[Event "Muensterland Regionalliga playoff 9-12"]
[Site "Germany"]
[Date "2023.05.06"]
[Round "2.2"]
[White "Schroer, Klaus"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2036"]
[BlackElo "1998"]
[PlyCount "93"]
[EventDate "2022.03.18"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Borken"]
[BlackTeam "Metelen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nc6 5. 0-0 d6 6. Nxd4 Be7 7. Nc3 0-0 8. a4 Nxd4 9. Qxd4 Be6 10. Bxe6 fxe6 11. e5 Nd7 12. exd6 Bxd6 13. Be3 Kh8 14. Rad1 e5 15. Qd3 Nf6 16. Bg5 Qe8 17. Bxf6 Rxf6 18. Ne4 Rg6 19. b3 Qe6 20. Qd5 Qg4 21. Nxd6 cxd6 22. Qxb7 Rf8 23. Rd3 e4 24. Rg3 Qe2 25. Rxg6 hxg6 26. Qxa7 Qxc2 27. b4 d5 28. a5 Qd2 29. a6 Qxb4 30. Qb7 Qxb7 31. axb7 Kh7 32. Rb1 Rb8 33. Kf1 Kh6 34. Ke2 Kg5 35. Ke3 Kf5 36. Kd4 Ke6 37. Rb6+ Kd7 38. Kxd5 Kc7 39. Rb1 Rd8+ 40. Kxe4 Kb8 41. Rb2 Rd6 42. Kf4 Rf6+ 43. Kg5 Rd6 44. f4 Re6 45. h4 Rd6 46. g4 Rf6 47. Re2 1-0

[Event "Muensterland Regionalliga Gr1 2223"]
[Site "Germany"]
[Date "2023.02.04"]
[Round "6.2"]
[White "Poelstra, Ben"]
[Black "Pohl, Tim"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1996"]
[BlackElo "1897"]
[PlyCount "64"]
[EventDate "2022.09.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Metelen"]
[BlackTeam "Telgte"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. Be2 Rc8 10. 0-0 Ne7 11. Re1 Ng6 12. g3 Be7 13. h4 f5 14. exf6 Bxf6 15. Bf1 0-0 16. Bh3 Rcd8 17. Qe2 e5 18. Bxd7 Rxd7 19. h5 Nh8 20. Nxe5 Re7 21. f4 Nf7 22. Ndf3 Nd6 23. Be3 Ne4 24. Kg2 Nb3 25. Rh1 a5 26. Rbf1 Rc8 27. Rd1 Qd6 28. g4 Qe6 29. Rdf1 Bxe5 30. Nxe5 b5 31. g5 Qf5 32. Qg4 Rxe5 0-1

[Event "Muensterland Regionalliga Gr1 2223"]
[Site "Germany"]
[Date "2023.01.14"]
[Round "5.3"]
[White "Poelstra, Ben"]
[Black "Lemli, Thomas"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1996"]
[BlackElo "1976"]
[PlyCount "143"]
[EventDate "2022.09.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Metelen"]
[BlackTeam "Emsdetten Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 a6 7. Bg5 Be6 8. c5 g6 9. Bxf6 exf6 10. Be2 Bg7 11. 0-0 0-0 12. Qd2 f5 13. Rfd1 Qf6 14. g3 Rad8 15. Rab1 g5 16. Qxg5 Qxg5 17. Nxg5 Bxd4 18. Bf3 Bf6 19. Nxe6 fxe6 20. Ne2 Rfe8 21. b4 Ne5 22. Bg2 Nc4 23. Nd4 Kf7 24. a4 Bxd4 25. Rxd4 Re7 26. f4 Kf6 27. Kf2 Rc8 28. Bf1 a5 29. Bxc4 dxc4 30. Rxc4 axb4 31. Rbxb4 Rec7 32. Rb5 h5 33. Ke3 h4 34. a5 hxg3 35. hxg3 Rg8 36. Kf2 Ra8 37. Rc3 Rd8 38. Rcb3 Rdd7 39. Kf3 Rg7 40. Re3 Rc6 41. Rb6 Rgc7 42. g4 fxg4+ 43. Kxg4 Rxb6 44. cxb6 Rc5 45. Re5 Rc4 46. Rb5 Ra4 47. Rh5 Ke7 48. Rh7+ Kd6 49. Rxb7 Rxa5 50. Ra7 Rb5 51. b7 Kc7 52. b8Q+ Kxb8 53. Ra6 Kc7 54. Rxe6 Kd7 55. f5 Rb1 56. Kg5 Rg1+ 57. Kf6 Rf1 58. Re5 Kd6 59. Re2 Kd7 60. Kg6 Rg1+ 61. Kf7 Kd6 62. f6 Kd7 63. Rd2+ Kc8 64. Kf8 Rg3 65. Rd6 Kc7 66. Rd4 Rg1 67. f7 Re1 68. Kg7 Rg1+ 69. Kf6 Rf1+ 70. Kg6 Kc8 71. Rd5 Kc7 72. Rf5 1-0

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.22"]
[Round "7.2"]
[White "Poelstra, Ben"]
[Black "Van der Werff, Frank"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1888"]
[BlackElo "1942"]
[PlyCount "43"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Be3 Nf6 7. Nbd2 cxd4 8. Bc4 Qd6 9. Nxd4 Nxd4 10. Bxd4 Be6 11. Qa4+ Nd7 12. Ne4 Qc6 13. Qxc6 bxc6 14. Bxe6 fxe6 15. Ng5 e5 16. Be3 h6 17. Nf3 e6 18. 0-0-0 Be7 19. Nd2 0-0 20. Nc4 Rfd8 21. Na5 Rac8 22. Nb7 1-0

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.21"]
[Round "6.6"]
[White "Schicktanz, Florian"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1728"]
[BlackElo "1888"]
[PlyCount "89"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. Nf3 Bb7 7. Bg5 h6 8. Bd2 Ne4 9. g3 Nc6 10. Qa4 Na5 11. c5 Nxd2 12. Kxd2 0-0 13. Bg2 d6 14. cxd6 cxd6 15. Nh4 Qc7 16. Bxb7 Qxb7 17. Rab1 Rac8 18. Qxa5 Qxh1 19. Rxh1 bxa5 20. Rb1 Rb8 21. Rxb8 Rxb8 22. Kc2 a4 23. Nf3 g5 24. Nd2 d5 25. c4 dxc4 26. Nxc4 Rb3 27. Nd2 Rb5 28. Nc4 g4 29. Ne5 h5 30. f4 gxf3 31. Nxf3 Rb3 32. Nd2 Re3 33. Kd1 Rxa3 34. Ne4 Kg7 35. Nc5 Ra1+ 36. Kd2 a3 37. Na4 a2 38. Nc3 Rd1+ 39. Kxd1 a1Q+ 40. Kd2 a5 41. Kd3 a4 42. h4 a3 43. e4 a2 44. Ne2 Qd1+ 45. Ke3 0-1

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.20"]
[Round "5.7"]
[White "Poelstra, Ben"]
[Black "Van den Heuvel, Annelies"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1888"]
[BlackElo "1668"]
[PlyCount "105"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5 6. Be2 Qd6 7. Nd2 Be6 8. Nf3 Ng4 9. 0-0 h5 10. d4 Bb6 11. c4 c5 12. e5 Qe7 13. d5 0-0-0 14. Qc2 Bd7 15. Bf4 h4 16. h3 Nh6 17. Bd3 Rdg8 18. Bg5 f6 19. Bxh4 g5 20. Bg3 fxe5 21. Nxe5 Be8 22. Rfe1 Qf6 23. Qc3 Nf5 24. Nd7 Qf7 25. Nxb6+ axb6 26. Bxf5+ Qxf5 27. Qe5 Qd7 28. Qe6 Qxe6 29. Rxe6 Bd7 30. Re7 Kd8 31. Rae1 Re8 32. Rxe8+ Rxe8 33. Rxe8+ Bxe8 34. Be5 b5 35. cxb5 Bxb5 36. Bf6+ Kd7 37. Bxg5 Bc4 38. a3 Bxd5 39. f3 c4 40. Bd2 b5 41. Kf2 c6 42. Ke3 Ke6 43. g4 Kf6 44. Kf4 Kg6 45. h4 Kh7 46. Kg3 Kg6 47. f4 Be4 48. f5+ Kh7 49. Kf4 Bd5 50. g5 Bg2 51. g6+ Kg7 52. Kg5 Bd5 53. h5 1-0

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.18"]
[Round "4.4"]
[White "Bruggink, Tycho"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C59"]
[WhiteElo "1827"]
[BlackElo "1888"]
[PlyCount "89"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. d4 exd3 12. Nxd3 Qc7 13. b3 0-0 14. Bb2 Ne4 15. Nd2 Bf5 16. h3 Rfe8 17. 0-0 Rad8 18. Re1 Bb4 19. Nxe4 Bxe1 20. Qxe1 Bxe4 21. Qc3 f6 22. Nc5 Bd5 23. Bh5 Bf7 24. Bf3 Qe5 25. Qxe5 fxe5 26. Bc3 e4 27. Bxe4 Rxe4 28. Nxe4 Nb7 29. f3 Bd5 30. Kf2 Kf7 31. Re1 Nd6 32. Ng3 g6 33. Bb4 Be6 34. Bxd6 Rxd6 35. Ke2 c5 36. Ne4 Rc6 37. c4 Ra6 38. Nc3 g5 39. Rd1 h5 40. g4 hxg4 41. hxg4 Kf6 42. Rd2 Ke5 43. Ke3 Bc8 44. Ne4 Rh6 45. Rd5+ 1-0

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.17"]
[Round "3.8"]
[White "Said, Omar"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1729"]
[BlackElo "1888"]
[PlyCount "58"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bd3 Bg4 8. h3 Bh5 9. Bf4 Nc6 10. d5 Nb4 11. Bb5+ c6 12. dxc6 bxc6 13. Ba4 0-0 14. g4 Bg6 15. Nh4 Nfd5 16. Nxd5 Nxd5 17. Nxg6 fxg6 18. Bd2 Qb6 19. 0-0 Bh4 20. Be1 Nf4 21. Qf3 d5 22. Bd2 Ne6 23. Qe3 Nd4 24. Bc3 Nf3+ 25. Kg2 d4 26. Qe6+ Kh8 27. Be1 Qc7 28. Rh1 Nxe1+ 29. Raxe1 Rxf2+ 0-1

[Event "Hoogeveen Amateurs op 25th"]
[Site "Hoogeveen"]
[Date "2022.10.16"]
[Round "2.15"]
[White "Poelstra, Ben"]
[Black "Knobbe, Elise"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1888"]
[BlackElo "1496"]
[PlyCount "157"]
[EventDate "2022.10.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. Be2 e6 7. Be3 cxd4 8. cxd4 Be7 9. Nc3 Qd8 10. 0-0 0-0 11. a3 a6 12. Qb3 b5 13. Rfd1 Nd5 14. Rac1 Bb7 15. Nxd5 Qxd5 16. Qxd5 exd5 17. b4 Bf6 18. Rc5 Rfd8 19. g4 g6 20. h3 Be7 21. Rc2 Bf6 22. Kg2 Re8 23. Rdc1 Rec8 24. Rc5 Ne7 25. Rc7 Bc6 26. Rxc8+ Rxc8 27. Kg3 Bb7 28. Rxc8+ Nxc8 29. Ne5 Nb6 30. Bf3 Bxe5+ 31. dxe5 Nc4 32. Bc1 Nxe5 33. Bg2 f6 34. f4 Nc4 35. f5 g5 36. Kf2 Kf7 37. Ke2 Ke7 38. Kd3 Kd6 39. Kd4 a5 40. bxa5 Nxa5 41. Bb2 Nc4 42. Bc3 Nb6 43. Bb4+ Kd7 44. Bc5 Na4 45. Bb4 Nb6 46. Kc5 Nc4 47. Kxb5 Nd6+ 48. Kb6 Bc6 49. Kc5 Ne4+ 50. Kd4 Kd8 51. Be1 Kd7 52. Bf3 Kd6 53. Bd1 Kd7 54. a4 Nd6 55. a5 Nb5+ 56. Kc5 d4 57. Bc2 Kc7 58. Bd3 Na7 59. a6 Bg2 60. Bg3+ Kd7 61. Bb8 Nc6 62. a7 Nxa7 63. Bxa7 Bxh3 64. Be2 d3 65. Bd1 Bf1 66. Kd5 Be2 67. Bxe2 dxe2 68. Bf2 h6 69. Bg3 Ke7 70. Ke4 Kd7 71. Kf3 Kc6 72. Kxe2 Kd5 73. Kf3 Kc6 74. Ke4 Kd7 75. Kd5 Ke7 76. Bd6+ Kf7 77. Bc5 h5 78. gxh5 g4 79. Bd6 1-0

[Event "Muensterland Regionalliga Gr1 2223"]
[Site "Germany"]
[Date "2022.09.24"]
[Round "2.2"]
[White "Blockhaus, Tobias"]
[Black "Poelstra, Ben"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "1868"]
[BlackElo "1996"]
[PlyCount "86"]
[EventDate "2022.09.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Muenster SK IV"]
[BlackTeam "Metelen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 d6 5. a4 Bg4 6. Nge2 Be7 7. Be3 Qd7 8. f3 Be6 9. Nd5 Bxd5 10. Bxd5 Nxd5 11. exd5 Nb4 12. Nc3 a5 13. 0-0 0-0 14. Rc1 f5 15. d4 Rad8 16. Qe2 Bf6 17. Qc4 f4 18. Bf2 exd4 19. Bxd4 Bxd4+ 20. Qxd4 Qf5 21. Rf2 b6 22. Rd2 Rde8 23. Ne4 Re5 24. c4 Rfe8 25. Re1 g5 26. h3 Na6 27. Rc1 h5 28. Kf2 g4 29. hxg4 hxg4 30. Rh1 Nc5 31. Re2 g3+ 32. Kf1 Kf7 33. Rh4 Nxe4 34. Rxe4 Rxe4 35. fxe4 Rxe4 36. Qh8 Re1+ 37. Kxe1 Qe4+ 38. Kd2 Qxg2+ 39. Kc3 Qf3+ 40. Kc2 Qe2+ 41. Kb3 Qd1+ 42. Kc3 Qc1+ 43. Kd3 Qe3+ 1/2-1/2

[Event "Muensterland Regionalliga Gr1 2223"]
[Site "Germany"]
[Date "2022.09.03"]
[Round "1.3"]
[White "Hegemann, Eike"]
[Black "Poelstra, Ben"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1913"]
[BlackElo "1996"]
[PlyCount "134"]
[EventDate "2022.09.03"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Saerbeck"]
[BlackTeam "Metelen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bd3 Bg4 8. h3 Bh5 9. Bf4 Nc6 10. g4 Bg6 11. d5 Nb4 12. Bxg6 hxg6 13. a3 Na6 14. Nd4 Qd7 15. Qf3 Rc8 16. 0-0-0 0-0 17. Rdg1 c6 18. dxc6 bxc6 19. h4 c5 20. Ndb5 d5 21. g5 Ne4 22. Rd1 Nxc3 23. Nxc3 d4 24. Nd5 Bd6 25. Bxd6 Qxd6 26. h5 Nc7 27. Nxc7 Qxc7 28. h6 Qe5 29. Qg4 Rfe8 30. hxg7 Kxg7 31. f4 Qf5 32. Qxf5 gxf5 33. Rde1 Re6 34. Kd2 Rce8 35. b4 c4 36. Rxe6 Rxe6 37. Re1 Ra6 38. Re5 Rxa3 39. Rd5 Ra4 40. Rxd4 Rxb4 41. Kc3 Rb7 42. Kxc4 a5 43. Kd5 f6 44. Kc6 Rb2 45. gxf6+ Kxf6 46. c4 a4 47. Rd6+ Ke7 48. Rd7+ Ke6 49. Ra7 Rf2 50. Rxa4 Rxf4 51. Kb6 Re4 52. Kb5 f4 53. Ra6+ Ke5 54. Ra8 f3 55. Rf8 Rf4 56. Re8+ Kd4 57. Rd8+ Ke3 58. Re8+ Re4 59. Ra8 f2 60. Ra3+ Ke2 61. Ra2+ Kf3 62. Rxf2+ Kxf2 63. c5 Ke3 64. c6 Kd4 65. c7 Re5+ 66. Kb6 Rc5 67. Kb7 Kd5 1/2-1/2

[Event "Muensterland Regionalliga playoff Gr2"]
[Site "Germany"]
[Date "2022.03.19"]
[Round "1.3"]
[White "Mueller, Achim2222"]
[Black "Poelstra, Ben"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1980"]
[BlackElo "1966"]
[PlyCount "102"]
[EventDate "2022.03.19"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Emsdetten Rochade"]
[BlackTeam "Metelen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bg4 7. h3 Bh5 8. Nbd2 Nxd2 9. Bxd2 Nc6 10. c3 Bd6 11. Qe2+ Qe7 12. 0-0 Qxe2 13. Bxe2 0-0 14. Rfe1 Rfe8 15. g4 Bg6 16. Bb5 Rxe1+ 17. Rxe1 Ne7 18. Ne5 c6 19. Bf1 f6 20. Nxg6 hxg6 21. Bf4 Bxf4 22. Rxe7 Rb8 23. c4 Bc1 24. b3 Bb2 25. cxd5 cxd5 26. Rd7 Bxd4 27. Rxd5 Bb6 28. Bc4 Kh7 29. Bd3 Kh6 30. Kg2 g5 31. h4 Rd8 32. hxg5+ fxg5 33. Be4 Rxd5 34. Bxd5 Kg6 35. Kf3 Kf6 36. Ke4 Bxf2 37. Bxb7 Ke6 38. Kd3 Kd6 39. Kc4 Kc7 40. Bd5 Kb6 41. b4 a5 42. b5 Be1 43. Bc6 Bd2 44. Kd3 Bc1 45. Kd4 Bb2+ 46. Kd5 Bc3 47. Be8 Ba1 48. Ke6 Bf6 49. Kd5 Bb2 50. Bd7 Ba3 51. Bc6 Bb2 1/2-1/2

[Event "Hoogeveen op 24th"]
[Site "Hoogeveen"]
[Date "2021.10.16"]
[Round "2"]
[White "Bezemer, Arno J"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "E45"]
[WhiteElo "2283"]
[BlackElo "1979"]
[PlyCount "101"]
[EventDate "2021.10.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[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 0-0 9. Be2 Nc6 10. b4 Bb7 11. cxd5 exd5 12. 0-0 Re8 13. Bb2 Ne4 14. Nxe4 dxe4 15. Qg3 Qd6 16. Rac1 Rac8 17. Bg4 Rcd8 18. b5 Na5 19. Rxc7 g6 20. Qxd6 Rxd6 21. Bc3 Rb8 22. Bb4 Rd5 23. Be2 Rdd8 24. Rfc1 Rdc8 25. Kf1 Rxc7 26. Rxc7 Rc8 27. Rxc8+ Bxc8 28. Bxa5 bxa5 29. Ke1 Kf8 30. Kd2 Ke7 31. Kc3 Kd6 32. Bc4 f5 33. Kb3 Kc7 34. Bg8 h6 35. Kc4 Kd6 36. h4 g5 37. hxg5 hxg5 38. g3 Bd7 39. d5 Bc8 40. Be6 Bxe6 41. dxe6 Kxe6 42. Kc5 f4 43. Kc6 Kf5 44. Kb7 Kg4 45. gxf4 gxf4 46. exf4 Kxf4 47. Kxa7 Kf3 48. b6 Kxf2 49. b7 e3 50. b8Q e2 51. Qf4+ 1-0

[Event "Muensterland Regionalliga 2122"]
[Site "Germany"]
[Date "2021.10.02"]
[Round "1.4"]
[White "Poelstra, Ben"]
[Black "Lemli, Thomas"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1990"]
[BlackElo "1997"]
[PlyCount "123"]
[EventDate "2021.10.02"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Metelen"]
[BlackTeam "Emsdetten Rochade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Ne7 5. Nf3 Nec6 6. a3 c4 7. Bf4 Na5 8. Nbd2 Qc7 9. Bg3 Bd7 10. Be2 Nbc6 11. 0-0 0-0-0 12. b4 cxb3 13. Nxb3 Nxb3 14. Qxb3 Na5 15. Qa2 Be7 16. c4 Bc6 17. c5 g5 18. a4 h5 19. h4 gxh4 20. Bxh4 Rdg8 21. g3 Rg4 22. Qd2 Nb3 23. Qc2 Nxa1 24. Rxa1 Rhg8 25. Kg2 Qd7 26. Kh3 Bxh4 27. Nxh4 R4g5 28. a5 a6 29. Rb1 Qc7 30. Qc3 Qd7 31. Kh2 Qc7 32. Kh3 Qd8 33. Rb6 Kd7 34. Qb4 Qc7 35. Qd2 f6 36. Nf3 R5g6 37. Nh4 Rg5 38. Qf4 f5 39. Ng2 Qd8 40. Nh4 Qe7 41. Ng2 R5g7 42. Qd2 h4 43. Nxh4 Rh8 44. Qb2 f4 45. Rxb7+ Bxb7 46. Qxb7+ Ke8 47. Qc8+ Qd8 48. Qxe6+ Kf8 49. Bg4 fxg3 50. fxg3 Rgh7 51. Kg2 Rxh4 52. gxh4 Qxh4 53. Qf5+ Kg7 54. Bh3 Rh5 55. Qd7+ Kf8 56. Qc8+ Kg7 57. Qd7+ Kf8 58. Qc8+ Kg7 59. Qb7+ Kf8 60. Qc8+ Kg7 61. Qd7+ Kf8 62. Qc8+ 1/2-1/2

[Event "Muensterland Regionalliga 1920"]
[Site "Germany"]
[Date "2019.11.30"]
[Round "4.3"]
[White "Poelstra, Ben"]
[Black "Nolting, Bodo"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2008"]
[BlackElo "1726"]
[PlyCount "119"]
[EventDate "2019.09.07"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Metelen"]
[BlackTeam "Duelmen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. 0-0 0-0 10. Bg5 Be6 11. Qf3 h6 12. Bxf6 Qxf6 13. Qxf6 gxf6 14. Ne2 c5 15. c3 Ba5 16. Nf4 Rab8 17. Rab1 c4 18. Bc2 Rb6 19. Rfd1 Rfb8 20. b4 cxb3 21. Bxb3 Bxc3 22. Nxd5 Bxd5 23. Rxd5 R6b7 24. Rbd1 a5 25. g3 Rxb3 26. axb3 Rxb3 27. R5d3 a4 28. Rc1 Be5 29. Rxb3 axb3 30. Rc5 b2 31. Rb5 Kg7 32. f4 Bd4+ 33. Kf1 f5 34. Ke2 Kg6 35. Kd3 Bf6 36. Kc2 h5 37. h3 Bd4 38. Rd5 Bf6 39. Rd6 Kg7 40. Rc6 Kg6 41. Rb6 Kg7 42. Rb5 Kg6 43. Rd5 Bg7 44. Rd6+ Bf6 45. Rb6 Kg7 46. Kd3 Kg6 47. Rb5 Bg7 48. Kc4 Bf6 49. Kd5 Bc3 50. Rb6+ Kg7 51. Kd6 Bf6 52. Kd7 Bd4 53. Rb7 Kf8 54. Rb8+ Kg7 55. Ke8 Kg6 56. Kf8 f6 57. Ke7 Bf2 58. Rb3 Bd4 59. Ke6 Bf2 60. Kd5 1-0

[Event "Muensterland Verbandsliga 1819 playoff"]
[Site "Germany"]
[Date "2019.05.25"]
[Round "2.3"]
[White "Poelstra, Ben"]
[Black "Lanfer, Stefan"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "1988"]
[BlackElo "1780"]
[PlyCount "37"]
[EventDate "2019.05.18"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "GER"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]
[WhiteTeam "Metelen"]
[BlackTeam "Gescher"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 0-0 9. 0-0 Nc6 10. a3 h6 11. Re1 a6 12. Bc2 f5 13. Bb3 Bf6 14. Nxd5 exd5 15. Bf4 Kh8 16. Ne5 Bxe5 17. Bxe5 Re8 18. Qd2 Be6 19. Qxh6+ 1-0

[Event "Muensterland Verbandsliga 1819"]
[Site "Germany"]
[Date "2019.02.16"]
[Round "7.2"]
[White "Eissing, Christoph"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "2005"]
[BlackElo "1980"]
[PlyCount "91"]
[EventDate "2018.09.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Gescher"]
[BlackTeam "Metelen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 d6 5. Nc3 Nf6 6. b3 Be7 7. Bb2 Be6 8. 0-0-0 0-0 9. f3 Ng4 10. Qd2 f5 11. Kb1 Bg5 12. f4 Be7 13. exf5 Bxf5 14. h3 Nf6 15. g4 Bg6 16. Nf3 Kh8 17. Ng5 Bf7 18. Nxf7+ Rxf7 19. Bc4 Rf8 20. Ne2 d5 21. Bxd5 Qxd5 22. Qxd5 Nxd5 23. Rxd5 Bd6 24. Ng3 Rxf4 25. Nf5 Ne7 26. Rxd6 cxd6 27. Nxe7 Rf7 28. Nf5 Rd8 29. Re1 Kg8 30. Nxd6 Rxd6 31. Re8+ Rf8 32. Rxf8+ Kxf8 33. Ba3 Ke7 34. Kc1 Ke6 35. Bxd6 Kxd6 36. Kd2 Ke5 37. Ke3 g5 38. c4 a5 39. a3 b6 40. b4 a4 41. Kd3 Kf4 42. c5 bxc5 43. bxc5 Ke5 44. Kc4 Ke6 45. Kb5 Kd5 46. c6 1-0

[Event "Muensterland Verbandsliga 1819"]
[Site "Germany"]
[Date "2018.09.22"]
[Round "2.4"]
[White "Poelstra, Ben"]
[Black "Thesing, Ansgar"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1980"]
[BlackElo "1784"]
[PlyCount "65"]
[EventDate "2018.09.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Metelen"]
[BlackTeam "Borken"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Nc6 6. Be2 e6 7. 0-0 Be7 8. Na3 0-0 9. Nb5 Qd8 10. dxc5 Bxc5 11. Bg5 Qb6 12. Bxf6 gxf6 13. b4 Be7 14. Qb3 a6 15. Nbd4 Nxd4 16. Nxd4 e5 17. Nc2 Qe6 18. Bc4 Qg4 19. Ne3 Qg6 20. Nd5 Bd6 21. Rad1 Bh3 22. Ne3 Rad8 23. Kh1 Bc8 24. Rd2 Bb8 25. Rfd1 Rxd2 26. Rxd2 Kh8 27. Bxf7 Qxf7 28. Qxf7 Rxf7 29. Rd8+ Kg7 30. Rxc8 Ba7 31. Nf5+ Kg6 32. g4 Bxf2 33. Rg8+ 1-0

[Event "Muensterland Verbandsliga 1819"]
[Site "Germany"]
[Date "2018.09.01"]
[Round "1.4"]
[White "Sicking, Norbert"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1799"]
[BlackElo "1980"]
[PlyCount "58"]
[EventDate "2018.09.01"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Heiden"]
[BlackTeam "Metelen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 c5 5. c3 Nc6 6. 0-0 Bd6 7. a3 0-0 8. b4 cxb4 9. cxb4 Qb6 10. Nc3 a5 11. b5 Na7 12. a4 Bd7 13. Qd3 Rac8 14. Bb2 Rc7 15. Rfc1 Rfc8 16. Nd2 Bb4 17. Nb3 Qd6 18. Na2 Rxc1+ 19. Rxc1 Ba3 20. Rxc8+ Nxc8 21. Bc3 b6 22. Nd2 Qf8 23. e4 dxe4 24. Nxe4 Nd5 25. Qc4 h6 26. Bd2 Qd8 27. Qb3 Be7 28. Nec3 Nxc3 29. Qxc3 Bf6 0-1

[Event "Paris-ch op-A 89th"]
[Site "Paris"]
[Date "2014.07.12"]
[Round "8"]
[White "Poelstra, Ben"]
[Black "Daurelle, Herve"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1995"]
[BlackElo "2189"]
[PlyCount "34"]
[EventDate "2014.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. exd6 Qxd6 7. Nf3 Nc6 8. Nc3 Bg4 9. Be2 e6 10. 0-0 Be7 11. Ne4 Qb4 12. a3 Qb6 13. Qa4 0-0 14. Rd1 Rfd8 15. Be3 Qxb2 16. Kf1 Bxf3 17. Bxf3 Nb6 0-1

[Event "Paris-ch op-B 87th"]
[Site "Paris"]
[Date "2012.07.13"]
[Round "7"]
[White "Castro, John"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2183"]
[BlackElo "2041"]
[PlyCount "99"]
[EventDate "2012.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Nc6 4. d3 Be7 5. Nge2 0-0 6. 0-0 Na5 7. Ng3 d6 8. Bb3 Nxb3 9. axb3 Be6 10. f4 exf4 11. Bxf4 a6 12. Qd2 d5 13. e5 Ne8 14. Rae1 g5 15. Be3 d4 16. Nce4 dxe3 17. Qxe3 f5 18. exf6 Bxf6 19. Nxf6+ Rxf6 20. Rxf6 Qxf6 21. Qxe6+ Qxe6 22. Rxe6 Kf7 23. Re5 h6 24. Nf5 h5 25. Ng3 Kg6 26. Ne4 g4 27. Rg5+ Kh6 28. Rg8 Rc8 29. Rh8+ Kg6 30. Nc5 Nd6 31. Rxc8 Nxc8 32. Nxb7 Nb6 33. Nc5 a5 34. Kf2 Nd5 35. c3 Kf5 36. g3 Nb6 37. c4 Ke5 38. Ke3 c6 39. d4+ Kf5 40. Kd3 Nc8 41. Nb7 Ne7 42. Nxa5 h4 43. Ke3 Kg5 44. Kf2 h3 45. b4 Kf5 46. b5 cxb5 47. cxb5 Ke6 48. b6 Kd6 49. b7 Kc7 50. Ke3 1-0

[Event "Paris-ch op-B 87th"]
[Site "Paris"]
[Date "2012.07.12"]
[Round "6"]
[White "Valenti, Richard"]
[Black "Poelstra, Ben"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "2149"]
[BlackElo "2041"]
[PlyCount "53"]
[EventDate "2012.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Nf3 Be7 6. Qe2 Nxc3 7. dxc3 Be6 8. Bf4 c6 9. 0-0-0 Qa5 10. a3 Nd7 11. Nd4 Nc5 12. Qe3 0-0 13. Bd3 Nxd3+ 14. Qxd3 c5 15. Nf5 Bxf5 16. Qxf5 Rad8 17. Rd3 Qb6 18. Rhd1 Qe6 19. Qh3 Rd7 20. Rg3 Qxh3 21. Rxh3 Re8 22. Rhd3 Red8 23. c4 d4 24. c3 Kf8 25. Be3 Ke8 26. cxd4 cxd4 27. Bg1 1/2-1/2

[Event "Paris-ch op-B 87th"]
[Site "Paris"]
[Date "2012.07.11"]
[Round "5"]
[White "Poelstra, Ben"]
[Black "Inouss, Badr"]
[Result "1-0"]
[ECO "B79"]
[WhiteElo "2041"]
[BlackElo "1942"]
[PlyCount "104"]
[EventDate "2012.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Qa5 11. Nb3 Qc7 12. Nb5 Qb8 13. g4 Ne5 14. Qe2 Nxe4 15. fxe4 Bxg4 16. Qf1 Bxd1 17. Kxd1 Nxc4 18. Qxc4 Bxb2 19. Bd4 Bxd4 20. N5xd4 e5 21. Ne2 b5 22. Qd5 b4 23. Rf1 Qc7 24. Rf3 a5 25. Nbc1 Ra6 26. c3 Rc8 27. cxb4 axb4 28. Ke1 Ra5 29. Qd2 Qc4 30. Qd3 Ra3 31. Qxc4 Rxc4 32. Rf6 Ra6 33. Rf3 Rxe4 34. Kd2 f5 35. Rd3 Kf7 36. Kc2 Ke6 37. Kb2 h5 38. Ng1 Rc4 39. Rg3 Kf6 40. Nf3 Rac6 41. Rg1 Rc2+ 42. Kb1 Rf2 43. Ne1 Rxh2 44. Ncd3 Rc4 45. Nf3 Rh3 46. Nfe1 g5 47. Nf2 Rh2 48. Nd1 Re2 49. Nb2 Rg4 50. Rf1 h4 51. Nbd3 Rd4 52. Nc1 Rxe1 1-0

[Event "Paris-ch op-B 87th"]
[Site "Paris"]
[Date "2012.07.10"]
[Round "4"]
[White "Chitrit, Norbert"]
[Black "Poelstra, Ben"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1871"]
[BlackElo "2041"]
[PlyCount "73"]
[EventDate "2012.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 4. Be2 Be7 5. Nbd2 0-0 6. Nf1 d5 7. Ng3 dxe4 8. dxe4 Qxd1+ 9. Bxd1 Bg4 10. c3 Nh5 11. Nxh5 Bxh5 12. Nxe5 Nxe5 13. Bxh5 Nd3+ 14. Ke2 Nxc1+ 15. Raxc1 Bg5 16. Rcd1 Rad8 17. Rd5 Rxd5 18. exd5 Re8+ 19. Kd3 g6 20. Bf3 Kf8 21. h4 Bf4 22. g3 Be5 23. Re1 Bd6 24. Rxe8+ Kxe8 25. b4 b6 26. Bd1 Ke7 27. Kc4 a6 28. a4 Kf6 29. Be2 Ke5 30. Bf3 f5 31. Kd3 h6 32. Ke3 a5 33. bxa5 Bc5+ 34. Ke2 bxa5 35. Bg2 g5 36. hxg5 hxg5 37. Bf3 1/2-1/2

[Event "Paris-ch op-B 87th"]
[Site "Paris"]
[Date "2012.07.09"]
[Round "3"]
[White "Poelstra, Ben"]
[Black "Renouard, Ludovic"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2041"]
[BlackElo "1886"]
[PlyCount "123"]
[EventDate "2012.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 0-0 7. 0-0 b6 8. f4 Bb7 9. Bf3 Nbd7 10. Be3 Re8 11. e5 Bxf3 12. Qxf3 dxe5 13. Nc6 e4 14. Qh3 Qc8 15. Rfd1 Bf8 16. Qf5 Nc5 17. Qxc8 Rexc8 18. Nd5 Nxd5 19. Rxd5 Nb7 20. Rad1 Re8 21. Rd7 Bd6 22. Kf1 Nd8 23. Nd4 Ne6 24. Nb5 Red8 25. Rxd8+ Rxd8 26. Nxa7 f5 27. Nb5 Be7 28. Rxd8+ Bxd8 29. Nd4 Nxd4 30. Bxd4 Kf7 31. Ke2 g6 32. c4 Ke6 33. b4 c6 34. a4 c5 35. bxc5 bxc5 36. Bxc5 Ba5 37. Ke3 Kd7 38. Ba3 Kc6 39. Kd4 Bc7 40. Bc1 Bb6+ 41. Ke5 e3 42. Kf6 e2 43. Bd2 Bg1 44. h3 Bh2 45. Kg7 Kc5 46. Kxh7 Kxc4 47. Be1 Bxf4 48. Kxg6 Kd3 49. Kxf5 Bd2 50. Bf2 Be3 51. Bh4 Kc2 52. a5 Kd3 53. g4 Bc5 54. a6 Ke3 55. g5 Kf3 56. g6 Bf2 57. a7 Bxa7 58. g7 Bf2 59. g8Q e1Q 60. Qg4+ Ke3 61. Qe4+ Kd2 62. Qxe1+ 1-0

[Event "Paris-ch op-B 87th"]
[Site "Paris"]
[Date "2012.07.08"]
[Round "2"]
[White "Bourcier, Laurent"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1859"]
[BlackElo "2041"]
[PlyCount "65"]
[EventDate "2012.07.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. e3 Be7 8. Bb5+ c6 9. Bd3 0-0 10. e4 Nxc3 11. bxc3 c5 12. 0-0 Nd7 13. Bf4 Qc8 14. Qe2 Re8 15. Rfe1 Bf6 16. e5 Be7 17. Ng5 Bxg5 18. Bxg5 Nf8 19. Qg4 cxd4 20. cxd4 Qc3 21. Rad1 Qxa3 22. Re3 Qa4 23. Rh3 Rac8 24. Bf6 Ng6 25. Qh5 gxf6 26. exf6 Qxd1+ 27. Qxd1 Red8 28. Qh5 Rc1+ 29. Bf1 Kf8 30. Qxh7 Ke8 31. Qg8+ Nf8 32. Rh7 Kd7 33. Qxf7+ 1-0

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.22"]
[Round "9"]
[White "Poelstra, Ben"]
[Black "Hummel, Joop"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2102"]
[BlackElo "2004"]
[PlyCount "62"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 a5 7. Bd3 Qb6 8. 0-0 Nh6 9. dxc5 Bxc5 10. Nbd2 Ng4 11. Qe2 f6 12. exf6 Nxf6 13. b4 axb4 14. cxb4 Bd6 15. Bb2 0-0 16. Ne5 Nxe5 17. Bxe5 Be8 18. Nb3 Bh5 19. Qb2 Ng4 20. Bg3 Bxg3 21. hxg3 e5 22. Nc5 Qh6 23. Be2 Nh2 24. g4 Bxg4 25. Qxe5 Bxe2 26. Qxe2 Nf3+ 27. Qxf3 Rxf3 28. gxf3 b6 29. Nb3 Qg5+ 30. Kh2 Rf8 31. Rg1 Qh5+ 0-1

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.21"]
[Round "8"]
[White "Mol, Christiaan"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2013"]
[BlackElo "2102"]
[PlyCount "126"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. e3 0-0 6. Bd3 c5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 dxc4 10. Bxc4 Qc7 11. Qb3 Bd7 12. Ne2 Nc6 13. Bd3 Ne5 14. c4 Rfd8 15. Bb2 Nxd3+ 16. Qxd3 Bb5 17. Qc3 Qxc4 18. Qxc4 Bxc4 19. Nf4 a6 20. Rd1 Kf8 21. Kf2 Ke7 22. Bd4 g6 23. Rc1 b5 24. Rhd1 Nd7 25. Nh3 e5 26. Bc3 f6 27. g4 Ke6 28. e4 g5 29. Ra1 Bb3 30. Rd2 Ba4 31. Kg3 Nb6 32. Nf2 Rxd2 33. Bxd2 Rd8 34. Bc3 Nc4 35. h4 h6 36. hxg5 hxg5 37. Rh1 Na3 38. Rh7 Rd6 39. Rc7 Bb3 40. Bb2 Nc4 41. Bc3 Ne3 42. Be1 Bc4 43. Bc3 Nc2 44. Kg2 Nd4 45. Be1 Be2 46. Rc3 Rc6 47. Rxc6+ Nxc6 48. Nh3 Nd4 49. Ng1 Bd1 50. Bc3 Kd6 51. Kf2 Nc2 52. Kf1 Kc6 53. Kf2 a5 54. bxa5 b4 55. Bb2 Kb5 56. a6 Kxa6 57. Nh3 Kb5 58. Nxg5 fxg5 59. Bxe5 b3 60. Bb2 Kc4 61. Kg3 Nb4 62. f4 gxf4+ 63. Kh4 f3 0-1

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.20"]
[Round "7"]
[White "Poelstra, Ben"]
[Black "Hendriks, Richard V"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2102"]
[BlackElo "2136"]
[PlyCount "9"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Nxc6 1/2-1/2

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.19"]
[Round "6"]
[White "Poelstra, Ben"]
[Black "Majhi, Ankit"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2102"]
[BlackElo "1760"]
[PlyCount "124"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nf6 7. Bg5 d6 8. Qe2 Bg4 9. f3 Be6 10. 0-0-0 h6 11. Bh4 g5 12. Bf2 Qe7 13. h4 0-0-0 14. Bxb6 axb6 15. hxg5 hxg5 16. Rxh8 Rxh8 17. Qb5 Ne5 18. Qa4 Kd8 19. Be2 Qd7 20. Bb5 Bxb3 21. axb3 Qc8 22. Qd4 Ke7 23. Qe3 Qg8 24. Bc4 Rh2 25. g3 Qg6 26. Nb5 Ne8 27. Nd4 Kf8 28. Bd5 c6 29. Bc4 d5 30. Be2 dxe4 31. fxe4 Nd6 32. Nf3 Nxf3 33. Bxf3 g4 34. Rh1 Rxh1+ 35. Bxh1 Qh5 36. Qe1 Qa5 37. Qxa5 bxa5 38. Kd2 f5 39. Ke3 Kf7 40. exf5 Nxf5+ 41. Kf4 Kf6 42. Be4 Nd4 43. Bd3 b5 44. Kxg4 c5 45. c3 Nxb3 46. Bxb5 Ke5 47. Kf3 Nd2+ 48. Ke3 Ne4 49. g4 Nf6 50. Be2 Nd5+ 51. Kd3 Nb6 52. b3 a4 53. bxa4 Nxa4 54. Kc4 Kf4 55. Kd3 Nb6 56. Bd1 Nd5 57. Be2 Nb6 58. c4 Nd7 59. Kc3 Nf6 60. Kb3 Ne4 61. Kc2 Nd6 62. Kd2 Nxc4+ 1/2-1/2

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.18"]
[Round "5"]
[White "Baskin, Robert"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2016"]
[BlackElo "2102"]
[PlyCount "109"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 8. Qd2 0-0 9. 0-0-0 Bf6 10. Bd3 Ne5 11. Bxe5 dxe5 12. Qe3 Qe7 13. Kb1 Re8 14. Qe4 g6 15. g4 Bd7 16. Bc4 Rad8 17. Rhe1 Bc6 18. Bd5 Bxd5 19. Rxd5 Rxd5 20. Qxd5 c6 21. Qe4 Qc5 22. Qe2 Qe7 23. Nd2 Bh4 24. Qf3 Qf6 25. Qxf6 Bxf6 26. f4 Kf8 27. f5 Bh4 28. Re2 Rd8 29. a4 Bg5 30. Nf3 Bf4 31. Nxe5 Bxe5 32. Rxe5 Rd1+ 33. Ka2 Rd2 34. f6 Rxh2 35. Re7 Rf2 36. g5 h6 37. Rxb7 Kg8 38. Rb8+ Kh7 39. Rf8 hxg5 40. Rxf7+ Kh6 41. Rxa7 g4 42. Rd7 Rxf6 43. b4 Kg5 44. b5 cxb5 45. axb5 g3 46. Rd1 Kg4 47. c4 g2 48. Rg1 Kg3 49. Kb3 Rf8 50. Rxg2+ Kxg2 51. c5 Kf3 52. c6 Ke4 53. c7 Rf3+ 54. Kb4 Rf8 55. b6 1-0

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.17"]
[Round "4"]
[White "Poelstra, Ben"]
[Black "Rietveld, Renze"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2102"]
[BlackElo "2291"]
[PlyCount "66"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nc3 Nh6 7. Be2 Bg7 8. Bg5 Nf5 9. Nf3 f6 10. exf6 exf6 11. Bf4 0-0 12. 0-0 Be6 13. Qd2 Rc8 14. Na4 Bf7 15. Rac1 g5 16. Be3 Nd6 17. Nc5 b6 18. Na6 Ne4 19. Qd1 Qd6 20. Qa4 h6 21. Rc2 Na5 22. Rfc1 Rxc2 23. Qxc2 Re8 24. Qc7 Re7 25. Qxd6 Nxd6 26. b3 Nf5 27. Rc7 Rxc7 28. Nxc7 Nxe3 29. fxe3 Bf8 30. h3 Bb4 31. Nh2 Nc6 32. Bf3 Ne7 33. Kf2 Bd6 0-1

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.16"]
[Round "3"]
[White "Cox, Jan"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2008"]
[BlackElo "2102"]
[PlyCount "98"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. d4 Be7 6. Nc3 Re8 7. Bc4+ Kf8 8. 0-0 c5 9. d5 Nbd7 10. f4 Nb6 11. Bb5 Bd7 12. Bxd7 Nfxd7 13. e5 Kg8 14. e6 Nf8 15. g4 Bf6 16. g5 Bd4+ 17. Kh1 Nxe6 18. dxe6 Rxe6 19. Nb5 Qd7 20. Nxd4 cxd4 21. Qf3 Rae8 22. f5 Re1 23. Bd2 Rxa1 24. Rxa1 Qc6 25. Rf1 Re2 26. Bf4 Rxc2 27. Qxc6 Rxc6 28. h4 Nc4 29. Rd1 Ne3 30. Bxe3 dxe3 31. Re1 Rc4 32. Kg2 Rxh4 33. Kf3 d5 34. Rxe3 Rh3+ 35. Kf4 Rxe3 36. Kxe3 h5 37. gxh6 gxh6 38. Kd4 Kf7 39. Kxd5 Kf6 40. Ke4 a5 41. Kf4 b5 42. b3 h5 43. a3 b4 44. a4 h4 45. Kg4 h3 46. Kxh3 Kxf5 47. Kg3 Ke4 48. Kf2 Kd3 49. Ke1 Kc2 0-1

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.15"]
[Round "2"]
[White "Poelstra, Ben"]
[Black "Gieben, Stijn"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2102"]
[BlackElo "1940"]
[PlyCount "56"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. exd6 Qxd6 8. Nc3 Nxc3 9. bxc3 g6 10. Bc4 Bg7 11. 0-0 0-0 12. a4 Bg4 13. h3 Bxf3 14. Qxf3 Nxd4 15. Qxb7 Nc6 16. Ba3 Rab8 17. Qa6 Qc7 18. Bd5 Ne5 19. Rab1 Bf6 20. c4 Nd3 21. Rb5 Bd4 22. Rxb8 Rxb8 23. c5 Nxf2 24. Bxf7+ Kg7 25. Qc4 Qf4 26. Rc1 Nxh3+ 27. Kh1 Nf2+ 28. Kg1 Ng4+ 0-1

[Event "Hoogeveen Unive op 15th"]
[Site "Hoogeveen"]
[Date "2011.10.14"]
[Round "1"]
[White "Voekler, Bernd"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2374"]
[BlackElo "2102"]
[PlyCount "31"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Bf4 Be7 8. Qd2 0-0 9. 0-0-0 Bf6 10. h3 Be6 11. Kb1 Ne5 12. Nd4 Nc4 13. Qd3 Ne5 14. Qe4 Qd7 15. Nxe6 fxe6 16. Bxe5 1-0

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.30"]
[Round "9"]
[White "Poelstra, Ben"]
[Black "Van Geffen, Ben"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2148"]
[BlackElo "2171"]
[PlyCount "120"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8. Be3 Bxe3 9. Qxe3 a6 10. Bd3 d6 11. 0-0 0-0 12. f4 Be6 13. Rae1 Bxb3 14. e5 Qh6 15. axb3 dxe5 16. fxe5 Qxe3+ 17. Rxe3 Nd4 18. Rh3 h6 19. Be4 c6 20. Rd3 Rad8 21. Rfd1 Ne6 22. Rd7 Rfe8 23. b4 Rb8 24. g3 Kf8 25. Na4 Rbd8 26. Nb6 Rxd7 27. Rxd7 Rb8 28. c4 Ke8 29. Rd6 Nc8 30. Nxc8 Rxc8 31. b5 cxb5 32. cxb5 axb5 33. Bxb7 Rc5 34. Rd5 b4 35. Kf2 Rc2+ 36. Ke3 Rxb2 37. Bc6+ Kf8 38. Rb5 g6 39. Rb8+ Kg7 40. Bd5 g5 41. Rb7 Kg6 42. Be4+ f5 43. Bd5 f4+ 44. gxf4 Nxf4 45. Be4+ Kh5 46. Bf3+ Kh4 47. Rb6 h5 48. e6 Nxe6 49. Rxe6 Rxh2 50. Re4+ g4 51. Bd1 b3 52. Rb4 b2 53. Be2 Kh3 54. Rxb2 g3 55. Rb5 h4 56. Rg5 Rxe2+ 57. Kxe2 Kg2 58. Ke1 h3 59. Rxg3+ Kxg3 60. Kf1 h2 0-1

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.28"]
[Round "7"]
[White "Lommers, Frank"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2191"]
[BlackElo "2148"]
[PlyCount "67"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. Qc2 c5 7. d4 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. b3 Qb6 11. Nd2 Bb7 12. Bb2 c5 13. cxd5 exd5 14. e3 Rac8 15. Rac1 Rfd8 16. Rfd1 Qe6 17. Bc3 h5 18. h4 Ng4 19. Re1 Ne5 20. Nc4 Ng4 21. Nd2 Bc6 22. Nf3 f6 23. Ba5 Rd7 24. b4 Qe4 25. Qb2 Rb7 26. Qd2 Qf5 27. bxc5 Ne5 28. Nd4 Qg4 29. Nxc6 Nxc6 30. Qxd5+ Kh8 31. Bf3 Qg6 32. Be4 f5 33. Bxf5 Rd8 34. Bxd8 1-0

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.27"]
[Round "6"]
[White "Poelstra, Ben"]
[Black "Hendriks, Richard V"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2148"]
[BlackElo "2110"]
[PlyCount "60"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. exd5 Nf6 6. Nc3 Nxd5 7. Nf3 Bg7 8. Qb3 Nxc3 9. bxc3 0-0 10. Be2 Nc6 11. 0-0 Qc7 12. Be3 Na5 13. Qb4 Be6 14. c4 Rfd8 15. Rac1 Nc6 16. Qd2 Bg4 17. d5 e5 18. c5 e4 19. Ng5 Bxe2 20. Qxe2 Rxd5 21. Nxe4 Re8 22. Nd6 Re6 23. Qc4 Rh5 24. Bf4 Be5 25. Rfe1 Qe7 26. g3 Nd4 27. Rc3 Bxf4 28. Rxe6 Nxe6 29. gxf4 Rxc5 30. Nc8 Qc7 0-1

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.26"]
[Round "5"]
[White "Klapwijk, Bram"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2022"]
[BlackElo "2148"]
[PlyCount "101"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nd5 Be7 6. Bf4 d6 7. Nxd4 Nxd4 8. Qxd4 Nxd5 9. exd5 0-0 10. 0-0-0 Bf6 11. Qd2 Bf5 12. Bd3 Bxd3 13. Qxd3 Qd7 14. f3 Qa4 15. Be3 Qxa2 16. c3 Rfe8 17. g4 g6 18. Kc2 Qa4+ 19. Kb1 Re7 20. h4 Rae8 21. Bc1 b5 22. h5 Qc4 23. Qxc4 bxc4 24. hxg6 fxg6 25. g5 Bg7 26. Rh4 Rf8 27. Rxc4 Rxf3 28. Ra4 Be5 29. Rxa7 Bf4 30. Bd2 Bxd2 31. Rxd2 Rf5 32. b4 Rxg5 33. Rb7 h5 34. c4 Rf5 35. c5 Rff7 36. c6 h4 37. b5 h3 38. Rh2 Re3 39. b6 Rb3+ 40. Kc2 Rxb6 41. Rxb6 cxb6 42. Rxh3 Kg7 43. Kc3 g5 44. Kc4 Ra7 45. Kb5 Ra5+ 46. Kxb6 Rxd5 47. Rc3 Re5 48. c7 Re8 49. Rd3 g4 50. Rxd6 g3 51. Rd3 1-0

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.25"]
[Round "4"]
[White "Poelstra, Ben"]
[Black "Vroombout, Enrico"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2148"]
[BlackElo "2141"]
[PlyCount "13"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. exd6 1/2-1/2

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.24"]
[Round "3"]
[White "Poelstra, Ben"]
[Black "Dolgova, Olga"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2148"]
[BlackElo "2262"]
[PlyCount "142"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 Ba5 10. 0-0 0-0 11. Qe2 Nce7 12. Rfe1 Ng6 13. g3 a6 14. h4 Nge7 15. Rad1 Bxc3 16. bxc3 b5 17. Qe4 g6 18. h5 Ra7 19. h6 Qd6 20. Qh4 Nf5 21. Bxf5 exf5 22. Re5 f6 23. Re2 Rc7 24. Bf4 Nxf4 25. Qxf4 Qxf4 26. gxf4 Kf7 27. Re3 Re8 28. Rdd3 Re4 29. d5 Rxf4 30. Nd4 Re4 31. d6 Rd7 32. Nb3 Rc4 33. Na5 Rc5 34. Nb3 Rc6 35. Rd2 Rcxd6 36. Rde2 Rd1+ 37. Kg2 Bb7+ 38. f3 g5 39. Nc5 Rc7 40. Nxb7 Rxb7 41. Re6 Rd2 42. Rxf6+ Kxf6 43. Rxd2 Ke5 44. a4 bxa4 45. Ra2 Rb6 46. Rxa4 Rxh6 47. Kg3 Rc6 48. Ra5+ Kf6 49. c4 h5 50. f4 gxf4+ 51. Kxf4 Rxc4+ 52. Kf3 Rc6 53. Kf4 Kg6 54. Ra4 Rb6 55. Ra5 h4 56. Ra4 Re6 57. Ra5 Rc6 58. Ra4 Rb6 59. Ra5 Kg7 60. Kg5 h3 61. Ra2 Rh6 62. Rh2 a5 63. Kxf5 a4 64. Kg4 a3 65. Kg3 Kg8 66. Kf3 a2 67. Rxa2 h2 68. Ra8+ Kf7 69. Ra7+ Ke8 70. Ra8+ Kd7 71. Ra7+ Kc8 0-1

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.23"]
[Round "2"]
[White "Ris, Robert"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2416"]
[BlackElo "2148"]
[PlyCount "41"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 c5 6. 0-0 Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Ke7 10. Nxc4 Ne4 11. Be3 Bxe3 12. fxe3 f5 13. Nfe5 Nxe5 14. Nxe5 Kf6 15. Nc4 Rb8 16. Bxe4 fxe4 17. Rd4 b5 18. Rf1+ Ke7 19. Ne5 Rb6 20. Rf7+ Ke8 21. Rc7 1-0

[Event "Hoogeveen Unive op"]
[Site "Hoogeveen"]
[Date "2010.10.22"]
[Round "1"]
[White "Rombaldoni, Axel"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2453"]
[BlackElo "2148"]
[PlyCount "47"]
[EventDate "2010.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2011"]
[Source "ChessBase"]
[SourceDate "2010.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Be6 8. Qf3 Nc6 9. 0-0-0 Bg5 10. h4 Bxf4+ 11. Qxf4 Qf6 12. Qxf6 gxf6 13. Ne3 Ne7 14. c4 0-0-0 15. Nd5 Nxd5 16. cxd5 Bf5 17. Rd4 Rde8 18. Rf4 Re5 19. c4 Rg8 20. g3 Rg4 21. Bh3 h5 22. Bxg4 Bxg4 23. f3 Bf5 24. Kd2 1-0

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.11"]
[Round "9"]
[White "Poelstra, Ben"]
[Black "Aurel, Luc"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2117"]
[BlackElo "2185"]
[PlyCount "195"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. Be3 Bd6 9. f3 a6 10. Nge2 Ke7 11. 0-0 Nbd7 12. a4 h6 13. g4 g5 14. Kg2 Rag8 15. h3 h5 16. Rh1 Bc5 17. Bxc5+ Nxc5 18. b4 Ncd7 19. Kf2 Nb6 20. Rag1 h4 21. Nc1 Nc4 22. Nd3 Rd8 23. Ra1 Rd6 24. Nd1 Nd7 25. Ne3 Nxe3 26. Kxe3 Rc6 27. Rhc1 Rd6 28. c4 c5 29. bxc5 Rc6 30. Rab1 Rb8 31. Rb4 Kf6 32. Rd1 Rc7 33. Rd2 Rbc8 34. Rdb2 Nxc5 35. Nxc5 Rxc5 36. Rxb7 Rxc4 37. R7b4 Rxb4 38. Rxb4 Rc3+ 39. Ke2 Ra3 40. Rb7 Rxa4 41. Ra7 Ra2+ 42. Ke3 a5 43. Kd3 a4 44. Ke3 a3 45. Kd3 Ra1 46. Kc2 a2 47. Kb2 Rf1 48. Ra3 Rf2+ 49. Ka1 Rh2 50. Rxa2 Rxh3 51. Rf2 Rg3 52. Kb2 h3 53. Kc3 Rg2 54. Rf1 h2 55. Rh1 Rf2 56. Kd3 Rxf3+ 57. Ke2 Rf4 58. Ke3 Rxg4 59. Rxh2 Rh4 60. Rf2+ Kg6 61. Rf8 Rf4 62. Rg8+ Kf6 63. Rf8+ Kg7 64. Rb8 g4 65. Rb5 Kf6 66. Rb8 Rf3+ 67. Ke2 Kg5 68. Rg8+ Kf4 69. Rg6 Ra3 70. Rxe6 Kxe4 71. Rg6 Ra2+ 72. Kf1 Kf5 73. Rg8 e4 74. Rf8+ Kg5 75. Ke1 g3 76. Kf1 Kg4 77. Rg8+ Kf3 78. Rf8+ Ke3 79. Rg8 Rf2+ 80. Ke1 Re2+ 81. Kf1 Rf2+ 82. Kg1 Rf3 83. Re8 Kd3 84. Kg2 Rf6 85. Kxg3 e3 86. Rd8+ Ke2 87. Ra8 Rd6 88. Ra2+ Rd2 89. Ra3 Rb2 90. Kf4 Rb4+ 91. Kg3 Rc4 92. Ra2+ Kd3 93. Kf3 Rc3 94. Re2 Kd4 95. Ra2 Kd3 96. Re2 Kd4 97. Ra2 Kc4 98. Ke2 1/2-1/2

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.10"]
[Round "8"]
[White "Talbi, Boumedienne"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2202"]
[BlackElo "2117"]
[PlyCount "102"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6 7. Be3 Be7 8. Qd2 0-0 9. 0-0-0 Ne5 10. h4 Bg4 11. Be2 Qc8 12. h5 c5 13. Nh2 Bxe2 14. Qxe2 Qe6 15. b3 f5 16. f4 Ng4 17. Nxg4 fxg4 18. Qd3 Rf5 19. c4 Bf8 20. Bd2 Qf7 21. h6 gxh6 22. g3 d5 23. cxd5 Rxd5 24. Qe2 h5 25. Bc3 Re8 26. Qg2 Rxd1+ 27. Rxd1 Bg7 28. Bxg7 Kxg7 29. Qd2 Qf6 30. Kb1 Qd4 31. Qc1 Qc3 32. f5 Re3 33. Rf1 Kf6 34. Rh1 a5 35. Qf1 a4 36. Qc1 axb3 37. axb3 b6 38. Rf1 b5 39. Rh1 b4 40. Qd1 Qd4 41. Qf1 Rxg3 42. Qa6+ Kg5 43. Qe6 Rg1+ 44. Rxg1 Qxg1+ 45. Ka2 Qd4 46. f6 Qxf6 47. Qe3+ Kh4 48. Qxc5 Qf4 49. Qe7+ Kh3 50. Qxh7 h4 51. Qd3+ g3 0-1

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.09"]
[Round "7"]
[White "Poelstra, Ben"]
[Black "Ribeiro, Romain"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2117"]
[BlackElo "2159"]
[PlyCount "163"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 b6 3. d4 Bb7 4. Bd3 Nf6 5. Qe2 g6 6. Nf3 Bg7 7. Bg5 h6 8. Bh4 Nh5 9. 0-0 Nf4 10. Qe3 Nxd3 11. Qxd3 Ba6 12. c4 cxd4 13. Nxd4 Nc6 14. Nxc6 dxc6 15. Qc2 Qd4 16. Nc3 Qxc4 17. Rfd1 g5 18. Bg3 0-0 19. Rd7 Rfd8 20. Rxe7 Rd3 21. Qb3 Rad8 22. h4 R8d7 23. Rxd7 Rxd7 24. hxg5 hxg5 25. Rd1 Rxd1+ 26. Qxd1 Qd4 27. Qg4 Qd2 28. e5 Bxe5 29. Ne4 Qc1+ 30. Kh2 Bg7 31. Nxg5 Qxb2 32. Qd7 Qf6 33. Qe8+ Bf8 34. Qxf8+ Kxf8 35. Nh7+ Ke7 36. Nxf6 Kxf6 37. Bb8 Bc4 38. Bxa7 b5 39. a3 Ke5 40. g3 Kd5 41. g4 c5 42. Kg3 Be2 43. f4 c4 44. g5 Ke4 45. Kf2 Bg4 46. Bb8 Kd3 47. Ke1 Kc2 48. Be5 c3 49. Bf6 Kb3 50. Be5 Bf5 51. Kd1 Kb2 52. Bf6 Bg4+ 53. Ke1 Kc2 54. Bg7 Be6 55. Bf6 Bf5 56. Be5 Kb3 57. Bf6 c2 58. Kd2 Kxa3 59. Kc1 Kb3 60. Be5 Kc4 61. Bf6 Kd3 62. Be5 b4 63. Bd6 b3 64. Bb4 Ke3 65. Bd2+ Ke2 66. Bc3 Bg6 67. Be5 Ke3 68. Bc3 Ke4 69. Be1 Kd3 70. Ba5 Bf5 71. Bb4 Kc4 72. Be1 Kd4 73. Ba5 Ke3 74. Bc3 Kxf4 75. Bd2+ Ke4 76. Kb2 Be6 77. Bc1 Kf3 78. Bd2 Ke2 79. Bf4 Bd5 80. Bc1 Kd3 81. Bf4 Ke2 82. Bc1 1/2-1/2

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.08"]
[Round "6"]
[White "Pozdnjakov, Viatcheslav"]
[Black "Poelstra, Ben"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2208"]
[BlackElo "2117"]
[PlyCount "56"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. 0-0 d5 6. Ne5 Bd6 7. f4 Nbd7 8. b3 Ne4 9. Bxe4 dxe4 10. Bb2 0-0 11. Nd2 f5 12. Nxd7 Qxd7 13. a4 a5 14. Ba3 Bxa3 15. Rxa3 Ba6 16. Rf2 Qd6 17. Ra1 c5 18. Nf1 Rfd8 19. Rd2 Bxf1 20. Qxf1 cxd4 21. Rxd4 Qc5 22. Rad1 Rxd4 23. Rxd4 Qxc2 24. Qc4 Qxc4 25. Rxc4 Kf7 26. Rc7+ Kf6 27. Rb7 Ra6 28. Kf2 h6 1/2-1/2

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.07"]
[Round "5"]
[White "Koch, Alain1111"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2011"]
[BlackElo "2117"]
[PlyCount "172"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. f3 Bf5 4. Bf4 e6 5. a3 c5 6. e3 Nc6 7. Bb5 cxd4 8. exd4 Bd6 9. Nge2 0-0 10. Bxc6 bxc6 11. Bxd6 Qxd6 12. Ng3 Bg6 13. 0-0 c5 14. dxc5 Qxc5+ 15. Rf2 Rab8 16. Na4 Qc6 17. b3 Rfc8 18. c3 Qb5 19. b4 Rc4 20. Ne2 Nd7 21. Nb2 Rc7 22. a4 Qb7 23. a5 f6 24. a6 Qc8 25. f4 Nc5 26. Ng3 Bf7 27. bxc5 Rxc5 28. Na4 Rc4 29. Ne2 Bg6 30. f5 Bxf5 31. Rxf5 exf5 32. Qxd5+ Kh8 33. Qd1 Rc6 34. Rb1 Rxb1 35. Qxb1 Rxa6 36. Qb5 Rc6 37. Nd4 Rc4 38. Nxf5 a6 39. Qb3 Qe6 40. Qb8+ Rc8 41. Qf4 g6 42. Nd4 Qe1+ 43. Qf1 Qxf1+ 44. Kxf1 Rc4 45. Nb6 Rxc3 46. Ke2 Kg7 47. Nd5 Ra3 48. Nc2 Ra5 49. Nde3 f5 50. Kf3 Kf6 51. h3 Ra4 52. g3 Ke5 53. Ng2 g5 54. h4 h6 55. hxg5 hxg5 56. Nge3 a5 57. Ne1 g4+ 58. Kf2 Ke4 59. N3g2 Ra2+ 60. Kf1 a4 61. Nf4 Rd2 62. Ne6 a3 63. Nc5+ Ke3 64. Ng2+ Kf3 65. Nh4+ Kxg3 66. Nxf5+ Kh2 67. Ne3 g3 68. Ke1 g2 69. Kxd2 g1Q 70. Nb3 a2 71. Nc2 Qb1 72. Nca1 Qb2+ 73. Kd3 Kg3 74. Kc4 Kf2 75. Kd3 Kf3 76. Nd2+ Kf4 77. Ndb3 Ke5 78. Kc4 Ke4 79. Nc5+ Ke3 80. Ncb3 Ke2 81. Nd4+ Kf2 82. Ndb3 Ke3 83. Kc5 Kd3 84. Kb4 Qb1 85. Ka3 Kc3 86. Ka4 Qb2 0-1

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.06"]
[Round "4"]
[White "Poelstra, Ben"]
[Black "Van Zutphen, Jimmy"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2117"]
[BlackElo "2203"]
[PlyCount "19"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. Bd3 cxd4 5. cxd4 Nc6 6. Nf3 e5 7. d5 Nb8 8. Nc3 Be7 9. 0-0 0-0 10. h3 1/2-1/2

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.05"]
[Round "3"]
[White "Poelstra, Ben"]
[Black "Peric, Slavisa"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2117"]
[BlackElo "2215"]
[PlyCount "133"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 Nge7 7. Bd3 cxd4 8. cxd4 Qb6 9. Bc2 Nf5 10. Bxf5 exf5 11. Nc3 Be6 12. 0-0 Be7 13. b4 a5 14. b5 Na7 15. Rb1 0-0 16. Qb3 Qd8 17. a4 Nc8 18. Ba3 Nb6 19. Bxe7 Qxe7 20. Nd2 Rfc8 21. Rbc1 Rc7 22. Ne2 Rac8 23. Rxc7 Rxc7 24. f4 f6 25. Rc1 Rxc1+ 26. Nxc1 fxe5 27. fxe5 Qg5 28. Qd3 Nxa4 29. Ne2 Qe7 30. Qb3 Qb4 31. Qxb4 axb4 32. Nf4 Kf7 33. Nd3 b6 34. Kf2 Nc3 35. Nxb4 Nxb5 36. Nf3 h6 37. g3 g5 38. Ke3 Nc7 39. h4 Kg6 40. hxg5 hxg5 41. Ng1 Kh5 42. Kf3 b5 43. Ne2 f4 44. Nc3 fxg3 45. Kxg3 Kg6 46. Ne2 Kf7 47. Nc3 Ke7 48. Ne2 Kf8 49. Nc3 Kg7 50. Nd1 Kh6 51. Ne3 Kh5 52. Ng2 Ne8 53. Ne3 Ng7 54. Kf3 Kh4 55. Nbxd5 Bxd5+ 56. Nxd5 g4+ 57. Ke4 Ne6 58. Ne3 b4 59. d5 b3 60. Kd3 Nc5+ 61. Kc3 Kg5 62. Nxg4 Kxg4 63. e6 Kf5 64. e7 Ne4+ 65. Kxb3 Nd6 66. Kb4 Kf6 67. Kc5 1/2-1/2

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.04"]
[Round "2"]
[White "Sainte Marie, Laurent"]
[Black "Poelstra, Ben"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2000"]
[BlackElo "2117"]
[PlyCount "46"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. Bg5 Bb7 5. e3 h6 6. Bxf6 Qxf6 7. a3 d6 8. Nbd2 g5 9. h3 Nd7 10. Qc2 Bg7 11. 0-0-0 0-0-0 12. Bd3 Qe7 13. Be4 f5 14. Bxb7+ Kxb7 15. b4 c5 16. Nb3 Rhf8 17. dxc5 dxc5 18. Rxd7+ Rxd7 19. bxc5 bxc5 20. e4 Rfd8 21. exf5 Rd3 22. Re1 Rc3 23. Na5+ Kc7 0-1

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2010.07.03"]
[Round "1"]
[White "Poelstra, Ben"]
[Black "Le Ray, Olivier"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2117"]
[BlackElo "1927"]
[PlyCount "75"]
[EventDate "2010.07.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. Bd3 cxd4 8. cxd4 Nf5 9. Bxf5 exf5 10. Nc3 Be6 11. 0-0 Be7 12. b4 0-0 13. Qd3 Qd8 14. Be3 g5 15. Na4 Kh8 16. Nc5 f4 17. Bd2 Bxc5 18. dxc5 d4 19. b5 g4 20. bxc6 gxf3 21. cxb7 Rb8 22. Qxf3 Rg8 23. g3 fxg3 24. fxg3 Bd5 25. Qf6+ Qxf6 26. Rxf6 Rxb7 27. Rd6 Rb2 28. Rxd5 Rxd2 29. Rf1 Rb8 30. Rxf7 Kg8 31. Rf2 Rb1+ 32. Kg2 Rbb2 33. Rxd2 Rxd2+ 34. Kf3 Kf7 35. c6 Rc2 36. Ke4 Rxc6 37. Rd7+ Ke8 38. Rxh7 1-0

[Event "Paris-ch op-A"]
[Site "Paris"]
[Date "2009.07.08"]
[Round "5"]
[White "Poelstra, Ben"]
[Black "Mondoloni, Jean Michel"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2116"]
[BlackElo "2260"]
[PlyCount "36"]
[EventDate "2009.07.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bxf7+ Kxf7 9. Ng5+ Kg8 10. e6 Qe8 11. Qf3 g6 12. d5 Nb4 13. Nc3 Nc2+ 14. Kd1 Nxa1 15. Nb5 Bg7 16. b3 Nxd5 17. Qxd5 Qc6 18. Nc7 Qxc7 0-1

[Event "corr"]
[Site "corr"]
[Date "1988.??.??"]
[Round "?"]
[White "Poelstra, Ben"]
[Black "Hotting, Arend"]
[Result "0-1"]
[ECO "B93"]
[PlyCount "92"]
[EventDate "1988.03.06"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nf3 Nbd7 8. a4 Be7 9. Bd3 0-0 10. 0-0 b6 11. Nh4 Nc5 12. Nf5 Bxf5 13. exf5 Qd7 14. Bc4 Rad8 15. b4 d5 16. fxe5 dxc4 17. exf6 Bxf6 18. Bb2 Qe7 19. Qe1 Ne4 20. Nxe4 Bxb2 21. f6 Qe5 22. Rb1 Bd4+ 23. Kh1 Rfe8 24. c3 Qxe4 25. cxd4 Qxe1 26. Rbxe1 Rxe1 27. Rxe1 gxf6 28. Kg1 Rxd4 29. Re8+ Kg7 30. Rc8 b5 31. axb5 axb5 32. Rc5 c3 33. Rxc3 Rxb4 34. Rc5 Rb2 35. h3 b4 36. Rb5 Kg6 37. Kh2 f5 38. Kg3 Rb1 39. Rb6+ f6 40. Rb8 Kg5 41. Rg8+ Kh5 42. Rg7 Kh6 43. Rg8 b3 44. Kh4 f4 45. Rb8 Rb2 46. Rb4 Rxg2 0-1

[Event "Europe West Team U20-08"]
[Site "Zutphen "]
[Date "1971.??.??"]
[Round "?"]
[White "Markland, Peter Richard"]
[Black "Poelstra, Ben"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "57"]
[EventDate "1971.06.18"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. 0-0 cxd4 8. cxd4 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Qe2 Ne7 12. Kh1 Nc6 13. f4 Bc5 14. Bd2 Na5 15. f5 Nc4 16. Rf4 Qxe5 17. Bxc4 Bd6 18. Qg4 h5 19. Qg3 dxc4 20. Re1 Qc5 21. fxe6 Bxe6 22. Rxe6+ fxe6 23. Ne4 Qe5 24. Nxd6+ Qxd6 25. Qg6+ Kd7 26. Qxg7+ Kc6 27. Rxc4+ Kb5 28. Rb4+ Qxb4 29. Qxb7+ 1-0

