[Event "NED-chT 0708"]
[Site "Netherlands"]
[Date "2007.10.06"]
[Round "2.10"]
[White "Janssen, Ruud"]
[Black "Groeneweg, Bart"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2513"]
[PlyCount "49"]
[EventDate "2007.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]
[WhiteTeam "Hilversum HSG"]
[BlackTeam "Leiden LSG II"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 c5 7. d5 Nbd7 8. Nf3 a6 9. a4 Qb6 10. Qc2 e6 11. Be2 Re8 12. 0-0 Nxe4 13. a5 Qb4 14. Nxe4 exd5 15. Nxd6 Re6 16. Nxc8 Rxc8 17. cxd5 Ree8 18. Bc4 b5 19. axb6 Nxb6 20. Bxa6 Ra8 21. Bb7 Rxa1 22. Rxa1 Rb8 23. Bc6 c4 24. Bf4 Rc8 25. Be5 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.27"]
[Round "7"]
[White "Van Vliet, Harry"]
[Black "Groeneweg, Bart"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "1761"]
[BlackElo "1929"]
[PlyCount "84"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Bg2 Bb7 7. 0-0 0-0 8. Nc3 Ne4 9. Qc2 Nxc3 10. Qxc3 f5 11. Rd1 Bf6 12. Qb3 Be4 13. Ne5 Bxg2 14. Kxg2 d6 15. Nd3 g5 16. Be3 Qe7 17. c5 Nc6 18. Qa4 Qe8 19. cxd6 cxd6 20. d5 exd5 21. Nb4 Qe4+ 22. f3 Qxb4 23. Qxc6 Qxb2 24. Qxd5+ Kh8 25. Kf2 Rae8 26. Rab1 Qe5 27. Qxe5 dxe5 28. Rd7 Re7 29. Rxe7 Bxe7 30. Rb5 f4 31. gxf4 gxf4 32. Bc1 Bc5+ 33. e3 Rc8 34. Ke2 Bd6 35. Bb2 Rc2+ 36. Kd3 Rxh2 37. exf4 Rxb2 38. Rxb2 exf4 39. Ke4 Kg7 40. Rd2 Bc5 41. Rd7+ Kg6 42. Rxa7 Be3 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.20"]
[Round "6"]
[White "Bakker, Joop"]
[Black "Groeneweg, Bart"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1850"]
[BlackElo "1929"]
[PlyCount "139"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 e6 7. Qd2 Nd4 8. Nd1 e5 9. c3 Nc6 10. Ne2 Nf6 11. Bh6 Bxh6 12. Qxh6 Ng4 13. Qd2 h5 14. h3 Nf6 15. Ne3 b5 16. f4 Rb8 17. d4 cxd4 18. cxd4 Qa5 19. Qxa5 Nxa5 20. 0-0 exd4 21. Nxd4 0-0 22. Nd5 Nxd5 23. exd5 Nc4 24. Nc6 Rb7 25. b3 Ne3 26. Rfc1 Bf5 27. Nd4 Bd7 28. Rc3 Nxg2 29. Kxg2 Re8 30. Rac1 Re4 31. Rd1 a5 32. Kf3 Re8 33. Nc6 Bxh3 34. Rd2 b4 35. Rc4 Bg4+ 36. Kf2 Rb5 37. Na7 Rb7 38. Nc6 Rb5 39. Na7 Rb7 40. Nc6 Ra8 41. Nd4 Bd7 42. Rdc2 a4 43. Rc7 Rxc7 44. Rxc7 axb3 45. axb3 Ra2+ 46. Ke3 Bg4 47. Rc2 Rxc2 48. Nxc2 Bd1 49. Nd4 f6 50. Kd2 Bg4 51. Nc6 g5 52. fxg5 fxg5 53. Nxb4 h4 54. gxh4 gxh4 55. Ke3 Kf7 56. Nd3 Kf6 57. Kf4 Bd7 58. b4 Kg6 59. Nf2 h3 60. Ne4 h2 61. Ng3 Bh3 62. Kf3 Kf6 63. b5 Ke7 64. Nh1 Bf5 65. Kf4 Bd3 66. b6 Kd7 67. Nf2 Kc8 68. Kg3 Bc4 69. Kxh2 Bxd5 70. Kg3 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.06.06"]
[Round "4"]
[White "Vreugdenhil, Frans"]
[Black "Groeneweg, Bart"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "2054"]
[BlackElo "1929"]
[PlyCount "98"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. 0-0-0 Qc7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Qd8 16. Nxe6 g6 17. Qxg5 fxe6 18. Qxd8+ Kxd8 19. fxe6 Bxe6 20. Rxd6+ Ke7 21. Rb6 Rhb8 22. Rxb8 Rxb8 23. Be2 Rf8 24. a3 Rf2 25. Kc1 Bh3 26. Kd1 Ng4 27. Nd5+ Kd6 28. Nb4 Rg2 29. Nd3 g5 30. Ke1 Ne3 31. e5+ Ke6 32. Nc5+ Kxe5 33. c3 Bc8 34. h4 g4 35. h5 g3 36. Rh4 Rg1+ 37. Kd2 g2 38. Kxe3 Re1 39. Nd3+ Kd6 40. Rd4+ Kc7 41. Nxe1 g1Q+ 42. Kd2 Bf5 43. a4 Qg5+ 44. Kd1 Bd7 45. axb5 Bxb5 46. Bg4 a5 47. Nf3 Qe3 48. Nd2 a4 49. Kc2 Qf2 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.30"]
[Round "3"]
[White "Volders, Wessel"]
[Black "Groeneweg, Bart"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1899"]
[BlackElo "1929"]
[PlyCount "108"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 b5 8. Bc2 Bg4 9. h3 Bh5 10. d3 h6 11. g4 Bg6 12. a4 e5 13. axb5 axb5 14. Rxa8 Qxa8 15. Na3 Qb7 16. d4 Be7 17. d5 Na7 18. Nh4 0-0 19. Nxg6 fxg6 20. Bd3 Nh7 21. Qb3 Bh4 22. Rf1 Qf7 23. Qc2 Qf3 24. Qe2 Qxh3 25. f3 c4 26. Bc2 h5 27. Qg2 hxg4 28. Qxg4 Qxg4+ 29. fxg4 Rxf1+ 30. Kxf1 Bg5 31. Bxg5 Nxg5 32. Ke2 Kf7 33. Ke3 Nh3 34. b3 cxb3 35. Bxb3 Nf4 36. c4 bxc4 37. Nxc4 Ke7 38. Ba4 Nc8 39. Bc6 Na7 40. Ba4 Ng2+ 41. Kf2 Nf4 42. Ke3 Nh3 43. Na5 Ng5 44. Nc6+ Nxc6 45. Bxc6 Kf6 46. Ba4 Nh7 47. Bd1 Kg5 48. Kd3 Nf6 49. Bf3 Kf4 50. Bh1 Nxg4 51. Kc4 Nf2 52. Kb5 Nxh1 53. Kc6 Nf2 54. Kxd6 Nxe4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.23"]
[Round "2"]
[White "Groeneweg, Bart"]
[Black "Compagnie, Luc G"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1929"]
[BlackElo "2096"]
[PlyCount "100"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. 0-0 fxe5 8. Nxe5 Nxe5 9. dxe5 g6 10. f4 Ne7 11. a4 Bg7 12. Be3 b6 13. g4 0-0 14. a5 Qc7 15. axb6 axb6 16. Rxa8 Rxa8 17. h4 Rf8 18. Na3 Qd8 19. Qe1 Bc6 20. Qg3 Qe8 21. Bd3 Kh8 22. Rf2 Qd8 23. Qh2 d4 24. cxd4 Nd5 25. Bc1 Nb4 26. Bxg6 Qxd4 27. Bd2 hxg6 28. h5 gxh5 29. Qxh5+ Kg8 30. Bc3 Qe3 31. Nc4 Qg3+ 32. Kf1 Nd3 33. Rh2 Rxf4+ 34. Ke2 Rf2+ 35. Rxf2 Qxf2+ 36. Kxd3 Qf1+ 37. Kd2 Qxc4 38. Qg6 Qe4 39. Qg5 Qd5+ 40. Kc1 b5 41. Ba5 Qxe5 42. Qd8+ Kh7 43. Qh4+ Kg8 44. Qd8+ Bf8 45. Qh4 Be4 46. g5 b4 47. Bd8 Bg6 48. Bf6 Qe3+ 49. Kd1 Qd3+ 50. Ke1 Qe4+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2006.05.16"]
[Round "1"]
[White "Groeneweg, Bart"]
[Black "De Waard, Ad"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1929"]
[BlackElo "1391"]
[PlyCount "43"]
[EventDate "2006.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Qd2 c6 6. Bd3 Nbd7 7. f4 b5 8. Nf3 Bb7 9. e5 dxe5 10. fxe5 Nd5 11. Nxd5 cxd5 12. Bxb5 0-0 13. h4 f6 14. Bxd7 Qxd7 15. Bh6 Rac8 16. Bxg7 Kxg7 17. h5 Qf5 18. c3 Qe4+ 19. Kf2 Rh8 20. exf6+ exf6 21. Rae1 Qg4 22. Re7+ 1-0

[Event "Leiden Noteboom Memorial 66th"]
[Site "Leiden"]
[Date "2006.02.25"]
[Round "2"]
[White "Groeneweg, Bart"]
[Black "Van Delft, Merijn"]
[Result "0-1"]
[ECO "B42"]
[BlackElo "2385"]
[PlyCount "62"]
[EventDate "2006.02.24"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Be7 7. Nc3 d6 8. Be3 Nd7 9. Qe2 Ngf6 10. 0-0-0 b5 11. f3 Bb7 12. g4 Ne5 13. g5 Nfd7 14. f4 Nxd3+ 15. Qxd3 Qc7 16. Rhe1 0-0 17. h4 b4 18. Ne2 a5 19. e5 Nc5 20. Bxc5 dxc5 21. Qh3 a4 22. Na1 Rad8 23. h5 Rxd1+ 24. Rxd1 Rd8 25. Rxd8+ Qxd8 26. g6 Qd5 27. Ng3 Qxa2 28. gxh7+ Kxh7 29. h6 g6 30. Nh5 Qxa1+ 31. Kd2 Qxb2 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.07.02"]
[Round "7"]
[White "Plug, Arjan JH"]
[Black "Groeneweg, Bart"]
[Result "1/2-1/2"]
[ECO "B25"]
[WhiteElo "1843"]
[BlackElo "1941"]
[PlyCount "91"]
[EventDate "2002.05.21"]
[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. Nc3 d6 3. g3 e6 4. Bg2 Nc6 5. d3 g6 6. f4 Bg7 7. Nf3 Nge7 8. 0-0 b6 9. Be3 Bb7 10. Qd2 Qd7 11. a3 h6 12. d4 cxd4 13. Nxd4 Na5 14. f5 Bxd4 15. Qxd4 e5 16. Qd3 gxf5 17. Nd5 Bxd5 18. exd5 Rc8 19. b3 Nb7 20. a4 Nc5 21. Bxc5 Rxc5 22. c4 a5 23. Bh3 h5 24. Bxf5 Nxf5 25. Qxf5 Rc7 26. Qf6 Rg8 27. Rae1 Qe7 28. Re4 Qxf6 29. Rxf6 Rd7 30. Rh6 f5 31. Rh4 f4 32. R4xh5 fxg3 33. hxg3 Rxg3+ 34. Kf2 Rg8 35. Rh8 Rf7+ 36. Ke3 Rxh8 37. Rxh8+ Kd7 38. Ra8 Rf6 39. Rh8 Rf7 40. Ra8 Rf4 41. Rh8 Rg4 42. Kf3 Rg1 43. Rh7+ Kc8 44. Rh6 Kc7 45. Rh7+ Kc8 46. Rh6 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.25"]
[Round "6"]
[White "Groeneweg, Bart"]
[Black "Verbaken, Onno"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1941"]
[BlackElo "1982"]
[PlyCount "20"]
[EventDate "2002.05.21"]
[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 d5 2. exd5 Qxd5 3. d4 e5 4. Qe2 Nc6 5. dxe5 Nd4 6. c4 Qa5+ 7. Bd2 Qb6 8. Qd1 Qxb2 9. Bc3 Bb4 10. Qa4+ Bd7 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.18"]
[Round "5"]
[White "Groeneweg, Bart"]
[Black "Stork, Ornett J"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1941"]
[BlackElo "2101"]
[PlyCount "78"]
[EventDate "2002.05.21"]
[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 Nc6 2. d4 d6 3. d5 Ne5 4. f4 Nd7 5. Bb5 a6 6. Bxd7+ Bxd7 7. Nf3 c6 8. c4 b5 9. cxb5 axb5 10. b4 Nf6 11. Qd4 c5 12. bxc5 Ra4 13. Qd3 Rxe4+ 14. Kf1 dxc5 15. Bb2 Rxf4 16. Nc3 c4 17. Qd2 Rf5 18. a3 g6 19. Re1 Bg7 20. d6 e6 21. h3 Qb6 22. Ke2 0-0 23. Rhf1 Nd5 24. g4 Nxc3+ 25. Bxc3 Rd5 26. Qb2 Bxc3 27. Qxc3 Qxd6 28. Rd1 Bc6 29. Rxd5 Qxd5 30. Ne5 Qe4+ 31. Kd1 Qg2 32. Ke1 h6 33. Rf2 Qh1+ 34. Rf1 Qe4+ 35. Kd1 Rd8+ 36. Kc1 Be8 37. g5 hxg5 38. Ng4 Qd3 39. Nh6+ Kh7 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2002.06.11"]
[Round "4"]
[White "Van Dorp, Teun"]
[Black "Groeneweg, Bart"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1765"]
[BlackElo "1941"]
[PlyCount "80"]
[EventDate "2002.05.21"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 b5 7. a3 Bb7 8. Bd3 e6 9. 0-0 Be7 10. Re1 0-0 11. Bg5 Nbd7 12. Qc1 Rc8 13. Qe3 Ne5 14. Nd1 d5 15. Bxf6 Bxf6 16. Nf3 d4 17. Qe2 Nxf3+ 18. Qxf3 Be5 19. Qh5 Qc7 20. g3 g6 21. Qe2 Bg7 22. e5 Qc6 23. f3 Qxf3 24. Qxf3 Bxf3 25. a4 Bxd1 26. Raxd1 Rc5 27. axb5 axb5 28. Ra1 b4 29. Ra7 Bxe5 30. Kg2 Rb8 31. Rf1 Rc7 32. Ra6 b3 33. Re1 bxc2 34. Rc1 Rxb2 35. Ra5 Bf6 36. Kf3 Rc3 37. Ke4 Rbb3 38. Bf1 Re3+ 39. Kf4 Rf3+ 40. Kg4 h5+ 0-1

[Event "Dieren op-B"]
[Site "Dieren"]
[Date "2001.??.??"]
[Round "?"]
[White "Groeneweg, Bart"]
[Black "Pruijssers, Roeland"]
[Result "0-1"]
[ECO "B04"]
[PlyCount "65"]
[EventDate "2001.07.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. h3 Bg7 7. exd6 cxd6 8. Nc3 Nc6 9. Be3 0-0 10. Be2 Bf5 11. Qd2 d5 12. c5 Nc4 13. Bxc4 dxc4 14. Bh6 Nxd4 15. 0-0-0 Nxf3 16. Qe3 Bxh6 17. Qxh6 Nd4 18. h4 e5 19. h5 Qa5 20. Rxd4 exd4 21. Nd5 Qd8 22. Nf4 g5 23. g4 Be4 24. Re1 Re8 25. f3 gxf4 26. Qxf4 Bg6 27. Re4 Bxe4 28. fxe4 Qh4 29. b3 c3 30. Kc2 Rad8 31. Kd3 Qe7 32. Kc4 d3 33. g5 0-1

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Bardelmeijer, Niels"]
[Black "Groeneweg, Bart"]
[Result "1/2-1/2"]
[ECO "B26"]
[PlyCount "105"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 e6 7. Qd2 b6 8. Nge2 Bb7 9. 0-0 Qd7 10. f4 Nge7 11. Rad1 0-0-0 12. d4 Na5 13. b3 Ba6 14. Rfe1 Nac6 15. a3 d5 16. e5 Nf5 17. Bf2 cxd4 18. Nxd4 Ncxd4 19. Bxd4 Bf8 20. b4 Bc4 21. Bf1 Qc7 22. Nb5 Qd7 23. Nc3 Qc6 24. Bxc4 Qxc4 25. Qd3 Nxd4 26. Qxd4 Qxd4+ 27. Rxd4 a5 28. Red1 Kb7 29. Ne2 Rc8 30. c3 Be7 31. Kf1 axb4 32. axb4 Ra8 33. R4d2 Ra3 34. Rb2 Rc8 35. Rdd2 g5 36. Rd4 Ra1+ 37. Kg2 Rca8 38. Rdd2 gxf4 39. gxf4 Rg8+ 40. Kf3 Rf1+ 41. Ke3 Bh4 42. Nd4 Rg4 43. Nf3 Be1 44. Nxe1 Rxe1+ 45. Re2 Rgg1 46. Kd3 Ref1 47. Rf2 Rd1+ 48. Rbd2 Kc6 49. f5 Rde1 50. fxe6 fxe6 51. Rde2 Rxe2 52. Rxe2 Kb5 53. Re3 1/2-1/2

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "6"]
[White "Berkvens, Joost"]
[Black "Groeneweg, Bart"]
[Result "1-0"]
[ECO "B55"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb5 a6 7. N5c3 Be6 8. Nd5 b5 9. a4 bxa4 10. c4 Nxd5 11. cxd5 Bd7 12. Be3 Bb5 13. Nc3 Bxf1 14. Qxa4+ Qd7 15. Rxf1 Be7 16. Qxd7+ Nxd7 17. Nb5 0-0 18. Na7 Bf6 19. Rxa6 Nc5 20. Bxc5 dxc5 21. Ke2 Rfb8 22. Ra2 Rb7 23. Rfa1 Rab8 24. Nc6 Rxb2+ 25. Kd3 Rxa2 26. Rxa2 Rc8 27. Kc4 Kf8 28. Ra7 Ke8 29. Kxc5 Bg5 30. Kd6 Bf6 31. Rb7 h5 32. Rb8 Be7+ 33. Kxe5 Bf6+ 34. Kf5 Rxb8 35. Nxb8 Bc3 36. Nc6 g6+ 37. Kf4 Kd7 38. Ne5+ Ke7 39. Nc4 f6 40. g4 g5+ 41. Ke3 hxg4 42. fxg4 Kd7 43. e5 fxe5 44. Ke4 Bb4 45. Nxe5+ Ke8 46. Kf5 Bd6 47. Nf3 Bf4 48. Ke6 Kf8 49. d6 Ke8 50. d7+ Kd8 51. Nd4 Kc7 52. Nc6 1-0

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "1"]
[White "Groeneweg, Bart"]
[Black "Kalisvaart, Peter"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "41"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 g6 6. Be3 Bg7 7. h3 0-0 8. Nf3 c6 9. Qd2 N8d7 10. 0-0-0 Qc7 11. Bh6 e5 12. Bxg7 Kxg7 13. h4 h5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. Re1 Qc7 17. Qd4+ f6 18. Bd3 Rd8 19. Qc5 Qf4+ 20. Kb1 Rxd3 21. Qe7+ 1-0

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "Groeneweg, Bart"]
[Black "Pos, Michiel"]
[Result "1/2-1/2"]
[ECO "B87"]
[PlyCount "43"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. f4 Bb7 10. Be3 Nc6 11. f5 e5 12. Nxc6 Bxc6 13. Nd5 Bxd5 14. Bxd5 Nxd5 15. Qxd5 0-0 16. Rad1 Rc8 17. c3 Rc4 18. Rf3 Qa8 19. Rg3 Qxd5 20. Rxd5 Kh8 21. Bg5 f6 22. Bd2 1/2-1/2

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "3"]
[White "Groeneweg, Bart"]
[Black "Van Run, Jan"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "77"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Bb4 8. a3 Be7 9. Nc3 c6 10. h3 Bh5 11. Be3 Nbd7 12. Ne5 Bxe2 13. Qxe2 Nxe5 14. dxe5 Nd7 15. Rad1 Qc7 16. f4 Bc5 17. Bxc5 Nxc5 18. b4 Nd7 19. Ne4 0-0-0 20. Nd6+ Kb8 21. Nxf7 Rhf8 22. Nxd8 Rxd8 23. Rd6 Rf8 24. Qe3 Nb6 25. Qd4 Re8 26. Rd1 Qf7 27. a4 Nc8 28. Rd7 Re7 29. Rd8 Re8 30. Qd6+ Qc7 31. Rxe8 a6 32. Qxe6 Ka7 33. c5 Nb6 34. Rdd8 h6 35. Qg8 Qxd8 36. Rxd8 g5 37. a5 Nc8 38. Rxc8 b6 39. Qg7# 1-0

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "Groeneweg, Bart"]
[Black "Velema, Sander"]
[Result "1/2-1/2"]
[ECO "C45"]
[PlyCount "40"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Bb3 Qg6 9. f3 Qxg2 10. Rf1 Qxh2 11. Qd2 Qxd2+ 12. Nxd2 a6 13. 0-0-0 d6 14. Rg1 Rg8 15. Rg3 g6 16. Bg5 Bd7 17. f4 N5c6 18. N2f3 Na5 19. Bc2 Nc4 20. Re1 Bc6 1/2-1/2

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "5"]
[White "Groeneweg, Bart"]
[Black "Verwiel, Eugene"]
[Result "1/2-1/2"]
[ECO "B34"]
[PlyCount "65"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Qd2 a6 8. 0-0-0 Bd7 9. f3 Nxd4 10. Bxd4 Bh6 11. Be3 Bg7 12. Nd5 Kf8 13. Nb6 Rb8 14. Kb1 Be6 15. Be2 Nf6 16. Bc4 Bxc4 17. Nxc4 b5 18. Na5 Qc7 19. Nb3 Nd7 20. f4 Nb6 21. Bd4 Rc8 22. Rhe1 Nc4 23. Qf2 a5 24. Bxg7+ Kxg7 25. Nd4 Qc5 26. f5 a4 27. Rf1 Rhf8 28. f6+ exf6 29. Qxf6+ Kg8 30. Nf5 gxf5 31. Qg5+ Kh8 32. Qf6+ Kg8 33. Qg5+ 1/2-1/2

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "4"]
[White "Kleywegt, Martin"]
[Black "Groeneweg, Bart"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "60"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 Be7 8. Qd2 b5 9. 0-0-0 0-0 10. g4 Bb7 11. h4 Nc6 12. h5 Nd7 13. Nce2 Nde5 14. Nxc6 Bxc6 15. Nd4 Rc8 16. Qg2 Bd7 17. f4 Nc4 18. Bxc4 bxc4 19. c3 Qa5 20. Kb1 Rb8 21. Ne2 Rb7 22. g5 Rfb8 23. Bc1 Ba4 24. Rd2 Bb3 25. a3 d5 26. Ka1 Bxa3 27. bxa3 Bd1 28. Rhxd1 Rb1+ 29. Ka2 Qb5 30. Nd4 Ra1+ 0-1

[Event "NED-ch U14"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "8"]
[White "Van Rossum, Marloes"]
[Black "Groeneweg, Bart"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "58"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Re1 0-0 9. Qd3 b5 10. Bf3 Nfd7 11. Be3 Ne5 12. Qd1 Nxf3+ 13. Qxf3 Bb7 14. Qg4 Kh8 15. Rad1 Nd7 16. Bd2 Ne5 17. Qg3 Nc4 18. Bc1 Bf6 19. b3 Ne5 20. Nf3 Rc8 21. Nd4 Qc7 22. Nb1 Ng6 23. c3 Rfd8 24. Bb2 Be5 25. Qd3 d5 26. exd5 Bxd5 27. Qe2 Bxh2+ 28. Kf1 Bxg2+ 29. Kxg2 Nf4+ 0-1

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "9"]
[White "Berendsen, Richard"]
[Black "Groeneweg, Bart"]
[Result "1-0"]
[ECO "B81"]
[PlyCount "49"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 a6 7. g5 Nfd7 8. Be3 Be7 9. h4 Nc6 10. Qe2 0-0 11. 0-0-0 Qc7 12. Bh3 b5 13. Nxc6 Qxc6 14. Bd4 Re8 15. g6 hxg6 16. h5 Bg5+ 17. Kb1 b4 18. hxg6 f6 19. Qh5 bxc3 20. Bxe6+ Kf8 21. Qh8+ Ke7 22. Qxg7+ Kd8 23. Rh8 Ne5 24. Rxe8+ Kxe8 25. Rh1 1-0

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "6"]
[White "Den Uijl, Simon"]
[Black "Groeneweg, Bart"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "114"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b3 e6 4. Nc3 Nc6 5. Bc4 a6 6. d4 cxd4 7. Nxd4 g6 8. Bb2 Bg7 9. Nxc6 bxc6 10. 0-0 Ne7 11. Na4 Bxb2 12. Nxb2 0-0 13. h4 d5 14. Bd3 Qc7 15. h5 dxe4 16. Bxe4 Qe5 17. Qf3 Qxb2 18. c3 Qd2 19. Qf6 Nd5 20. Bxd5 cxd5 21. f4 Qe3+ 22. Kh2 Qe2 23. Rf3 Re8 24. hxg6 fxg6 25. Rh3 Bb7 26. Qh4 Qh5 27. Qf2 Qf5 28. Qb6 Qxf4+ 29. Kh1 Rab8 30. Qg1 Rf8 31. Qe1 Rbe8 32. Rf3 Qe4 33. Re3 Qg4 34. Rg3 Qh4+ 35. Kg1 Qe7 36. Qe3 Rc8 37. Rg5 Qc5 38. Re5 Qxe3+ 39. Rxe3 Rc6 40. Rae1 Re8 41. Kf2 Bc8 42. Rh1 e5 43. Rd1 Rf6+ 44. Kg3 Bb7 45. c4 Rd6 46. c5 Rdd8 47. b4 d4 48. Rb3 e4 49. Kf2 e3+ 50. Ke2 Bxg2 51. a4 Be4 52. Ra3 Bc2 53. Rad3 Bxd1+ 54. Kxd1 e2+ 55. Ke1 Re3 56. Rd2 d3 57. b5 Rf3 0-1

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "8"]
[White "Groeneweg, Bart"]
[Black "De Vreugt, Dennis"]
[Result "1/2-1/2"]
[ECO "B33"]
[PlyCount "135"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Qf3 Bd7 14. Bd3 0-0 15. Bf5 Bxf5 16. Qxf5 Ne7 17. Nf6+ Bxf6 18. Qxf6 Nd5 19. Qf3 Nc7 20. Nc2 f5 21. 0-0-0 Qg5+ 22. Kb1 Rad8 23. h4 Qg4 24. Qc6 Qc4 25. Rxd6 Nd5 26. Qxc4 bxc4 27. Rxa6 Rb8 28. Kc1 Nf4 29. Nb4 e4 30. g3 Nd3+ 31. Nxd3 exd3 32. Rc6 Rfe8 33. Rxc4 d2+ 34. Kxd2 Rxb2+ 35. Kd3 Rxa2 36. Rf4 Rd8+ 37. Kc4 Rad2 38. Rxf5 Rc8+ 39. Rc5 Re8 40. Rf1 Re4+ 41. Kb3 Rd6 42. c4 Rd3+ 43. Kc2 Red4 44. Rd5 Rd2+ 45. Kc1 Rxd5 46. cxd5 Rxd5 47. Rd1 Rf5 48. Rd2 Kg7 49. Kd1 Re5 50. Re2 Rd5+ 51. Ke1 Ra5 52. Kf1 Kg6 53. Kg2 Ra4 54. Rb2 Rc4 55. f3 Ra4 56. Kh3 Ra3 57. Rb6+ Kg7 58. Kg4 Ra4+ 59. f4 Ra3 60. h5 h6 61. Rb7+ Kg8 62. Kh4 Ra4 63. Rb2 Kg7 64. Rf2 Ra1 65. g4 Rg1 66. g5 Rh1+ 67. Kg4 Rg1+ 68. Kf5 1/2-1/2

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "7"]
[White "Groeneweg, Bart"]
[Black "Houben, Jaap"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "33"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Nc6 7. Bc4 Ng4 8. Qf3 Nce5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. Qe2 Nxe3 12. fxe3 Bg7 13. 0-0-0 0-0 14. Rdg1 a6 15. g4 h6 16. h4 e6 17. h5 1/2-1/2

[Event "Hengelo op"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "12"]
[White "Groeneweg, Bart"]
[Black "Kalisvaart, Peter"]
[Result "1-0"]
[ECO "C10"]
[PlyCount "45"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[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. Nd2 dxe4 4. Nxe4 Be7 5. Nf3 Nf6 6. Bd3 Nxe4 7. Bxe4 c5 8. 0-0 Nd7 9. c3 Nf6 10. Bc2 0-0 11. Qd3 h6 12. Ne5 Qc7 13. Ng4 Ne4 14. Qxe4 f5 15. Bf4 fxe4 16. Bxc7 cxd4 17. Bxe4 Bd8 18. Bxd8 Rxd8 19. Rad1 e5 20. Nxe5 Re8 21. Bd5+ Kh7 22. Rfe1 dxc3 23. bxc3 1-0

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "11"]
[White "Groeneweg, Bart"]
[Black "Pauptit, Alwin"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "48"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[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. h4 h5 13. Bg5 Nc4 14. Bxc4 Rxc4 15. Nde2 Qa5 16. Bxf6 Bxf6 17. Kb1 Ba4 18. g4 Rfc8 19. Ka1 Rxc3 20. Nxc3 Rxc3 21. gxh5 Qc5 22. hxg6 Rxc2 23. Qh6 Bxb2+ 24. Kb1 Bg7 0-1

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "5"]
[White "Groeneweg, Bart"]
[Black "Willemse, T."]
[Result "1-0"]
[ECO "B78"]
[PlyCount "53"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[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. h4 Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. Nb3 Qc7 17. Bh6 Rc8 18. Kb1 a5 19. Bxg7 Kxg7 20. Nd5 Nxd5 21. Qh6+ Kf6 22. Qh4+ Kg7 23. Qxh7+ Kf6 24. g5+ Ke5 25. exd5 Bf5 26. Qh2+ Rf4 27. Rhe1+ 1-0

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "10"]
[White "Hommerson, Paul"]
[Black "Groeneweg, Bart"]
[Result "0-1"]
[ECO "E32"]
[PlyCount "62"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. e3 0-0 6. Be2 Bb7 7. Bf3 d5 8. a3 Bd6 9. Nge2 c5 10. dxc5 bxc5 11. 0-0 Nbd7 12. Rb1 Ne5 13. Rd1 Nxf3+ 14. gxf3 Qb8 15. Ng3 d4 16. exd4 Bxf3 17. Rd3 Bg4 18. dxc5 Bxg3 19. Rxg3 Bf5 20. Qd2 Bxb1 21. Rxg7+ Kh8 22. Nxb1 Rd8 23. Qh6 Qb7 24. Nc3 Rg8 25. Rxg8+ Rxg8+ 26. Kf1 Ng4 27. Qh4 Qh1+ 28. Ke2 Qxc1 29. Kd3 Ne5+ 30. Ke2 Qc2+ 31. Ke3 Qd3+ 0-1

[Event "Hengelo op"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "13"]
[White "Jongsma, Daan"]
[Black "Groeneweg, Bart"]
[Result "1/2-1/2"]
[ECO "B83"]
[PlyCount "62"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[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 e6 6. f3 Be7 7. Be3 0-0 8. Be2 Nc6 9. 0-0 a6 10. Kh1 Qc7 11. Qd2 b5 12. a3 Bb7 13. Rfd1 Rfd8 14. Qe1 Rac8 15. Qf2 Qb8 16. Nb3 Nd7 17. Rd2 Nce5 18. Rad1 Nc4 19. Bxc4 bxc4 20. Nc1 Bc6 21. b4 cxb3 22. cxb3 Ba8 23. N3e2 d5 24. Nf4 Bxa3 25. Nce2 Nc5 26. exd5 Qxb3 27. dxe6 Qxd1+ 28. Rxd1 Rxd1+ 29. Ng1 Nxe6 30. Nxe6 fxe6 31. Qa2 Bd5 1/2-1/2

[Event "Hengelo op-D"]
[Site "Hengelo"]
[Date "1992.??.??"]
[Round "3"]
[White "Klarenbeek, Mark"]
[Black "Groeneweg, Bart"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2365"]
[PlyCount "60"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 Nf6 4. b3 e6 5. Bb2 Be7 6. d3 Nc6 7. Be2 0-0 8. 0-0 a6 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 e5 12. Qd3 Be6 13. Nd5 Nxd5 14. exd5 Bd7 15. c4 f5 16. Rac1 Bg5 17. Rc2 f4 18. Qc3 Bf5 19. Bd3 Bxd3 20. Qxd3 f3 21. g3 Qd7 22. Rc3 Qh3 23. Qxf3 Rxf3 24. Rxf3 e4 25. Rc3 Rf8 26. f4 exf3 27. Rcxf3 Be3+ 28. Kh1 Qxf1+ 29. Rxf1 Rxf1+ 30. Kg2 Rf2+ 0-1

