
[White "Schimmel, Roy"]
[Black "Siebelhoff, Herman"]
[Result "1-0"]
[ECO "A80"]
[PlyCount "53"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 Bg7 6. Bd3 e6 7. Nd2 Nc6 8. c3 d6 9. h4 Qe7 10. Qc2 Bd7 11. 0-0-0 0-0-0 12. f3 Nd5 13. Bf2 gxh4 14. Rxh4 Bf6 15. Rh2 Bg5 16. f4 Bf6 17. Ngf3 Rdg8 18. Rg1 Qf8 19. g3 Bd8 20. Nh4 Nf6 21. Be2 a6 22. Rgg2 Ng4 23. Bg1 Ne7 24. Bf3 Nd5 25. c4 Ndxe3 26. Bxe3 Nxe3 27. Qb3 1-0

[Event "Haarlem AKN op 08th"]
[Site "Haarlem"]
[Date "1999.07.02"]
[Round "1"]
[White "Siebelhoff, Herman"]
[Black "Hendriks, Richard V"]
[Result "0-1"]
[ECO "C34"]
[BlackElo "2145"]
[PlyCount "24"]
[EventDate "1999.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 h5 4. Bc4 h4 5. 0-0 g5 6. d4 d6 7. g3 hxg3 8. hxg3 Bh3 9. Nxg5 Qxg5 10. Bxf4 Qh5 11. Be2 Bg4 12. Bxg4 Qh2# 0-1

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.16"]
[Round "7"]
[White "Siebelhoff, Herman"]
[Black "Muhren, Willem"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1200"]
[BlackElo "1981"]
[PlyCount "81"]
[EventDate "1999.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 Bd7 9. Qd2 Rc8 10. Bb3 Ne5 11. 0-0-0 0-0 12. h4 h5 13. Bh6 Bh8 14. Bxf8 Qxf8 15. Nd5 Nc4 16. Bxc4 Rxc4 17. Nxf6+ Bxf6 18. Qe3 b5 19. Kb1 b4 20. Rd3 Qc8 21. Rc1 Bxh4 22. c3 bxc3 23. Rdxc3 Rxc3 24. Rxc3 Qa6 25. Qd3 Qxd3+ 26. Rxd3 Bf6 27. Kc2 Kf8 28. Kb3 Ke8 29. Kc4 a6 30. Rb3 e5 31. Rb8+ Ke7 32. Nc2 Bb5+ 33. Rxb5 axb5+ 34. Kxb5 Kd7 35. Kb6 Kc8 36. b4 Be7 37. b5 Kb8 38. a4 f5 39. Kc6 f4 40. Nb4 g5 41. b6 1-0

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.16"]
[Round "6"]
[White "Wu, Sai Wah"]
[Black "Siebelhoff, Herman"]
[Result "0-1"]
[ECO "B73"]
[WhiteElo "1379"]
[BlackElo "1200"]
[PlyCount "98"]
[EventDate "1999.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0 Nxd4 10. Bxd4 Be6 11. f4 Qa5 12. Be3 Rfc8 13. Rfd1 Bc4 14. Bf3 Rc7 15. Qf2 Nd7 16. Bd4 Rac8 17. Bxg7 Kxg7 18. Bg4 Be6 19. f5 Bc4 20. fxg6 hxg6 21. Kh1 Be6 22. Bxe6 fxe6 23. Qh4 Nf6 24. Re1 Qe5 25. Rf1 Rh8 26. Qf4 Qxf4 27. Rxf4 e5 28. Rf3 Rc4 29. Raf1 Re8 30. Re1 a6 31. Re2 b5 32. b3 Rd4 33. Rd3 Rxd3 34. cxd3 Rc8 35. Nd1 Rc1 36. Re1 Ng4 37. Rg1 Rxd1 38. Rxd1 Nf2+ 39. Kg1 Nxd1 40. Kf1 b4 41. Ke1 Nc3 42. Kd2 Nxa2 43. h4 Kf6 44. Ke3 Nc1 45. d4 Nxb3 46. dxe5+ dxe5 47. Kd3 Nc5+ 48. Kc4 b3 49. g4 b2 0-1

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.15"]
[Round "5"]
[White "Siebelhoff, Herman"]
[Black "Van Rooijen, Rene"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1200"]
[BlackElo "1763"]
[PlyCount "93"]
[EventDate "1999.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d5 3. exd5 Nxd5 4. g3 g6 5. Bg2 Bg7 6. Nf3 c6 7. 0-0 0-0 8. c3 Bg4 9. h3 Bd7 10. d4 Na6 11. Re1 Re8 12. Na3 Qc8 13. Kh2 Nf6 14. Nc4 Be6 15. Nce5 Nd7 16. Ng5 Nxe5 17. dxe5 Nc7 18. Nxe6 Qxe6 19. f4 Red8 20. Qe2 Qd7 21. Be3 Nd5 22. Bf2 e6 23. Rad1 Qc7 24. c4 Nb6 25. b3 Rxd1 26. Rxd1 Rd8 27. Bc5 Nc8 28. b4 b6 29. Bf2 Rxd1 30. Qxd1 Bf8 31. Qf3 Ne7 32. Qd3 Nc8 33. Qe4 Bxb4 34. Qxc6 Qxc6 35. Bxc6 Ne7 36. Be4 Kf8 37. g4 Ke8 38. Kg3 Kd7 39. h4 Kc7 40. h5 a6 41. Kh4 Ng8 42. hxg6 hxg6 43. Be3 Be7+ 44. Kg3 Bb4 45. Kf3 Ne7 46. Ke2 Nc6 47. Kd3 1/2-1/2

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.14"]
[Round "2"]
[White "Kudinov, Dmitry"]
[Black "Siebelhoff, Herman"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "1947"]
[BlackElo "1200"]
[PlyCount "57"]
[EventDate "1999.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. e3 Ngxe5 8. Nxe5 Nxe5 9. Be2 0-0 10. 0-0 Bxd2 11. Qxd2 d6 12. Bg3 f5 13. Rae1 Be6 14. b3 Rad8 15. f4 Nd7 16. Bf3 b6 17. e4 Qf6 18. exf5 Bxf5 19. Re3 Rde8 20. Rfe1 Bg6 21. Bc6 Qd8 22. Qf2 Rxe3 23. Rxe3 Re8 24. Bh4 Qc8 25. Be7 Kh8 26. f5 Bf7 27. f6 g6 28. Qh4 Rg8 29. Qxh7+ 1-0

[Event "VCN SchaakFestival"]
[Site "Soest"]
[Date "1999.05.14"]
[Round "1"]
[White "Siebelhoff, Herman"]
[Black "Loeber, Roderick"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1200"]
[BlackElo "1902"]
[PlyCount "80"]
[EventDate "1999.05.14"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. 0-0 0-0 7. a4 c6 8. h3 Qc7 9. dxe5 dxe5 10. Be3 Nc5 11. Nd2 Ne6 12. Nb3 Bd7 13. Qf3 Rad8 14. Rfd1 b6 15. Ne2 Bc8 16. Ng3 Rfe8 17. a5 c5 18. Bb5 Rxd1+ 19. Rxd1 Rd8 20. axb6 axb6 21. c3 Bb7 22. Rxd8+ Qxd8 23. Nd2 Nc7 24. Bf1 Nce8 25. Qd1 Nxe4 26. Ngxe4 Bxe4 27. Qa4 Bd5 28. Bb5 Nc7 29. Bc6 h6 30. Nc4 Bxc6 31. Qxc6 Nd5 32. Nxe5 Nxe3 33. fxe3 Qd1+ 34. Kf2 Bh4+ 35. g3 Qc2+ 36. Kf3 Qf5+ 37. Kg2 Bg5 38. Qe8+ Kh7 39. Nxf7 Qd5+ 40. Kf2 Qf5+ 1/2-1/2

[Event "Groningen ABM op"]
[Site "Groningen"]
[Date "1999.??.??"]
[Round "?"]
[White "Etmans, Maarten D"]
[Black "Siebelhoff, Herman"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2111"]
[PlyCount "63"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. c3 Nf6 7. d4 Nxe4 8. d5 Ne5 9. Nxe5 dxe5 10. Re1 Nd6 11. Rxe5 g6 12. Re1 Bg7 13. Bg5 Nf5 14. Qf3 h6 15. Bf4 Rd8 16. g4 Nh4 17. Qe2 g5 18. Bg3 Ng6 19. c4 0-0 20. Nc3 Rfe8 21. Qf3 Bxc3 22. bxc3 b6 23. a4 e6 24. a5 exd5 25. Rxe8+ Rxe8 26. axb6 axb6 27. cxd5 Ne5 28. Bxe5 Rxe5 29. c4 b5 30. cxb5 Rxd5 31. b6 Qb7 32. Ra7 1-0

[Event "WECF corr"]
[Site "corr"]
[Date "1999.??.??"]
[Round "?"]
[White "Knudsen, Niels M"]
[Black "Siebelhoff, Herman"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "53"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 f5 4. exf5 e4 5. Ng5 Bxf5 6. f3 d5 7. fxe4 dxe4 8. Bc4 Nh6 9. Ne6 Qh4+ 10. g3 Qe7 11. Bg5 Qb4+ 12. Nd2 Bxe6 13. Bxe6 Qxb2 14. Bxh6 gxh6 15. Qh5+ Kd8 16. Qd5+ Bd6 17. Rb1 Qxc2 18. Qxb7 Ke7 19. Bb3 Qc6 20. Bd5 Qxb7 21. Bxb7 Nd7 22. Bxa8 Rxa8 23. Nxe4 c5 24. Nxd6 Kxd6 25. dxc5+ Nxc5 26. 0-0 Re8 27. Rf7 1-0

