[Event "NED-chT 2223"]
[Site "Netherlands"]
[Date "2023.04.22"]
[Round "9.6"]
[White "Wempe, Joost"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2306"]
[BlackElo "2090"]
[PlyCount "89"]
[EventDate "2022.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Groningen Combinatie"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. c4 e6 6. Qb3 Qb6 7. c5 Qxb3 8. axb3 Be7 9. Nc3 a6 10. b4 0-0 11. Bf4 Nbd7 12. Nd2 Nh5 13. Be5 f6 14. Bd6 Bxd6 15. cxd6 g5 16. 0-0 Ng7 17. e4 Bg6 18. Rfe1 dxe4 19. Ncxe4 Nf5 20. Nc5 Nxc5 21. dxc5 Nd4 22. Be4 Bxe4 23. Rxe4 e5 24. f4 gxf4 25. gxf4 Rae8 26. fxe5 fxe5 27. Rae1 Nc2 28. R1e2 Nd4 29. R2e3 Nc2 30. Rg3+ Kh8 31. Rg5 Rg8 32. Rxg8+ Rxg8+ 33. Kf1 Rf8+ 34. Kg2 Kg7 35. Rxe5 Nxb4 36. Re7+ Kg6 37. Nf3 Nd3 38. b4 Kf6 39. Rxb7 Ke6 40. Re7+ Kd5 41. d7 Rd8 42. Ng5 Nf4+ 43. Kf1 Ng6 44. Ne6 Nxe7 45. Nxd8 1-0

[Event "NED-chT 2223"]
[Site "Netherlands"]
[Date "2022.12.17"]
[Round "5.4"]
[White "Okkes, Menno"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2325"]
[BlackElo "2090"]
[PlyCount "43"]
[EventDate "2022.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Paul Keres"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 g6 5. d4 Bg7 6. Be2 0-0 7. 0-0 dxc4 8. Bxc4 Bg4 9. h3 Bxf3 10. Qxf3 Nbd7 11. Rd1 Qc7 12. e4 e5 13. d5 cxd5 14. Bxd5 Rad8 15. Bg5 h6 16. Bxf6 Nxf6 17. Bb3 Qe7 18. Qe3 b6 19. Nd5 Nxd5 20. Rxd5 Rxd5 21. Bxd5 Rc8 22. Rc1 1/2-1/2

[Event "NED-chT 2223"]
[Site "Netherlands"]
[Date "2022.11.26"]
[Round "4.8"]
[White "Groffen, Hans"]
[Black "Lecomte, Robin"]
[Result "0-1"]
[ECO "E91"]
[WhiteElo "2090"]
[BlackElo "2269"]
[PlyCount "84"]
[EventDate "2022.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Charlois Europoort"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c6 7. 0-0 Nbd7 8. Re1 Qc7 9. Be3 e5 10. d5 c5 11. Nd2 Ne8 12. a3 f5 13. f3 f4 14. Bf2 Ndf6 15. b4 b6 16. Nb3 a6 17. Rb1 g5 18. Nc1 h5 19. Qb3 Nd7 20. Nd3 Rf6 21. Rb2 Rg6 22. Reb1 Qd8 23. Qd1 Nef6 24. bxc5 bxc5 25. Kh1 Bf8 26. Na4 Be7 27. Nb6 Nxb6 28. Rxb6 g4 29. Rb8 Rxb8 30. Rxb8 Qc7 31. Qb1 Nd7 32. Rb2 g3 33. Be1 gxh2 34. Bd1 h4 35. Ba4 Kh7 36. Bc3 h3 37. Qe1 Qd8 38. Qf1 Bh4 39. Be1 Bxe1 40. Nxe1 Qg5 41. Kxh2 Rh6 42. Kg1 Nf6 0-1

[Event "NED-chT 2223"]
[Site "Netherlands"]
[Date "2022.11.05"]
[Round "3.9"]
[White "Groffen, Hans"]
[Black "Bosman, Michiel"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2090"]
[BlackElo "2368"]
[PlyCount "32"]
[EventDate "2022.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 0-0 9. cxd5 exd5 10. Be2 Rd8 11. 0-0 a6 12. Rac1 Bf8 13. Qb3 Na5 14. Qa4 Nc6 15. Qb3 Na5 16. Qa4 Nc6 1/2-1/2

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2022.05.21"]
[Round "5.9"]
[White "Lammens, Tim"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2241"]
[BlackElo "2139"]
[PlyCount "79"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Apeldoorn Amevo"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 4. Nbd2 Nf6 5. Bg2 Bf5 6. 0-0 e6 7. Nh4 Bg6 8. Nxg6 hxg6 9. e4 dxe4 10. Nxe4 c6 11. Re1 Be7 12. c3 Nxe4 13. Bxe4 Qd7 14. Bg2 Rd8 15. Qe2 0-0 16. h4 Bf6 17. Be4 Rfe8 18. h5 gxh5 19. Qxh5 g6 20. Qf3 Kg7 21. Bf4 Qe7 22. Kg2 Rh8 23. Qg4 Nd5 24. Bd2 Rh5 25. Rh1 Rdh8 26. Rxh5 Rxh5 27. Rh1 Rxh1 28. Kxh1 Qd8 29. Qe2 Ne7 30. Kg2 Qb6 31. Bc1 Qa5 32. a3 a6 33. Qc2 Qb6 34. Qd2 Ng8 35. Qf4 Qb5 36. Qe3 Qh5 37. Bf3 Qb5 38. Be4 Qh5 39. Bf3 Qb5 40. Be4 1/2-1/2

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2022.04.23"]
[Round "9.6"]
[White "Groffen, Hans"]
[Black "Vedder, Richard"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "2139"]
[BlackElo "2245"]
[PlyCount "120"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "En Passant"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 dxc4 3. e4 Nc6 4. Nf3 Bg4 5. d5 Ne5 6. Bf4 Ng6 7. Be3 b5 8. Be2 e6 9. Nc3 a6 10. 0-0 exd5 11. exd5 Nf6 12. h3 Bxf3 13. Bxf3 Bd6 14. a4 Rb8 15. Ba7 Rb7 16. Re1+ Ne7 17. Bd4 0-0 18. axb5 axb5 19. Bxf6 gxf6 20. Ne4 Ng6 21. Ng3 Bxg3 22. fxg3 Qd6 23. h4 Qxg3 24. Ra6 Nxh4 25. Rxf6 Rb6 26. Re4 Rxf6 27. Rg4+ Qxg4 28. Bxg4 Rg6 29. Bh3 Rd6 30. Qd4 Ng6 31. Qc5 Nf4 32. Bg4 Rxd5 33. Qxc7 Ng6 34. Qc6 Rfd8 35. Qc7 Rd2 36. Bf3 Kg7 37. Qa5 R8d5 38. Bxd5 Rxd5 39. Qa8 Rg5 40. Qe4 h5 41. Qd4+ Ne5 42. Kh2 f6 43. Qa7+ Kg6 44. Qd4 b4 45. Qe4+ Kh6 46. Qd4 b3 47. Qd8 Kg6 48. Qd4 Rg4 49. Qd5 h4 50. Kh3 Kf5 51. Qc5 Rg3+ 52. Kh2 Ke4 53. Qe7 Kd3 54. Kh1 h3 55. gxh3 Rxh3+ 56. Kg2 Rf3 57. Qh7+ Kd2 58. Qb1 Re3 59. Qa1 c3 60. bxc3 Kc2 0-1

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2022.04.02"]
[Round "8.8"]
[White "Van Meegen, Ruud"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2275"]
[BlackElo "2139"]
[PlyCount "131"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Zuid Limburg"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nge2 Rc8 9. 0-0 e6 10. Rc1 Bd6 11. Bxd6 Qxd6 12. Na4 Bxe2 13. Bxe2 Nd7 14. Nc5 Nxc5 15. Rxc5 0-0 16. Qb3 Rc7 17. Qb6 Ra8 18. Rfc1 Rd7 19. Bd1 Qc7 20. Qxc7 Rxc7 21. Ba4 Rac8 22. Bxc6 Rxc6 23. Rxc6 bxc6 24. b4 Kf8 25. a3 Ke7 26. Rc5 Kd6 27. Ra5 Ra8 28. Kf1 Kc7 29. Ke2 Kb6 30. Kd3 Re8 31. Rc5 f6 32. f3 f5 33. Rc1 Kb5 34. Rc5+ Kb6 35. Rc1 Kb5 36. h4 Re7 37. Rc5+ Kb6 38. Rc1 Kb5 39. Rc5+ Kb6 40. Kc3 h6 41. Kd3 Rf7 42. h5 Rf6 43. Ke2 g5 44. hxg6 Rxg6 45. Kf2 h5 46. Rc1 Kb5 47. Rc5+ Kb6 48. a4 h4 49. Rc1 Rh6 50. Kg1 Rh8 51. Kh2 Rg8 52. Rc5 Rg3 53. Rc2 Kb7 54. Ra2 Kb6 55. Rb2 Rg6 56. Kh3 Rh6 57. Rc2 Kb7 58. Rc1 Rg6 59. Rc2 Rh6 60. Rc1 Rg6 61. Rg1 Rh6 62. Rb1 Kb6 63. Rb2 Rh7 64. Rb1 Rh6 65. Rc1 Rg6 66. Rc2 1/2-1/2

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2022.03.12"]
[Round "7.10"]
[White "Groffen, Hans"]
[Black "Van Baar, Esper"]
[Result "0-1"]
[ECO "D24"]
[WhiteElo "2139"]
[BlackElo "2241"]
[PlyCount "88"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Kennemer Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bxc4 Nxe4 7. 0-0 Nxc3 8. bxc3 Be7 9. Bf4 0-0 10. Qc2 Nd7 11. Bd3 Nf6 12. Ne5 Bd7 13. Rad1 Qe8 14. Nxd7 Qxd7 15. Rfe1 Kh8 16. Be5 h6 17. h3 Nd5 18. Qd2 Bg5 19. Qb2 c6 20. c4 Ne7 21. Bb1 Ng6 22. Qc2 f5 23. g3 Nxe5 24. dxe5 Qf7 25. Rd6 Rfd8 26. Red1 Rxd6 27. Rxd6 Rd8 28. Qd3 Qc7 29. g4 g6 30. gxf5 gxf5 31. c5 Be7 32. Qe3 Bxd6 33. Qxh6+ Qh7 34. Qxh7+ Kxh7 35. cxd6 Kg6 36. Kg2 Kg5 37. Kg3 f4+ 38. Kf3 Rh8 39. Bc2 Rxh3+ 40. Ke4 f3 41. Bb3 Rh4+ 42. Kxf3 Kf5 43. Kg3 Rd4 44. f4 Rd3+ 0-1

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2021.11.27"]
[Round "4.10"]
[White "Abeln, Michiel"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2318"]
[BlackElo "2139"]
[PlyCount "95"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Den Bosch HMC"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Be2 Bf5 8. Nf3 Rc8 9. 0-0 e6 10. Qb3 Bd6 11. Bxd6 Qxd6 12. Qxb7 0-0 13. Rfc1 Nb4 14. Na4 Bc2 15. Qb6 Qxb6 16. Nxb6 Rb8 17. a3 Bd3 18. Bxd3 Nxd3 19. Rc6 Nxb2 20. Kf1 Rb7 21. Ra2 Nc4 22. Nxc4 dxc4 23. Rxc4 Rfb8 24. Nd2 Nd5 25. Ke2 f5 26. Rac2 Kf7 27. Ra4 Rb2 28. Rxb2 Rxb2 29. Rxa6 Ra2 30. Ra7+ Kf6 31. Ra5 Nb6 32. Rb5 Nc4 33. Kd3 Nxd2 34. f3 Ne4 35. fxe4 Rxa3+ 36. Ke2 fxe4 37. Re5 Ra2+ 38. Kf1 g5 39. Rxe4 h5 40. h4 g4 41. Re5 Ra1+ 42. Kf2 Ra2+ 43. Kg3 Re2 44. Kf4 Rf2+ 45. Ke4 Rxg2 46. Rxh5 g3 47. Kf3 Rg1 48. Rg5 1-0

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2021.11.06"]
[Round "3.9"]
[White "Lecomte, Robin"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2264"]
[BlackElo "2139"]
[PlyCount "57"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Charlois Europoort"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. 0-0 Nd7 5. d4 e6 6. b3 Bd6 7. Bb2 Ne7 8. c4 0-0 9. Nbd2 Bb4 10. a3 Bxd2 11. Qxd2 Nf6 12. Ne5 Bf5 13. f3 h6 14. c5 Bh7 15. Rae1 Qc7 16. e4 Rad8 17. Bc3 Ng6 18. Nd3 Qb8 19. e5 Nd7 20. Bh3 Ne7 21. b4 Bxd3 22. Qxd3 g6 23. Bd2 Kg7 24. g4 Rh8 25. f4 Ng8 26. f5 g5 27. Re2 Rh7 28. fxe6 fxe6 29. Rf7+ 1-0

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2021.10.09"]
[Round "2.7"]
[White "Groffen, Hans"]
[Black "Van der Werf, Mark"]
[Result "1/2-1/2"]
[ECO "A70"]
[WhiteElo "2139"]
[BlackElo "2393"]
[PlyCount "78"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Leiden LSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. Nf3 c5 3. d5 e6 4. c4 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 a6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 Bg7 11. Bd3 0-0 12. 0-0 Nbd7 13. Qd1 Re8 14. f4 c4 15. Bc2 b5 16. axb5 axb5 17. Rxa8 Qb6+ 18. Kh1 Rxa8 19. Qf3 b4 20. Be3 Qa5 21. Ne2 Ne8 22. Bd4 Bxd4 23. Nxd4 Qa2 24. Qe2 Qxb2 25. Qxc4 Nc5 26. e5 Ra1 27. Rxa1 Qxa1+ 28. Kh2 Qc1 29. Nb3 Nxb3 30. Bxb3 Qxc4 31. Bxc4 Kf8 32. Kg1 Ke7 33. Kf2 Nc7 34. Ke3 Na8 35. Kd4 Nb6 36. Bb3 Nd7 37. Bc2 Nb6 38. Bb3 Nd7 39. Bc2 Nb6 1/2-1/2

[Event "NED-chT 2122"]
[Site "Netherlands"]
[Date "2021.09.18"]
[Round "1.9"]
[White "Van Foreest, Machteld"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2141"]
[BlackElo "2139"]
[PlyCount "96"]
[EventDate "2021.09.18"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Groningen Combinatie"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Nf6 6. Ngf3 Qxc5 7. Bd3 Be7 8. 0-0 0-0 9. Qe2 Nbd7 10. a4 Qc7 11. b3 b6 12. Bb2 Bb7 13. Ne5 Nxe5 14. Bxe5 Qc6 15. f3 Nd7 16. Bb2 Bf6 17. Bxf6 Nxf6 18. a5 Rac8 19. a6 Ba8 20. Nc4 Rfd8 21. Rfd1 Qc5+ 22. Qe3 Qxe3+ 23. Nxe3 Kf8 24. Nc4 Ke7 25. Na3 Bc6 26. Bb5 Ba8 27. Ba4 Nd5 28. Nb5 Rxc2 29. b4 Rb2 30. Nxa7 Nxb4 31. Rxd8 Kxd8 32. Bb5 Kc7 33. Rc1+ Kb8 34. Nc8 Nc2 35. Nd6 Kc7 36. Ne8+ Kd8 37. Nd6 Kc7 38. Nxf7 Rxb5 39. Rxc2+ Kd7 40. Rd2+ Ke7 41. Nd6 Ra5 42. a7 Kf6 43. Ne8+ Ke7 44. Nd6 Kf6 45. Nc8 Bb7 46. Nxb6 Rxa7 47. Rd7 Ra1+ 48. Kf2 Bc6 1/2-1/2

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2020.03.08"]
[Round "9.6"]
[White "Groffen, Hans"]
[Black "Hautot, Stephane"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2067"]
[BlackElo "2320"]
[PlyCount "71"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures Ghent"]
[BlackTeam "Wirtzfeld"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 e5 7. Nb3 Be6 8. c4 Nc6 9. cxd5 Nxd5 10. N1d2 Be7 11. Ne4 b6 12. Ng5 Bxg5 13. Bxg5 Qxg5 14. Bxd5 Bxd5 15. Qxd5 Qg6 16. Rac1 Rc8 17. Rfd1 0-0 18. Qd6 Qe4 19. Qd3 Qa4 20. Qb1 g6 21. Nd2 Qa6 22. Qe4 Rfd8 23. Nf3 Rxd1+ 24. Rxd1 Qxa2 25. Nxe5 Qe6 26. Nd7 Kg7 27. Qxe6 fxe6 28. Rc1 Ne7 29. Rxc8 Nxc8 30. f4 Nd6 31. Ne5 Kf6 32. Kf2 g5 33. Kf3 gxf4 34. gxf4 Kf5 35. Nc6 Nc4 36. e4+ 1/2-1/2

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2020.03.07"]
[Round "6.7"]
[White "Schoorl, Rob"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "2266"]
[BlackElo "2067"]
[PlyCount "51"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Den Bosch HMC"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 g6 5. d4 Bg7 6. Be2 a6 7. 0-0 0-0 8. Ne5 Nbd7 9. f4 Ne4 10. cxd5 Nxc3 11. bxc3 cxd5 12. c4 e6 13. a4 Nf6 14. Qb3 Ne4 15. Bf3 f5 16. Bxe4 fxe4 17. Ba3 Re8 18. a5 Bf8 19. Bxf8 Kxf8 20. c5 Kg7 21. Qb6 Qe7 22. Rab1 Qd8 23. g4 Qe7 24. g5 Qd8 25. Rf2 Qe7 26. h4 1-0

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2020.02.16"]
[Round "8.5"]
[White "Groffen, Hans"]
[Black "Michalczak, Thomas"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2067"]
[BlackElo "2304"]
[PlyCount "104"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures Ghent"]
[BlackTeam "KSK47 Eynatten"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. Nf3 d5 3. g3 b5 4. Bg2 Bb7 5. 0-0 e6 6. a4 b4 7. c4 dxc4 8. Ne5 Bxg2 9. Kxg2 Qd5+ 10. f3 c5 11. e4 Qxd4 12. Qxd4 cxd4 13. Nxc4 Nc6 14. Bf4 Nd7 15. e5 Be7 16. h4 0-0 17. Nbd2 Nc5 18. Ne4 Nd3 19. h5 f5 20. Nf2 Nxf2 21. Kxf2 Rac8 22. b3 Rfd8 23. Rfd1 Kf7 24. Rd3 Nb8 25. Rad1 Bc5 26. Bc1 Rd5 27. Bb2 Nc6 28. f4 Rcd8 29. Rc1 g5 30. hxg6+ hxg6 31. Rh1 Kg7 32. Kg2 Rg8 33. Nd2 g5 34. Kf2 Ne7 35. Nf3 gxf4 36. gxf4 Ng6 37. Bc1 Rh8 38. Rxh8 Kxh8 39. Ng5 Nf8 40. Ke2 Rd7 41. Rh3+ Kg8 42. Kd3 Bb6 43. Bd2 a5 44. Rh6 Kg7 45. Rh1 Bd8 46. Nf3 Ng6 47. Rc1 Rd5 48. Rc4 Nh4 49. Nxh4 Bxh4 50. Rxd4 Rc5 51. Rc4 Rd5+ 52. Rd4 Rc5 1/2-1/2

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2020.02.02"]
[Round "7.7"]
[White "De Ruiter, Danny"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2264"]
[BlackElo "2067"]
[PlyCount "68"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Wachtebeke"]
[BlackTeam "Jean Jaures Ghent"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d6 6. Bg2 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. Nc3 c6 10. Qc2 Qe7 11. Rfd1 0-0 12. a3 Bxc3 13. Bxc3 a4 14. e3 Re8 15. Ng5 h6 16. Ne4 Nxe4 17. Bxe4 Nf6 18. Bg2 Bg4 19. Re1 Qe6 20. Bb4 c5 21. Bxc5 Rec8 22. Bb4 Rxc4 23. Qd3 e4 24. Qd6 Qxd6 25. Bxd6 Rac8 26. Be5 Nd7 27. Bd4 Nc5 28. Rac1 Nd3 29. Rxc4 Rxc4 30. Rb1 f5 31. h3 Be2 32. Bc3 b5 33. Bf1 Bxf1 34. Kxf1 b4 1/2-1/2

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2020.01.19"]
[Round "6.6"]
[White "Odendahl, Reiner"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2359"]
[BlackElo "2067"]
[PlyCount "181"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Eupen Rochade"]
[BlackTeam "Jean Jaures Ghent"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e5 2. g3 Nc6 3. Nc3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 d6 7. Bg5 g6 8. e3 Bg7 9. Be2 0-0 10. Ng2 h6 11. Bxf6 Bxf6 12. Nf4 Ne7 13. Ncd5 Kg7 14. Nxf6 Rxf6 15. Qd2 c6 16. h4 d5 17. Rc1 Be6 18. Kf1 Bf7 19. Kg2 Qd7 20. b4 dxc4 21. Bxc4 Bxc4 22. Rxc4 Rd6 23. Rc5 Nd5 24. Nxd5 Rxd5 25. Qc3 Rd8 26. Rb1 a6 27. a4 Kh7 28. b5 axb5 29. axb5 Rxc5 30. Qxc5 cxb5 31. Rxb5 Rc8 32. Qe5 h5 33. Rb6 Rc7 34. Re6 Qg7 35. Qb5 Qd7 36. Qe5 Qg7 37. Qd5 Qd7 38. Rd6 Qf7 39. Qb5 Re7 40. Rd8 Qf6 41. Rb8 Qf7 42. Rc8 Qe6 43. Rf8 Kg7 44. Rb8 Qf7 45. d5 Kh7 46. Rd8 f4 47. exf4 e3 48. Qb2 Qg7 49. Qxg7+ Kxg7 50. fxe3 Rxe3 51. Rd7+ Kf6 52. Rxb7 Rd3 53. Rb5 Kf5 54. d6+ Ke6 55. Rb6 Kf5 56. Kf2 Rd5 57. Kf3 Rd3+ 58. Kf2 Rd5 59. Kf3 Rd3+ 60. Ke2 Rd5 61. Ra6 Rd4 62. Ke3 Rd5 63. Rb6 Rd1 64. Rb5+ Kf6 65. Rg5 Rxd6 66. f5 gxf5 67. Rxh5 Re6+ 68. Kf3 Re4 69. Rh6+ Kg7 70. Rb6 Ra4 71. h5 Rc4 72. h6+ Kh7 73. Rf6 Ra4 74. Rxf5 Kxh6 75. Rf4 Ra1 76. Kg4 Kg6 77. Rc4 Rg1 78. Rc6+ Kg7 79. Kf4 Rg2 80. g4 Rf2+ 81. Kg5 Rf7 82. Rg6+ Kh7 83. Rf6 Ra7 84. Rb6 Kg7 85. Rg6+ Kh7 86. Kh5 Rb7 87. Rg5 Ra7 88. Re5 Kg7 89. g5 Rb7 90. Kg4 Rf7 91. Rf5 1/2-1/2

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2019.12.14"]
[Round "4.9"]
[White "Bosboom, Manuel"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2425"]
[BlackElo "2067"]
[PlyCount "95"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "En Passant"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. Nc3 a6 5. Qc2 g6 6. e4 dxe4 7. Nxe4 Nxe4 8. Qxe4 Bg7 9. Be2 Nd7 10. 0-0 Nf6 11. Qf4 0-0 12. Rd1 Qa5 13. h3 Qf5 14. Qc7 Qd7 15. Qg3 Qe6 16. Re1 Qd6 17. Qh4 Be6 18. b3 Rad8 19. Bh6 b5 20. Rad1 bxc4 21. bxc4 Bf5 22. Bf1 Bxh6 23. Qxh6 Rb8 24. c5 Qc7 25. Bxa6 Be4 26. Rxe4 Nxe4 27. Re1 Nf6 28. Bc4 Rb4 29. Bb3 Qd7 30. Ne5 Qc7 31. Nxg6 hxg6 32. Qxg6+ Kh8 33. Qh6+ Nh7 34. Re4 Rg8 35. Qe3 Rxb3 36. axb3 e6 37. b4 Qd8 38. Re5 Rg6 39. d5 cxd5 40. Qd4 Kg8 41. c6 Ng5 42. Re3 Qd6 43. b5 e5 44. Qa7 Ne6 45. b6 Qc5 46. c7 Nf4 47. Qb8+ Kh7 48. c8Q 1-0

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2019.12.01"]
[Round "5.6"]
[White "Groffen, Hans"]
[Black "Buscher, Michael"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2067"]
[BlackElo "2362"]
[PlyCount "120"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures Ghent"]
[BlackTeam "Echiquier Mosan"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 Nc6 5. 0-0 d5 6. c4 dxc4 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 Bd7 11. Rb1 0-0-0 12. Nb3 Bb6 13. Ng5 Ne5 14. Bf4 Nfg4 15. Ne4 Nc4 16. h3 Nh6 17. Nec5 Bc6 18. Bxc6 bxc6 19. Rd4 Na3 20. Rbd1 Nb5 21. Rxd8+ Rxd8 22. Rxd8+ Bxd8 23. Na4 Nf5 24. c4 Na3 25. g4 Ne7 26. Be3 Kb8 27. Nd2 Nc8 28. Bc5 Nc2 29. Ne4 Kc7 30. Nb2 f5 31. Nd2 g6 32. Nd3 Bf6 33. Nf3 Nb6 34. Nfe5 Ne1 35. Nf7 Nxd3 36. exd3 Nc8 37. Kf1 e5 38. gxf5 gxf5 39. Nh6 Be7 40. Bxe7 Nxe7 41. Nf7 Ng6 42. Nh6 Nh4 43. Nf7 Nf3 44. Ke2 Ng1+ 45. Ke1 Nxh3 46. Nxe5 Kd6 47. d4 Ng5 48. Nd3 Nf3+ 49. Ke2 Nxd4+ 50. Ke3 Ne6 51. Kf3 Nc5 52. Nxc5 Kxc5 53. Kf4 Kxc4 54. Kxf5 Kd5 55. f4 c5 56. Kf6 c4 57. f5 c3 58. Kg7 c2 59. f6 c1Q 60. f7 Qc8 0-1

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2019.11.23"]
[Round "3.4"]
[White "Beerdsen, Thomas"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2482"]
[BlackElo "2067"]
[PlyCount "37"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Apeldoorn MuConsult"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Bc1 c5 9. Ne2 Qa5 10. f3 Nxc3 11. Qd2 cxd4 12. Nxd4 Qc7 13. Bb2 Qxe5+ 14. Kf2 Na4 15. Bb5+ Bd7 16. Bxa4 Bxa4 17. Qb4 Bc6 18. Nxc6 Nxc6 19. Qxb7 1-0

[Event "NED-chT 1920"]
[Site "Netherlands"]
[Date "2019.11.02"]
[Round "2.10"]
[White "Groffen, Hans"]
[Black "De Groote, Ewoud"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2067"]
[BlackElo "2227"]
[PlyCount "65"]
[EventDate "2019.09.28"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "BSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. Nf4 d6 6. Nc3 c6 7. d5 e5 8. dxe6 Na6 9. h4 Nc5 10. h5 Nxh5 11. Rxh5 gxh5 12. e4 0-0 13. Nxh5 Bxe6 14. Nxg7 Kxg7 15. Be3 Nxe4 16. Nxe4 fxe4 17. Bxe4 Bf5 18. Bxf5 Qa5+ 19. c3 Qxf5 20. Qd4+ Kg8 21. 0-0-0 Rae8 22. Qxa7 Rf7 23. Rd4 Qe6 24. Qa4 c5 25. Rxd6 Qxd6 26. Qxe8+ Rf8 27. Qh5 b6 28. Bf4 Qe6 29. Qg5+ Kf7 30. Qh5+ Kg8 31. Qg5+ Kf7 32. Qh5+ Kg8 33. Qg5+ 1/2-1/2

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2019.10.13"]
[Round "2.7"]
[White "Groffen, Hans"]
[Black "Goormachtigh, Johan"]
[Result "1/2-1/2"]
[ECO "D97"]
[WhiteElo "2067"]
[BlackElo "2187"]
[PlyCount "30"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures Ghent"]
[BlackTeam "KGSRL"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 0-0 7. e4 c6 8. Be2 b5 9. Qb3 Be6 10. Qc2 Na6 11. a3 Qb6 12. b4 Nc7 13. Bf4 a5 14. 0-0 Rfc8 15. h3 Qb7 1/2-1/2

[Event "BEL-chT 1920"]
[Site "Belgium"]
[Date "2019.09.29"]
[Round "1.7"]
[White "Capone, Nicola"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2300"]
[BlackElo "2067"]
[PlyCount "75"]
[EventDate "2019.09.29"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]
[WhiteTeam "Fontaine"]
[BlackTeam "Jean Jaures Ghent"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Be2 c5 8. 0-0 cxd4 9. Qxd4 Qxd4 10. Nxd4 a6 11. Bf4 Bd7 12. Bf3 0-0-0 13. Nb3 Bc6 14. Bxc6 bxc6 15. Na5 Nh5 16. Be3 Kc7 17. Nc4 Rd5 18. Rfd1 Be7 19. a4 g5 20. Bd2 Nf4 21. Ne3 Rd7 22. Ba5+ Kc8 23. Nc4 Nd5 24. Ne5 Rb7 25. Nxc6 Bf6 26. c4 Nf4 27. Rab1 Rd7 28. Rxd7 Kxd7 29. Nb4 Rc8 30. g3 Ne2+ 31. Kf1 Nd4 32. b3 Ke8 33. Nxa6 Nf3 34. Ke2 g4 35. Nc7+ Kf8 36. Nb5 Kg8 37. Bb6 Bd8 38. a5 1-0

[Event "Karlsruhe Grenke op"]
[Site "Karlsruhe"]
[Date "2019.04.18"]
[Round "1"]
[White "Groffen, Hans"]
[Black "Dann, Matthias"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2126"]
[BlackElo "2520"]
[PlyCount "96"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 a6 7. g4 Nbd7 8. Qd2 c5 9. Nge2 Qa5 10. g5 Nh5 11. Rd1 e6 12. a3 f5 13. exf5 gxf5 14. f4 b5 15. Bg2 Rb8 16. Bf3 Bb7 17. d5 Bxc3 18. Qxc3 Qxc3+ 19. Nxc3 Ng7 20. cxb5 axb5 21. Nxb5 Bxd5 22. Bxd5 exd5 23. Nxd6 d4 24. Bc1 Nb6 25. b4 cxb4 26. axb4 Ne6 27. 0-0 Rbd8 28. Nb7 Rd5 29. Rfe1 Kf7 30. Nc5 Nxc5 31. bxc5 Na4 32. Re5 Rxe5 33. fxe5 Nc3 34. Rd2 Ke6 35. Bb2 Rc8 36. Kg2 Kxe5 37. Kf3 Rxc5 38. h4 Rb5 39. h5 Rb3 40. Kg2 Ne4 41. Bxd4+ Kf4 42. Rc2 Kxg5 43. Rc7 h6 44. Rf7 Rg3+ 45. Kf1 Rd3 46. Be5 Rd5 47. Rg7+ Kxh5 48. Bf4 Ng5 0-1

[Event "NED-chT 1819"]
[Site "Netherlands"]
[Date "2019.04.13"]
[Round "8.9"]
[White "Groffen, Hans"]
[Black "Reichardt, Robin"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2115"]
[BlackElo "2061"]
[PlyCount "55"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "En Passant"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e3 b5 6. a4 Bb4 7. Bd2 a5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. bxc4 b4 12. Bb2 Nf6 13. Bd3 0-0 14. 0-0 Nbd7 15. Qc2 Qc7 16. h3 Bxf3 17. gxf3 e5 18. c5 exd4 19. Bxd4 Ne5 20. Be2 Qe7 21. Qf5 Nfd7 22. Rfd1 g6 23. Qe4 Rfe8 24. f4 Qh4 25. Qg2 a4 26. fxe5 a3 27. Bb5 Rad8 28. c6 1-0

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.04.07"]
[Round "11.7"]
[White "Groffen, Hans"]
[Black "Paul, Bernard"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2115"]
[BlackElo "1830"]
[PlyCount "87"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "Boitsfort"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 Bb7 6. Nc3 Qa5 7. Nge2 Nxd5 8. e4 Nxc3 9. Nxc3 Bxe4 10. Bd2 Bb7 11. a4 Qd8 12. Be2 e6 13. Bf3 d5 14. Bf4 Bd6 15. Qd2 0-0 16. 0-0 Qc7 17. Bg3 Nd7 18. Rac1 Bxg3 19. hxg3 Nf6 20. b4 c4 21. bxa6 Bxa6 22. Rfd1 Rfb8 23. g4 h6 24. b5 Bb7 25. g5 hxg5 26. Qxg5 Nh7 27. Qe3 Nf6 28. Ra1 Nd7 29. Be2 Nc5 30. Ra2 Nb3 31. g4 d4 32. Rxd4 Nxd4 33. Qxd4 Rd8 34. Qe3 Qe7 35. g5 Qb4 36. Bf1 Rd7 37. g6 Rad8 38. a5 Qe7 39. a6 Ba8 40. b6 Bc6 41. Qg3 Rd4 42. b7 e5 43. Rb2 Rb8 44. a7 1-0

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.03.31"]
[Round "10.8"]
[White "Groffen, Hans"]
[Black "Goormachtigh, Johan"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2115"]
[BlackElo "2165"]
[PlyCount "70"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "KGSRL"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Qd2 cxd4 9. cxd4 Nc6 10. Nf3 Bg4 11. Bb5 Bxf3 12. gxf3 0-0 13. Bxc6 bxc6 14. Rc1 Qd7 15. 0-0 Qh3 16. Rxc6 Qxf3 17. Qc2 Qg4+ 18. Kh1 Qf3+ 19. Kg1 Rad8 20. Rc7 Qg4+ 21. Kh1 Qf3+ 22. Kg1 Bxd4 23. Bxd4 Rxd4 24. Rxe7 Qg4+ 25. Kh1 Qf3+ 26. Kg1 Rfd8 27. Qb3 Rd3 28. Qb5 Qg4+ 29. Kh1 Qf3+ 30. Kg1 a6 31. Qc6 Qg4+ 32. Kh1 Rd1 33. Re8+ Kg7 34. Qc3+ Kh6 35. Qe3+ g5 0-1

[Event "NED-chT 1819"]
[Site "Netherlands"]
[Date "2019.03.16"]
[Round "7.9"]
[White "Van der Lende, Ilias"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2331"]
[BlackElo "2115"]
[PlyCount "45"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Kennemer Combinatie"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. 0-0 cxd4 9. Nxd4 Bc5 10. Nf3 0-0 11. a3 b6 12. Bf4 Bb7 13. Qe2 Bd6 14. Ne5 Qc7 15. Rad1 Rad8 16. Rfe1 Nd5 17. Bg3 Qe7 18. c4 Nf6 19. Bh4 Bxe5 20. Qxe5 Rd7 21. Bxf6 gxf6 22. Qh5 Rxd3 23. Rxd3 1-0

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.02.10"]
[Round "7.6"]
[White "Schuh, Dirk"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2392"]
[BlackElo "2115"]
[PlyCount "102"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "KSK47 Eynatten"]
[BlackTeam "Jean Jaures"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. Nf3 d5 3. Nc3 d4 4. Ne2 c5 5. c3 Nf6 6. e5 Nfd7 7. cxd4 cxd4 8. Nexd4 Nxe5 9. Bb5+ Nec6 10. 0-0 Bd7 11. Nc2 Bd6 12. d4 Ne7 13. Bd3 Nd5 14. Ne5 Nc6 15. Qh5 Nxe5 16. dxe5 Be7 17. Be4 Qa5 18. Rd1 Bc6 19. Nd4 g6 20. Qh3 Qc7 21. Qg3 Rd8 22. Bh6 Bf8 23. Bg5 Be7 24. Bh6 Bf8 25. Bg5 Be7 26. Rac1 Bxg5 27. Qxg5 Qb6 28. h4 h6 29. Qg4 h5 30. Qg5 Kd7 31. Nxc6 bxc6 32. Qf6 Rhf8 33. Rc2 Rc8 34. Bxd5 cxd5 35. Rxc8 Kxc8 36. Qe7 Qd8 37. Qxa7 Qc7 38. Qa8+ Qb8 39. Rc1+ Kd7 40. Qa4+ Ke7 41. Qa3+ Kd7 42. Qa4+ Ke7 43. Qa6 Rd8 44. f4 Kf8 45. b3 Qb4 46. Qa7 Qd2 47. Rf1 Rc8 48. Qf2 Qd3 49. Qf3 Qd2 50. Qf2 Qd3 51. Qf3 Qd2 1/2-1/2

[Event "NED-chT 1819"]
[Site "Netherlands"]
[Date "2019.02.09"]
[Round "6.6"]
[White "Roobol, Martin"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2243"]
[BlackElo "2115"]
[PlyCount "71"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Leiden LSG"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. g3 b6 8. Bb5+ Bd7 9. a4 c6 10. Be2 c5 11. Ne5 cxd4 12. Nxd7 Nxd7 13. Qxd4 Qf6 14. Qxf6 gxf6 15. 0-0 Bc5 16. Rd1 Ke7 17. Bd2 a5 18. c3 Rhc8 19. Be1 Ne5 20. Kg2 f5 21. b4 Bd6 22. Ra2 Rd8 23. h3 f4 24. Rd4 Nc6 25. Rc4 Ne5 26. Rxf4 Nd3 27. Bxd3 Bxf4 28. Be4 Be5 29. Bxa8 Rxa8 30. c4 axb4 31. Bxb4+ Bd6 32. Bd2 Rc8 33. Be3 Bc5 34. Bf4 Bb4 35. Be3 Bc5 36. Bf4 1/2-1/2

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2019.02.03"]
[Round "6.8"]
[White "Groffen, Hans"]
[Black "Grochal, Joey"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2115"]
[BlackElo "2309"]
[PlyCount "96"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "Wachtebeke"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Bd2 f5 9. d5 Bf6 10. Rc1 Na6 11. Be1 Nac5 12. Nd4 Re8 13. Nxe4 Nxe4 14. f3 Nd6 15. b3 exd5 16. f4 dxc4 17. Bxb7 Nxb7 18. bxc4 Nd6 19. c5 bxc5 20. Rxc5 g6 21. Qb3+ Kg7 22. Rd5 Rb8 23. Qd3 Qe7 24. Bf2 Qe4 25. Qxe4 Rxe4 26. Rc1 Rb7 27. a4 Kf7 28. Kf1 Bxd4 29. Bxd4 Ke6 30. Re5+ Rxe5 31. Bxe5 c6 32. Bd4 a6 33. e3 Rb4 34. Ra1 Ne4 35. Ra2 c5 36. Bg7 Rb1+ 37. Ke2 Rh1 38. Kf3 Rf1+ 39. Kg2 Rd1 40. Kf3 h5 41. Rb2 Rd2 42. Rxd2 Nxd2+ 43. Ke2 Ne4 44. Kd3 Kd5 45. Bb2 c4+ 46. Kc2 Nc5 47. a5 Na4 48. Bd4 Kc6 0-1

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2019.01.06"]
[Round "10"]
[White "Boswell, Jacob Connor"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1858"]
[BlackElo "2121"]
[PlyCount "34"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. dxc5 Bxc5 9. Qe2 0-0 10. 0-0 b6 11. Bg5 Bb7 12. Rad1 Qc7 13. Bxf6 gxf6 14. Be4 Rfd8 15. c3 Bxe4 16. Qxe4 Rxd1 17. Rxd1 Rd8 1/2-1/2

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2019.01.05"]
[Round "9"]
[White "Groffen, Hans"]
[Black "Fryer, David William"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2121"]
[BlackElo "1932"]
[PlyCount "43"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bf5 6. e3 c6 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 11. Nh4 0-0-0 12. f4 h5 13. a3 Re8 14. Kf2 Nb6 15. b4 Kb8 16. Be2 Be4 17. Nxe4 dxe4 18. Nf5 h4 19. g4 Nd5 20. h3 Ne7 21. Nd6 Nd5 22. Nxe8 1-0

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2019.01.04"]
[Round "8"]
[White "Byrn, Carsten"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "1961"]
[BlackElo "2121"]
[PlyCount "71"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Nc3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 d6 7. Bg5 Be7 8. e3 0-0 9. Ng2 h6 10. Bxf6 Bxf6 11. h4 Ne7 12. Nf4 c6 13. Qb3 Qe8 14. h5 Qf7 15. Be2 Bg5 16. 0-0-0 a6 17. Kb1 b5 18. cxb5 Qxb3 19. axb3 axb5 20. b4 d5 21. Kc2 Bd7 22. Ra1 Rfb8 23. Ra3 Rxa3 24. bxa3 Nc8 25. Ra1 Be7 26. Nb1 Ra8 27. Kb2 Nb6 28. Nc3 Kf7 29. Rg1 Bd6 30. Ra1 Kf6 31. Kb3 Be8 32. a4 bxa4+ 33. Nxa4 c5 34. Nxb6 Rxa1 35. Nfxd5+ Ke6 36. dxc5 1/2-1/2

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2019.01.03"]
[Round "7"]
[White "Groffen, Hans"]
[Black "Rice, Christopher"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "2121"]
[BlackElo "1998"]
[PlyCount "76"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 Nc6 7. Nf3 e5 8. d5 Ne7 9. Nd2 Ne8 10. Qc2 f5 11. f3 Nf6 12. 0-0-0 c5 13. dxc6 bxc6 14. Nb3 Qc7 15. Kb1 a5 16. Na4 Rb8 17. Bd2 fxe4 18. Bxa5 Qa7 19. Qd2 Nf5 20. c5 d5 21. Nb6 Be6 22. Qc1 Qf7 23. Bd2 exf3 24. gxf3 Nh5 25. Rhe1 Nh4 26. Na5 Ng2 27. Rg1 Ngf4 28. Bf1 Bf5+ 29. Ka1 Qe6 30. Bxf4 Nxf4 31. Nac4 Bh3 32. Ne3 Bxf1 33. Rgxf1 Rf7 34. Qc2 Qe7 35. Rc1 Ne6 36. Qa4 Nd4 37. Ng4 Qe6 38. Rc3 Qxg4 0-1

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2019.01.02"]
[Round "6"]
[White "Derakhshani, Borna"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2322"]
[BlackElo "2121"]
[PlyCount "55"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 c5 4. e3 e6 5. c3 Bd6 6. Bg3 0-0 7. Nbd2 b6 8. Ne5 Ba6 9. Bxa6 Nxa6 10. Bh4 Nb8 11. f4 Be7 12. Bxf6 Bxf6 13. 0-0 Bxe5 14. fxe5 Qg5 15. Qe2 f5 16. exf6 Rxf6 17. Nf3 Qh5 18. Qb5 c4 19. Ne5 h6 20. e4 dxe4 21. Qxc4 Qe8 22. Qc7 Na6 23. Qb7 Qc8 24. Qxe4 Qe8 25. Rxf6 gxf6 26. Ng4 f5 27. Nxh6+ Kh7 28. Nxf5 1-0

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2019.01.01"]
[Round "5"]
[White "Groffen, Hans"]
[Black "Cherniaev, Alexander"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2121"]
[BlackElo "2390"]
[PlyCount "68"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. e4 Bb7 4. Bd3 Nc6 5. Ne2 Nb4 6. Nbc3 Nxd3+ 7. Qxd3 d6 8. 0-0 Ne7 9. f4 g6 10. d5 Bg7 11. Be3 0-0 12. Bd4 e5 13. fxe5 dxe5 14. Bf2 c5 15. Bh4 f6 16. Rad1 Rf7 17. Kh1 Qd7 18. Ng1 h6 19. Nf3 f5 20. Bxe7 Qxe7 21. g3 Raf8 22. Nh4 Qg5 23. Kg1 Bc8 24. Nf3 Qh5 25. Nd2 f4 26. d6 Bh3 27. Nd5 Kh7 28. Rde1 Rd8 29. Rf2 Rxd6 30. Nf1 g5 31. Nxf4 exf4 32. Qxd6 Bd4 33. Ree2 Qxe2 34. Qxd4 Qxf1+ 0-1

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2018.12.31"]
[Round "4"]
[White "Groffen, Hans"]
[Black "Ratnesan, Rajeiv"]
[Result "1-0"]
[ECO "A81"]
[WhiteElo "2121"]
[BlackElo "1652"]
[PlyCount "105"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. Nf4 c6 6. h4 d6 7. Nc3 e5 8. dxe5 dxe5 9. Qxd8+ Kxd8 10. Nd3 Nbd7 11. e4 Nxe4 12. Bxe4 fxe4 13. Nxe4 Kc7 14. h5 b6 15. hxg6 hxg6 16. Rxh8 Bxh8 17. Bg5 Bb7 18. Be7 Re8 19. Bd6+ Kd8 20. Ba3 Kc7 21. Nd6 Re6 22. Nxb7 Kxb7 23. 0-0-0 Bg7 24. b3 Kc7 25. Rh1 c5 26. Rh7 Bf6 27. Kd1 Re7 28. Rh6 Nf8 29. Bb2 Bg7 30. Rh4 Kd6 31. Re4 Nd7 32. Ke2 Bf6 33. f3 Bg7 34. Rg4 Nf8 35. Bc1 Re6 36. Nf2 Re7 37. Bd2 Re6 38. b4 Nd7 39. b5 Nf8 40. Bg5 Nh7 41. Bd2 Nf8 42. Ne4+ Kc7 43. Nc3 Kd6 44. a4 Kc7 45. Nd5+ Kb7 46. c4 Rd6 47. Kf2 Re6 48. a5 Rd6 49. a6+ Kb8 50. Bc3 Re6 51. f4 Nd7 52. f5 Rd6 53. Kg2 1-0

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2018.12.30"]
[Round "3"]
[White "Graham, David Bruce"]
[Black "Groffen, Hans"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2191"]
[BlackElo "2121"]
[PlyCount "102"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. Nxf6+ Nxf6 8. Be3 cxd4 9. Bxd4 Bd6 10. Bb5+ Bd7 11. Bxf6 gxf6 12. Bxd7+ Qxd7 13. Qd4 Be7 14. Qxd7+ Kxd7 15. 0-0-0+ Kc7 16. Ne1 f5 17. f4 Bf6 18. Nf3 Rhg8 19. g3 Rad8 20. Rxd8 Rxd8 21. Re1 Rd5 22. Re3 Kc6 23. c3 a5 24. Kc2 b5 25. Rd3 Rc5 26. Nd4+ Bxd4 27. Rxd4 Kc7 28. Kd3 Rc6 29. b3 f6 30. a3 Rd6 31. c4 bxc4+ 32. Kxc4 Rxd4+ 33. Kxd4 Kd6 34. Kc4 e5 35. b4 axb4 36. Kxb4 e4 37. Kc4 h5 38. Kd4 Kc6 39. h3 Kb5 40. g4 fxg4 41. hxg4 hxg4 42. Kxe4 f5+ 43. Kxf5 g3 44. Ke6 g2 45. f5 g1Q 46. f6 Qg8+ 47. Ke7 Kc6 48. f7 Qg5+ 49. Ke8 Qe5+ 50. Kf8 Kd7 51. Kg8 Qg5+ 0-1

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2018.12.29"]
[Round "2"]
[White "Groffen, Hans"]
[Black "Fowler, David W"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2121"]
[BlackElo "1929"]
[PlyCount "45"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Bf5 8. Qf3 Bh7 9. Bxf6 Qxf6 10. Qxf6 gxf6 11. Nge2 Bd6 12. Ng3 Nd7 13. 0-0-0 0-0-0 14. Bd3 Bxd3 15. Rxd3 Rhg8 16. Nf5 Nb6 17. Nxh6 Rxg2 18. Nxf7 Rd7 19. Nxd6+ Rxd6 20. Rd2 Nc4 21. Rc2 Re6 22. b3 Nd6 23. Nxd5 1-0

[Event "Hastings Masters op 94th"]
[Site "Hastings"]
[Date "2018.12.28"]
[Round "1"]
[White "Taylor, Adam C"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2356"]
[BlackElo "2121"]
[PlyCount "39"]
[EventDate "2018.12.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ENG"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 d6 7. Nd5 g6 8. Bg5 Bg7 9. e3 0-0 10. Ng2 Ne7 11. h4 c6 12. Nxe7+ Qxe7 13. Nf4 Be6 14. h5 Bf7 15. g4 fxg4 16. hxg6 hxg6 17. Qxg4 d5 18. Bxf6 Qxf6 19. Qh3 Be8 20. Be2 1-0

[Event "NED-chT 1819"]
[Site "Netherlands"]
[Date "2018.12.15"]
[Round "5.8"]
[White "Groffen, Hans"]
[Black "Mollema, Thomas"]
[Result "1/2-1/2"]
[ECO "E43"]
[WhiteElo "2115"]
[BlackElo "2251"]
[PlyCount "43"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Calder HMC"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. f3 c5 6. a3 Ba5 7. Rb1 Na6 8. Bd3 cxd4 9. exd4 Bxc3+ 10. bxc3 Nc7 11. Bg5 Ba6 12. Ne2 h6 13. Bh4 0-0 14. 0-0 Re8 15. c5 bxc5 16. dxc5 Qe7 17. Bf2 Rab8 18. Bxa6 Rxb1 19. Qxb1 Nxa6 20. Qb5 Nb8 21. Nd4 a6 22. Qa5 1/2-1/2

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2018.11.18"]
[Round "4.8"]
[White "Huesmann, Thomas"]
[Black "Groffen, Hans"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2154"]
[BlackElo "2115"]
[PlyCount "94"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "KSK Rochade"]
[BlackTeam "Jean Jaures"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Bd7 5. Nf3 a6 6. Bd3 cxd4 7. cxd4 Nc6 8. 0-0 Qb6 9. Nbd2 Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Be3 Bc5 13. Bxc5 Qxc5 14. Rc1 Qb6 15. Qe2 Ne7 16. Rfe1 Bb5 17. Bxb5+ axb5 18. a3 0-0 19. Qd3 Rac8 20. Ng5 Nf5 21. Nf3 Rc4 22. b3 Rc5 23. g4 Ne7 24. Ng5 Ng6 25. h4 h6 26. Nf3 Rfc8 27. Qe3 Qc7 28. Rxc5 Qxc5 29. h5 Ne7 30. Qxc5 Rxc5 31. Re3 Nc6 32. Kg2 Kf8 33. Kg3 Ke7 34. Kf4 Rc2 35. Kg3 f6 36. exf6+ gxf6 37. Rd3 Ra2 38. b4 Rc2 39. Rb3 d4 40. Kg2 Kd6 41. Rb1 Kd5 42. Ra1 e5 43. Nh4 e4 44. Kf1 Ne5 45. g5 fxg5 46. Nf5 Ng4 47. Kg1 Ke5 0-1

[Event "NED-chT 1819"]
[Site "Netherlands"]
[Date "2018.11.03"]
[Round "3.10"]
[White "Groffen, Hans"]
[Black "Van der Heijden, Ton"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2115"]
[BlackElo "2308"]
[PlyCount "68"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "BSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 Bg7 7. Nf3 0-0 8. a4 Bb7 9. Ra3 e6 10. dxe6 fxe6 11. Qd6 axb5 12. Bxb5 Bxf3 13. gxf3 Qc8 14. 0-0 Ne8 15. Qg3 Nc6 16. Ne4 Ne5 17. f4 Nf7 18. Nd2 d5 19. e4 Ned6 20. e5 Nxb5 21. axb5 Qb7 22. Qg4 Qb6 23. Nb1 Nh6 24. Qe2 Nf5 25. Be3 d4 26. Bd2 Rab8 27. Ra5 Qb7 28. Na3 Qd5 29. Qc4 Qf3 30. Qxe6+ Kh8 31. Qc6 Nh4 32. Nc4 Qg4+ 33. Kh1 Nf3 34. Ra3 Qh3 0-1

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2018.10.07"]
[Round "2.8"]
[White "Boucquet, Emile"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2176"]
[BlackElo "2115"]
[PlyCount "81"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "KBSK Brugge"]
[BlackTeam "Jean Jaures"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 c5 8. 0-0 cxd4 9. Nxd4 Bc5 10. c3 Bd7 11. Bf4 Bxd4 12. cxd4 Bc6 13. Be5 Qd5 14. f3 Bb5 15. Bxb5+ Qxb5 16. Bxf6 gxf6 17. Qd2 Rd8 18. f4 f5 19. Rf3 Qd5 20. Rd3 0-0 21. b3 Rd7 22. Re1 Rfd8 23. Qf2 f6 24. Qh4 Rg7 25. Qf2 Kh8 26. Rc1 b6 27. g3 Qe4 28. Re3 Qd5 29. Rec3 Rgd7 30. Rc7 Rxc7 31. Rxc7 Rd7 32. Rxd7 Qxd7 33. Qb2 Kg7 34. Qc3 Kg6 35. Qc4 h5 36. h4 Kf7 37. Kf2 Kg6 38. Ke3 Qd5 39. Qxd5 exd5 40. Kd3 a5 41. b4 1-0

[Event "NED-chT 1819"]
[Site "Netherlands"]
[Date "2018.10.06"]
[Round "2.9"]
[White "Zimmermann, Luc"]
[Black "Groffen, Hans"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2183"]
[BlackElo "2115"]
[PlyCount "68"]
[EventDate "2018.09.15"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "Zuid Limburg"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 Nxe4 7. Bxe4 c5 8. 0-0 Nf6 9. Bd3 cxd4 10. Nxd4 Bc5 11. Nf3 Qc7 12. a3 Bd6 13. c4 b6 14. b4 Bb7 15. Bb2 Rd8 16. Qe2 Bxf3 17. Qxf3 Bxh2+ 18. Kh1 Be5 19. Bxe5 Qxe5 20. Qc6+ Ke7 21. Qf3 Rd4 22. g3 Rhd8 23. Be2 Qe4 24. Kg2 Qxf3+ 25. Kxf3 Ne4 26. Rh1 h6 27. Rac1 f5 28. Ke3 e5 29. Rhd1 g5 30. Kf3 Nd2+ 31. Kg2 f4 32. Rh1 e4 33. Bg4 f3+ 34. Kg1 e3 0-1

[Event "BEL-chT 1819"]
[Site "Belgium"]
[Date "2018.09.30"]
[Round "1.8"]
[White "Groffen, Hans"]
[Black "Memeti, Kastriot"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2115"]
[BlackElo "2152"]
[PlyCount "59"]
[EventDate "2018.09.30"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "Echiquier Mosan"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nf3 Nf6 5. Nc3 b6 6. g3 Ba6 7. Qb3 0-0 8. Bg2 Nc6 9. a3 Bxc3 10. Bxc3 d5 11. Qa4 Bb7 12. 0-0 Ne4 13. Rac1 a5 14. Rfd1 Na7 15. Nd2 Bc6 16. Qc2 f5 17. cxd5 exd5 18. Nf3 f4 19. Be1 Rac8 20. Ne5 Ba8 21. Qb3 Kh8 22. gxf4 Rxf4 23. Rd3 Qg5 24. e3 Rf6 25. f4 Qf5 26. Qd1 Nb5 27. Rb3 Nbd6 28. Qf3 Rcf8 29. Rxc7 Nc4 30. Qg4 1-0

[Event "NED-chT 1617"]
[Site "Netherlands"]
[Date "2017.05.06"]
[Round "9.10"]
[White "Groffen, Hans"]
[Black "Zelbel, Patrick"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2179"]
[BlackElo "2446"]
[PlyCount "68"]
[EventDate "2016.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "SISSA"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 Re8 6. a3 Bf8 7. Ng3 d5 8. cxd5 exd5 9. Bd3 c5 10. 0-0 Nc6 11. dxc5 Bxc5 12. b4 Bd6 13. Nf5 Bxf5 14. Bxf5 Ne7 15. Bh3 Bxh2+ 16. Kxh2 Qc7+ 17. g3 Qxc3 18. Ra2 Rad8 19. Rc2 Qe5 20. Bb2 Qd6 21. Qc1 Nc6 22. Rd1 Ne4 23. Bg2 Qg6 24. b5 Na5 25. Bd4 b6 26. Bf1 h5 27. Bd3 Qg4 28. Be2 Qf5 29. f4 Nf2 30. Kg2 Nb3 31. Qb2 Nxd1 32. Bxd1 Nxd4 33. Qxd4 Rc8 34. Rd2 Qe4+ 0-1

[Event "NED-chT 1617"]
[Site "Netherlands"]
[Date "2016.12.17"]
[Round "5.8"]
[White "Kabatianski, Alexander"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2394"]
[BlackElo "2179"]
[PlyCount "110"]
[EventDate "2016.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Apeldoorn"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Qa4+ Nc6 5. Qxc4 e5 6. dxe5 Be6 7. Qa4 Nd5 8. a3 Be7 9. e3 a6 10. Be2 Qd7 11. Qc2 0-0 12. 0-0 Rad8 13. e4 Nb6 14. Rd1 Qc8 15. Rxd8 Rxd8 16. h3 f5 17. exf6 Bxf6 18. Be3 Qd7 19. Nbd2 Qf7 20. Rc1 Rd7 21. b4 Qg6 22. Kh1 Nd4 23. Nxd4 Bxd4 24. Bxd4 Rxd4 25. Nf3 Rd8 26. Rd1 Rxd1+ 27. Qxd1 Qf6 28. Kg1 h6 29. Nd4 Bd7 30. Qb3+ Kh8 31. Qe3 Nc8 32. f4 Ne7 33. e5 Qb6 34. Bf3 Be6 35. Kf2 Bd5 36. f5 Bxf3 37. Kxf3 c5 38. bxc5 Qxc5 39. f6 Qd5+ 40. Kf2 gxf6 41. exf6 Ng8 42. Kg1 Qf7 43. Nf5 Qxf6 44. g4 h5 45. Kg2 hxg4 46. hxg4 Kh7 47. Kh3 Nh6 48. Ng3 Nf7 49. Qe4+ Kg8 50. Qxb7 Qh6+ 51. Nh5 Qe3+ 52. Kg2 Qe2+ 53. Kg3 Qe1+ 54. Kg2 Qe2+ 55. Kg3 Qe1+ 1/2-1/2

[Event "NED-chT 1617"]
[Site "Netherlands"]
[Date "2016.11.26"]
[Round "4.9"]
[White "Schippers, Maurice"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2234"]
[BlackElo "2179"]
[PlyCount "63"]
[EventDate "2016.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Groningen Combinatie"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. Nf4 Nxd4 10. Qh5+ Ke7 11. Ng6+ hxg6 12. exf6+ Nxf6 13. Qxh8 Kf7 14. 0-0 e5 15. Nb3 Nxb3 16. axb3 Bf5 17. Bb1 Qb6 18. Bg5 Rc8 19. Bxf6 Kxf6 20. Bxf5 gxf5 21. Rac1 Rd8 22. Rfd1 d4 23. Rd3 e4 24. Rg3 Kf7 25. Qh7 Rd5 26. Rg5 Qf6 27. Rc7+ Be7 28. Rxg7+ Qxg7 29. Rxe7+ Kxe7 30. Qxg7+ Kd6 31. Qh6+ Kd7 32. Kf1 1-0

[Event "NED-chT 1617"]
[Site "Netherlands"]
[Date "2016.10.08"]
[Round "2.8"]
[White "Groffen, Hans"]
[Black "Kerkvliet, Maximiliaan"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2179"]
[BlackElo "2202"]
[PlyCount "73"]
[EventDate "2016.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Kennemer Combinatie"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 4. e3 c5 5. dxc5 Bxc5 6. Nf3 0-0 7. Bd3 Nc6 8. Ne5 Bd6 9. Nxc6 bxc6 10. Bxd6 Qxd6 11. 0-0 Rb8 12. b3 Nd7 13. Na4 f5 14. c4 f4 15. exf4 Rxf4 16. Qc2 Rh4 17. g3 Rh6 18. Rac1 Ne5 19. Be2 dxc4 20. Rcd1 Qc7 21. bxc4 c5 22. Qd2 Bd7 23. Nc3 Bc6 24. f4 Nf7 25. Bf3 Rd8 26. Qe3 Rxd1 27. Rxd1 Bxf3 28. Qxf3 Nd6 29. Qd3 e5 30. fxe5 Nf7 31. Qf5 g6 32. Qf4 Qxe5 33. Rd8+ Kg7 34. Qxe5+ Nxe5 35. Ra8 Nxc4 36. Rxa7+ Kf6 37. Ne4+ 1-0

[Event "NED-chT 1617"]
[Site "Netherlands"]
[Date "2016.09.17"]
[Round "1.10"]
[White "Senders, Mischa"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2319"]
[BlackElo "2179"]
[PlyCount "61"]
[EventDate "2016.09.17"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]
[WhiteTeam "Calder HMC"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Bg4 5. d4 Nc6 6. Nb5 Qd7 7. Bf4 0-0-0 8. Bxc7 Bxf3 9. gxf3 Qe6+ 10. Be2 Rd7 11. Bg3 a6 12. a4 h5 13. h4 Nh6 14. c3 Nf5 15. Na3 Nxg3 16. fxg3 Qg6 17. Kf2 e5 18. Nc4 Kb8 19. d5 Bc5+ 20. Kg2 Rhd8 21. Bd3 f5 22. Qb1 Rxd5 23. Bxf5 Rd2+ 24. Nxd2 Rxd2+ 25. Kh3 Qf6 26. Rh2 Rd8 27. b4 Ne7 28. bxc5 Nxf5 29. Qb6 Rd3 30. Rb1 Nd6 31. Rf2 1-0

[Event "Ghent Taminco op 39th"]
[Site "Ghent"]
[Date "2016.07.17"]
[Round "4"]
[White "Groffen, Hans"]
[Black "Alienkin, Aleksander"]
[Result "0-1"]
[ECO "A71"]
[WhiteElo "2179"]
[BlackElo "2387"]
[PlyCount "114"]
[EventDate "2016.07.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BEL"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 h6 9. Bh4 0-0 10. Nd2 Re8 11. Be2 a6 12. a4 Nbd7 13. 0-0 Qc7 14. Qc2 g5 15. Bg3 Ne5 16. Bxe5 Rxe5 17. Nc4 Re8 18. Ne3 Qe7 19. Bd3 Ng4 20. Nc4 Ne5 21. Nb6 Rb8 22. Be2 Nd7 23. Nxc8 Rbxc8 24. Bg4 Rb8 25. Bxd7 Qxd7 26. a5 b5 27. axb6 Rxb6 28. Ra2 Reb8 29. Re1 Qb7 30. Re2 Rb3 31. h3 Qb4 32. Ra4 Qb6 33. Ra2 Qd8 34. g3 h5 35. Nd1 Bd4 36. Kg2 Qf6 37. Ne3 Rxb2 38. Qd3 R8b3 39. Qxa6 Bxe3 40. Raxb2 Rxb2 41. fxe3 Qe5 42. Rxb2 Qxb2+ 43. Kf3 Qf6+ 44. Ke2 Kg7 45. Qc8 Qe5 46. Kf3 Qf6+ 47. Ke2 Qb2+ 48. Kf3 Qa1 49. Kf2 Qa2+ 50. Kf3 Qc4 51. Kf2 Qxe4 52. Qc6 Qe5 53. Kf3 Qf6+ 54. Ke2 g4 55. hxg4 hxg4 56. Kd3 Qf5+ 57. Kd2 Qf2+ 0-1

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2016.04.24"]
[Round "11.8"]
[White "Groffen, Hans"]
[Black "Plumanns, Dieter"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2152"]
[BlackElo "2013"]
[PlyCount "189"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "KSK Rochade"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bh4 Nbd7 7. cxd5 exd5 8. e3 Qa5 9. Bd3 Bb4 10. Qc2 0-0 11. 0-0 Re8 12. Bg3 Bxc3 13. bxc3 Ne4 14. c4 Nxg3 15. hxg3 dxc4 16. Bxc4 Nb6 17. Bd3 Be6 18. Rfc1 Rad8 19. Qb2 Qh5 20. a4 Bg4 21. a5 Nd5 22. Ne5 Rxe5 23. dxe5 Nxe3 24. Be4 Nd1 25. Qxb7 Qxe5 26. Qxc6 Qd4 27. Qc2 Nxf2 28. Qxf2 Qxe4 29. Qxa7 Rd2 30. Qf2 Rxf2 31. Kxf2 Qe2+ 32. Kg1 Be6 33. Re1 Qb2 34. Reb1 Qd4+ 35. Kh2 Bd5 36. Rb8+ Kh7 37. Rab1 Qd2 38. R1b2 Qxa5 39. Rf2 Be6 40. Rbb2 Qh5+ 41. Kg1 Qg4 42. Kh2 g5 43. Rbd2 h5 44. Rb2 h4 45. gxh4 Qxh4+ 46. Kg1 g4 47. Rb4 Qh5 48. Rff4 Kg6 49. Rbd4 Qc5 50. Kh1 g3 51. Rg4+ Kh5 52. Rh4+ Kg5 53. Rdg4+ Bxg4 54. Rxg4+ Kf6 55. Rxg3 Qc1+ 56. Kh2 Ke5 57. Rf3 f5 58. Rh3 Ke4 59. Rf3 Qh6+ 60. Kg1 Qb6+ 61. Kf1 Qb1+ 62. Kf2 Qc2+ 63. Kf1 Qd1+ 64. Kf2 Qd2+ 65. Kf1 Qh6 66. Kf2 Qh5 67. Re3+ Kf4 68. Rf3+ Kg5 69. Rg3+ Kf6 70. Rf3 Qh4+ 71. Kf1 Kg5 72. Rh3 Qc4+ 73. Kf2 Qd4+ 74. Kf1 Kg4 75. Rf3 Qd1+ 76. Kf2 Qd2+ 77. Kf1 f4 78. Rh3 Qc1+ 79. Kf2 Qd1 80. Rh2 Qd2+ 81. Kf1 Qd3+ 82. Kg1 Qg3 83. Rh3 Qe1+ 84. Kh2 Qe5 85. Rf3 Qe1 86. Rh3 Qf2 87. Ra3 Qh4+ 88. Kg1 Qe1+ 89. Kh2 Qe5 90. Rf3 Kg5 91. Kg1 Qe2 92. Rh3 Kg4 93. Kh2 Qd1 94. Ra3 Qc1 95. Rf3 1/2-1/2

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2016.04.23"]
[Round "9.3"]
[White "Van Foreest, Jorden"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2541"]
[BlackElo "2152"]
[PlyCount "47"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "SISSA"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 12. Bxd4 a6 13. Bxd7+ Bxd7 14. Rb3 Qe7 15. Rxb7 Rc8 16. f5 exf5 17. 0-0 Qa3 18. Nxd5 Bc5 19. Kh1 Bxd4 20. Qxd4 Bc6 21. Re7+ Kf8 22. e6 Be8 23. Ra7 Qd6 24. Nf6 1-0

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2016.04.17"]
[Round "10.6"]
[White "Van der Stricht, Geert"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "D25"]
[WhiteElo "2378"]
[BlackElo "2152"]
[PlyCount "51"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "KGSRL"]
[BlackTeam "Jean Jaures"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nc6 8. Bb5 Bd6 9. e4 Nd7 10. Be3 0-0 11. e5 Be7 12. g4 Bg6 13. h4 Bb4 14. Ng5 Nb6 15. Bxc6 bxc6 16. h5 Qd5 17. 0-0 Bxc3 18. hxg6 Bxb2 19. gxf7+ Rxf7 20. Rb1 Nc4 21. Qc2 g6 22. Nxf7 Kxf7 23. Rxb2 Nxb2 24. Qxb2 Qf3 25. Kh2 Qxg4 26. f3 1-0

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2016.02.13"]
[Round "6.5"]
[White "Bitalzadeh, Ali"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2400"]
[BlackElo "2152"]
[PlyCount "132"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Groningen Combinatie"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 h6 6. Nh3 g5 7. e3 Nf6 8. Qa4 Bg7 9. b4 0-0 10. c5 d5 11. cxd6 cxd6 12. b5 Ne7 13. Qb3+ d5 14. Ng1 Be6 15. h4 Kf7 16. Nh3 Kg6 17. f3 Qc7 18. Nf2 Rac8 19. Bd2 Kf7 20. Rc1 Qd6 21. Be2 Rc7 22. Qa4 Nc8 23. Ncd1 Nb6 24. Qb4 Qd7 25. Nh3 Rxc1 26. Bxc1 Qc7 27. hxg5 Qg3+ 28. Kf1 hxg5 29. Ba3 Re8 30. Qa5 exf3 31. gxf3 f4 32. Nhf2 fxe3 33. Nxe3 Bd7 34. Bc1 Qf4 35. Qxa7 Qxd4 36. Qa3 Nc4 37. Nxc4 dxc4 38. Qb4 Be6 39. Bb2 Qf4 40. Qc5 Rc8 41. Qa3 c3 42. Bc1 Qd4 43. Nh3 Bxh3+ 44. Rxh3 Bf8 45. Qb3+ Kg7 46. Rg3 g4 47. Rg2 Bc5 48. Qc4 Rh8 49. Qxd4 Bxd4 50. Ke1 Rh1+ 51. Bf1 Kf7 52. Rg3 Ke6 53. fxg4 Be5 54. Rh3 Rg1 55. Rh6 Kd5 56. Kf2 Bd4+ 57. Ke2 Nxg4 58. Rh1 Rxh1 59. Bg2+ Kc4 60. Bxh1 b6 61. Bc6 Ne5 62. Be8 Kb4 63. Bf4 Nc4 64. Kd3 Bf6 65. a3+ Nxa3 66. Bd6+ Kb3 1/2-1/2

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.06"]
[Round "2"]
[White "Groffen, Hans"]
[Black "Blees, Albert"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2151"]
[BlackElo "2399"]
[PlyCount "106"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Qe7 4. Nf3 Nf6 5. Nc3 b6 6. g3 Bb7 7. Bg2 0-0 8. 0-0 Bxc3 9. Bxc3 Ne4 10. Rc1 d6 11. Qd3 c5 12. Nd2 Nxc3 13. Qxc3 cxd4 14. Qxd4 Nc6 15. Qc3 Rac8 16. Qa3 Rfd8 17. Nf3 Na5 18. b3 Be4 19. Rfd1 Nc6 20. Nd4 Bxg2 21. Kxg2 d5 22. Qxe7 Nxe7 23. cxd5 Rxc1 24. Rxc1 Nxd5 25. Nc6 Ra8 26. Nxa7 Kf8 27. Rc8+ Rxc8 28. Nxc8 f5 29. Kf3 Ke8 30. Nd6+ Kd7 31. Nb5 g5 32. h3 h5 33. e3 e5 34. Ke2 Kc6 35. a4 Kc5 36. Kd3 Nf6 37. Nc7 Ne4 38. Na6+ Kd6 39. Ke2 h4 40. gxh4 gxh4 41. f4 exf4 42. exf4 Nc3+ 43. Kf3 Nd5 44. b4 Kc6 45. b5+ Kb7 46. Kf2 Nxf4 47. Nb4 Nxh3+ 48. Kf3 Ng5+ 49. Kg2 f4 50. Nd3 f3+ 51. Kh2 Kc7 52. Nb2 f2 53. Kg2 Ne4 0-1

[Event "Leiden Noteboom Memorial 76th"]
[Site "Leiden"]
[Date "2016.02.06"]
[Round "4"]
[White "Groffen, Hans"]
[Black "Schroer, Marcel"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2151"]
[BlackElo "2133"]
[PlyCount "106"]
[EventDate "2016.02.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. Nge2 Qa5 8. Nc1 cxd4 9. Nb3 Qh5 10. Nxd4 Nc6 11. Qd2 Nxd4 12. Bxd4 Be6 13. Be2 Rfc8 14. b3 Qa5 15. Rd1 a6 16. Na4 Qxd2+ 17. Rxd2 Nd7 18. Bxg7 Kxg7 19. 0-0 Rab8 20. f4 b5 21. Nb2 Nf6 22. Rd4 Rc7 23. f5 Bc8 24. g4 Bb7 25. fxg6 hxg6 26. Bf3 Nd7 27. cxb5 axb5 28. Nd3 Nc5 29. Nb4 Ne6 30. Rdd1 Ng5 31. Bg2 Nxe4 32. Rfe1 Nc5 33. Bd5 Rd8 34. Bxb7 Rxb7 35. Re3 e6 36. Rc3 Ne4 37. Re3 Nf6 38. g5 Nh5 39. Rc1 d5 40. Rec3 d4 41. Rc8 Rbd7 42. Rxd8 Rxd8 43. Nd3 Rd5 44. h4 e5 45. Rc7 e4 46. Nc5 Nf4 47. Nxe4 d3 48. Nd2 Re5 49. Rd7 Re2 50. Nf3 Rxa2 51. Ne5 d2 52. Rxf7+ Kg8 53. Rd7 Ra1+ 0-1

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2016.01.31"]
[Round "6.5"]
[White "Groffen, Hans"]
[Black "Cornelisse, Johnny JA"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2152"]
[BlackElo "2156"]
[PlyCount "63"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "Borgerhout"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Qc2 c6 7. e3 0-0 8. Bd3 h6 9. Bf4 Nbd7 10. Nf3 Re8 11. 0-0 Nf8 12. h3 Ne6 13. Bh2 a6 14. Rfd1 Bd7 15. a3 Bf8 16. b4 Ng5 17. Nd2 Bxh3 18. f4 Ng4 19. Nf1 Bd6 20. Re1 Qc7 21. Bg3 Re7 22. Nxd5 cxd5 23. Qxc7 Bxc7 24. fxg5 Bxg3 25. Nxg3 Nxe3 26. gxh3 hxg5 27. Kf2 Rae8 28. Nf5 Nxf5 29. Bxf5 g6 30. Bd7 Rxe1 31. Rxe1 Rd8 32. Re8+ 1-0

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.12.12"]
[Round "4.7"]
[White "Van Kerkhof, David"]
[Black "Groffen, Hans"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2319"]
[BlackElo "2152"]
[PlyCount "64"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]
[WhiteTeam "Calder HMC"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. c4 e5 2. g3 Nc6 3. Nc3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 d6 7. f3 exf3 8. Nxf3 g6 9. Bg2 Bg7 10. 0-0 0-0 11. Bf4 h6 12. d5 Ne7 13. Be3 g5 14. Nd4 Ng4 15. Qd2 Nxe3 16. Qxe3 Bxd4 17. Qxd4 Ng6 18. c5 a6 19. Rac1 Qe7 20. cxd6 cxd6 21. Na4 f4 22. Nb6 Rb8 23. e3 f3 24. Bxf3 Ne5 25. Bg2 Bg4 26. Nc4 Rxf1+ 27. Kxf1 Rf8+ 28. Kg1 Rc8 29. Rc3 Rxc4 30. Rxc4 Nxc4 31. Qxc4 Qxe3+ 32. Kf1 Bf5 0-1

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2015.11.29"]
[Round "5.8"]
[White "Groffen, Hans"]
[Black "Hafner, Christian"]
[Result "1/2-1/2"]
[ECO "D46"]
[WhiteElo "2152"]
[BlackElo "2091"]
[PlyCount "36"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 169 Extra"]
[Source "ChessBase"]
[SourceDate "2015.12.18"]
[SourceVersion "1"]
[SourceVersionDate "2015.12.18"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "Namur"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 h6 8. 0-0 0-0 9. b3 a6 10. h3 b5 11. cxd5 cxd5 12. Bb2 Bb7 13. Rac1 Qe7 14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4 Rac8 17. Qe2 Bxe4 18. Qxe4 Nf6 1/2-1/2

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2015.11.22"]
[Round "4.6"]
[White "Verlinde, Tieme"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2294"]
[BlackElo "2152"]
[PlyCount "81"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "KBSK Brugge"]
[BlackTeam "Jean Jaures"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ Kf8 11. Qxb4+ Qe7 12. Qxe7+ Kxe7 13. 0-0 Nf6 14. Nc3 Kd8 15. Rfe1 d6 16. Re3 h6 17. Rae1 Re8 18. Rxe8+ Nxe8 19. Nh4 c6 20. f4 b5 21. h3 a5 22. Kf2 Ra7 23. g4 Nf6 24. f5 Re7 25. Rxe7 Kxe7 26. Ng6+ Kf7 27. Ke3 Bd7 28. Ne4 Nxe4 29. Kxe4 Kf6 30. d5 c5 31. a3 Be8 32. Nf4 g6 33. Ne6 gxf5+ 34. gxf5 Bd7 35. Kf4 a4 36. h4 Bc8 37. Nd8 Ke7 38. Nc6+ Kf6 39. Nd8 Ke7 40. Nc6+ Kf6 41. Nd8 1/2-1/2

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2015.11.08"]
[Round "3.7"]
[White "Lai, Hing Ting"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "2334"]
[BlackElo "2152"]
[PlyCount "101"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Liege Crelel"]
[BlackTeam "Jean Jaures"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e5 2. g3 Nc6 3. Nc3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 d6 7. Bh3 g6 8. 0-0 Bg7 9. f3 exf3 10. exf3 0-0 11. d5 Ne5 12. b3 a5 13. Qc2 c6 14. dxc6 Qb6+ 15. Kh1 bxc6 16. Bg2 Bb7 17. Na4 Qc7 18. Be3 c5 19. Nc3 Rae8 20. Qd2 Bc6 21. Rad1 Rd8 22. f4 Neg4 23. Nd5 Bxd5 24. Bxd5+ Nxd5 25. Qxd5+ Qf7 26. Qxf7+ Kxf7 27. Bg1 Rfe8 28. Ng2 h6 29. Rd3 Nf6 30. Ne3 Ne4 31. Nd5 Rd7 32. Kg2 Rb7 33. a3 Reb8 34. Rb1 Ke6 35. Bf2 Bf6 36. Be1 Bd8 37. Kf3 h5 38. a4 Kd7 39. h3 Kc6 40. Ne3 Rh7 41. Nc2 g5 42. Ne3 g4+ 43. hxg4 hxg4+ 44. Nxg4 fxg4+ 45. Kxe4 Rbb7 46. Rbd1 Rh6 47. Bc3 Rf7 48. f5 Bc7 49. f6 Rg6 50. Kf5 Rg8 51. Ke6 1-0

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.11.07"]
[Round "3.9"]
[White "Groffen, Hans"]
[Black "Van Roon, Sjoerd"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2152"]
[BlackElo "1972"]
[PlyCount "53"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "Utrecht"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. Nh3 Nbc6 6. Nf4 d6 7. Be2 Bf5 8. a3 Qd7 9. Nd5 Ne7 10. Nbc3 c6 11. Nxe7 Bxe7 12. 0-0 g5 13. f4 Ng4 14. e4 d5 15. exf5 Bc5+ 16. Kh1 Nf2+ 17. Rxf2 Bxf2 18. cxd5 0-0-0 19. Qf1 Bb6 20. fxg5 cxd5 21. Bf4 Bc7 22. Nb5 Bxf4 23. Qxf4 Rdg8 24. Rc1+ Kd8 25. Qb8+ Ke7 26. f6+ Ke6 27. Bg4# 1-0

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2015.10.11"]
[Round "2.8"]
[White "Le Quang, Kim"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2236"]
[BlackElo "2152"]
[PlyCount "59"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]
[WhiteTeam "Fontaine"]
[BlackTeam "Jean Jaures"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. c4 e5 2. g3 Nc6 3. Nc3 f5 4. Nf3 Nf6 5. d4 e4 6. Nh4 g6 7. Bg5 Bg7 8. Nd5 0-0 9. Qd2 Ne7 10. Nxf6+ Bxf6 11. Bxf6 Rxf6 12. Ng2 b5 13. e3 bxc4 14. Bxc4+ d5 15. Be2 a5 16. h4 Rb6 17. Rc1 Ba6 18. Bxa6 Raxa6 19. Nf4 Qb8 20. Rc2 Rc6 21. 0-0 Rxc2 22. Qxc2 Rc6 23. Qd2 Qb4 24. Rd1 Qxd2 25. Rxd2 Kf7 26. Kf1 Rc1+ 27. Ke2 c6 28. Rd1 Rc2+ 29. Rd2 Rc1 30. Rd1 1/2-1/2

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.10.10"]
[Round "2.7"]
[White "Dardha, Arben"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2339"]
[BlackElo "2152"]
[PlyCount "83"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]
[WhiteTeam "Charlois Europoort"]
[BlackTeam "Sas van Gent"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 Qc7 12. Bg5 0-0 13. Nc3 a6 14. Rc1 Bd7 15. Re1 Rae8 16. Ne5 Re7 17. Na4 Be8 18. Nc5 Bh5 19. Qd2 Ree8 20. Nxa6 Qb6 21. Nxc6 bxc6 22. h3 e5 23. Nc5 Bxc5 24. Rxc5 Nd7 25. Rcc1 exd4 26. Rxe8 Rxe8 27. Qc2 h6 28. Bf4 c5 29. b3 Qf6 30. Bg3 Bf7 31. Bb5 Bg6 32. Qd2 Rd8 33. a4 Be4 34. a5 Qg6 35. a6 Nf6 36. Rxc5 Nh5 37. Kh2 Nxg3 38. fxg3 d3 39. Rc7 Qb6 40. Rb7 Qc5 41. Bxd3 Qd4 42. Qf4 1-0

[Event "BEL-chT 1516"]
[Site "Belgium"]
[Date "2015.09.27"]
[Round "1.8"]
[White "Groffen, Hans"]
[Black "Voicu Jagodzinsky, Carmen"]
[Result "0-1"]
[ECO "A72"]
[WhiteElo "2152"]
[BlackElo "2257"]
[PlyCount "128"]
[EventDate "2015.09.27"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "BEL"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]
[WhiteTeam "Jean Jaures"]
[BlackTeam "Wirtzfeld"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "BEL"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. e4 Bg7 8. Bg5 a6 9. Nd2 h6 10. Bh4 0-0 11. Be2 Re8 12. Qc2 b5 13. 0-0 Qc7 14. Rae1 Nbd7 15. a4 b4 16. Nd1 b3 17. Qb1 Rb8 18. Nc3 Rb4 19. Bg3 Nh7 20. Nc4 Ne5 21. Nxe5 Bxe5 22. Bxe5 dxe5 23. Qd1 Qd6 24. Bd3 Nf6 25. f3 Bd7 26. Qd2 Kg7 27. Ra1 Nh5 28. g3 Rd4 29. Ne2 Rb4 30. Nc3 Nf6 31. Qf2 Rd4 32. Rfd1 Rb8 33. f4 Bg4 34. Be2 Bxe2 35. Qxe2 Rbb4 36. Rf1 Nxe4 37. fxe5 Qxe5 38. Rae1 f5 39. Qxa6 h5 40. Qa7+ Kh6 41. Qf7 Qd6 42. Nb5 Rxb5 43. axb5 h4 44. Qe6 Rxd5 45. Qxd6 Rxd6 46. gxh4 Rb6 47. Rc1 Rxb5 48. Kg2 Rb4 49. Rf3 c4 50. Kh3 c3 51. Rcxc3 Nxc3 52. Rxc3 Kh5 53. Kg3 Rg4+ 54. Kf2 Rxh4 55. Rxb3 Rxh2+ 56. Kg3 Rd2 57. Kf4 Rd4+ 58. Kg3 g5 59. Rb8 Rd3+ 60. Kg2 Kg4 61. b4 Rd2+ 62. Kf1 Rb2 63. b5 Kf3 64. Kg1 g4 0-1

[Event "NED-chT 1516"]
[Site "Netherlands"]
[Date "2015.09.26"]
[Round "1.9"]
[White "Groffen, Hans"]
[Black "De Groote, Jesper"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "2152"]
[BlackElo "2168"]
[PlyCount "88"]
[EventDate "2015.09.26"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Sas van Gent"]
[BlackTeam "BSG"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 Ne4 7. Bxe7 Qxe7 8. cxd5 Nxc3 9. bxc3 exd5 10. Qb3 c6 11. Bd3 Bg4 12. Ne5 Be6 13. Rb1 f6 14. Nf3 b5 15. 0-0 Nd7 16. Qc2 g6 17. e4 Qf7 18. e5 Bg4 19. Rfe1 Rae8 20. Re3 fxe5 21. Nxe5 Nxe5 22. dxe5 Bf5 23. Bxf5 Qxf5 24. Qxf5 Rxf5 25. Rbe1 Kf7 26. g3 g5 27. Kg2 Ke6 28. f3 h5 29. Rf1 Ref8 30. Rfe1 a5 31. h3 Rb8 32. R3e2 c5 33. Re3 Rb6 34. h4 gxh4 35. f4 Rb8 36. Rf3 hxg3 37. Kxg3 Rg8+ 38. Kf2 d4 39. cxd4 cxd4 40. Rb1 Rg4 41. Rxb5 Rgxf4 42. Rxf4 Rxf4+ 43. Kg3 Re4 44. Rxa5 d3 0-1

[Event "Leiden Noteboom Memorial 75th"]
[Site "Leiden"]
[Date "2015.02.14"]
[Round "4"]
[White "Fridman, Daniel"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2648"]
[BlackElo "2182"]
[PlyCount "51"]
[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. Nf3 Nf6 3. c4 Bb4+ 4. Nc3 b6 5. Bd2 Bb7 6. e3 0-0 7. Bd3 Bxc3 8. Bxc3 Ne4 9. Rc1 f5 10. 0-0 d6 11. Be1 Nd7 12. Nd2 Qg5 13. f4 Qg6 14. Nxe4 Bxe4 15. Bxe4 fxe4 16. Qa4 Nf6 17. Bh4 Qe8 18. Qc2 Qg6 19. Bxf6 gxf6 20. f5 exf5 21. Rf4 Rae8 22. Rcf1 c5 23. Qc3 cxd4 24. Qxd4 Re5 25. Qxd6 Rfe8 26. b3 1-0

[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 "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.12"]
[Round "9"]
[White "Groffen, Hans"]
[Black "Gutkind, Kedem"]
[Result "1/2-1/2"]
[ECO "E84"]
[WhiteElo "2161"]
[BlackElo "1993"]
[PlyCount "91"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. Rc1 Bd7 10. Nd1 b5 11. c5 e6 12. Nf2 b4 13. g3 Ne7 14. Bg5 Bb5 15. Bg2 Re8 16. Nd3 Bxd3 17. Qxd3 dxc5 18. Rxc5 Nd7 19. Rc2 c5 20. dxc5 Qa5 21. 0-0 Nxc5 22. Qe3 Na4 23. Bf4 Rbc8 24. Rxc8 Nxc8 25. Qb3 Bxb2 26. Rb1 Ncb6 27. Rxb2 Nxb2 28. Qxb2 e5 29. Bg5 Qc5+ 30. Kh1 Qf2 31. Qxb4 Qxe2 32. Qxb6 Qxa2 33. Bf1 Re6 34. Qd8+ Kg7 35. Be7 Rxe7 36. Qxe7 Qa1 37. Kg2 Qd4 38. h4 a5 39. Qc7 Qb2+ 40. Kh3 Qa1 41. Kg2 Qb2+ 42. Kg1 Qd4+ 43. Kh2 Qb2+ 44. Kh3 Qa1 45. Kg2 Qb2+ 46. Kg1 1/2-1/2

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.11"]
[Round "8"]
[White "Wallis, Christopher"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2347"]
[BlackElo "2161"]
[PlyCount "77"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nc3 Bb4 6. Qd3 d6 7. Nge2 c6 8. a3 Bxc3+ 9. Nxc3 Nd7 10. Qe3 e5 11. Rd1 0-0 12. Be2 Qg5 13. Qxg5 hxg5 14. d5 cxd5 15. Rxd5 Nb6 16. Rxd6 Be6 17. 0-0 Rac8 18. Rfd1 Rc5 19. R1d2 Rfc8 20. Rd8+ Rxd8 21. Rxd8+ Kh7 22. Bd3 g6 23. Kf1 Kg7 24. Ke2 Kf6 25. Kd2 Ke7 26. Rb8 Bc8 27. b4 Rc6 28. Nb5 a6 29. Na7 Rc7 30. c4 Kd8 31. c5 Nd7 32. Ra8 Nf6 33. c6 bxc6 34. Bxa6 Nxe4+ 35. Kd3 Nxf2+ 36. Ke2 Rxa7 37. Rxa7 Bxa6+ 38. Rxa6 Ne4 39. Rxc6 1-0

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.10"]
[Round "7"]
[White "Dahl, Baard"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "C11"]
[BlackElo "2161"]
[PlyCount "120"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 8. Nxd4 Qb6 9. Qd2 Qxb2 10. Rb1 Qa3 11. Bb5 Nxd4 12. Bxd4 a6 13. Bxd7+ Bxd7 14. Rb3 Qe7 15. Rxb7 Rc8 16. 0-0 Qa3 17. Rfb1 Bc5 18. R7b3 Bxd4+ 19. Qxd4 Qc5 20. Qxc5 Rxc5 21. Rb8+ Bc8 22. Na4 Rc6 23. Ra8 Kd7 24. Ra7+ Rc7 25. Nb6+ Kc6 26. Nxc8 Rhxc8 27. Rxa6+ Kd7 28. f5 Rxc2 29. fxe6+ fxe6 30. h3 Ke7 31. Rbb6 Kf7 32. Rxe6 Re2 33. Red6 Rxe5 34. Ra7+ Re7 35. Rxe7+ Kxe7 36. Rxd5 Rc1+ 37. Kh2 Ke6 38. Rd2 h5 39. Kg3 g5 40. Kf3 Ke5 41. Re2+ Kd4 42. Re4+ Kd5 43. Ra4 Rc3+ 44. Kf2 Rc2+ 45. Kg1 Ke5 46. h4 g4 47. g3 Kf5 48. Rf4+ Ke5 49. Rf2 Rc1+ 50. Rf1 Rc3 51. Kg2 Rc2+ 52. Rf2 Rc1 53. Rb2 Ke4 54. Kf2 Rh1 55. Rb4+ Kd3 56. Rb3+ Ke4 57. Rb4+ Kd3 58. Rb5 Rh2+ 59. Kg1 Rxa2 60. Rxh5 Ra1+ 1/2-1/2

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.09"]
[Round "6"]
[White "Groffen, Hans"]
[Black "Smith, Graham M"]
[Result "1-0"]
[ECO "A89"]
[WhiteElo "2161"]
[BlackElo "2073"]
[PlyCount "36"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Nc6 8. d5 Ne5 9. Nxe5 dxe5 10. Qb3 Kh8 11. Rd1 h6 12. c5 g5 13. Bd2 a6 14. Na4 Rb8 15. Ba5 Qd7 16. d6 exd6 17. cxd6 cxd6 18. Rac1 f4 1-0

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.08"]
[Round "5"]
[White "Hill, Alistair"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2102"]
[BlackElo "2161"]
[PlyCount "123"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 0-0 12. Bf4 Nh5 13. Bxd6 Qxd6 14. Bb5 Bd7 15. Rc1 Nf4 16. Nxf4 Qxf4 17. Re1 Rf6 18. Qd2 Qxd2 19. Nxd2 Raf8 20. f3 Be8 21. Bxc6 Bxc6 22. Nb3 Kf7 23. Na5 Rc8 24. Rc3 Rf4 25. Rd1 Ke7 26. g3 Rff8 27. Rdc1 Kd7 28. Kf2 g5 29. Ke3 Rf6 30. b4 a6 31. a4 Rcf8 32. Kf2 Ke8 33. Re3 Kd7 34. Rec3 Ke8 35. Re3 Kd7 36. Nb3 Kd6 37. a5 h5 38. Nc5 h4 39. Rce1 Re8 40. Kg2 hxg3 41. hxg3 Rg6 42. Re5 Re7 43. R1e3 Be8 44. Re1 Bb5 45. Rh1 Rf7 46. Rh5 Rfg7 47. Kh2 Bc4 48. Kg2 Bb5 49. Kf2 Bc6 50. Ke2 Bb5+ 51. Ke3 Be8 52. Rh8 Bc6 53. Kf2 Rf7 54. Re3 Bb5 55. Rd8+ Bd7 56. Rc3 Rgf6 57. Nxb7+ Ke7 58. Rg8 Rf5 59. Nc5 Kf6 60. Nd3 Re7 61. g4 Kf7 62. Rd8 1-0

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.07"]
[Round "4"]
[White "Groffen, Hans"]
[Black "Allen, Keith"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "2161"]
[BlackElo "2197"]
[PlyCount "86"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. c4 c6 6. 0-0 Bd6 7. Bf4 Bxf4 8. gxf4 0-0 9. e3 Bd7 10. Nbd2 Be8 11. Ne5 Nbd7 12. Rc1 Ne4 13. Nb3 Rc8 14. f3 Nd6 15. Nxd7 Bxd7 16. c5 Nc4 17. Qe2 b5 18. Ra1 a5 19. Nc1 Rc7 20. Nd3 b4 21. Qe1 Bc8 22. Rf2 h6 23. Bf1 g5 24. b3 Na3 25. Ne5 Bb7 26. Rg2 Rg7 27. Bd3 gxf4 28. Rxg7+ Kxg7 29. exf4 Kh7 30. Kh1 Ba6 31. Rd1 Bxd3 32. Rxd3 Qe8 33. Rd2 Nb5 34. Qh4 Rg8 35. Qf6 Rg7 36. Qh4 Nc3 37. Qf2 a4 38. bxa4 Qa8 39. a5 Qxa5 40. Nxc6 Qa4 41. Ne5 b3 42. Qe1 bxa2 43. Qa1 Rb7 0-1

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.06"]
[Round "3"]
[White "Tate, Alan"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2320"]
[BlackElo "2161"]
[PlyCount "75"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 6. c4 Bg7 7. Nb3 Ne7 8. 0-0 Nbc6 9. Nc3 0-0 10. Bg5 h6 11. Bf4 d5 12. exd5 exd5 13. c5 Ne5 14. Re1 Nxd3 15. Qxd3 Bf5 16. Qd2 d4 17. Na4 Nd5 18. Bxh6 Bxh6 19. Qxh6 Qf6 20. Qd2 d3 21. Nc3 Rad8 22. Ne4 Qh4 23. Qxd3 Nf4 24. Qg3 Qxg3 25. Nxg3 Be6 26. Ne4 Rd3 27. Na5 Kg7 28. Nxb7 Bd5 29. Nbd6 Rb8 30. b3 f5 31. Ng5 Nxg2 32. Red1 Rxd1+ 33. Rxd1 Nf4 34. Kf1 Kf6 35. Nh7+ Kg7 36. Ng5 Kf6 37. Nh7+ Kg7 38. Ng5 1/2-1/2

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.05"]
[Round "2"]
[White "Groffen, Hans"]
[Black "L'Ami, Alina"]
[Result "1/2-1/2"]
[ECO "E83"]
[WhiteElo "2161"]
[BlackElo "2386"]
[PlyCount "53"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Na5 9. Ng3 h5 10. h4 b5 11. Bh6 Nxc4 12. Bxc4 bxc4 13. Bxg7 Kxg7 14. 0-0-0 c6 15. Qg5 Rh8 16. Rhe1 Rb8 17. Nf5+ Bxf5 18. exf5 Rb7 19. fxg6 fxg6 20. Re6 Qb6 21. Rd2 Kf7 22. d5 Qg1+ 23. Rd1 Qb6 24. Rd2 Qg1+ 25. Rd1 Qb6 26. Rd2 Qg1+ 27. Rd1 1/2-1/2

[Event "Douglas PokerStars op"]
[Site "Douglas"]
[Date "2014.10.04"]
[Round "1"]
[White "Hebden, Mark"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2540"]
[BlackElo "2161"]
[PlyCount "63"]
[EventDate "2014.10.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "IOM"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 d6 6. c4 0-0 7. Nc3 Qe8 8. d5 a5 9. Rb1 Na6 10. b3 Nc5 11. Bb2 Bd7 12. Ne1 c6 13. Nd3 Nce4 14. dxc6 bxc6 15. c5 Nxc3 16. Bxc3 Ne4 17. Bxg7 Kxg7 18. Qc2 Qf7 19. Rfd1 Qf6 20. cxd6 exd6 21. Rbc1 Rf7 22. Qb2 a4 23. Qxf6+ Kxf6 24. Nb4 axb3 25. axb3 Rb8 26. Nxc6 Bxc6 27. Rxc6 Rxb3 28. Bxe4 fxe4 29. Rcxd6+ Kg7 30. Re6 Rb4 31. h4 Rfb7 32. Rd8 1-0

[Event "Maastricht Limburg op-A 8th"]
[Site "Maastricht"]
[Date "2014.06.09"]
[Round "6"]
[White "Groffen, Hans"]
[Black "Bellens, Steven"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2190"]
[BlackElo "2013"]
[PlyCount "115"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Be3 0-0 9. Qd2 Bg4 10. d5 Qa5 11. Rc1 Nd7 12. Ng5 h6 13. h3 Bh5 14. g4 hxg5 15. gxh5 Nf6 16. Bd3 c4 17. Bb1 Nxh5 18. Bxg5 Qc5 19. Be3 Qd6 20. f4 Rad8 21. e5 Qxd5 22. Qxd5 Rxd5 23. Kf2 Bh6 24. Kf3 e6 25. Be4 Ra5 26. Bxb7 Rb8 27. Be4 Rxa2 28. Ra1 Rbb2 29. Rxa2 Rxa2 30. Rb1 Rh2 31. Kg4 Bxf4 32. Bxf4 Nxf4 33. Kxf4 Rxh3 34. Bf3 Kg7 35. Rb4 f5 36. exf6+ Kxf6 37. Ra4 g5+ 38. Kg4 Rh7 39. Ra6 Rh4+ 40. Kg3 Kf5 41. Rxa7 e5 42. Rf7+ Ke6 43. Rg7 Kf5 44. Rc7 Ke6 45. Rc6+ Kf5 46. Bd1 Ke4 47. Be2 Ke3 48. Bxc4 Kd2 49. Be6 e4 50. c4 e3 51. Bg4 Kd3 52. c5 e2 53. Re6 Kd4 54. c6 Rh6 55. Kf2 Rh7 56. Rxe2 Kc5 57. Bd7 Kd6 58. Kg3 1-0

[Event "Maastricht Limburg op-A 8th"]
[Site "Maastricht"]
[Date "2014.06.09"]
[Round "7"]
[White "Groffen, Hans"]
[Black "De Wit, Albert"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2190"]
[BlackElo "1999"]
[PlyCount "90"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. e4 Nd7 5. Nc3 e5 6. Be3 Ne7 7. h4 h5 8. Qd2 exd4 9. Nxd4 Nc6 10. Bg5 Bf6 11. Nd5 Bxg5 12. hxg5 Nxd4 13. Qxd4 0-0 14. f4 c6 15. Nc3 Nc5 16. 0-0-0 Bg4 17. Be2 Bxe2 18. Nxe2 Qe7 19. Ng3 Ne6 20. Qf6 Qxf6 21. gxf6 Nxf4 22. Kb1 Rfd8 23. Rdf1 Ne6 24. Nf5 Ng5 25. Ne7+ Kf8 26. Rf4 Nh7 27. Rhf1 Rd7 28. c5 dxc5 29. e5 Ng5 30. g4 h4 31. Rh1 h3 32. Rf3 Rxe7 33. fxe7+ Kxe7 34. Rc3 Rh8 35. Rh2 b6 36. b4 Rh4 37. bxc5 b5 38. Rg3 Ke6 39. a4 bxa4 40. Kb2 Kxe5 41. Ka3 Kf4 42. Rd3 Kxg4 43. Kxa4 Nf3 44. Rh1 Kg3+ 45. Ka5 h2 0-1

[Event "Maastricht Limburg op-A 8th"]
[Site "Maastricht"]
[Date "2014.06.08"]
[Round "4"]
[White "Groffen, Hans"]
[Black "Van Liempt, Michael"]
[Result "0-1"]
[ECO "E45"]
[WhiteElo "2190"]
[BlackElo "2008"]
[PlyCount "54"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. Qf3 Bb7 9. Bd2 0-0 10. g4 Ne4 11. Nxe4 dxe4 12. Qg3 c5 13. dxc5 bxc5 14. 0-0-0 Nc6 15. g5 Qe7 16. Bc3 Rfd8 17. Bg2 e5 18. Rhe1 Nd4 19. exd4 cxd4 20. Bb4 Qe6 21. Bxe4 Bxe4 22. Rxe4 a5 23. Bd2 Qxc4+ 24. Kb1 Rab8 25. Bxa5 Qa4 26. Bxd8 Qxd1+ 27. Ka2 Qc2 0-1

[Event "Maastricht Limburg op-A 8th"]
[Site "Maastricht"]
[Date "2014.06.08"]
[Round "5"]
[White "Wislez, Francis"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "A87"]
[WhiteElo "2002"]
[BlackElo "2190"]
[PlyCount "87"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 e6 8. Bf4 Qe7 9. Qc1 Nh5 10. Bg5 Qf7 11. Bh6 c6 12. Bxg7 Kxg7 13. b4 Nd7 14. a4 e5 15. d5 h6 16. dxc6 bxc6 17. b5 e4 18. Nd2 c5 19. a5 Ne5 20. Nd1 Be6 21. Ra4 Rab8 22. Qc3 Nf6 23. f3 exf3 24. exf3 Ned7 25. Ne3 Kh7 26. f4 d5 27. cxd5 Nxd5 28. Nxd5 Bxd5 29. Rb1 Bxg2 30. Kxg2 Qd5+ 31. Nf3 Rfe8 32. Rb2 Re4 33. Rd2 Qe6 34. Rxe4 fxe4 35. Ne5 Nxe5 36. Qxe5 Qxe5 37. fxe5 Rxb5 38. Rd7+ Kg8 39. Rxa7 c4 40. Rc7 Rxa5 41. e6 Re5 42. Rxc4 Kg7 43. Kf2 Kf6 44. Ke3 1/2-1/2

[Event "Maastricht Limburg op-A 8th"]
[Site "Maastricht"]
[Date "2014.06.07"]
[Round "2"]
[White "Groffen, Hans"]
[Black "Gijsen, Stief"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2190"]
[BlackElo "2156"]
[PlyCount "61"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Qd2 Nc6 10. Rc1 cxd4 11. cxd4 Qxd2+ 12. Kxd2 0-0 13. Bb5 f5 14. exf5 Bxf5 15. Bxc6 bxc6 16. Rxc6 Rab8 17. Ra1 Rfd8 18. Rc5 Rb2+ 19. Ke1 Be4 20. Ne5 Bxg2 21. a4 Bxe5 22. Rxe5 Kf7 23. Rc1 Rd7 24. Rc8 Rdb7 25. h4 Ra2 26. a5 Rb1+ 27. Rc1 Rbb2 28. Rc7 Ra1+ 29. Rc1 Raa2 30. Rc7 Ra1+ 31. Rc1 1/2-1/2

[Event "Maastricht Limburg op-A 8th"]
[Site "Maastricht"]
[Date "2014.06.07"]
[Round "3"]
[White "Hovhannisyan, Mher"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2520"]
[BlackElo "2190"]
[PlyCount "117"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Qf3 Nc6 7. Bb5 Qd7 8. Nge2 a6 9. Ba4 g5 10. a3 b5 11. Bb3 0-0-0 12. h3 h5 13. h4 f4 14. exf4 g4 15. Qd3 Na5 16. 0-0 Nc4 17. Bxc4 dxc4 18. Qe4 c6 19. Ng3 f5 20. Qe3 Bg7 21. Rfe1 Rhe8 22. d5 cxd5 23. Qb6 d4 24. Qxa6+ Qb7 25. Rxe6 Qxa6 26. Rxa6 dxc3 27. bxc3 Bxc3 28. Rb1 Kb7 29. Rh6 Re1+ 30. Rxe1 Bxe1 31. Nxf5 Rd1 32. Ne3 Rd2 33. Nf5 Bxf2+ 34. Kh2 Bc5 35. c3 Rd3 36. Rxh5 Rxc3 37. Ng3 Bxa3 38. Rxb5+ Kc6 39. Rg5 Rd3 40. Ne4 Rd4 41. Re5 Bd6 42. Nxd6 Kxd6 43. Kg3 Rd2 44. Re8 Kd7 45. Re4 c3 46. Rc4 c2 47. h5 Ke7 48. Rc7+ Kd8 49. Rc5 Ke7 50. h6 Kf7 51. Rc7+ Kg8 52. f5 Kh8 53. h7 Re2 54. Kf4 Rxg2 55. Kg5 c1Q+ 56. Rxc1 Kxh7 57. Rc7+ Kg8 58. Kg6 Kf8 59. f6 1-0

[Event "Maastricht Limburg op-A 8th"]
[Site "Maastricht"]
[Date "2014.06.06"]
[Round "1"]
[White "Admiraal, Miguoel"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2339"]
[BlackElo "2190"]
[PlyCount "69"]
[EventDate "2014.06.06"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Nge2 Nc6 7. Nf4 Qd7 8. Qf3 0-0-0 9. Nxe6 Qxe6 10. 0-0-0 g6 11. h3 h5 12. g3 Bb4 13. Ne2 Qe4 14. Qxe4 fxe4 15. a3 Bd6 16. c4 dxc4 17. Nc3 f5 18. Bxc4 Rdf8 19. Rdg1 Kd7 20. g4 hxg4 21. hxg4 Ne7 22. Kd2 c6 23. Ke2 a5 24. Bb3 Bh2 25. Rc1 Rh4 26. Na4 Rfh8 27. Nc5+ Kc7 28. gxf5 gxf5 29. d5 Be5 30. Rxh4 Rxh4 31. dxc6 Bxb2 32. Ne6+ Kc8 33. cxb7+ Kb8 34. Rc5 Kxb7 35. Rc7+ 1-0

[Event "Utrecht OKU op 41st"]
[Site "Utrecht"]
[Date "2014.06.01"]
[Round "6"]
[White "Galje, Hans"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "A81"]
[WhiteElo "2132"]
[BlackElo "2182"]
[PlyCount "33"]
[EventDate "2014.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nh3 Bg7 5. Nf4 Nc6 6. d5 Ne5 7. Nc3 c6 8. 0-0 cxd5 9. Ncxd5 Nxd5 10. Bxd5 e6 11. Bg2 0-0 12. c3 d5 13. Qb3 Qc7 14. Nd3 Bd7 15. Bf4 Bc6 16. Rad1 Rae8 17. h4 1/2-1/2

[Event "Utrecht OKU op 41st"]
[Site "Utrecht"]
[Date "2014.05.31"]
[Round "3"]
[White "Groffen, Hans"]
[Black "Mijnster, Niels"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2182"]
[BlackElo "1970"]
[PlyCount "111"]
[EventDate "2014.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e3 Nxe5 5. Nh3 Bb4+ 6. Bd2 Nbc6 7. Bxb4 Nxb4 8. a3 Nbc6 9. Nf4 0-0 10. Be2 d6 11. Nc3 Ng6 12. Nxg6 hxg6 13. 0-0 b6 14. Bf3 Bb7 15. b4 Qc8 16. Rc1 Nd8 17. Bd5 a5 18. Qb3 axb4 19. axb4 c6 20. Bf3 Qe6 21. b5 c5 22. Nd5 Ra5 23. Ra1 Rxa1 24. Rxa1 Bxd5 25. Bxd5 Qe5 26. Qd1 Ne6 27. Ra7 Rd8 28. Qf3 Rd7 29. Ra8+ Kh7 30. Qh3+ Qh5 31. Qxh5+ gxh5 32. Ra6 Nc7 33. Rxb6 Nxd5 34. cxd5 Kg6 35. e4 Kf6 36. f4 Ke7 37. Kf2 Ra7 38. e5 dxe5 39. fxe5 Rd7 40. d6+ Ke6 41. Rc6 Kxe5 42. Rxc5+ Kxd6 43. Rxh5 Ke6 44. Ke3 f5 45. Rh4 Ke5 46. Rb4 g5 47. b6 Rb7 48. Rb5+ Ke6 49. Kf3 Kf6 50. h3 Kg6 51. g3 Kh5 52. h4 gxh4 53. gxh4 Kg6 54. Kf4 Rh7 55. b7 Rxh4+ 56. Kg3 1-0

[Event "Utrecht OKU op 41st"]
[Site "Utrecht"]
[Date "2014.05.31"]
[Round "4"]
[White "Haver, Bas"]
[Black "Groffen, Hans"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2077"]
[BlackElo "2182"]
[PlyCount "77"]
[EventDate "2014.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Bf4 Nh5 13. Bxd6 Qxd6 14. Bb5 Bd7 15. Rc1 a6 16. Bxc6 Bxc6 17. Re1 Nf4 18. Nxf4 Rxf4 19. Ng5 Rf6 20. Qd3 Rh6 21. Re5 Rf8 22. Rce1 Rff6 23. g3 Be8 24. Qc3 Bc6 25. b4 Rhg6 26. Qc2 Qxb4 27. Nxe6 Rg4 28. Rb1 Qc4 29. Qxc4 dxc4 30. d5 Bxd5 31. Rxd5 Rxe6 32. Rxb7 h6 33. Rc5 Re2 34. a4 c3 35. h3 Rxa4 36. Rxc3 Ra1+ 37. Kg2 Raa2 38. Rf3 Re6 39. Rff7 1/2-1/2

[Event "Utrecht OKU op 41st"]
[Site "Utrecht"]
[Date "2014.05.31"]
[Round "2"]
[White "Hovhannisyan, Mher"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2520"]
[BlackElo "2182"]
[PlyCount "113"]
[EventDate "2014.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Qf3 Nc6 7. Bd3 Qd7 8. Nge2 g6 9. Nf4 Ne7 10. 0-0-0 0-0-0 11. Nxe6 Qxe6 12. Kb1 Kb8 13. h4 h5 14. Ne2 Bh6 15. Rc1 Qd6 16. g3 c6 17. c4 Rc8 18. Nf4 Bxf4 19. c5 Qc7 20. gxf4 Rce8 21. Rhg1 Rhg8 22. Rg3 Rg7 23. Rcg1 b6 24. cxb6 axb6 25. Qd1 Kb7 26. Qb3 Qd6 27. a3 Ra8 28. Rc1 Rgg8 29. Rgg1 Rgb8 30. Rc3 Kc7 31. f3 c5 32. dxc5 bxc5 33. Qc2 c4 34. Bxc4 dxc4 35. Rxc4+ Nc6 36. Rxg6 Rg8 37. Qxf5 Rxg6 38. Qxg6 Ra5 39. Qc2 Rd5 40. Ka2 Qe6 41. Qb3 Qd6 42. e4 Rc5 43. Ra4 Ra5 44. Rxa5 Nxa5 45. Qf7+ Kb6 46. Qxh5 Qxf4 47. Qg4 Qd6 48. Qg8 Qf4 49. Qd8+ Ka6 50. Qc8+ Kb6 51. Qe6+ Nc6 52. h5 Qxf3 53. Qb3+ Qxb3+ 54. Kxb3 Kc5 55. h6 Ne5 56. h7 Nf7 57. Kc3 1-0

[Event "Utrecht OKU op 41st"]
[Site "Utrecht"]
[Date "2014.05.30"]
[Round "1"]
[White "Groffen, Hans"]
[Black "Boes, Robert"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2182"]
[PlyCount "51"]
[EventDate "2014.05.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 160 Extra"]
[Source "ChessBase"]
[SourceDate "2014.07.01"]
[SourceVersion "1"]
[SourceVersionDate "2014.07.01"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. e3 e6 10. g4 Bg6 11. h4 h6 12. Nxg6 fxg6 13. Bd3 Kf7 14. Qc2 Bb4 15. Bxg6+ Ke7 16. Rg1 Qd6 17. Bd2 Nc4 18. Bd3 Nxd2 19. Qxd2 e5 20. g5 hxg5 21. dxe5 Qxe5 22. Rxg5 Qh2 23. 0-0-0 Ne8 24. Bc2 Nd6 25. Qd4 Qxh4 26. Qe5+ 1-0

[Event "Delft Prinsenstad op-A 7th"]
[Site "Delft"]
[Date "2014.04.20"]
[Round "5"]
[White "Groffen, Hans"]
[Black "Reinderman, Dimitri"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "2172"]
[BlackElo "2617"]
[PlyCount "60"]
[EventDate "2014.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 e6 8. b3 Ne4 9. Bb2 Nxc3 10. Bxc3 Nc6 11. Qc2 e5 12. dxe5 dxe5 13. Rad1 Qe7 14. Qb2 a5 15. e3 a4 16. Rd2 g5 17. Rfd1 g4 18. Ne1 e4 19. Bxg7 Qxg7 20. Bf1 Be6 21. Ng2 Qxb2 22. Rxb2 Rfd8 23. Rbd2 Rxd2 24. Rxd2 axb3 25. axb3 Ne5 26. Rd1 Nf3+ 27. Kh1 Ra2 28. Nf4 Rxf2 29. Bg2 Kf7 30. Bxf3 gxf3 0-1

[Event "Delft Prinsenstad op-A 7th"]
[Site "Delft"]
[Date "2014.04.20"]
[Round "6"]
[White "Van der Auweraert, Elwin"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2217"]
[BlackElo "2172"]
[PlyCount "83"]
[EventDate "2014.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 0-0 6. 0-0 d6 7. d3 e5 8. Rb1 a5 9. a3 Nc6 10. b4 axb4 11. axb4 h6 12. b5 Ne7 13. e4 c6 14. bxc6 bxc6 15. exf5 gxf5 16. Nh4 Be6 17. Re1 Qd7 18. Bd2 Rab8 19. Qa4 Rxb1 20. Rxb1 Rc8 21. Qa6 Qd8 22. Be3 Nd7 23. Na4 f4 24. Ba7 Nf5 25. Nxf5 Bxf5 26. Bxc6 Bxd3 27. Rd1 e4 28. Bd5+ Kh8 29. Qxd6 fxg3 30. hxg3 Nf6 31. Qxd8+ Rxd8 32. Be6 Rd6 33. Nc5 Rc6 34. Nxd3 Rxe6 35. Nf4 Rc6 36. c5 Ng4 37. Rd6 Rxd6 38. cxd6 Nf6 39. Ng6+ Kg8 40. Ne5 Kf8 41. d7 Ke7 42. Bc5+ 1-0

[Event "Delft Prinsenstad op-A 7th"]
[Site "Delft"]
[Date "2014.04.19"]
[Round "4"]
[White "Groffen, Hans"]
[Black "Oosterom, Erik"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2172"]
[BlackElo "2092"]
[PlyCount "109"]
[EventDate "2014.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 g5 12. Ne3 gxf4 13. Nxf5 0-0-0 14. 0-0 Bc5 15. Qc2 fxg3 16. hxg3 Kb8 17. Ne4 Bb4 18. Rfd1 a5 19. Rac1 h5 20. Ned6 Nb6 21. Nb5 Rxd1+ 22. Qxd1 Qd7 23. Qxd7 Nexd7 24. Nbd6 Nc5 25. Bf3 Ncxa4 26. Nxf7 Rf8 27. Bxh5 Nxb2 28. g4 Nd5 29. Ne5 Kc7 30. Bf7 Nf4 31. Rc2 Na4 32. e3 Nh3+ 33. Kg2 Ng5 34. Bd5 Nc3 35. Nf3 Nxf3 36. Bxf3 a4 37. Nd4 Kb6 38. Ne2 Nxe2 39. Bxe2 Kc7 40. g5 Kd6 41. f4 b5 42. Kf3 Ba5 43. Ra2 Bb6 44. e4 Ra8 45. Bd1 Ke6 46. e5 Rd8 47. Bc2 Bd4 48. Ke4 c5 49. f5+ Ke7 50. g6 Rh8 51. Bd3 Rh4+ 52. Kd5 c4 53. f6+ Kd7 54. Bf5+ Kc7 55. g7 1-0

[Event "Delft Prinsenstad op-A 7th"]
[Site "Delft"]
[Date "2014.04.19"]
[Round "2"]
[White "Groffen, Hans"]
[Black "Vereggen, Lars"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2172"]
[BlackElo "2179"]
[PlyCount "125"]
[EventDate "2014.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 0-0 7. Qc2 h6 8. Bh4 c6 9. cxd5 exd5 10. Bd3 c5 11. dxc5 Nxc5 12. 0-0 Be6 13. Rfd1 Rc8 14. Qe2 Qb6 15. Nd4 Rfd8 16. f3 Re8 17. Rac1 g5 18. Bg3 Bf8 19. Bb1 Bg7 20. Qc2 Ncd7 21. Bf2 Nf8 22. a3 a6 23. Ba2 Qa5 24. Qa4 Qxa4 25. Nxa4 N6d7 26. b4 b5 27. Nc5 Nxc5 28. bxc5 Red8 29. Be1 Nd7 30. Ba5 Re8 31. c6 Ne5 32. c7 Nc4 33. Bxc4 bxc4 34. Rb1 Bd7 35. Kf2 f5 36. g3 Be5 37. Rb7 f4 38. gxf4 gxf4 39. exf4 Bxf4 40. Rg1+ Kf7 41. Re1 Bxh2 42. Rxe8 Kxe8 43. Ra7 Be5 44. Ke3 Kf7 45. f4 Bf6 46. f5 Re8+ 47. Ne6 d4+ 48. Ke4 Kg8 49. Rxa6 c3 50. Rd6 c2 51. Bd2 Bxe6 52. Rxe6 Rc8 53. Rc6 Be7 54. a4 h5 55. Rxc2 Bd6 56. Rc6 Bxc7 57. Kd3 h4 58. Bf4 Rf8 59. Bxc7 Rxf5 60. Kxd4 h3 61. Rh6 Rf7 62. Be5 Ra7 63. Rh8+ 1-0

[Event "Delft Prinsenstad op-A 7th"]
[Site "Delft"]
[Date "2014.04.19"]
[Round "3"]
[White "Sergeev, Vladimir"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "E14"]
[WhiteElo "2457"]
[BlackElo "2172"]
[PlyCount "69"]
[EventDate "2014.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Nbd2 b6 5. e3 Bb7 6. Bd3 Ne4 7. 0-0 f5 8. Qc2 Bxd2 9. Nxd2 Qh4 10. f3 Nf6 11. b4 d6 12. Nb3 0-0 13. Bd2 Nfd7 14. d5 exd5 15. cxd5 c5 16. dxc6 Nxc6 17. Bxf5 Nde5 18. Be6+ Kh8 19. e4 Rf6 20. Bd5 Nxb4 21. Bxb4 Bxd5 22. Nd4 Bc4 23. Rfd1 Rh6 24. h3 Rg6 25. Kh1 Qh5 26. f4 Ng4 27. Re1 Qh4 28. Kg1 Rc8 29. Rac1 Nh6 30. f5 Rf6 31. Nf3 Qg3 32. Qd2 Nf7 33. a4 Rh6 34. Qe2 d5 35. exd5 1-0

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.01"]
[Round "3"]
[White "Groffen, Hans"]
[Black "Haast, Anne"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2166"]
[BlackElo "2310"]
[PlyCount "51"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 Bb7 6. Nc3 axb5 7. Bxb5 Qa5 8. Nge2 Nxd5 9. e4 Nxc3 10. Nxc3 Bxe4 11. 0-0 Bc6 12. Bc4 e6 13. Bg5 Qc7 14. Qg4 Bd6 15. f4 Qb7 16. b3 Na6 17. Rad1 Qb8 18. a3 f5 19. Qe2 h6 20. Rxd6 Qxd6 21. Rd1 Qc7 22. Nb5 Bxb5 23. Bxb5 Qb6 24. Qh5+ Kf8 25. Rxd7 c4+ 26. Kf1 1-0

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.01"]
[Round "4"]
[White "Nikolic, Predrag"]
[Black "Groffen, Hans"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2622"]
[BlackElo "2166"]
[PlyCount "69"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. c4 e6 7. cxd5 cxd5 8. h3 Bxf3 9. Bxf3 Ne5 10. Bg2 Nc6 11. Nc3 a6 12. Qb3 b5 13. e4 Nd4 14. Qd1 dxe4 15. dxe4 e5 16. Be3 Bc5 17. Rc1 Qb6 18. Kh1 Rd8 19. Qe1 0-0 20. f4 Nb3 21. Bxc5 Nxc5 22. Qf2 Rd4 23. fxe5 Nd3 24. Qf5 g6 25. Qxf6 Qxf6 26. exf6 Nxc1 27. Rxc1 Rc8 28. a3 Rd2 29. Rb1 a5 30. Bf1 b4 31. axb4 axb4 32. Nd5 Rb8 33. b3 h5 34. Ra1 Rd4 35. Ne7+ 1-0

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.01"]
[Round "2"]
[White "Van der Werf, Mark"]
[Black "Groffen, Hans"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2426"]
[BlackElo "2166"]
[PlyCount "76"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ne5 d6 6. Nxc6 bxc6 7. f3 Qe7 8. e3 Nf6 9. Qa4 Bd7 10. Be2 g6 11. fxe4 fxe4 12. 0-0 Bg7 13. Qa5 Bf5 14. d5 c5 15. Nb5 Rc8 16. Nxa7 Ra8 17. Qb5+ Nd7 18. Nc6 Qg5 19. Bd2 0-0 20. Kh1 Ne5 21. Bc3 Nxc6 22. Qxc6 Bxc3 23. bxc3 Qxe3 24. Rfe1 Qxc3 25. a4 Ra7 26. Rf1 Qb2 27. Rae1 Rd8 28. Qb5 Qd2 29. g4 Bd7 30. Qb1 Re8 31. Bd1 e3 32. Bc2 e2 33. Rf2 Rb7 34. Qa1 Rb2 35. Bd3 Bxg4 36. a5 Qe3 37. Rg2 Bf3 38. Qxb2 Qf2 0-1

