[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "2"]
[White "Van de Groep, Sjaak"]
[Black "Blees, Albert"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1911"]
[BlackElo "2319"]
[PlyCount "65"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. g3 Bf5 4. Bg2 e6 5. 0-0 h6 6. b3 Bd6 7. Bb2 0-0 8. Nbd2 Nbd7 9. Re1 a5 10. c4 c6 11. Nh4 Bh7 12. e4 Bb4 13. exd5 cxd5 14. a3 Bxd2 15. Qxd2 a4 16. cxd5 exd5 17. b4 Nb6 18. Bf1 Rc8 19. Rac1 Qd7 20. Rxc8 Rxc8 21. Rc1 Nc4 22. Bxc4 dxc4 23. Bc3 g5 24. Nf3 Be4 25. Nxg5 Bd5 26. f3 Qf5 27. Ne4 Nxe4 28. fxe4 Qxe4 29. Rc2 Qh1+ 30. Kf2 Qg2+ 31. Ke1 Re8+ 32. Kd1 Qf1+ 33. Qe1 0-1

[Event "Spakenburg FishPartners op"]
[Site "Spakenburg"]
[Date "2023.07.08"]
[Round "6"]
[White "Van de Groep, Sjaak"]
[Black "De Graaf, Dick"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1911"]
[BlackElo "2071"]
[PlyCount "115"]
[EventDate "2023.07.08"]
[EventType "swiss (rapid)"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 Nc6 7. 0-0 e5 8. h3 exd4 9. Nxd4 Nxd4 10. Qxd4 Be6 11. Qd3 Nd7 12. f4 Nb6 13. b3 f5 14. Bb2 fxe4 15. Qxe4 Bf5 16. Qxb7 Rb8 17. Qf3 d5 18. Rad1 c6 19. Rd2 Qe7 20. Kh2 Rbe8 21. Nd1 Bxb2 22. Nxb2 Qa3 23. Nd3 Bxd3 24. Qxd3 Qc5 25. Re2 Re7 26. Rfe1 Ref7 27. Re8 Nd7 28. Rxf8+ Kxf8 29. Qe2 Nf6 30. c4 h5 31. cxd5 cxd5 32. Qe5 h4 33. g4 Qc7 34. Qxc7 Rxc7 35. g5 Nh5 36. Bxd5 Rc2+ 37. Kg1 Rxa2 38. Rf1 Ng3 39. Rf2 Ra1+ 40. Kg2 Rd1 41. Bc4 Nf5 42. Re2 Rd4 43. Kf3 a5 44. Re6 Rxc4 45. bxc4 Nd4+ 46. Ke4 Nxe6 47. Kd5 Kf7 48. c5 a4 49. c6 a3 50. Kc4 Nc7 51. Kb3 Ke6 52. Kxa3 Kd6 53. Kb3 Kxc6 54. Kc3 Kd6 55. Kd3 Ke6 56. Ke3 Kf5 57. Kf3 Nd5 58. Kf2 1/2-1/2

[Event "Amsterdam Science Park op-B 3rd"]
[Site "Amsterdam"]
[Date "2013.07.12"]
[Round "7"]
[White "Bravo, Fabio"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2013"]
[BlackElo "1919"]
[PlyCount "71"]
[EventDate "2013.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 Ng4 7. Bc1 Nc6 8. Nxc6 bxc6 9. Bc4 Qa5 10. Bb3 Bd7 11. h3 Nf6 12. 0-0 e6 13. Bd2 Qh5 14. Qe1 Be7 15. Qe3 0-0 16. Na4 Rab8 17. f4 d5 18. g4 d4 19. Qf3 Qb5 20. c4 dxc3 21. Nxc3 Qb6+ 22. Kh2 c5 23. g5 Ne8 24. Rae1 Nd6 25. Qh5 c4 26. Bd1 Qxb2 27. Rf2 Qb6 28. Be3 Qa5 29. Bd2 Qc5 30. Rg2 Bc6 31. Be3 Qa5 32. Bd4 Nb5 33. Nxb5 Qxe1 34. Qh6 f6 35. gxf6 Bxf6 36. Rxg7+ 1-0

[Event "Amsterdam Science Park op-B 3rd"]
[Site "Amsterdam"]
[Date "2013.07.11"]
[Round "6"]
[White "Van de Groep, Sjaak"]
[Black "Dijkhuis, Sven"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1919"]
[BlackElo "1953"]
[PlyCount "43"]
[EventDate "2013.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. Nc3 g6 5. d4 Bg7 6. Be3 cxd4 7. Nxd4 a6 8. Be2 Nge7 9. 0-0 0-0 10. Qd2 Qc7 11. f4 Rd8 12. Rac1 d5 13. cxd5 exd5 14. exd5 Nxd5 15. Nxd5 Rxd5 16. Bf3 Rd6 17. Qf2 Bd7 18. Nxc6 Bxc6 19. Bxc6 Rxc6 20. Rxc6 Qxc6 21. f5 Qf6 22. fxg6 1/2-1/2

[Event "Amsterdam Science Park op-B 3rd"]
[Site "Amsterdam"]
[Date "2013.07.08"]
[Round "3"]
[White "Hummel, Joop"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1957"]
[BlackElo "1919"]
[PlyCount "65"]
[EventDate "2013.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 g6 4. h4 h6 5. Bd3 d6 6. Nd2 Nc6 7. Ngf3 Bg7 8. Qe2 Ng4 9. 0-0-0 e5 10. dxe5 dxe5 11. Nc4 Qe7 12. Rhe1 0-0 13. Qd2 exf4 14. exf4 Qf6 15. Nfe5 Ngxe5 16. fxe5 Qxh4 17. Rh1 Qe7 18. f4 h5 19. g4 hxg4 20. Qh2 Be6 21. Ne3 Kf7 22. Bxf5 Rh8 23. Bxe6+ Qxe6 24. Qg2 Rxh1 25. Qxh1 Qxa2 26. Rd7+ Kg8 27. Qe4 Qe6 28. Rxc7 Nd8 29. Nd5 Nf7 30. Re7 Qc6 31. e6 Nh6 32. Qxg6 Nf5 33. Nf6+ 1-0

[Event "Vlissingen HZ op 16th"]
[Site "Vlissingen"]
[Date "2012.08.04"]
[Round "1"]
[White "Hopman, Pieter"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2310"]
[BlackElo "1849"]
[PlyCount "63"]
[EventDate "2012.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 149 Extra"]
[Source "ChessBase"]
[SourceDate "2012.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.08.24"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. c4 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Qe8 8. d5 a5 9. Rb1 Na6 10. a3 Bd7 11. b4 axb4 12. axb4 c6 13. Be3 h6 14. dxc6 bxc6 15. b5 cxb5 16. cxb5 Nc5 17. Nd4 Nfe4 18. Nxe4 fxe4 19. b6 Ba4 20. Qd2 Kh7 21. Nc2 Qc6 22. Nd4 Qb7 23. Rfc1 Bd7 24. Nb5 Qxb6 25. Bxc5 dxc5 26. Qxd7 c4 27. e3 Ra2 28. Nc3 Qxb1 29. Rxb1 Bxc3 30. Qxe7+ Kg8 31. Rb7 Rfxf2 32. Rb8+ 1-0

[Event "Vlissingen HZ op 13th"]
[Site "Vlissingen"]
[Date "2009.08.07"]
[Round "8"]
[White "Schaeken, Yordi"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2078"]
[BlackElo "1834"]
[PlyCount "91"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 g6 3. g3 Nf6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 c6 8. Re1 Qc7 9. e4 fxe4 10. Nxe4 Nxe4 11. Rxe4 Bf5 12. Rh4 Nd7 13. g4 Be6 14. Ng5 Bxc4 15. Nxh7 Rfe8 16. Qc2 Bf7 17. Be4 e5 18. Bxg6 exd4 19. Bxf7+ Kxf7 20. Qf5+ Kg8 21. Bh6 Re5 22. Qg6 Re7 23. Bxg7 Rxg7 24. Qe6+ Rf7 25. Ng5 Ne5 26. Nxf7 Qxf7 27. Rh6 Nf3+ 28. Kg2 Rf8 29. Qxf7+ Rxf7 30. Rxd6 c5 31. b3 b6 32. Rd1 Kg7 33. Rd5 Nh4+ 34. Kg3 Ng6 35. Rg5 Kh6 36. Rf5 Re7 37. h4 Kg7 38. h5 Nf8 39. g5 Re2 40. a4 Nd7 41. Kf3 Rb2 42. Rd3 Rb1 43. Rd5 Nf8 44. Rd6 Rh1 45. h6+ Kh7 46. Kg4 1-0

[Event "Vlissingen HZ op 13th"]
[Site "Vlissingen"]
[Date "2009.08.06"]
[Round "7"]
[White "Van de Groep, Sjaak"]
[Black "Hekhuis, Jeroen"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "1834"]
[BlackElo "2145"]
[PlyCount "56"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. cxd5 exd5 5. Nc3 Bb4 6. Bg5 0-0 7. e3 h6 8. Bxf6 Qxf6 9. Qb3 Bxc3+ 10. bxc3 Qb6 11. Bd3 Be6 12. 0-0 Nd7 13. Rab1 c5 14. Qa4 Qc7 15. e4 a6 16. Rfe1 b5 17. Qa3 c4 18. Bc2 Qf4 19. Qc1 Qc7 20. e5 f6 21. h3 fxe5 22. Nxe5 Rf6 23. Rb2 Raf8 24. Bb1 Nxe5 25. Rxe5 Qf7 26. Qe1 Bf5 27. Bxf5 Rxf5 28. Rbe2 Rxe5 1/2-1/2

[Event "Vlissingen HZ op 13th"]
[Site "Vlissingen"]
[Date "2009.08.01"]
[Round "1"]
[White "Van de Groep, Sjaak"]
[Black "Freeke, Matthieu"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "1834"]
[BlackElo "2264"]
[PlyCount "64"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. h3 d6 9. c3 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Nc6 14. Nf1 cxd4 15. Nxd4 Nxd4 16. Qxd4 Ne5 17. a4 Bxh3 18. f4 Nc6 19. Qc3 Bd7 20. Ne3 Bf6 21. Qd2 Bd4 22. g3 Bc5 23. Qh2 Nd4 24. Kg2 Bc6 25. Kh1 h6 26. Ng4 Nxc2 27. Nxh6+ gxh6 28. Qxh6 Bxe4+ 29. Kh2 Nxa1 30. f5 Bd4 31. Bg5 Bg7 32. Qh5 Bf3 0-1

[Event "Vlissingen HZ op 08th"]
[Site "Vlissingen"]
[Date "2004.08.14"]
[Round "9"]
[White "Stange, Sven"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "B86"]
[WhiteElo "2135"]
[PlyCount "131"]
[EventDate "2004.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. f5 Nxb3 10. axb3 Be7 11. Qf3 Bd7 12. 0-0 0-0 13. Kh1 e5 14. Nde2 Bc6 15. Rd1 Qc7 16. Ng3 b5 17. b4 Rfd8 18. Bg5 Qb7 19. Bxf6 Bxf6 20. Nd5 Be7 21. Nh5 Bf8 22. Qg4 Kh8 23. Ra3 f6 24. Rh3 Qf7 25. Qh4 h6 26. Rc3 Rac8 27. Ng3 Bb7 28. Ne2 Rc6 29. Rxc6 Bxc6 30. Qf2 Qb7 31. c3 Rc8 32. Nc1 Be7 33. Nb3 Bd8 34. g4 Kg8 35. Kg2 Qf7 36. Kf3 h5 37. h3 Bb7 38. Qh4 hxg4+ 39. hxg4 g5 40. Qh6 Qg7 41. Qxg7+ Kxg7 42. Nd2 Kf7 43. Ke3 Kg7 44. Kd3 Kf7 45. b3 Kg7 46. c4 Kf8 47. Nb1 bxc4+ 48. bxc4 Kf7 49. Nbc3 Kf8 50. Ra1 Kf7 51. b5 axb5 52. Nxb5 Be7 53. Ra7 Rb8 54. Nbc7 Bxd5 55. Nxd5 Re8 56. Rd7 Kf8 57. Kc3 Kf7 58. Kb4 Kf8 59. Kb5 Rb8+ 60. Kc6 Rc8+ 61. Rc7 Rxc7+ 62. Kxc7 Ke8 63. Nc3 Bd8+ 64. Kxd6 Ba5 65. Nd5 Kf7 66. Kd7 1-0

[Event "Vlissingen HZ op 08th"]
[Site "Vlissingen"]
[Date "2004.08.12"]
[Round "7"]
[White "Van Muenster, Kirsten"]
[Black "Van de Groep, Sjaak"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2121"]
[PlyCount "86"]
[EventDate "2004.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. Qc2 b6 7. b3 Bb7 8. Bb2 Nbd7 9. d3 a5 10. Nbd2 c5 11. e3 Qc7 12. Rac1 Rfc8 13. Qb1 Qb8 14. a4 Rd8 15. Qa1 Bf8 16. Rfd1 Qa7 17. d4 Rac8 18. dxc5 Bxc5 19. Ne5 Nxe5 20. Bxe5 Ne8 21. cxd5 Bxd5 22. Bxd5 Rxd5 23. Ne4 Rxd1+ 24. Rxd1 Be7 25. Qb1 f6 26. Bd4 e5 27. Bb2 Qc7 28. Qd3 Rd8 29. Qe2 Rxd1+ 30. Qxd1 Qc6 31. Qd3 Nc7 32. Nd2 Qd6 33. Qc2 Qc5 34. Nc4 Qc6 35. Qd1 g6 36. h4 Kg7 37. h5 Ne6 38. f4 exf4 39. gxf4 Bc5 40. Qg4 Qe4 41. h6+ Kf7 42. Qd1 Ke7 43. Kh2 g5 1/2-1/2

[Event "Vlissingen HZ op 08th"]
[Site "Vlissingen"]
[Date "2004.08.07"]
[Round "1"]
[White "Van Beek, Alexander"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2255"]
[PlyCount "72"]
[EventDate "2004.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qb3 dxc4 5. Qxc4 b5 6. Qd3 Nbd7 7. g3 Bb7 8. Bg2 a6 9. a4 e6 10. Bg5 Be7 11. Bxf6 Bxf6 12. Nc3 Qb6 13. a5 Qc7 14. b4 Rd8 15. Ne4 Be7 16. Qc3 0-0 17. Rc1 f5 18. Nc5 Nxc5 19. dxc5 Bf6 20. Qc2 Bc8 21. 0-0 Kh8 22. e4 fxe4 23. Qxe4 Rd5 24. h4 Bd7 25. Rcd1 Re8 26. Nd4 Qc8 27. Nc2 Re5 28. Qf4 Rd8 29. Ne3 Be8 30. Rxd8 Qxd8 31. Rd1 Qc8 32. Rd6 h6 33. Be4 Bd7 34. Ng4 Rxe4 35. Qxe4 e5 36. Nxf6 gxf6 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.27"]
[Round "7.20"]
[White "Schleipfenbauer, Frank"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1998"]
[BlackElo "1812"]
[PlyCount "82"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[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 a6 6. Be3 e5 7. Nb3 Qc7 8. Be2 Be6 9. 0-0 Be7 10. a4 Nbd7 11. a5 Rc8 12. Nd5 Nxd5 13. exd5 Bf5 14. c3 0-0 15. f4 exf4 16. Bxf4 Bg6 17. Be3 Ne5 18. Ra4 Qd7 19. Rb4 Bf6 20. Rxf6 gxf6 21. Bh6 Rfe8 22. h4 Kh8 23. Qf1 Qe7 24. Rxb7 Qd8 25. Rb4 Qe7 26. Bxa6 Rc7 27. Be2 Nd7 28. Bb5 Rg8 29. Bxd7 Rxd7 30. a6 Bh5 31. Re4 Qd8 32. Nd4 Rg6 33. Nc6 Qb6+ 34. Be3 Qxb2 35. Bd4 Kg7 36. a7 Qa2 37. Re7 Qxd5 38. Rxd7 Qxc6 39. Rxd6 Qa8 40. Bxf6+ Kh6 41. Bg5+ Kg7 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.27"]
[Round "6.24"]
[White "Van de Groep, Sjaak"]
[Black "Van Lingen, Guus"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1812"]
[BlackElo "1634"]
[PlyCount "42"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bg4 7. c4 Nf6 8. Qa4+ Qd7 9. Qb3 Bxf3 10. Qxb7 dxc4 11. Qxf3 c6 12. Bxc4 Qxd4 13. Qb3 Qd7 14. Bf4 Qe7+ 15. Kd1 Qd8+ 16. Nd2 Nd5 17. Re1+ Be7 18. Bxd5 cxd5 19. Qb7 Nd7 20. Bd6 Rb8 21. Qxa7 Ne5 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.26"]
[Round "3.17"]
[White "Muhren, Bianca"]
[Black "Van de Groep, Sjaak"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1990"]
[BlackElo "1812"]
[PlyCount "83"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[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 a6 6. Be3 e5 7. Nf3 Qc7 8. a4 Be6 9. Be2 Be7 10. 0-0 Nbd7 11. Nd2 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Nf3 Be6 15. Ng5 Bf5 16. Qd5 0-0 17. f4 Qxc2 18. Rf2 Qxb2 19. Raf1 Bxg5 20. fxg5 Be6 21. Qe4 Qb3 22. Bd3 g6 23. Bc2 Qc4 24. Rb1 b5 25. Qxc4 Bxc4 26. Rd2 Be6 27. axb5 axb5 28. Rxb5 Rfb8 29. Rxb8+ Rxb8 30. Ba4 Rb1+ 31. Kf2 Nb6 32. Bc5 Nd5 33. Bc6 Rc1 34. Bxd5 Rxc5 35. Bxe6 fxe6 36. Rd8+ Kf7 37. Rd7+ Kg8 38. Ke3 Rc2 39. Kf3 e4+ 40. Kg3 Rc3+ 41. Kf4 Rc2 42. g4 1/2-1/2

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.26"]
[Round "4.19"]
[White "Van de Groep, Sjaak"]
[Black "Van Eijndhoven, Erik"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "1812"]
[BlackElo "2061"]
[PlyCount "76"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 gxf6 7. Nf3 b6 8. Bd3 Bb7 9. c3 Nc6 10. Qe2 Qd7 11. 0-0-0 0-0-0 12. Rhe1 Qd5 13. Kb1 Qa5 14. Nfd2 f5 15. Ng3 Qd5 16. Nf3 Qd7 17. Bb5 Bf6 18. Nh5 Qe7 19. d5 Nb8 20. dxe6 Be4+ 21. Bd3 Rxd3 22. Rxd3 Rd8 23. Red1 Qxe6 24. Nf4 Rxd3 25. Nxd3 Qc4 26. Ka1 Nc6 27. Nf4 Qa4 28. Nh5 Na5 29. Nd2 Bc2 30. Re1 Bd8 31. Qe8 Qh4 32. Qxf7 Qxf2 33. Qe6+ Kb8 34. Qe2 Qc5 35. Nf4 Bf6 36. Ne6 Qxc3 37. Rb1 Qa3 38. Nc4 Nb3# 0-1

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.25"]
[Round "2.27"]
[White "Van de Groep, Sjaak"]
[Black "Van der Veen, Jelte"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "1812"]
[BlackElo "1498"]
[PlyCount "87"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Bc5 3. c3 Nc6 4. Bb5 Qf6 5. 0-0 a6 6. Ba4 b5 7. Bc2 d6 8. h3 Nge7 9. d3 h6 10. a4 b4 11. Qe2 0-0 12. Be3 Bxe3 13. Qxe3 Qg6 14. Kh1 f5 15. d4 f4 16. Qd3 a5 17. Bb3+ Kh8 18. Nbd2 Qh5 19. Nh2 exd4 20. cxd4 Qg5 21. Rac1 Qf6 22. Nhf3 g5 23. d5 Ne5 24. Nxe5 Qxe5 25. Rxc7 Ba6 26. Bc4 Bxc4 27. Nxc4 Qf6 28. Nb6 Rad8 29. Nd7 Rxd7 30. Rxd7 g4 31. hxg4 Qh4+ 32. Qh3 Ng6 33. Qxh4 Nxh4 34. Rxd6 Kg7 35. Rc1 f3 36. Rc7+ Kg8 37. g3 Ng2 38. Rxh6 Ne3 39. Rhh7 Rf6 40. g5 Rg6 41. Rhd7 Kh8 42. Rd8+ Rg8 43. Rxg8+ Kxg8 44. fxe3 1-0

[Event "Soest op"]
[Site "Soest"]
[Date "2001.05.25"]
[Round "1.11"]
[White "Van der Plas, Rob"]
[Black "Van de Groep, Sjaak"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2202"]
[BlackElo "1812"]
[PlyCount "77"]
[EventDate "2001.05.25"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 Be7 8. Qc2 Nf8 9. h3 Ng6 10. Bd3 0-0 11. 0-0-0 b5 12. Ne5 Qb6 13. f4 Re8 14. g4 Nf8 15. Nxc6 Qxc6 16. Bxb5 Qe6 17. f5 Qd6 18. Bxf6 Rd8 19. Bxe7 Qxe7 20. Bc6 Bb7 21. Bxb7 Qxb7 22. e4 dxe4 23. Qxe4 Qb6 24. Rhe1 Rab8 25. Rd2 a5 26. d5 Rdc8 27. Qd4 Qa6 28. Re7 Qf1+ 29. Rd1 Qxh3 30. d6 Rb4 31. d7 Nxd7 32. Qxd7 Rxc3+ 33. Kb1 h5 34. Re8+ Kh7 35. Qxf7 Qxg4 36. Qg8+ Kh6 37. Re6+ Kg5 38. Qxg7+ Kxf5 39. Qf6# 1-0

