[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.14"]
[Round "3"]
[White "Groffen, Hans"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2182"]
[BlackElo "2038"]
[PlyCount "77"]
[EventDate "2015.02.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 164 Extra"]
[Source "ChessBase"]
[SourceDate "2015.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2015.03.02"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 d5 5. Nf3 c6 6. 0-0 Bd6 7. Bf4 0-0 8. Nbd2 Ne4 9. e3 Qe7 10. Qc2 Nd7 11. c5 Bb8 12. Bxb8 Rxb8 13. b4 e5 14. dxe5 Nxe5 15. Nxe5 Qxe5 16. Nf3 Qe7 17. Nd4 Bd7 18. a3 a6 19. Rae1 Qf6 20. Qd3 b6 21. cxb6 Rxb6 22. f3 c5 23. Nxf5 Nc3 24. bxc5 Bxf5 25. e4 Rb5 26. exf5 Rxc5 27. g4 Qb6 28. Kh1 Qb5 29. Qxb5 axb5 30. Re7 Rf7 31. Re8+ Rf8 32. Re3 Ra8 33. Rfe1 d4 34. Rd3 Rc4 35. f4 Rxa3 36. Bd5+ Nxd5 37. Rxa3 Nxf4 38. Ra7 h6 39. h4 1-0

[Event "Maastricht Limburg op-A 7th"]
[Site "Maastricht"]
[Date "2013.05.20"]
[Round "6"]
[White "Coenen, Eduard"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2061"]
[BlackElo "2045"]
[PlyCount "107"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c3 Bg7 4. Bg5 Ne4 5. Bf4 d5 6. Nbd2 c5 7. e3 cxd4 8. exd4 Qb6 9. Nxe4 dxe4 10. Nd2 0-0 11. Qb3 Qxb3 12. axb3 Be6 13. Nxe4 Bxb3 14. Nc5 Bd5 15. 0-0-0 b6 16. Nd3 Nc6 17. f3 Rfc8 18. Ne5 Nxe5 19. dxe5 Bb3 20. Rd4 Rd8 21. Kd2 Rac8 22. Bd3 a5 23. h4 e6 24. h5 Bf8 25. hxg6 fxg6 26. Bg5 Rxd4 27. cxd4 Bb4+ 28. Ke3 Bf8 29. Bf6 Bg7 30. Be7 Bd5 31. g4 Bb3 32. f4 Bd5 33. Rh2 Bb3 34. f5 gxf5 35. gxf5 exf5 36. Bxf5 Rc1 37. Bxh7+ Kf7 38. Bd8 Rc6 39. Be4 Bh6+ 40. Kf3 Bd1+ 41. Kg3 Rc8 42. Bd5+ Kg6 43. Bxb6 Be3 44. Bc5 a4 45. Be4+ Kg7 46. Rh1 Bb3 47. Kf3 Bh6 48. Rg1+ Kf7 49. Rh1 Kg7 50. Be7 Bc1 51. Bf6+ Kf7 52. Rh7+ Kf8 53. Rh8+ Bg8 54. Bd5 1-0

[Event "Maastricht Limburg op-A 7th"]
[Site "Maastricht"]
[Date "2013.05.20"]
[Round "7"]
[White "Groot, Simon"]
[Black "Daamen, Ferry"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2045"]
[BlackElo "2044"]
[PlyCount "28"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 d5 8. Bg2 dxe4 9. Nd2 Bxd4 10. cxd4 0-0 11. Nxe4 Qg6 12. 0-0 Nd5 13. Nc3 Bg4 14. Qb3 Nb6 1/2-1/2

[Event "Maastricht Limburg op-A 7th"]
[Site "Maastricht"]
[Date "2013.05.19"]
[Round "5"]
[White "Groot, Simon"]
[Black "Rietveld, Leo"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2045"]
[BlackElo "2034"]
[PlyCount "48"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 b5 5. Bb3 Bg4 6. f3 Bc8 7. Ne2 c6 8. dxc6 Nxc6 9. d4 e6 10. 0-0 Be7 11. Nbc3 Qb6 12. Kh1 0-0 13. Ne4 a5 14. c3 Ba6 15. Bc2 b4 16. Bd3 Rfd8 17. Bxa6 Qxa6 18. Qe1 e5 19. Be3 bxc3 20. bxc3 Rab8 21. N2g3 exd4 22. Bxd4 Nxd4 23. cxd4 Rb2 24. Nf5 Qe6 1/2-1/2

[Event "Maastricht Limburg op-A 7th"]
[Site "Maastricht"]
[Date "2013.05.19"]
[Round "4"]
[White "Thinius, Marco"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2375"]
[BlackElo "2045"]
[PlyCount "57"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a3 a5 9. d3 Be6 10. Be3 Qd7 11. Rc1 0-0 12. Na4 Nxa4 13. Qxa4 Bd5 14. Nxe5 Nxe5 15. Qxd7 Nxd7 16. Bxd5 c6 17. Bg2 Bf6 18. Rc2 a4 19. Rb1 Ra5 20. f4 Re8 21. Bf2 Bd8 22. Bh3 f5 23. e4 g6 24. b4 Rb5 25. e5 Rd5 26. Bf1 Nb6 27. d4 Be7 28. b5 cxb5 29. Bxb5 1-0

[Event "Maastricht Limburg op-A 7th"]
[Site "Maastricht"]
[Date "2013.05.18"]
[Round "2"]
[White "Cebula, Jerzy"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2001"]
[BlackElo "2045"]
[PlyCount "90"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[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. g4 Be6 10. 0-0-0 Nxd4 11. Bxd4 Qa5 12. Kb1 Rfc8 13. a3 Rab8 14. h4 b5 15. Nd5 Qxd2 16. Rxd2 Nxd5 17. Bxg7 Kxg7 18. exd5 Bd7 19. g5 b4 20. axb4 Rxb4 21. h5 Bf5 22. hxg6 Rcb8 23. Re2 Rxb2+ 24. Kc1 Bxg6 25. Kd1 Ra2 26. Rd2 Rb1+ 27. Ke2 Rbb2 28. Rh4 Rxc2 29. Rxc2 Rxc2+ 30. Ke3 Rc3+ 31. Kf2 Rc5 32. Bc4 Bc2 33. Rd4 a5 34. Ke3 a4 35. f4 h6 36. gxh6+ Kxh6 37. Ba2 Kg7 38. Rb4 Kf6 39. Kd4 Kf5 40. Rb7 Kf6 41. Rb6 Bd1 42. Rb7 Rc2 43. Bc4 Be2 44. Bxe2 Rxe2 45. Ra7 Kf5 0-1

[Event "Maastricht Limburg op-A 7th"]
[Site "Maastricht"]
[Date "2013.05.17"]
[Round "1"]
[White "Groot, Simon"]
[Black "Hansch, Karsten"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2045"]
[BlackElo "2157"]
[PlyCount "32"]
[EventDate "2013.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. f3 Bd7 8. Bf4 e5 9. dxe5 Nxe5 10. Bxe5 Qxe5 11. 0-0 Bd6 12. Ng3 Qe3+ 13. Kh1 Ne7 14. Qd2 Qb6 15. Qc2 Rc8 16. Nd2 Bxg3 0-1

[Event "Leiden Noteboom Memorial-A 72nd"]
[Site "Leiden"]
[Date "2012.02.18"]
[Round "2"]
[White "Smeets, Jan"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "2607"]
[BlackElo "2013"]
[PlyCount "55"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. b3 c5 8. Nc3 cxd4 9. Nxd4 a5 10. h3 Nc5 11. Bb2 Bd7 12. Rb1 Qc8 13. Kh2 Bc6 14. f3 Rd8 15. e4 Ra6 16. Qd2 e6 17. Rbc1 Be8 18. Rfd1 h5 19. h4 Kh7 20. Rc2 Nfd7 21. Qe2 Ne5 22. Ndb5 f5 23. Rcd2 Nf7 24. exf5 gxf5 25. f4 Bf8 26. Bf3 e5 27. Bxh5 Bg7 28. Bxf7 1-0

[Event "Leiden Noteboom Memorial-A 72nd"]
[Site "Leiden"]
[Date "2012.02.17"]
[Round "1"]
[White "Groot, Simon"]
[Black "Majhi, Ankit"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2013"]
[BlackElo "1812"]
[PlyCount "129"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. g3 0-0 8. Bg2 d6 9. Nc2 Ne5 10. f4 Nc4 11. Bxc5 dxc5 12. b3 Nb6 13. 0-0 Be6 14. Ne3 Rad8 15. Qc2 c4 16. Na3 Rd3 17. e5 Qg6 18. Nexc4 Nxc4 19. Nxc4 Nd5 20. Qf2 Bg4 21. f5 Qh6 22. Bxd5 Rxd5 23. Ne3 Qc6 24. Nxd5 Qxd5 25. Qd4 Qxd4+ 26. cxd4 g6 27. fxg6 hxg6 28. Kf2 Bh3 29. Rfc1 c6 30. Ke3 f6 31. Rc5 Bg2 32. Rg1 b6 33. Rc2 Bd5 34. Rf1 f5 35. g4 Be4 36. Rcf2 Kg7 37. gxf5 gxf5 38. Rf4 Rh8 39. Rg1+ Kf7 40. h4 c5 41. dxc5 bxc5 42. Rc1 Rc8 43. Rxe4 fxe4 44. Kxe4 Ke6 45. Rg1 c4 46. Rg6+ Kf7 47. Rf6+ Ke7 48. bxc4 Rxc4+ 49. Kd5 Ra4 50. h5 Rxa2 51. h6 Ra5+ 52. Kd4 Ra1 53. h7 Rh1 54. Ra6 Rh2 55. Rxa7+ Ke6 56. Ra6+ Kf7 57. Kd5 Kg7 58. Ra7+ Kg6 59. Ke6 Rh6 60. Rf7 Rh5 61. Re7 Rh1 62. Kd7 Rd1+ 63. Ke8 Rh1 64. Kf8 Rf1+ 65. Kg8 1-0

[Event "Maastricht Limburg op-A 4th"]
[Site "Maastricht"]
[Date "2010.05.24"]
[Round "7"]
[White "Groot, Simon"]
[Black "Kuryliw, Ray"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2026"]
[BlackElo "2103"]
[PlyCount "37"]
[EventDate "2010.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Nb4 8. Be2 Rc8 9. Nc3 a6 10. 0-0 Nc6 11. Be3 Na5 12. Bd3 Nc4 13. Qe2 Be7 14. Rae1 h5 15. Bc1 Nh6 16. Nd2 Nxd2 17. Bxd2 g6 18. Bxh6 Rxh6 19. Rc1 1/2-1/2

[Event "Maastricht Limburg op-A 4th"]
[Site "Maastricht"]
[Date "2010.05.24"]
[Round "6"]
[White "Oosterman, Maarten Jan"]
[Black "Groot, Simon"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1978"]
[BlackElo "2026"]
[PlyCount "87"]
[EventDate "2010.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. dxc5 Qxc5 7. Be2 e5 8. Na3 Nf6 9. Nb5 Qe7 10. 0-0 a6 11. Qa4 Rd8 12. Na3 h6 13. Re1 Qc7 14. Nxe5 Bxe2 15. Nxc6 Qxc6 16. Rxe2+ Kd7 17. Qb3 Kc8 18. Bf4 Nd5 19. Be5 Bxa3 20. bxa3 Rhe8 21. Re4 b5 22. Rae1 f6 23. Bd4 Rxe4 24. Rxe4 Re8 25. f3 Rxe4 26. fxe4 Ne7 27. Qc2 Qc4 28. h3 Nc6 29. Qb3 Na5 30. Qb4 Qxb4 31. axb4 Nc4 32. Kf2 Kd7 33. Kf3 Ke6 34. g4 Nd2+ 35. Ke3 Nc4+ 36. Kd3 g6 37. Bc5 Ke5 38. Bd4+ Ke6 39. Bc5 Ke5 40. Bf8 h5 41. gxh5 gxh5 42. Bc5 Nb2+ 43. Ke3 Nc4+ 44. Kd3 1/2-1/2

[Event "Maastricht Limburg op-A 4th"]
[Site "Maastricht"]
[Date "2010.05.23"]
[Round "5"]
[White "Groot, Simon"]
[Black "Schut, Han"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2026"]
[BlackElo "2133"]
[PlyCount "62"]
[EventDate "2010.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 Be6 9. Be3 Nbd7 10. f4 exf4 11. Bxf4 Ne5 12. Kh1 0-0 13. Nd4 Rc8 14. Nxe6 fxe6 15. Bxe5 dxe5 16. Qxd8 Rfxd8 17. Bd3 Bb4 18. Nd1 Bc5 19. g3 Kf7 20. Kg2 Ke7 21. h3 Rf8 22. Nc3 Bd4 23. Ne2 Nd7 24. c3 Ba7 25. Rxf8 Rxf8 26. Rf1 Rd8 27. Bc2 Nc5 28. Kf3 Rd2 29. Rc1 Nd3 30. Bxd3 Rxd3+ 31. Kg2 Rd2 0-1

[Event "Maastricht Limburg op-A 4th"]
[Site "Maastricht"]
[Date "2010.05.23"]
[Round "4"]
[White "Reymann, Cedric"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2144"]
[BlackElo "2026"]
[PlyCount "69"]
[EventDate "2010.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qa5 9. 0-0 Nf6 10. h3 Bh5 11. a3 Be7 12. Qb3 Bxf3 13. Bxf3 Nxd4 14. Qxb7 Nxf3+ 15. Qxf3 0-0 16. Be3 Rac8 17. Rfd1 Qa6 18. Rd4 Bc5 19. Ra4 Qb6 20. Bg5 Qxb2 21. Bxf6 Bxf2+ 22. Qxf2 Qxa1+ 23. Kh2 Rxc3 24. Rg4 g6 25. Rc4 Rxh3+ 26. Kxh3 Qxa3+ 27. Kh2 Qd3 28. Rc5 h6 29. Qf4 g5 30. Bxg5 f5 31. Bxh6 Rf7 32. Rc8+ Kh7 33. Qh4 Kg6 34. Rg8+ Kh7 35. Rg3 1-0

[Event "Maastricht Limburg op-A 4th"]
[Site "Maastricht"]
[Date "2010.05.22"]
[Round "2"]
[White "Groot, Simon"]
[Black "Hamblok, Roel"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "2026"]
[BlackElo "2145"]
[PlyCount "108"]
[EventDate "2010.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nf3 Bg4 7. Be2 Be7 8. 0-0 0-0 9. Nbd2 Nc6 10. d5 Nb8 11. Nd4 Bxe2 12. Qxe2 Bf6 13. N2f3 Re8 14. Be3 N8d7 15. Rac1 Ne5 16. Nxe5 Bxe5 17. Nf3 Bf4 18. Rc3 Qf6 19. Qc2 Bxe3 20. Rxe3 Rxe3 21. fxe3 Re8 22. Re1 a6 23. b3 Nd7 24. Nd4 g6 25. h3 Qg5 26. Nf3 Qh6 27. Qd2 Nc5 28. b4 Ne4 29. Qd4 b6 30. a4 Ng3 31. Kf2 Ne4+ 32. Kg1 Qh5 33. Rb1 Qf5 34. Rb2 h5 35. Qd3 Ng3 36. Rd2 Qf6 37. Rd1 Qe7 38. Re1 Ne4 39. Qd4 Ra8 40. Kh2 a5 41. b5 Re8 42. g4 Ng5 43. Nxg5 Qxg5 44. Kg3 Re5 45. Qf4 Qe7 46. Kf3 Qh4 47. Rh1 hxg4+ 48. Qxg4 Rf5+ 49. Ke2 Qf2+ 50. Kd3 Qb2 51. Qe2 Qa3+ 52. Kd4 Re5 53. h4 f5 54. Rg1 Re4# 0-1

[Event "Maastricht Limburg op-A 4th"]
[Site "Maastricht"]
[Date "2010.05.21"]
[Round "1"]
[White "Skutta, Bernd"]
[Black "Groot, Simon"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2121"]
[BlackElo "2026"]
[PlyCount "95"]
[EventDate "2010.05.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 Bb4 5. Qc2 b6 6. a3 Bxc3+ 7. Qxc3 Bb7 8. g3 0-0 9. Bg2 Be4 10. 0-0 d6 11. Bh3 Qe8 12. Ng5 h6 13. Nxe4 Nxe4 14. Qd3 Nc6 15. Bg2 e5 16. e3 Kh8 17. b4 exd4 18. exd4 Qd7 19. Bb2 Rae8 20. f3 Nf6 21. Bh3 g6 22. b5 Nd8 23. d5 Kh7 24. Kf2 Qf7 25. Kg1 Nb7 26. Qd4 Nd7 27. Rae1 Nbc5 28. Bg2 Ne5 29. Re3 Ncd7 30. f4 Ng4 31. Re6 Nc5 32. Ree1 Ne4 33. Bxe4 Rxe4 34. Rxe4 fxe4 35. Qxe4 Re8 36. Qd4 h5 37. h3 Nh6 38. g4 hxg4 39. hxg4 Nxg4 40. f5 gxf5 41. Rf3 Qg6 42. Rh3+ Nh6+ 43. Kf1 Rg8 44. Rh2 Qg4 45. Qxg4 fxg4 46. Bc1 Rg6 47. Kg2 Kg7 48. Kg3 1/2-1/2

[Event "Leiden Noteboom Memorial 69th"]
[Site "Leiden"]
[Date "2009.02.21"]
[Round "2"]
[White "Miedema, David"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2325"]
[BlackElo "2008"]
[PlyCount "79"]
[EventDate "2009.02.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 128 Extra"]
[Source "ChessBase"]
[SourceDate "2009.03.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.03.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 0-0 11. Kg2 Nbd7 12. Re1 Qb6 13. e5 Ng4 14. e6 fxe6 15. h3 Nde5 16. Nxe5 Nxe5 17. f4 Nc4 18. Qe2 Bxc3 19. Qxe6+ Kh8 20. bxc3 Qb7 21. Re4 Rf6 22. Qxe7 Qxe7 23. Rxe7 Rf5 24. Re4 Ra4 25. a3 Nb6 26. Rxa4 Nxa4 27. c4 Rf7 28. Rb1 Re7 29. f5 gxf5 30. Bh6 Kg8 31. Kf3 Kf7 32. Bf4 Re4 33. Rb7+ Kg6 34. Bxd6 Rxc4 35. Be5 Re4 36. Rg7+ Kh6 37. Re7 Kg6 38. Re6+ Kf7 39. Rf6+ Ke7 40. Rxf5 1-0

[Event "Groningen op-B"]
[Site "Groningen"]
[Date "2008.12.28"]
[Round "7"]
[White "Groot, Simon"]
[Black "Haveman, Koen"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "2020"]
[BlackElo "1869"]
[PlyCount "58"]
[EventDate "2008.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 cxd4 8. cxd4 Qb6 9. Ne2 Be7 10. Nc3 0-0 11. Bd3 Kh8 12. Bb1 f6 13. Qd3 g6 14. h4 fxe5 15. fxe5 Rxf3 16. gxf3 Nxd4 17. f4 Nf5 18. h5 Nc5 19. Qf3 Ne4 20. Bxe4 dxe4 21. Nxe4 Bh4+ 22. Kf1 Bd7 23. Rxh4 Bb5+ 24. Ke1 Qg1+ 25. Kd2 Qd4+ 26. Ke1 Qg1+ 27. Kd2 Qd4+ 28. Ke1 Nxh4 29. Qe3 Ng2+ 0-1

[Event "Groningen op-B"]
[Site "Groningen"]
[Date "2008.12.27"]
[Round "6"]
[White "Groot, Simon"]
[Black "Van Velzen, Martin"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2020"]
[BlackElo "1796"]
[PlyCount "47"]
[EventDate "2008.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. a4 bxa4 7. Rxa4 Nd7 8. Ra2 Bb7 9. f3 e6 10. Nge2 h6 11. Nc1 Ne7 12. Nb3 Nc6 13. Be2 Nb6 14. 0-0 g5 15. Na5 Nxa5 16. Rxa5 c5 17. Ra3 cxd4 18. Bxd4 Bxd4+ 19. Qxd4 e5 20. Qb4 Bc8 21. Rd1 Rb8 22. Qxd6 Qxd6 23. Rxd6 Ke7 24. Rxb6 1-0

[Event "Groningen op-B"]
[Site "Groningen"]
[Date "2008.12.26"]
[Round "5"]
[White "Ypma, Peter"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1973"]
[BlackElo "2020"]
[PlyCount "65"]
[EventDate "2008.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 127 Extra"]
[Source "ChessBase"]
[SourceDate "2009.01.08"]
[SourceVersion "2"]
[SourceVersionDate "2009.01.28"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 cxd4 7. cxd4 e6 8. Nc3 Qa5 9. h3 Bh5 10. 0-0 Nf6 11. a3 Bd6 12. Be3 0-0 13. Qd2 Rac8 14. Rfd1 Rfd8 15. b4 Qc7 16. Rac1 Qd7 17. Qa2 Nd5 18. Nxd5 exd5 19. Ne5 Bxe5 20. Bxh5 Bb8 21. Bg4 f5 22. Bf3 f4 23. Bg4 Qd6 24. Bd2 Rc7 25. Bc3 Rf7 26. Re1 f3 27. g3 Rf6 28. b5 Rg6 29. Bxf3 Nxd4 30. Bxd4 Qf4 31. Bxd5+ Kh8 32. Be3 Qe5 33. Bb6 1-0

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.30"]
[Round "9"]
[White "Slagter, Ruben"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1895"]
[PlyCount "72"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[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. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 0-0 13. h4 Bh6 14. g4 Bf4 15. Nxf4 exf4 16. Nd4 Ne5 17. Be2 Bb7 18. f3 d5 19. exd5 Qxd5 20. Qd2 Rfe8 21. 0-0-0 Qxa2 22. Kc2 b4 23. Ra1 Qd5 24. Qxf4 bxc3 25. bxc3 Nc4 26. Bxc4 Qxc4 27. Qd2 Bxf3 28. Nxf3 Re2 29. Nd4 Rxd2+ 30. Kxd2 Rc8 31. Rh3 Rb8 32. Kc2 Re8 33. Rb1 h5 34. gxh5 Re2+ 35. Kd1 Rg2 36. Re3 Qf1+ 0-1

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.29"]
[Round "8"]
[White "Groot, Simon"]
[Black "Klinkhammer, Johan"]
[Result "1/2-1/2"]
[ECO "D07"]
[BlackElo "2013"]
[PlyCount "41"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. cxd5 Bxf3 5. exf3 Qxd5 6. Be3 e6 7. Nc3 Qa5 8. Bb5 Nge7 9. Qa4 Qxa4 10. Bxa4 0-0-0 11. Rd1 h6 12. 0-0 g6 13. Bxc6 Nxc6 14. d5 exd5 15. Nxd5 Bg7 16. b3 Rhe8 17. f4 f5 18. Rd3 Ne7 19. Nxe7+ Rxe7 20. Rxd8+ Kxd8 21. Rc1 1/2-1/2

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.28"]
[Round "7"]
[White "Akotchik, Victor"]
[Black "Groot, Simon"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2015"]
[PlyCount "111"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 c5 3. dxc5 e6 4. e4 Nc6 5. Be3 Qa5 6. Qd2 Bxc5 7. Bxc5 Qxc5 8. Nf3 0-0 9. Bd3 d5 10. 0-0 d4 11. Ne2 e5 12. h3 Bd7 13. a3 a5 14. b4 Qd6 15. b5 Ne7 16. a4 Ng6 17. Kh2 b6 18. g3 Rac8 19. Nfg1 Rfe8 20. Qc1 Qb4 21. Nf3 Be6 22. Qa3 Qxa3 23. Rxa3 Bc4 24. Rfa1 Bxd3 25. cxd3 Rc2 26. R3a2 Rec8 27. Nd2 Rxa2 28. Rxa2 Nd7 29. f4 f6 30. Kg2 Kf7 31. Kf2 Nc5 32. Ra3 Ke7 33. Ke1 Nf8 34. h4 g6 35. Ng1 Nfe6 36. f5 gxf5 37. exf5 Ng7 38. g4 h5 39. gxh5 Nxf5 40. Ngf3 Rh8 41. Nc4 Nd7 42. Ra2 Nd6 43. Nxd6 Kxd6 44. Rg2 Rxh5 45. Rg6 Ke6 46. Ke2 Kf7 47. Rg1 Nc5 48. Rc1 Ke6 49. Rc4 Kd5 50. Rc1 f5 51. Rg1 e4 52. dxe4+ Nxe4 53. Rg8 Kc4 54. Ne5+ Kd5 55. Nf3 Nc3+ 56. Kd3 1/2-1/2

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.27"]
[Round "6"]
[White "Groot, Simon"]
[Black "Vermeulen, Frans"]
[Result "1-0"]
[ECO "C63"]
[PlyCount "113"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc6 dxc6 5. Nc3 Nf6 6. Nxe5 fxe4 7. d4 Bd6 8. Bg5 0-0 9. Qe2 Qe8 10. Nxe4 Bxe5 11. dxe5 Qxe5 12. Nxf6+ gxf6 13. Qxe5 fxe5 14. 0-0 Bf5 15. c3 Bd3 16. Rfe1 Rf5 17. Bh4 Kf7 18. Rad1 e4 19. f3 Re8 20. fxe4 Rxe4 21. Rxd3 Rxh4 22. Rd7+ Kf6 23. Rxc7 Rb5 24. b3 a5 25. Ree7 a4 26. Rxb7 axb3 27. axb3 Rbh5 28. h3 h6 29. Rec7 Rc5 30. Rb6 Rxc3 31. Rcxc6+ Rxc6 32. Rxc6+ Kg7 33. Rc4 Rh5 34. Kf2 Rb5 35. b4 Kf6 36. Ke3 h5 37. Kd4 Rg5 38. Rc2 h4 39. Kc4 Ke6 40. Rd2 Rf5 41. b5 Rf1 42. Kc5 Rc1+ 43. Kb6 Rc4 44. Ka5 Rc1 45. Rd4 Ra1+ 46. Ra4 Rg1 47. b6 Kd6 48. Ra2 Rb1 49. Ka6 Kc6 50. Rc2+ Kd6 51. Rc4 Ra1+ 52. Kb5 Ra2 53. b7 Rb2+ 54. Rb4 Rxb4+ 55. Kxb4 Kc7 56. Kc5 Kxb7 57. Kd5 1-0

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.26"]
[Round "5"]
[White "Sparenberg, Erik"]
[Black "Groot, Simon"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2024"]
[PlyCount "62"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. d3 b6 6. Nbd2 Bb7 7. 0-0 e6 8. Re1 Be7 9. Bf1 0-0 10. d4 cxd4 11. cxd4 Rc8 12. b3 Rc7 13. Bd3 Qa8 14. Ba3 Re8 15. e5 dxe5 16. Bxe7 Rxe7 17. dxe5 Nd5 18. Nd4 Nf4 19. N2f3 Nc5 20. Bf1 Red7 21. Re3 Qd8 22. Qe1 Bxf3 23. Nxf3 Nd5 24. Re2 Nd3 25. Qd2 Nc3 26. Re3 Nxe5 27. Qe1 Nxf3+ 28. Rxf3 Nd5 29. Qe5 Nf6 30. Re1 Rc5 31. Qg3 Rd2 1/2-1/2

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.24"]
[Round "4"]
[White "Groot, Simon"]
[Black "Costello, Colin"]
[Result "1-0"]
[ECO "C45"]
[BlackElo "2013"]
[PlyCount "113"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5 8. 0-0 Be7 9. Bf4 0-0 10. Nd2 Rb8 11. Nb3 Bd6 12. Qd2 Rb4 13. Bg3 c5 14. c3 Rb6 15. Rad1 Bxg3 16. hxg3 Qc7 17. Be2 Be6 18. Bf3 Rfb8 19. Qe3 d4 20. cxd4 Bxb3 21. axb3 Rxb3 22. Qe5 Qa5 23. dxc5 Rxb2 24. Ra1 Qb5 25. Rxa7 Re8 26. Re7 Rc2 27. Rxe8+ Qxe8 28. Qxe8+ Nxe8 29. c6 Kf8 30. Ra1 Ke7 31. Ra7+ Ke6 32. Kf1 Nd6 33. Rd7 g6 34. g4 Rc1+ 35. Ke2 Rc2+ 36. Ke1 Ra2 37. g5 Rc2 38. Kd1 Rxf2 39. Rd8 Rf1+ 40. Kc2 Rf2+ 41. Kd3 Nb5 42. Bd5+ Kf5 43. Kc4 Nc7 44. Rd7 Nxd5 45. Rxf7+ Kxg5 46. Rxf2 Ne7 47. c7 h5 48. Rf8 Kg4 49. c8Q+ Nxc8 50. Rxc8 Kg3 51. Rg8 Kxg2 52. Kd3 h4 53. Ke2 h3 54. Rxg6+ Kh1 55. Kf3 Kh2 56. Ra6 Kg1 57. Kg3 1-0

[Event "Groningen Harmonie op-B"]
[Site "Groningen"]
[Date "2007.12.23"]
[Round "3"]
[White "Maris, Ivo"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "78"]
[EventDate "2007.12.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 121 Extra"]
[Source "ChessBase"]
[SourceDate "2008.01.10"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nbd7 5. Qa4 g6 6. 0-0 Bg7 7. d3 0-0 8. h3 e5 9. Nh2 d5 10. Bg5 Qc7 11. Nd2 h6 12. Bh4 a6 13. Qb3 dxe4 14. Nxe4 b5 15. Ng4 Nxe4 16. dxe4 Bb7 17. Ne3 Bxe4 18. c4 b4 19. f3 Bb7 20. Rad1 e4 21. fxe4 Rae8 22. Bf3 Bd4 23. Kh1 Bxe4 24. Bxe4 Rxe4 25. Nd5 Qe5 26. Bf6 Qe6 27. Bxd4 cxd4 28. Qa4 Nb6 29. Qb3 Nxd5 30. cxd5 Qe5 31. Qc4 a5 32. Qc6 Rd8 33. Rf6 Re1+ 34. Rxe1 Qxe1+ 35. Kh2 Qe5+ 36. Kh1 Kg7 37. Rf3 Rxd5 38. Qb7 Qe6 39. a3 d3 0-1

[Event "Haarlem op"]
[Site "Haarlem"]
[Date "2007.07.01"]
[Round "5"]
[White "Pliester, Leon"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2390"]
[PlyCount "45"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. g4 Bxg4 10. fxg4 Nxg4 11. Nb3 Rc8 12. 0-0-0 Nce5 13. Kb1 Nxe3 14. Qxe3 a5 15. a4 Nc4 16. Bxc4 Rxc4 17. h4 h5 18. Nd4 e6 19. Ndb5 Be5 20. Qd3 Rb4 21. b3 Qf6 22. Na2 Ba1 23. c3 1-0

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.29"]
[Round "8"]
[White "Groot, Simon"]
[Black "Vinke, Andreas"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "2197"]
[PlyCount "29"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. g3 Bd7 9. Bh3 h6 10. 0-0 0-0-0 11. Ne1 Kb8 12. Ng2 Ne7 13. Ne3 Nec6 14. f4 Be7 15. Kh1 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.29"]
[Round "7"]
[White "Salihbegovic, Edim"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "A39"]
[PlyCount "54"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 g6 6. Bg2 Bg7 7. Nc3 Nxd4 8. Qxd4 d6 9. 0-0 0-0 10. Qh4 Re8 11. Bh6 Bh8 12. h3 Qa5 13. Rab1 Bf5 14. e4 Be6 15. Nd5 Rac8 16. b3 Bxd5 17. exd5 Qxa2 18. f4 b5 19. f5 bxc4 20. fxg6 hxg6 21. b4 c3 22. Be4 Rc4 23. Rbe1 c2 24. Qf4 Qb2 25. Qf3 Qc3 26. Bd3 Qd4+ 27. Kg2 Rc3 0-1

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.28"]
[Round "6"]
[White "Groot, Simon"]
[Black "Hulshof, Peter"]
[Result "1/2-1/2"]
[ECO "B15"]
[BlackElo "2232"]
[PlyCount "91"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d5 5. Be2 Bg4 6. e5 e6 7. Bg5 Qc7 8. Qd2 h6 9. Bh4 Ne7 10. Bxe7 Qxe7 11. Ng1 Bxe2 12. Ncxe2 0-0 13. f4 c5 14. Nf3 Nc6 15. 0-0 Rfc8 16. Kh1 b5 17. c3 Rc7 18. g4 cxd4 19. Nexd4 Nxd4 20. Nxd4 a6 21. Rae1 b4 22. f5 bxc3 23. bxc3 Qe8 24. Rf3 Rb8 25. Rh3 Rcb7 26. Qd3 Rb2 27. fxe6 fxe6 28. Qxa6 R8b6 29. Qd3 Rxa2 30. Nf3 Ra4 31. g5 h5 32. Nh4 d4 33. cxd4 Qa8+ 34. d5 exd5 35. e6 Ra1 36. Ng2 Rxe6 37. Rhe3 Rxe3 38. Qxe3 Rxe1+ 39. Qxe1 Qa1 40. Qxa1 Bxa1 41. Nf4 d4 42. Kg2 Kf7 43. Kf3 Bb2 44. Ke4 Bc1 45. Nxh5 gxh5 46. Kxd4 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.28"]
[Round "5"]
[White "Pel, Bonno"]
[Black "Groot, Simon"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2350"]
[PlyCount "93"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Bg7 6. Nde2 d6 7. g3 Bg4 8. Bg2 Rc8 9. h3 Bd7 10. 0-0 Nf6 11. a4 0-0 12. Nd5 Nxd5 13. exd5 Ne5 14. Ra2 b5 15. axb5 Bxb5 16. Rxa7 Qb6 17. Ra2 Ra8 18. Rxa8 Rxa8 19. b3 Bxe2 20. Qxe2 Ra2 21. Qd1 Qc5 22. c4 Ra1 23. Qc2 Qa5 24. Bd2 Ra2 25. Bxa5 Rxc2 26. Be4 Re2 27. Re1 Ra2 28. Bb6 f5 29. Bg2 Rb2 30. Bd8 Rxb3 31. c5 Nd3 32. cxd6 exd6 33. Re8+ Kf7 34. Re7+ Kf8 35. Re2 Rb1+ 36. Bf1 Be5 37. Re3 Nb4 38. Ra3 Nxd5 39. Bg5 f4 40. Rd3 Nc3 41. g4 Ne4 42. Bh6+ Kf7 43. Kg2 Ke6 44. Ra3 Rb2 45. Bc4+ d5 46. Ra6+ Bd6 47. Ra2 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.27"]
[Round "4"]
[White "Holwerda, Marten"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "E62"]
[PlyCount "100"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nc6 7. Nc3 Bf5 8. d5 Na5 9. Nd2 c5 10. e4 Bg4 11. f3 Bd7 12. Rb1 b5 13. cxb5 Qb6 14. b3 c4+ 15. Kh1 cxb3 16. Nxb3 Ng4 17. Na4 Qxb5 18. Nd2 Qxa4 19. Qxa4 Bxa4 20. fxg4 Rab8 21. Ba3 Bh6 22. Nb3 Nxb3 23. axb3 Bxb3 24. e5 Rfd8 25. exd6 exd6 26. Rf6 Bxd5 27. Rxb8 Bxg2+ 28. Kxg2 Rxb8 29. Rxd6 Bf8 30. Ra6 Bxa3 31. Rxa3 Rb7 32. Ra6 Kf8 33. Kf3 Kg7 34. h4 Re7 35. g5 Kf8 36. g4 Ke8 37. h5 Kd8 38. Ra3 Kc8 39. Ra2 Kb8 40. Kg3 Rb7 41. Re2 a5 42. Re8+ Ka7 43. Re4 Ka6 44. Rd4 Rb3+ 45. Kf2 Rb4 46. Rd7 Rxg4 47. Rxf7 gxh5 48. Rxh7 Rxg5 49. Rh8 a4 50. Rf8 Ka5 0-1

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.26"]
[Round "3"]
[White "Groot, Simon"]
[Black "Van der Berg, Wessel"]
[Result "1/2-1/2"]
[ECO "B50"]
[PlyCount "44"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[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 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Nb8 9. 0-0 Nxc3 10. bxc3 Nd7 11. Rb1 a6 12. c4 Nc5 13. Nd4 Qxa2 14. Be3 g6 15. Ra1 Qb2 16. Nb5 Bg7 17. Rb1 axb5 18. Rxb2 Bxb2 19. Bxc5 dxc5 20. Qb3 Bd4 21. Qxb5+ Kf8 22. Rd1 Ra2 1/2-1/2

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.24"]
[Round "2"]
[White "Wustefeld, Emile"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2317"]
[PlyCount "75"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 g6 5. Bc4 Bg7 6. 0-0 e6 7. d3 Nge7 8. Qe1 0-0 9. f5 d5 10. Qh4 Nxf5 11. Qxd8 Rxd8 12. exd5 Bxc3 13. dxc6 Bd4+ 14. Nxd4 Nxd4 15. Bg5 Rd6 16. cxb7 Bxb7 17. Rf2 Bd5 18. c3 Nf5 19. g4 Ng7 20. Be7 Rc6 21. Re1 a6 22. Re5 Ra7 23. Rxd5 Rxe7 24. Rd8+ Ne8 25. Ra8 Kg7 26. Rxa6 Rxa6 27. Bxa6 Nd6 28. b4 cxb4 29. cxb4 Kf8 30. Rb2 Ke8 31. b5 Ra7 32. Kf2 Kd7 33. Ke3 e5 34. g5 Ke6 35. Rc2 Kd5 36. a4 Nf5+ 37. Kd2 Nd6 38. Rc6 1-0

[Event "Groningen Harmonie op-A"]
[Site "Groningen"]
[Date "2005.12.23"]
[Round "1"]
[White "Groot, Simon"]
[Black "Van Leent, Dmitri"]
[Result "1/2-1/2"]
[ECO "C45"]
[BlackElo "2309"]
[PlyCount "44"]
[EventDate "2005.12.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 110 Extra"]
[Source "ChessBase"]
[SourceDate "2006.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2006.03.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 Qg6 7. Nd2 Nf6 8. Nf5 Bxe3 9. Nxe3 0-0 10. Qb1 Re8 11. Bd3 Ne5 12. Be2 b6 13. f4 Neg4 14. Nxg4 Nxg4 15. e5 d6 16. Qxg6 hxg6 17. h3 Nh6 18. Bf3 Rb8 19. Bc6 Re6 20. Bd5 Re7 21. Nf3 Nf5 22. Kf2 Be6 1/2-1/2

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.04"]
[Round "6"]
[White "Groot, Simon"]
[Black "Chau, William"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "65"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 e6 6. Nc3 b6 7. Bf4 Bb7 8. 0-0-0 Nf6 9. Bd6 Be7 10. f3 0-0 11. g4 Rc8 12. h4 Bxd6 13. Qxd6 Rc6 14. Qd4 Rc7 15. Rg1 a6 16. Qxb6 d5 17. g5 Nd7 18. Qe3 dxe4 19. Nxe4 Bxe4 20. Qxe4 Qc8 21. Bd3 g6 22. h5 Nc5 23. Qe2 Nxd3+ 24. Qxd3 Rc5 25. h6 Rf5 26. Rg4 f6 27. Rc4 Qb7 28. Qd7 Qxd7 29. Rxd7 Rxg5 30. Rg7+ Kh8 31. Rcc7 Rg1+ 32. Kd2 Rd8+ 33. Ke3 1-0

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.04"]
[Round "5"]
[White "Pauwels, Rudi"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2001"]
[PlyCount "100"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 c5 4. d5 d6 5. e4 Bg7 6. Bb5+ Bd7 7. a4 a6 8. Be2 0-0 9. h3 e6 10. 0-0 exd5 11. exd5 Bf5 12. Bd3 Qc8 13. Bf4 Rd8 14. Re1 c4 15. Bxf5 Qxf5 16. Qd2 Nh5 17. Bxd6 Nd7 18. Nd4 Qf6 19. Be7 Qxd4 20. Qxd4 Bxd4 21. Bxd8 Rxd8 22. Re4 Bxc3 23. bxc3 Nc5 24. Rd4 Nf6 25. d6 Nce4 26. Rxc4 Rxd6 27. Re1 Rd2 28. Rcxe4 Nxe4 29. Rxe4 Rxc2 30. Rc4 Kg7 31. Rc7 Rc1+ 32. Kh2 b5 33. axb5 axb5 34. Rb7 Rb1 35. c4 b4 36. c5 Kf6 37. c6 Ke6 38. c7 Kd7 39. c8Q+ Kxc8 40. Rxf7 b3 41. Rf4 Rc1 42. Rb4 Rc3 43. f3 Kc7 44. Kg3 Kc6 45. Kf4 Kc5 46. Rb7 Rc4+ 47. Ke5 Rb4 48. Rc7+ Kb5 49. Kd5 b2 50. Rb7+ Ka4 0-1

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.03"]
[Round "3"]
[White "Groot, Simon"]
[Black "Cornelisse, Johnny JA"]
[Result "1/2-1/2"]
[ECO "C45"]
[BlackElo "2177"]
[PlyCount "96"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 d6 8. 0-0 Ne5 9. Be2 Qg6 10. Re1 0-0 11. Bh5 Qf6 12. Nd2 N7g6 13. N2b3 Bb6 14. g3 Re8 15. a4 a5 16. f4 Nc4 17. Bc1 Bd7 18. Be2 Bxd4+ 19. Qxd4 Qxd4+ 20. Nxd4 Rxe4 21. b3 Nb6 22. Bd2 Rae8 23. Bf3 Rxe1+ 24. Bxe1 c6 25. c4 Nc8 26. Kf2 Nce7 27. Bxa5 Nf5 28. Nxf5 Bxf5 29. Bc7 Bc2 30. b4 Bb3 31. Be2 d5 32. cxd5 Bxd5 33. a5 h6 34. Rd1 Nf8 35. b5 Ne6 36. Bb6 Ra8 37. h4 Kf8 38. f5 Nd8 39. a6 bxa6 40. bxa6 Ke7 41. a7 Nb7 42. Ba6 Nd6 43. Bc5 Kd7 44. Rd4 Kc7 45. Bd3 Nb7 46. Be7 Rxa7 47. Bf8 Nd6 48. Bxg7 Ba2 1/2-1/2

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.02"]
[Round "2"]
[White "Boidman, Yuri"]
[Black "Groot, Simon"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2412"]
[PlyCount "53"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. 0-0 Bg7 6. Nc3 Nf6 7. e5 Nd5 8. Ne4 d6 9. exd6 exd6 10. d3 Bf5 11. Bg5 f6 12. Bh4 Bxe4 13. dxe4 Nb6 14. Bg3 d5 15. exd5 cxd5 16. Qe2+ Kf7 17. Qb5 Rc8 18. Rad1 Re8 19. a4 Re7 20. b3 Qd7 21. Qd3 d4 22. c3 c4 23. bxc4 Qxa4 24. Bd6 Qxc4 25. Bxe7 Qxd3 26. Rxd3 Kxe7 27. Re1+ 1-0

[Event "Haarlem Nova College op 3rd"]
[Site "Haarlem"]
[Date "2004.07.02"]
[Round "1"]
[White "Groot, Simon"]
[Black "Menjhart, Maria"]
[Result "1-0"]
[ECO "C41"]
[PlyCount "63"]
[EventDate "2004.07.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 101 Extra"]
[Source "ChessBase"]
[SourceDate "2004.09.01"]
[SourceVersion "2"]
[SourceVersionDate "2004.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nc6 4. dxe5 Nxe5 5. Nxe5 dxe5 6. Qxd8+ Kxd8 7. Bc4 Be6 8. Bxe6 fxe6 9. Be3 b6 10. Nd2 Bd6 11. a4 Nf6 12. a5 Bb4 13. c3 Bxa5 14. b4 Ng4 15. Ke2 Bxb4 16. cxb4 h6 17. Nc4 Ke7 18. f3 Nf6 19. Nxe5 Rhd8 20. Nc6+ Ke8 21. Nxd8 Kxd8 22. Rhd1+ Ke7 23. Ra6 Nd7 24. Rda1 Rc8 25. Rxa7 c5 26. Rd1 cxb4 27. Rdxd7+ Kf6 28. Bd4+ Kg6 29. Rxg7+ Kh5 30. Bf6 Rc2+ 31. Kd1 b3 32. g4# 1-0

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "6"]
[White "Doggers, Peter"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "2192"]
[PlyCount "58"]
[EventDate "2001.07.06"]
[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 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Ne5 11. Bb3 Qc7 12. h4 Nc4 13. Bxc4 Qxc4 14. Bh6 Bh8 15. Bxf8 Rxf8 16. g4 Rc8 17. Kb1 b5 18. Qd3 Qc5 19. Ndxb5 Bxb5 20. Qxb5 Qc7 21. Qd3 Qb7 22. Ka1 Nd7 23. Rb1 e6 24. Nd1 Be5 25. c3 Nc5 26. Qc2 Rc6 27. b3 a5 28. a4 Na6 29. Ka2 Nb4+ 0-1

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.08"]
[Round "5"]
[White "Groot, Simon"]
[Black "Marcus, Joost"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "2274"]
[PlyCount "24"]
[EventDate "2001.07.06"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Bb5 8. Nc3 Bxd3 9. Qxd3 Nd7 10. 0-0 Ne7 11. b4 Nc6 12. a3 Be7 1/2-1/2

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.07"]
[Round "3"]
[White "Lowie, Michiel"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "112"]
[EventDate "2001.07.06"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. Bd3 Be6 12. c4 Bxd5 13. exd5 Nd4 14. cxb5 Qa5+ 15. Qd2 axb5 16. Qxa5 Rxa5 17. Nc2 Nxc2+ 18. Bxc2 e4 19. Ke2 Bg7 20. Rhb1 Ke7 21. a3 Rc8 22. Bd1 Be5 23. g3 h5 24. b4 Ra7 25. Ra2 Bd4 26. a4 bxa4 27. Rxa4 Rca8 28. Rxa7+ Rxa7 29. Bb3 h4 30. Rd1 Bc3 31. b5 Ra3 32. Rb1 Bd4 33. Bc4 Bb6 34. Rb2 Rf3 35. Ke1 Rc3 36. Bf1 hxg3 37. hxg3 Kd7 38. Bh3 Rf3 39. Bf1 Kc7 40. Bc4 f4 41. gxf4 Rxf4 42. Bb3 f5 43. Ba2 Bc5 44. Kf1 Kb6 45. Bb1 Bd4 46. Rc2 Kxb5 47. Kg2 Rg4+ 48. Kf1 Bc5 49. Ba2 Rh4 50. Kg2 f4 51. Rc4 e3 52. fxe3 f3+ 53. Kxf3 Rxc4 54. Bxc4+ Kxc4 55. e4 Bd4 56. Kf4 Be5+ 0-1

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "2"]
[White "Groot, Simon"]
[Black "Bertholee, Rob"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "2382"]
[PlyCount "174"]
[EventDate "2001.07.06"]
[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. c3 Nf6 4. Be2 Nbd7 5. d3 g6 6. 0-0 Bg7 7. Re1 b6 8. Nbd2 Bb7 9. d4 cxd4 10. cxd4 Nxe4 11. Nxe4 Bxe4 12. Bc4 Bxf3 13. Qxf3 0-0 14. Bg5 Bf6 15. Bh6 Bg7 16. Bg5 Nf6 17. Ba6 h6 18. Bh4 e6 19. d5 g5 20. Bg3 Nxd5 21. Bb7 Rb8 22. Bxd5 exd5 23. Qxd5 Bxb2 24. Rad1 Ba3 25. Re4 Bc5 26. h4 Kg7 27. Rde1 Qf6 28. h5 Qb2 29. R1e2 Qb5 30. Kh2 Rbe8 31. Re7 a5 32. Qf5 Kg8 33. R2e4 d5 34. Qxd5 Rxe7 35. Rxe7 Qa4 36. Rd7 Qg4 37. Qd1 Qxd1 38. Rxd1 Re8 39. a4 Re4 40. f3 Rxa4 41. Rd8+ Kg7 42. Be5+ f6 43. Rd7+ Kf8 44. Bxf6 Ke8 45. Rb7 Rh4+ 46. Kg3 a4 47. Bg7 a3 48. Bxh6 a2 49. Bg7 Bb4 50. f4 Be1+ 51. Kf3 Rxf4+ 52. Ke2 Re4+ 53. Kd3 Re7 54. Rxe7+ Kxe7 55. Kc2 Kf7 56. Bd4 Bf2 57. Bc3 g4 58. Kb3 Kg8 59. Kxa2 Be3 60. h6 Kh7 61. Bg7 Bxh6 62. Bd4 b5 63. Kb3 Bd2 64. Kc2 Ba5 65. Kd3 Kg6 66. Ke4 Kg5 67. g3 Bc7 68. Bf2 Kf6 69. Kd5 Kf5 70. Kc5 Bb8 71. Kxb5 Ke4 72. Kc4 Kf3 73. Be1 Bxg3 74. Ba5 Ke4 75. Bb6 Bf4 76. Bf2 Kf3 77. Be1 Be3 78. Kd3 Bf2 79. Bb4 g3 80. Bd6 g2 81. Bh2 Kg4 82. Ke2 Bd4 83. Kd3 Bb6 84. Ke2 Kh3 85. Bd6 g1Q 86. Kd3 Qd4+ 87. Kc2 Qxd6 0-1

[Event "Haarlem AKN op 10th"]
[Site "Haarlem"]
[Date "2001.07.06"]
[Round "1"]
[White "Ziepzeerder, Mathijs"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B73"]
[PlyCount "70"]
[EventDate "2001.07.06"]
[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. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. 0-0 0-0 9. a3 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Nxd5 cxd5 13. c3 Rb8 14. Rb1 a5 15. Re1 e5 16. b4 Bf5 17. Rc1 axb4 18. axb4 d4 19. cxd4 exd4 20. Bd2 Qd7 21. Qb3 d3 22. Bf3 Be6 23. Qa3 Bd4 24. Be4 Rfd8 25. Rf1 f5 26. Bf3 Qg7 27. Bc3 Bxc3 28. Rxc3 Qd4 29. Rd1 Bc4 30. h3 h5 31. Qc1 d2 32. Qa3 Re8 33. Rxc4 Qxc4 34. Rxd2 Re1+ 35. Kh2 Qf4+ 0-1

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.02"]
[Round "5"]
[White "Groot, Simon"]
[Black "Jolles, Hajo"]
[Result "1-0"]
[ECO "C02"]
[BlackElo "2244"]
[PlyCount "47"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 cxd4 7. cxd4 Bd7 8. Nc3 Nxd4 9. Nxd4 Qxd4 10. 0-0 Qxe5 11. Re1 Qb8 12. Nxd5 Bd6 13. Qg4 Kf8 14. Bd2 h5 15. Qh3 Bc6 16. Ne3 Nf6 17. Bc3 Rh6 18. Nc4 Bc7 19. Qh4 b5 20. Ne5 Bd5 21. Qg5 Qe8 22. Re3 h4 23. Ng4 Rh5 24. Bb4+ 1-0

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.02"]
[Round "6"]
[White "Ligterink, Gert"]
[Black "Groot, Simon"]
[Result "1/2-1/2"]
[ECO "E91"]
[WhiteElo "2391"]
[PlyCount "43"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Nf3 c5 7. d5 b5 8. cxb5 a6 9. 0-0 axb5 10. Bxb5 Ba6 11. Bxa6 Nxa6 12. Re1 Nd7 13. Bf4 Qb6 14. Rb1 c4 15. Qe2 Nb4 16. Qxc4 Rfc8 17. Qe2 Nxa2 18. e5 Rxc3 19. bxc3 Nxc3 20. Rxb6 Nxe2+ 21. Rxe2 Nxb6 22. exd6 1/2-1/2

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.07.01"]
[Round "3"]
[White "Van den Hoorn, Hans"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "80"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Qd3 Rb8 8. Be2 d5 9. Bg5 d4 10. 0-0-0 Qa5 11. Bxf6 gxf6 12. f4 dxc3 13. Qxc3 Qxc3 14. bxc3 Bc5 15. Rd3 Ba6 16. fxe5 Bxd3 17. cxd3 Ba3+ 18. Kd2 Rb2+ 19. Ke3 fxe5 20. Rf1 Ke7 21. g3 Rhb8 22. Rf5 f6 23. Rh5 Rxa2 24. Rxh7+ Kd6 25. Rf7 Bc1+ 26. Kf2 Rbb2 27. Rxf6+ Ke7 28. Rxc6 Rxe2+ 29. Kf3 Re3+ 30. Kg4 Rxd3 31. Kh3 Be3 32. Kg4 Rxh2 33. Rc7+ Kd6 34. Rf7 Bf2 35. Rf3 Rxf3 36. Kxf3 Bc5 37. g4 Ke6 38. g5 a5 39. Kg3 Rc2 40. Kf3 a4 0-1

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.06.30"]
[Round "2"]
[White "Groot, Simon"]
[Black "Haznedaroglu, Kivanc"]
[Result "0-1"]
[ECO "B42"]
[BlackElo "2287"]
[PlyCount "74"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. 0-0 Nf6 7. c4 h5 8. Nc3 Bc5 9. Nb3 Ba7 10. Qe2 Nc6 11. c5 Ng4 12. g3 Bxc5 13. Nxc5 Nd4 14. Qd1 Qxc5 15. Kg2 Nc6 16. h3 Nge5 17. Be2 h4 18. Be3 Qe7 19. f4 Ng6 20. g4 b5 21. e5 Bb7 22. Bf3 0-0 23. Ne4 Na5 24. Nd6 Bxf3+ 25. Qxf3 Nc4 26. b3 Nxd6 27. Bc5 Rfc8 28. Bxd6 Qd8 29. f5 Nh8 30. Rac1 Rxc1 31. Rxc1 exf5 32. Qxf5 Rc8 33. Rf1 Qe8 34. Rf2 Qe6 35. Qe4 Ng6 36. Rf5 Re8 37. Rh5 Qxd6 0-1

[Event "Haarlem AKN op 09th"]
[Site "Haarlem"]
[Date "2000.06.30"]
[Round "1"]
[White "Sala, Frank"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "74"]
[EventDate "2000.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[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 Nf6 5. Nc3 e5 6. Nf5 d5 7. Bg5 d4 8. Bxf6 gxf6 9. Nb1 Qb6 10. Qc1 Rg8 11. g3 Bxf5 12. exf5 Rc8 13. a3 Bh6 14. Nd2 e4 15. Nc4 Bxc1 16. Nxb6 axb6 17. Rxc1 Ne5 18. Bb5+ Ke7 19. Ke2 Rc5 20. Ba4 Rg5 21. h4 Rxf5 22. Rcd1 d3+ 23. cxd3 Nxd3 24. Rhf1 Rf3 25. Rd2 Rcf5 26. Bc2 Rxf2+ 27. Rxf2 Nxf2 28. Ke3 Rf3+ 29. Kd4 f5 30. Re2 Kd6 31. Re3 Rxe3 32. Kxe3 Ng4+ 33. Kf4 Kd5 34. Bd1 Kd4 35. Be2 Ne3 36. a4 f6 37. Bb5 h6 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1991.??.??"]
[Round "8"]
[White "Groot, Simon"]
[Black "Boersma, Jan"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "104"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 Qxe5 11. Re1 Qb8 12. Nxd5 Bd6 13. Qg4 Kf8 14. Bd2 h5 15. Qh3 Bc6 16. Ne3 Nf6 17. Rac1 Be4 18. Bxe4 Nxe4 19. Nc4 Nxd2 20. Nxd2 Bf4 21. Rcd1 Qc7 22. Ne4 Rc8 23. Qa3+ Kg8 24. g3 Be5 25. h4 a6 26. Qa4 g6 27. Rd7 Qc2 28. Qxc2 Rxc2 29. Ng5 Bf6 30. Rxb7 Rxb2 31. Rxb2 Bxb2 32. Rb1 Bf6 33. Ne4 Bd4 34. Rd1 e5 35. Rc1 Kg7 36. Rc7 Ra8 37. Ng5 Ra7 38. Rc6 a5 39. Kg2 Rb7 40. f4 exf4 41. gxf4 Bf6 42. Rc2 Rb2 43. Rxb2 Bxb2 44. Kf3 Bf6 45. Ke4 Bxg5 46. fxg5 f5+ 47. gxf6+ Kxf6 48. Kf4 a4 49. a3 g5+ 50. hxg5+ Kg6 51. Kf3 Kxg5 52. Kg3 Kf5 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "1991.??.??"]
[Round "1"]
[White "Groot, Simon"]
[Black "Dekker, Andries"]
[Result "0-1"]
[ECO "C42"]
[BlackElo "2230"]
[PlyCount "108"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 Qe7 6. d3 Nf6 7. Nc3 Bg4 8. Qxe7+ Bxe7 9. Be2 Nc6 10. h3 Bh5 11. Bf4 0-0-0 12. 0-0-0 d5 13. g4 Bg6 14. Ne5 Nd4 15. Rde1 Rhe8 16. Bd1 Nc6 17. g5 Nh5 18. Bg4+ Kb8 19. Nd7+ Rxd7 20. Bxd7 Rd8 21. Bxc6 Nxf4 22. Rxe7 bxc6 23. h4 Bh5 24. Kd2 Kc8 25. f3 Rf8 26. Ne2 Ng6 27. Re3 Kd7 28. Ng3 d4 29. Re4 Bxf3 30. Rxd4+ Kc8 31. Rf1 Ne5 32. Rf4 Bd5 33. c4 Be6 34. h5 Rd8 35. b3 Nxd3 36. Ke3 Nxf4 37. Rxf4 Rd1 38. Rf1 Rxf1 39. Nxf1 Bf5 40. Kd4 Kd7 41. Ke5 Bd3 42. Ng3 Ke7 43. a3 Bc2 44. b4 f6+ 45. gxf6+ gxf6+ 46. Kd4 Ke6 47. Kc5 Ke5 48. Kxc6 Kf4 49. Nf1 Bd3 50. c5 Bxf1 51. Kxc7 Ke5 52. Kb7 f5 53. Kxa7 f4 54. c6 Kd6 0-1

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Groot, Simon"]
[Black "Daamen, Ferry"]
[Result "0-1"]
[ECO "C89"]
[PlyCount "102"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[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. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. g3 Bd6 13. Re1 Qd7 14. d3 Qh3 15. Re4 Qf5 16. Nd2 Qg6 17. Nf1 f5 18. Rd4 f4 19. Rxd5 cxd5 20. Bxd5+ Be6 21. Bxa8 Rxa8 22. a4 b4 23. Qf3 Rf8 24. Qe4 Bf5 25. Qd5+ Kh8 26. cxb4 fxg3 27. hxg3 Bxb4 28. Bd2 Bxd2 29. Nxd2 Bxd3 30. Rc1 h6 31. Rc6 Qe8 32. Qe6 Qh5 33. Kg2 Bf5 34. Qe3 Re8 35. g4 Qxg4+ 36. Qg3 Qxa4 37. Rc7 Qg4 38. Ra7 Qxg3+ 39. Kxg3 Bd3 40. b3 Rb8 41. f4 Rb6 42. Kf2 h5 43. Kg3 Kh7 44. Kh4 Kh6 45. Ra8 Be2 46. Re8 Bg4 47. Rd8 g6 48. Rd4 a5 49. Kg3 Be6 50. Ra4 Rb5 51. Kf3 Bxb3 0-1

[Event "NED corr"]
[Site "Netherlands"]
[Date "1984.??.??"]
[Round "?"]
[White "March, Dennis E"]
[Black "Groot, Simon"]
[Result "0-1"]
[ECO "B70"]
[PlyCount "60"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "NED"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bg5 Bg7 7. Qd2 Nc6 8. 0-0-0 0-0 9. Nb3 Be6 10. Kb1 Rc8 11. f3 Re8 12. g4 Ne5 13. Be2 Nfd7 14. Bh6 Bh8 15. h4 Nb6 16. h5 Nec4 17. Bxc4 Nxc4 18. Qh2 g5 19. Rd3 Be5 20. Qg1 f6 21. Qxa7 b5 22. Nd4 Bd7 23. Ncxb5 Bxb5 24. Nxb5 Rb8 25. Qa4 Nxb2 26. Qb3+ e6 27. Rxd6 Bxd6 28. Qxb2 Be5 29. Qb3 Rxb5 30. Qxb5 Qe7 0-1

