[Event "Bodensee Seniors op"]
[Site "Bregenz"]
[Date "2023.05.19"]
[Round "7"]
[White "Van Oosten, Arend"]
[Black "Schinnerl, Werner"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2115"]
[BlackElo "1928"]
[PlyCount "74"]
[EventDate "2023.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Rb8 8. Nf3 Nd4 9. Bxd4 cxd4 10. Nb5 Qb6 11. Qb4 Ke7 12. e5 a6 13. Qxd6+ Qxd6 14. Nxd6 Nh6 15. 0-0 Bd7 16. Rfe1 Bxe5 17. Nxf7 Nxf7 18. Nxe5 Rhc8 19. Nxf7 Kxf7 20. Re4 Rxc2 21. Rxd4 Ke7 22. Rb1 Bc6 23. Rc4 Rxc4 24. dxc4 Bxg2 25. Kxg2 Rd8 26. b4 Rd2 27. a4 Ra2 28. a5 h5 29. h4 Rc2 30. b5 Ra2 31. bxa6 bxa6 32. Rb7+ Kf6 33. c5 Rxa5 34. c6 Rc5 35. c7 a5 36. Ra7 a4 37. Kf3 a3 1/2-1/2

[Event "Bodensee Seniors op"]
[Site "Bregenz"]
[Date "2023.05.18"]
[Round "6"]
[White "Reiss, Siegfried"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1968"]
[BlackElo "2115"]
[PlyCount "59"]
[EventDate "2023.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 a5 9. Nbd2 a4 10. b4 axb3 11. Nxb3 Nge7 12. Nxc5 Qxc5 13. Qe2 Na5 14. Be3 Qc7 15. Rfb1 Nc4 16. Bd4 b5 17. Ng5 h6 18. Nh3 Nc6 19. f4 Nxd4 20. cxd4 0-0 21. Kh1 Ra3 22. Rb3 Rfa8 23. Rxa3 Rxa3 24. Rd1 Qa7 25. Bb1 b4 26. Nf2 Re3 27. Qc2 g6 28. Ng4 Rc3 29. Qf2 h5 30. Qh4 1/2-1/2

[Event "Bodensee Seniors op"]
[Site "Bregenz"]
[Date "2023.05.17"]
[Round "5"]
[White "Van Oosten, Arend"]
[Black "Kopelevitch, Eli"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2115"]
[BlackElo "1677"]
[PlyCount "105"]
[EventDate "2023.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Be2 Nxd5 5. d4 g6 6. Nf3 Bg7 7. 0-0 0-0 8. c4 Nb6 9. h3 Bf5 10. Nc3 Nc6 11. Be3 e5 12. d5 Ne7 13. Qd2 Qd7 14. Rad1 h5 15. Bh6 f6 16. Bxg7 Kxg7 17. c5 Nbc8 18. Nh4 Rh8 19. d6 cxd6 20. cxd6 Nc6 21. Bb5 a6 22. Bxc6 bxc6 23. f4 e4 24. Qd4 Qa7 25. Qxa7+ Nxa7 26. Rfe1 Rhd8 27. Nxe4 Nb5 28. Nxf5+ gxf5 29. Nc5 Rxd6 30. a4 Rxd1 31. Rxd1 Na7 32. Rd7+ Kg6 33. Nxa6 Nc8 34. Nc5 Nb6 35. Rd4 Nd5 36. b3 Ra5 37. Ne6 Ra8 38. Kf2 Kf7 39. Nc5 Ke7 40. b4 Kd6 41. a5 Kc7 42. Ne6+ Kb7 43. Ng7 Ka6 44. Nxf5 Rb8 45. Ng7 Rxb4 46. Rxb4 Nxb4 47. Nxh5 Nd5 48. g4 Kxa5 49. g5 fxg5 50. fxg5 Ne7 51. Nf4 Kb5 52. h4 Kc5 53. h5 1-0

[Event "Bodensee Seniors op"]
[Site "Bregenz"]
[Date "2023.05.16"]
[Round "4"]
[White "Brettschneider, Karl"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1924"]
[BlackElo "2115"]
[PlyCount "101"]
[EventDate "2023.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6 7. b3 Qd7 8. d4 Bh3 9. 0-0 0-0-0 10. dxe5 Bxg2 11. Kxg2 Nxe5 12. Bb2 h5 13. f3 h4 14. g4 h3+ 15. Kh1 f5 16. gxf5 Qxf5 17. Ng3 Qd7 18. Qe2 Nh6 19. Nd5 Rhg8 20. Rad1 Qf7 21. f4 Nc6 22. Bxg7 Qxg7 23. Ne4 Ne7 24. Ng5 Nxd5 25. Rxd5 Rde8 26. Qf3 Qc3 27. e4 Qxf3+ 28. Rxf3 Ng4 29. Rd2 Rgf8 30. Re2 Rf6 31. Nxh3 Ne5 32. Rg3 Nc6 33. Kg2 Rh8 34. Rd2 Rh4 35. Rf3 Rg4+ 36. Kf2 Nd8 37. Ke3 Ne6 38. Rdf2 Kd7 39. Rg3 Rh4 40. Rgf3 a5 41. Rd2 Ke7 42. Rd5 b6 43. e5 dxe5 44. Rxe5 Kd6 45. Rd5+ Kc6 46. Rd2 Ng7 47. Ng5 Nf5+ 48. Ke4 Nd6+ 49. Ke3 Nf5+ 50. Ke4 Nd6+ 51. Ke3 1/2-1/2

[Event "Bodensee Seniors op"]
[Site "Bregenz"]
[Date "2023.05.14"]
[Round "2"]
[White "Lopez Ramirez, Jorge Hernan"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "1865"]
[BlackElo "2115"]
[PlyCount "157"]
[EventDate "2023.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. Bd3 c5 5. c3 Nc6 6. Ngf3 cxd4 7. cxd4 Be7 8. 0-0 0-0 9. Bb1 Bd7 10. e5 Ne8 11. Nb3 f5 12. exf6 Nxf6 13. Re1 Qc7 14. Ng5 Bd6 15. Qd3 Nb4 16. Qh3 h6 17. Nxe6 Bxe6 18. Rxe6 Nc2 19. Rxd6 Nxa1 20. Bf4 Nxb3 21. Rxf6 Rfe8 22. g3 Qe7 23. Rg6 Qe1+ 24. Kg2 Qxb1 25. Qxh6 Qe4+ 26. Kh3 Qxd4 27. axb3 Kf7 28. Qg5 Rh8+ 29. Kg4 Rae8 30. h4 Rh7 31. Qf5+ Kg8 32. Qd7 Qe4 33. h5 d4 34. f3 Qe7 35. Qxd4 b6 36. Bg5 Qf7 37. f4 Rf8 38. Bf6 Kh8 39. Be5 Qf5+ 40. Kf3 Qxh5+ 41. Rg4 Qh1+ 42. Ke3 Qg1+ 43. Ke4 Qe1+ 44. Qe3 Qb1+ 45. Qd3 Qxd3+ 46. Kxd3 Rd8+ 47. Kc4 Rd7 48. Rg6 Rh1 49. b4 Kh7 50. Re6 Rg1 51. f5 Rf1 52. g4 Rg1 53. Rg6 Re7 54. Bd4 Rd1 55. Bc3 Rg1 56. Kb5 Kg8 57. f6 Rd7 58. Kc6 Rf7 59. fxg7 Rc1 60. Kb5 Rd1 61. Rc6 Rd8 62. Rh6 Rxg7 63. Bxg7 Kxg7 64. Rc6 Rd5+ 65. Ka6 Rd4 66. Kxa7 Rxb4 67. Rxb6 Rxg4 68. b4 Kf7 69. b5 Ke8 70. Rh6 Kd8 71. b6 Ra4+ 72. Kb8 Kd7 73. b7 Ra1 74. Rh4 Ra2 75. Rd4+ Ke7 76. Kc7 Rc2+ 77. Kb6 Rb2+ 78. Kc6 Rc2+ 79. Kb5 1-0

[Event "Bodensee Seniors op"]
[Site "Bregenz"]
[Date "2023.05.13"]
[Round "1"]
[White "Van Oosten, Arend"]
[Black "Yakovlyev, Sergiy"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2115"]
[BlackElo "1762"]
[PlyCount "51"]
[EventDate "2023.05.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "AUT"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. Bc4 Bxf3 7. Qxf3 Qh4+ 8. g3 Qf6 9. Qb3 b5 10. Rf1 bxc4 11. Qb7 Qd8 12. Qxa8 exd4 13. Qxa7 Be7 14. Bf4 Nd7 15. Qxd4 Nb6 16. Qxd8+ Bxd8 17. Nc3 Ne7 18. a4 0-0 19. a5 Nbc8 20. a6 Bb6 21. Ra4 Ng6 22. Rxc4 Nxf4 23. gxf4 Na7 24. Ke2 Re8 25. Kf3 f6 26. Rd1 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.29"]
[Round "11"]
[White "Van Oosten, Arend"]
[Black "Reynolds, D Ian W"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2137"]
[BlackElo "1969"]
[PlyCount "41"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a3 a4 7. Ba2 Bd6 8. Nc3 Be6 9. 0-0 0-0 10. Bg5 d4 11. Bxe6 dxc3 12. Bf5 cxb2 13. Ra2 g6 14. Bh3 Re8 15. Qb1 Kg7 16. Qxb2 Qc7 17. Nd2 Nbd7 18. g3 Ng8 19. Nc4 f6 20. Be3 Be7 21. Bxd7 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.28"]
[Round "10"]
[White "Ackermann, Hans Werner"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2272"]
[BlackElo "2137"]
[PlyCount "57"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. c4 Be7 5. 0-0 0-0 6. d3 d6 7. Nc3 Nc6 8. a3 Qe8 9. e3 Bd7 10. b4 a6 11. Bb2 Qh5 12. b5 Na5 13. Nd2 Qh6 14. Rb1 axb5 15. cxb5 g5 16. Re1 f4 17. exf4 gxf4 18. Nde4 d5 19. Nxf6+ Bxf6 20. Qg4+ Qg6 21. Bh3 fxg3 22. hxg3 Qxg4 23. Bxg4 Rae8 24. Ne2 Bxb2 25. Rxb2 Rf6 26. Nf4 b6 27. Rc1 c5 28. bxc6 Nxc6 29. Nxd5 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.27"]
[Round "9"]
[White "Van Oosten, Arend"]
[Black "Cebalo, Miso"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2137"]
[BlackElo "2262"]
[PlyCount "85"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 e6 7. Qd2 h5 8. h3 Nge7 9. f4 Rb8 10. Nf3 b5 11. 0-0 b4 12. Nd1 Bd7 13. Kh2 Qc7 14. d4 cxd4 15. Nxd4 0-0 16. Rc1 Rfd8 17. c4 a6 18. Nf2 Nxd4 19. Bxd4 Bc6 20. Bxg7 Kxg7 21. g4 Rh8 22. Rfd1 Qb6 23. b3 Rbd8 24. Qb2+ f6 25. Rd3 Qc5 26. Rcd1 Kf7 27. e5 fxe5 28. fxe5 d5 29. Rf3+ Kg7 30. Nd3 Qa7 31. gxh5 dxc4 32. Nf4 Bxf3 33. Nxe6+ Kh7 34. Ng5+ Kh6 35. Nf7+ Kg7 36. Rxd8 Rxd8 37. Nxd8 c3 38. Qc2 Bxh5 39. Ne6+ Kg8 40. Qe4 Qf2 41. Qxb4 Qe3 42. Qxe7 Qxe5+ 43. Kh1 1/2-1/2

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.26"]
[Round "8"]
[White "Van Oosten, Arend"]
[Black "Kratschmer, Heinz"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2137"]
[BlackElo "2035"]
[PlyCount "119"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 Rb8 6. Be3 b5 7. Qd2 b4 8. Nd1 d6 9. f4 e6 10. Nf3 Nd4 11. Nh4 Ne7 12. c3 bxc3 13. bxc3 Ndc6 14. 0-0 f5 15. Bf2 Ba6 16. exf5 exf5 17. Re1 0-0 18. Nf3 h6 19. d4 cxd4 20. Nxd4 Nxd4 21. Bxd4 Qc7 22. Nf2 Nc6 23. Bxg7 Kxg7 24. Rad1 Rfe8 25. h4 Rxe1+ 26. Rxe1 Rd8 27. Qd5 Bb7 28. Kh2 Qf7 29. Rb1 Ba8 30. Nd1 Qxd5 31. Bxd5 Ne7 32. Bxa8 Rxa8 33. Rb7 Kf6 34. Kg2 a5 35. a4 Nd5 36. c4 Nb4 37. Ne3 Ke6 38. Kf3 Rc8 39. Ke2 h5 40. Kd2 Rc6 41. Rb5 Rc5 42. Kc3 Kd7 43. Rb7+ Ke6 44. Rb5 Kd7 45. Kb3 Kc6 46. Kc3 Kd7 47. Nf1 Ke6 48. Nd2 Kd7 49. Nb3 Nd5+ 50. Kd4 Rxb5 51. cxb5 Nb6 52. Nxa5 Nxa4 53. Nc4 Ke6 54. b6 Kd7 55. b7 Kc7 56. Nxd6 Nb6 57. Ke5 Nd7+ 58. Ke6 Nb8 59. Ne8+ Kxb7 60. Kf6 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.25"]
[Round "7"]
[White "Pushkov, Nikolai"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2324"]
[BlackElo "2137"]
[PlyCount "121"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Rb1 Be6 7. b4 Qd7 8. b5 Nd8 9. Nf3 Bh3 10. 0-0 Bxg2 11. Kxg2 Ne7 12. e4 0-0 13. d4 exd4 14. Nxd4 Ne6 15. Be3 Nc5 16. Qc2 f5 17. exf5 Nxf5 18. Nxf5 Rxf5 19. Nd5 c6 20. bxc6 bxc6 21. Nf4 Raf8 22. h3 Be5 23. Ne2 Ne6 24. f4 Bg7 25. Ng1 d5 26. cxd5 cxd5 27. Nf3 d4 28. Rfd1 Rd5 29. Qb3 Kh8 30. Qb7 Rd8 31. Qxd7 R5xd7 32. Bd2 d3 33. Rb5 Kg8 34. Ne5 Bxe5 35. Rxe5 Kf7 36. f5 gxf5 37. Rxf5+ Kg8 38. Re5 Nf8 39. Rg5+ Ng6 40. h4 Rd5 41. h5 Rxg5 42. Bxg5 Rd5 43. hxg6 Rxg5 44. gxh7+ Kxh7 45. Rxd3 Ra5 46. a3 Kg6 47. Kf3 Kf5 48. Re3 Rb5 49. Ke2 Kg4 50. Kd2 Rb2+ 51. Kc3 Rb1 52. Kc4 Rb2 53. a4 Rb1 54. a5 Rb2 55. Re7 Kxg3 56. Rxa7 Kf4 57. Re7 Kf5 58. a6 Kf6 59. Rb7 Ra2 60. a7 Ke6 61. Kc5 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.23"]
[Round "6"]
[White "Van Oosten, Arend"]
[Black "Bray, David"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2137"]
[PlyCount "87"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nd4 7. Qd2 Qa5 8. f4 e6 9. Nf3 Ne7 10. 0-0 0-0 11. Nd5 Nec6 12. Qxa5 Nxa5 13. Ne7+ Kh8 14. Nxc8 Raxc8 15. Bd2 Nac6 16. c3 Nxf3+ 17. Bxf3 b5 18. f5 exf5 19. exf5 gxf5 20. Bxc6 Rxc6 21. Rxf5 b4 22. Raf1 bxc3 23. Bxc3 Bxc3 24. bxc3 Kg7 25. R1f4 Ra6 26. a4 Rb6 27. Rg4+ Kh8 28. Rf6 d5 29. Rf5 Rd6 30. Rgg5 d4 31. c4 f6 32. Rh5 Re8 33. Rxc5 Re2 34. Rc7 Rde6 35. Rhxh7+ Kg8 36. Rcg7+ Kf8 37. Rxa7 Kg8 38. Rag7+ Kf8 39. Rb7 Kg8 40. Rhd7 Re8 41. a5 Ra2 42. Re7 Rxe7 43. Rxe7 Rxa5 44. Rd7 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.22"]
[Round "5"]
[White "James, Kevin"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A91"]
[WhiteElo "1929"]
[BlackElo "2137"]
[PlyCount "54"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 c6 5. Nh3 d6 6. 0-0 Be7 7. Nd2 0-0 8. b3 Na6 9. Bb2 Qe8 10. Nf4 g5 11. Nd3 Qg6 12. Re1 Bd7 13. f4 Ne4 14. e3 h6 15. c5 d5 16. Bxe4 fxe4 17. Ne5 Qe8 18. Rf1 Bf6 19. Bc3 Bxe5 20. fxe5 Rxf1+ 21. Qxf1 Qe7 22. Qh3 Kg7 23. Rf1 Rf8 24. g4 Rxf1+ 25. Nxf1 Be8 26. Ng3 Bg6 27. Qf1 Nc7 1/2-1/2

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.21"]
[Round "4"]
[White "Van Oosten, Arend"]
[Black "Svensson, Soren"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2137"]
[BlackElo "1987"]
[PlyCount "87"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Qc7 8. 0-0 0-0 9. Re1 Re8 10. Nf1 d4 11. Ng3 Be6 12. Qd2 Nbd7 13. Rf1 Nc5 14. Nh4 Bxb3 15. axb3 Ne6 16. Ne2 Nh5 17. g3 Qd8 18. Ng2 g5 19. f4 gxf4 20. gxf4 f6 21. fxe5 fxe5 22. Rf5 Neg7 23. Rf3 Rf8 24. Raf1 Rxf3 25. Rxf3 Qe7 26. Ng3 Nxg3 27. hxg3 Rf8 28. Nh4 Rxf3 29. Nxf3 Qf6 30. Kg2 b6 31. Qg5 Qxg5 32. Nxg5 c5 33. Nf3 Kf7 34. Nxe5+ Ke6 35. Nf3 Kf6 36. b4 Ne6 37. bxc5 bxc5 38. Nd2 Ke7 39. Kf3 Nd8 40. e5 Ke6 41. Ke4 Nc6 42. Nb3 Nxe5 43. Nxc5+ Kf6 44. Nb3 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.20"]
[Round "3"]
[White "Berkovich, Mark A"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2339"]
[BlackElo "2137"]
[PlyCount "41"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. 0-0 d5 5. c4 Bd6 6. Nc3 0-0 7. d3 c6 8. e4 dxe4 9. dxe4 e5 10. exf5 Bxf5 11. Qb3 Qb6 12. Be3 Qxb3 13. axb3 Bc2 14. Rfc1 Bg6 15. Nh4 Bb4 16. h3 Nbd7 17. g4 Bf7 18. Rd1 Bc5 19. g5 Bxe3 20. fxe3 Bh5 21. Rd6 1-0

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.19"]
[Round "2"]
[White "Van Oosten, Arend"]
[Black "Vogt, Lothar"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2137"]
[BlackElo "2359"]
[PlyCount "86"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nge2 Nd4 9. 0-0 Ne7 10. Nc1 Bd7 11. Nb3 Qb4 12. Rab1 Nec6 13. Nc1 0-0 14. f4 Rae8 15. Qf2 Qa5 16. Nd1 Ne7 17. c3 Ndc6 18. Bd2 Qc7 19. Ne3 f5 20. Ne2 e5 21. exf5 Nxf5 22. Nd5 Qd8 23. Be4 Nfe7 24. Qg2 Nxd5 25. Bxd5+ Kh8 26. fxe5 Nxe5 27. Nf4 Bc6 28. Rbe1 Qd7 29. b3 Bxd5 30. Nxd5 Nxd3 31. Rxf8+ Rxf8 32. Re7 Qf5 33. Ne3 Qf2+ 34. Qxf2 Rxf2 35. Nf1 Rf8 36. Rxb7 a5 37. Ra7 Ne5 38. Kg2 Nf3 39. Bf4 Ne1+ 40. Kh3 Bxc3 41. Ne3 Bd4 42. Bh6 Re8 43. Nc4 d5 1/2-1/2

[Event "Wch Seniors 65 28th"]
[Site "Bled"]
[Date "2018.11.18"]
[Round "1"]
[White "Turegano Moratalla, Santiago"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1808"]
[BlackElo "2137"]
[PlyCount "114"]
[EventDate "2018.11.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SLO"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 c5 4. exd5 exd5 5. Nf3 c4 6. Be2 Bd6 7. b3 cxb3 8. axb3 Ne7 9. 0-0 0-0 10. c4 b6 11. Nc3 Bb7 12. Nb5 Nbc6 13. Nxd6 Qxd6 14. Ba3 Nb4 15. Qd2 a5 16. Rac1 Nec6 17. c5 bxc5 18. Rxc5 Rfe8 19. Bb5 Reb8 20. Rfc1 Qf6 21. Bxb4 Nxb4 22. Ne5 Rd8 23. Rc7 Qb6 24. Ba4 Rac8 25. R7c5 f6 26. Nd3 Na6 27. Rxc8 Bxc8 28. Nc5 Nb4 29. Re1 Qd6 30. Qe2 g6 31. Qb5 Nc2 32. Re8+ Kg7 33. Rxd8 Qxd8 34. Qd3 Bf5 35. Qd2 Qe7 36. Kf1 Qd6 37. Kg1 h5 38. h3 g5 39. Bb5 Qe7 40. Kf1 Nb4 41. Qe3 Kf8 42. Qxe7+ Kxe7 43. Nb7 Nc2 44. Nxa5 Nxd4 45. Nc6+ Nxc6 46. Bxc6 Kd6 47. Be8 h4 48. b4 Bd3+ 49. Ke1 d4 50. Bh5 Kd5 51. Bf7+ Kc6 52. Be8+ Kb6 53. g3 Bb5 54. Bg6 Bd7 55. g4 Kb5 56. Kd2 Kxb4 57. Bd3 Bb5 0-1

[Event "EU-ch Seniors 65 17th"]
[Site "Sabadell"]
[Date "2017.08.18"]
[Round "7"]
[White "Lederman, Leon S"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2241"]
[BlackElo "2169"]
[PlyCount "91"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Nd1 Qb6 10. c3 Be7 11. Bd3 g6 12. 0-0 Bb7 13. g4 h5 14. h3 hxg4 15. hxg4 0-0-0 16. Kg2 cxd4 17. cxd4 Kb8 18. Nf2 Rc8 19. Rac1 b4 20. Rh1 a5 21. Nh3 Qd8 22. Nhg5 Rxh1 23. Rxh1 Bxg5 24. Nxg5 Qe7 25. Rh7 Nd8 26. Kf3 Nf8 27. Rg7 Ka7 28. Qe2 Kb6 29. Bf2 Qe8 30. Be3 Rc7 31. Qh2 Ba6 32. Bxa6 Kxa6 33. Qh8 Rc2 34. Kg3 Qb5 35. Qxf8 Qe2 36. Nh3 Qxe3+ 37. Kh4 Nc6 38. Qxf7 Kb5 39. Qxe6 Qxd4 40. Qxg6 Qxb2 41. Rb7+ Ka4 42. Rc7 Qc3 43. Qe6 Qc4 44. g5 Ka3 45. g6 Rc3 46. g7 1-0

[Event "EU-ch Seniors 65 17th"]
[Site "Sabadell"]
[Date "2017.08.17"]
[Round "6"]
[White "Van Oosten, Arend"]
[Black "Kierzek, Matthias"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2169"]
[BlackElo "2277"]
[PlyCount "41"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Nf6 11. Bd2 Be7 12. 0-0-0 0-0 13. Kb1 c5 14. Bc1 Nc6 15. Ne4 cxd4 16. Nxd4 Nxd4 17. Qxd4 Qxd4 18. Rxd4 Rfd8 19. Nxf6+ Bxf6 20. Rdd1 Kf8 21. Be3 1/2-1/2

[Event "EU-ch Seniors 65 17th"]
[Site "Sabadell"]
[Date "2017.08.16"]
[Round "5"]
[White "Van Oosten, Arend"]
[Black "Rooze, Jan"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2169"]
[BlackElo "2307"]
[PlyCount "85"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. Nge2 Nf6 7. 0-0 Qc7 8. b3 Be7 9. Bb2 Nc6 10. a4 b4 11. Nb1 0-0 12. Nd2 Rad8 13. Nf4 d6 14. Rc1 Ne8 15. Nc4 Bf6 16. Bxf6 Nxf6 17. Ne3 Nd4 18. Re1 Rde8 19. Ne2 Nd7 20. f4 f5 21. c3 bxc3 22. Rxc3 Qb8 23. Nc2 e5 24. fxe5 Nxe5 25. Ncxd4 cxd4 26. Rc1 Qd8 27. Qd2 fxe4 28. dxe4 d5 29. Qxd4 dxe4 30. Qxd8 Rxd8 31. Nf4 Rd2 32. Re2 Rxe2 33. Nxe2 Nf3+ 34. Bxf3 exf3 35. Nf4 Be4 36. Kf2 g5 37. Ne6 Rb8 38. Nxg5 Bd5 39. Rc3 Bxb3 40. a5 Bd1 41. Nxf3 Rb5 42. Ra3 Rb2+ 43. Ke3 1/2-1/2

[Event "EU-ch Seniors 65 17th"]
[Site "Sabadell"]
[Date "2017.08.15"]
[Round "4"]
[White "Fatalibekova, Elena"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "2226"]
[BlackElo "2169"]
[PlyCount "110"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. c3 Nc6 9. Re1 b6 10. e5 Nd7 11. d4 b5 12. Nf1 b4 13. Bf4 bxc3 14. bxc3 Qa5 15. c4 Nb6 16. Bd2 Qa3 17. cxd5 Nxd5 18. dxc5 Ba6 19. Ne3 Rad8 20. Qb3 Qxb3 21. axb3 Bb5 22. Nc4 Bxc4 23. bxc4 Nde7 24. Bg5 Rd7 25. Bf6 h6 26. Red1 Rc7 27. Nd2 Nxe5 28. Ne4 Bxf6 29. Nxf6+ Kg7 30. Ne4 Nxc4 31. Nd6 Ne5 32. Nb5 Rxc5 33. Rxa7 Rxb5 34. Rxe7 Rb2 35. h3 g5 36. Rc7 Rfb8 37. Be4 R8b4 38. Re1 Kf6 39. Rc8 Kg7 40. Rc7 Rd2 41. Rb7 Ra4 42. Rb5 Nd3 43. Bxd3 Rxd3 44. Rb2 h5 45. Rbe2 h4 46. Re3 Rxe3 47. Rxe3 hxg3 48. Rxg3 Kg6 49. Kf1 f5 50. Rb3 Kf6 51. Rb5 Rd4 52. Rb8 Ke5 53. Kg2 Kf4 54. Rb3 Ke5 55. Rb5+ Rd5 1/2-1/2

[Event "EU-ch Seniors 65 17th"]
[Site "Sabadell"]
[Date "2017.08.14"]
[Round "3"]
[White "Van Oosten, Arend"]
[Black "Giorgadze, Tamaz"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2169"]
[BlackElo "2504"]
[PlyCount "73"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. 0-0 Ne7 10. Rae1 Nec6 11. Nc1 0-0 12. Nb3 Qb4 13. Qc1 Nxb3 14. axb3 Nd4 15. f4 f5 16. h3 Bd7 17. Kh2 Rae8 18. Rf2 Qb6 19. Qd1 Qd8 20. Nb1 Kh8 21. c3 Nc6 22. Nd2 b6 23. Nf3 e5 24. Rfe2 Qc7 25. Bc1 fxe4 26. dxe4 exf4 27. Bxf4 Ne5 28. Rd2 Nxf3+ 29. Bxf3 Rxf4 30. gxf4 Bh6 31. Kg2 Bxf4 32. Rf2 Be5 33. Bg4 Bc6 34. Qf3 Kg7 35. Be6 Qe7 36. Bd5 Bxd5 37. exd5 1/2-1/2

[Event "EU-ch Seniors 65 17th"]
[Site "Sabadell"]
[Date "2017.08.13"]
[Round "2"]
[White "Van Oosten, Arend"]
[Black "Dubinsky, Alexander"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2169"]
[BlackElo "1890"]
[PlyCount "55"]
[EventDate "2017.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ESP"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bc4 Nf6 4. d3 h6 5. h3 Bc5 6. c3 Bb6 7. Bb3 d6 8. Nbd2 a6 9. Nc4 Ba7 10. 0-0 0-0 11. Re1 b5 12. Ne3 Na5 13. Bc2 Re8 14. Nh2 Nc6 15. Qf3 Ne7 16. Nhg4 Nxg4 17. hxg4 Ng6 18. Nf5 Be6 19. g3 Nf8 20. Kg2 Bxf5 21. gxf5 Qf6 22. Rh1 Nh7 23. Rh5 g5 24. Bd2 Kg7 25. Rah1 Rh8 26. Bb3 Nf8 27. Bxg5 Nh7 28. Bd2 1-0

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.07.04"]
[Round "9.5"]
[White "Braun, Gottfried"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2240"]
[BlackElo "2082"]
[PlyCount "61"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Leipzig Schachfreunde"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. c4 c6 6. Nc3 Ne7 7. Bd3 dxc4 8. Bxc4 0-0 9. 0-0 Bf5 10. Bg5 Nd7 11. Re1 Nb6 12. Bb3 Qc7 13. Rc1 h6 14. Nb5 Qd7 15. Nxd6 hxg5 16. Rxe7 Qxd6 17. Re5 g6 18. Nxg5 Kg7 19. Qe2 Qxd4 20. Re1 Nd5 21. Nf3 Qf4 22. Bxd5 cxd5 23. Rxd5 Be6 24. Rd4 Qf6 25. a3 Rfd8 26. Qe3 Rxd4 27. Nxd4 Bd5 28. Qc3 Rd8 29. f3 Rd7 30. Re8 Ba2 31. Nf5+ 1-0

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.07.03"]
[Round "8.8"]
[White "Van Oosten, Arend"]
[Black "Singer, Hans"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2082"]
[BlackElo "2191"]
[PlyCount "66"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Oranje"]
[BlackTeam "Austria"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "AUT"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Qc2 g6 9. Ne2 Re8 10. Bd2 Nd7 11. 0-0-0 Nf8 12. h4 Bg4 13. Rde1 Bxe2 14. Bxe2 Qc7 15. Bf3 Bf4 16. Bxf4 Qxf4+ 17. Qd2 Ne6 18. Qxf4 Nxf4 19. Kd2 Ne6 20. Kc2 Rad8 21. Rd1 Nc7 22. Rhe1 Re6 23. Re3 Rxe3 24. fxe3 f5 25. c4 Kf8 26. b4 Ke7 27. g3 a6 28. a4 Kd6 29. Rb1 Re8 30. Kd3 Ra8 31. Kc3 Re8 32. Kd3 Ra8 33. Kc3 Re8 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.07.02"]
[Round "7.5"]
[White "Maes, Valeer"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2084"]
[BlackElo "2082"]
[PlyCount "22"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Belgium"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "BEL"]
[BlackTeamCountry "NED"]

1. d4 e6 2. Nf3 f5 3. Bg5 Nf6 4. Nbd2 d5 5. e3 Be7 6. Ne5 0-0 7. Be2 b6 8. 0-0 Bb7 9. c4 c6 10. Rc1 Nfd7 11. Bxe7 Qxe7 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.07.01"]
[Round "6.9"]
[White "Van Oosten, Arend"]
[Black "Morant, Paul"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2082"]
[BlackElo "2091"]
[PlyCount "127"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Oranje"]
[BlackTeam "Finland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "FIN"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 4. Be2 Nf6 5. d4 e6 6. 0-0 Be7 7. c4 Qd6 8. Nc3 c6 9. Be3 0-0 10. h3 Bh5 11. Qd2 Qd8 12. Rad1 Nbd7 13. d5 exd5 14. cxd5 Bb4 15. dxc6 bxc6 16. a3 Ba5 17. g4 Bg6 18. g5 Nd5 19. b4 Bb6 20. Nxd5 cxd5 21. Qxd5 Bxe3 22. fxe3 Nb6 23. Qxd8 Raxd8 24. Kf2 Rde8 25. Bb5 Re7 26. Rd4 Be4 27. Nd2 Bb7 28. e4 Re5 29. Bd3 Rxg5 30. Nf3 Rh5 31. Kg3 Bc8 32. h4 Rh6 33. Rc1 Rg6+ 34. Kf2 Rg4 35. Rc7 a6 36. Rd6 Rg6 37. Rcc6 Nd7 38. Bxa6 Nf6 39. Bd3 Bb7 40. Rb6 Nxe4+ 41. Bxe4 Bxe4 42. Ng5 Ba8 43. a4 h6 44. Nf3 Rg4 45. a5 Rc8 46. a6 Rf4 47. Rd3 Kh7 48. b5 f5 49. Re6 Be4 50. Ra3 Rc2+ 51. Kg3 Rg4+ 52. Kh3 Rc1 53. Rxe4 Rh1+ 54. Nh2 Rxe4 55. a7 Re2 56. a8Q Rhxh2+ 57. Kg3 f4+ 58. Kg4 h5+ 59. Kf5 Rb2 60. Qd5 Rhd2 61. Rd3 Rg2 62. Rb3 Rbd2 63. Qc6 Rd8 64. Qxg2 1-0

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.06.30"]
[Round "5.4"]
[White "Farrand, Julian"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2048"]
[BlackElo "2082"]
[PlyCount "89"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "NED"]

1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bh4 g5 7. Bg3 Ne4 8. Nge2 c5 9. a3 Bxc3+ 10. Nxc3 Nxc3 11. bxc3 Qa5 12. Qd2 Nc6 13. dxc5 Bd7 14. Rb1 0-0-0 15. Be2 Qxc5 16. 0-0 d4 17. Bf3 dxc3 18. Qe2 Na5 19. Rfd1 Bc6 20. Rd6 Rxd6 21. exd6 Rd8 22. h4 Nc4 23. Bxc6 Qxc6 24. hxg5 hxg5 25. Rb4 Nxd6 26. Qe5 b6 27. Rb3 Kb7 28. Rxc3 Qb5 29. Qf6 Qb1+ 30. Kh2 Qd1 31. Qxd8 Qh5+ 32. Bh4 Qxh4+ 33. Kg1 Qd4 34. Rd3 Qa1+ 35. Kh2 Qe5+ 36. g3 Ne4 37. Rd7+ Ka6 38. Qc8+ Kb5 39. c4+ Ka4 40. Qc6+ Kb3 41. Rd3+ Kc2 42. Re3 Qh8+ 43. Kg2 Nc3 44. Qd7 Qh7 45. Qd4 1-0

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.06.29"]
[Round "4.4"]
[White "Van Oosten, Arend"]
[Black "Freise, Eckhard"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2082"]
[BlackElo "2003"]
[PlyCount "59"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Oranje"]
[BlackTeam "Eck Gunners"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 d6 5. c3 0-0 6. 0-0 Bb6 7. Nbd2 Nc6 8. Bb3 a6 9. Nc4 Ba7 10. Bg5 h6 11. Bh4 g5 12. Bg3 Ne7 13. Re1 b5 14. Ne3 Bb7 15. h3 Qd7 16. Kh1 Nh5 17. Bxe5 dxe5 18. Nxe5 Qd6 19. Qxh5 Qxe5 20. Ng4 Qh8 21. Nxh6+ Kg7 22. Qxg5+ Kh7 23. Nxf7 Rxf7 24. Bxf7 Qf8 25. Bd5 c6 26. Be6 Rd8 27. d4 Rd6 28. Bf5+ Nxf5 29. exf5 Rd7 30. Re6 1-0

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.06.28"]
[Round "3.4"]
[White "Teichmeister, Sven"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2005"]
[BlackElo "2082"]
[PlyCount "56"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Wien"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. d4 e6 2. Nf3 f5 3. Nc3 Nf6 4. Bg5 d5 5. e3 Be7 6. Ne5 0-0 7. f3 Nbd7 8. Nxd7 Bxd7 9. Be2 c5 10. 0-0 b6 11. Re1 h6 12. Bh4 Bd6 13. Bf1 Qc7 14. h3 f4 15. exf4 Bxf4 16. Ne2 Bh2+ 17. Kh1 Nh5 18. g4 Nf4 19. Nxf4 Bxf4 20. c3 Rae8 21. Qd3 Bc6 22. Qg6 c4 23. Rxe6 Bd7 24. Re2 Rxe2 25. Bxe2 Bg3 26. Be7 Be8 27. Qe6+ Bf7 28. Qe3 Re8 0-1

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.06.27"]
[Round "2.4"]
[White "Van Oosten, Arend"]
[Black "Kierzek, Matthias"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2082"]
[BlackElo "2230"]
[PlyCount "45"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Oranje"]
[BlackTeam "Germany"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. 0-0-0 Be7 13. Kb1 Qb6 14. Rhe1 0-0-0 15. c4 Bb4 16. Bxb4 Qxb4 17. Qc2 Qa5 18. Re3 Kb8 19. Ra3 Qc7 20. Rad3 Qf4 21. Ra3 Qc7 22. Rad3 Qf4 23. Ra3 1/2-1/2

[Event "WchT Seniors 65"]
[Site "Radebeul"]
[Date "2016.06.26"]
[Round "1.4"]
[White "Norevall, Ulf"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1749"]
[BlackElo "2082"]
[PlyCount "56"]
[EventDate "2016.06.26"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 173 Extra"]
[Source "ChessBase"]
[SourceDate "2016.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2016.08.29"]
[SourceQuality "1"]
[WhiteTeam "Sweden III"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "NED"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. 0-0 Bd6 6. Bf4 Bxf4 7. gxf4 0-0 8. c4 c6 9. Nc3 Nbd7 10. b3 b6 11. cxd5 cxd5 12. Ne5 Ba6 13. Re1 Rc8 14. Rc1 Qe7 15. e3 Nxe5 16. fxe5 Ne4 17. Ne2 Rxc1 18. Qxc1 Rc8 19. Qb2 Bxe2 20. Bxe4 Bb5 21. Bb1 Qc7 22. f3 g5 23. Qf2 h6 24. h4 Qg7 25. Kh2 g4 26. e4 Rc3 27. fxg4 Qxg4 28. Rg1 Rh3# 0-1

[Event "EU-chT Seniors"]
[Site "Vienna"]
[Date "2015.07.20"]
[Round "9.12"]
[White "Titz, Heimo"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "2113"]
[BlackElo "2145"]
[PlyCount "86"]
[EventDate "2015.07.12"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Wien 75+"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. c4 e6 2. Nc3 f5 3. Nf3 Nf6 4. g3 d5 5. cxd5 exd5 6. d4 c6 7. Bg2 Bd6 8. Bf4 Bxf4 9. gxf4 0-0 10. e3 Nbd7 11. Qc2 Ne4 12. 0-0-0 Rf6 13. h4 Rh6 14. Rh2 b6 15. Kb1 Ba6 16. Rdh1 Rc8 17. Rc1 c5 18. Rhh1 Ndf6 19. Ne5 cxd4 20. exd4 Nd7 21. h5 Nxe5 22. fxe5 b5 23. Bxe4 fxe4 24. Qb3 Rc4 25. Nxb5 Bxb5 26. Qxb5 Rb6 27. Qxc4 dxc4 28. Rxc4 Qe8 29. Rhc1 Qxh5 30. Rc8+ Kf7 31. R8c7+ Ke6 32. Rxg7 Qe2 33. b3 Qd3+ 34. Kb2 Qxd4+ 35. Kb1 Qxf2 36. Rxh7 e3 37. Rh6+ Kxe5 38. Rh5+ Kf6 39. Rh8 Qf5+ 40. Kb2 Qe5+ 41. Kb1 e2 42. Rhh1 Rd6 43. Rh6+ Kg5 0-1

[Event "EU-chT Seniors"]
[Site "Vienna"]
[Date "2015.07.19"]
[Round "8.8"]
[White "Van Oosten, Arend"]
[Black "James, Geoffrey H"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "2145"]
[BlackElo "2166"]
[PlyCount "60"]
[EventDate "2015.07.12"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Oranje"]
[BlackTeam "England"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ENG"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 Bd6 6. exd5 cxd5 7. Nc3 Be6 8. 0-0 h6 9. Re1 Nc6 10. Ba4 0-0 11. h3 d4 12. Ne4 Nxe4 13. dxe4 Rc8 14. Bd2 Qf6 15. Bb3 Rfd8 16. Re2 Bxh3 17. Ne1 Bg4 18. f3 Bh5 19. g4 Bg6 20. Rg2 Qe7 21. a3 d3 22. cxd3 Bc5+ 23. Kh1 Qh4+ 24. Rh2 Qg3 25. Ng2 Rxd3 26. Qc1 Rxb3 27. Qxc5 Rxb2 28. Qc3 Rxd2 29. Qxd2 Nd4 30. Qe1 Qxh2+ 0-1

[Event "EU-chT Seniors"]
[Site "Vienna"]
[Date "2015.07.18"]
[Round "7.7"]
[White "Bartsch, Berthold"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "C25"]
[WhiteElo "2316"]
[BlackElo "2145"]
[PlyCount "50"]
[EventDate "2015.07.12"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. Nc3 e5 2. e4 Nc6 3. Bc4 Bc5 4. Qg4 g6 5. Qg3 d6 6. d3 Nd4 7. Bb3 Be6 8. Nd5 c6 9. Ne3 Qd7 10. Bxe6 Nxe6 11. Ne2 Ne7 12. Ng4 Ng8 13. f4 f5 14. exf5 gxf5 15. Ne3 exf4 16. Nxf4 0-0-0 17. 0-0 Ne7 18. Qh3 Nxf4 19. Rxf4 Nd5 20. Rc4 f4 21. Qxd7+ Rxd7 22. d4 fxe3 23. dxc5 Re8 24. cxd6 Rxd6 25. Rh4 Nf6 0-1

[Event "EU-chT Seniors"]
[Site "Vienna"]
[Date "2015.07.16"]
[Round "5.8"]
[White "Van Oosten, Arend"]
[Black "Bhend, Edwin"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "2145"]
[BlackElo "2195"]
[PlyCount "76"]
[EventDate "2015.07.12"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Oranje"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SUI"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. 0-0 Ne7 10. Rae1 0-0 11. Nd5 Nxe2+ 12. Rxe2 Qd8 13. Nxe7+ Qxe7 14. f4 e5 15. f5 f6 16. c3 b6 17. h4 gxf5 18. exf5 Bb7 19. g4 d5 20. g5 d4 21. gxf6 Bxf6 22. cxd4 cxd4 23. Bxd4 Rae8 24. Rfe1 Qg7 25. Kh2 Qg4 26. Bxe5 Qxh4+ 27. Bh3 Rxe5 28. Rxe5 Kf7 29. Re6 Bg5 30. R6e4 Bxe4 31. Rxe4 Qxh3+ 32. Kxh3 Bxd2 33. Rc4 Kf6 34. Kg4 Rg8+ 35. Kf3 Kxf5 36. Rc7 h5 37. Rxa7 h4 38. Rh7 Rg3+ 0-1

[Event "EU-chT Seniors"]
[Site "Vienna"]
[Date "2015.07.15"]
[Round "4.12"]
[White "Yuksel, Mustafa"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "C12"]
[WhiteElo "2010"]
[BlackElo "2145"]
[PlyCount "31"]
[EventDate "2015.07.12"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Turkey"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "TUR"]
[BlackTeamCountry "NED"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Nf3 Bd7 12. h4 Bc6 13. Bxg6 fxg6 14. Qxe6+ Qe7 15. Qc8+ Qd8 16. Qe6+ 1/2-1/2

[Event "EU-chT Seniors"]
[Site "Vienna"]
[Date "2015.07.14"]
[Round "3.7"]
[White "Van Oosten, Arend"]
[Black "Schoeneberg, Manfred"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2145"]
[BlackElo "2238"]
[PlyCount "71"]
[EventDate "2015.07.12"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Oranje"]
[BlackTeam "Leipzig Schachfreunde"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. Nge2 Nd4 9. 0-0 Nxe2+ 10. Qxe2 b4 11. Nd1 Qc7 12. f4 Nf6 13. h3 0-0 14. Kh2 Nd7 15. Rf2 a5 16. c3 Nb6 17. Rc1 bxc3 18. Nxc3 Ba6 19. f5 Qd7 20. b3 a4 21. h4 axb3 22. axb3 Na8 23. fxg6 hxg6 24. Bh3 e6 25. h5 Rxb3 26. Bd2 gxh5 27. Qxh5 Nc7 28. Rf4 Rb2 29. Qe2 Rfb8 30. Nd1 Ra2 31. Rg4 Ne8 32. Kh1 Qb5 33. Nc3 Rxd2 34. Qxd2 Qxd3 35. Qf4 Qd4 36. Bg2 1/2-1/2

[Event "EU-chT Seniors"]
[Site "Vienna"]
[Date "2015.07.13"]
[Round "2.5"]
[White "Isserman, Ryhor"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2305"]
[BlackElo "2145"]
[PlyCount "38"]
[EventDate "2015.07.12"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Hessen"]
[BlackTeam "Oranje"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Qe2 Bg7 8. 0-0 dxe5 9. dxe5 Nd4 10. Nxd4 Qxd4 11. e6 Bxe6 12. Bxe6 fxe6 13. Qxe6 Qd6 14. Qb3 0-0-0 15. Nc3 Bxc3 16. Qxc3 Rhf8 17. Be3 Rf5 18. Bxb6 axb6 19. Qe3 Re5 1/2-1/2

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.05.04"]
[Round "9"]
[White "Van den Berg, Ad"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "C62"]
[WhiteElo "2207"]
[BlackElo "2139"]
[PlyCount "19"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 e5 3. Nf3 Nf6 4. Bb5 d6 5. d4 exd4 6. Nxd4 Bd7 7. Bxc6 bxc6 8. Qf3 c5 9. Nf5 g6 10. Nh6 1/2-1/2

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.05.03"]
[Round "8"]
[White "Ljubarskij, Jurij"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2275"]
[BlackElo "2139"]
[PlyCount "110"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 7. b4 cxd4 8. cxd4 Nf5 9. Bb2 Be7 10. Be2 Bd7 11. 0-0 0-0 12. Qd2 Rac8 13. Rd1 Nh4 14. Nc3 Nxf3+ 15. Bxf3 f6 16. Na4 Qd8 17. Nc5 b6 18. Nxd7 Qxd7 19. exf6 Rxf6 20. Qe2 Bd6 21. Rac1 Re8 22. Qb5 Ne5 23. Qxd7 Nxd7 24. Rc6 Bf4 25. Be2 Nb8 26. Rc2 g6 27. g3 Bd6 28. f4 h5 29. h4 Rff8 30. Rdc1 Kf7 31. Bb5 Rd8 32. Kf2 Nd7 33. Kf3 Rfe8 34. Ba6 Nf6 35. Bc3 Re7 36. Be1 Ne4 37. a4 Nf6 38. b5 Ng4 39. a5 Rdd7 40. axb6 axb6 41. Rc6 Rc7 42. Bb4 Rxc6 43. bxc6 Ra7 44. Bxd6 Rxa6 45. c7 Ra2 46. Rf1 Rc2 47. Bc5 bxc5 48. f5 cxd4 49. fxe6+ Kxe6 50. Kf4 Rxc7 51. Rd1 Kf6 52. Ra1 Rc6 53. Ra4 d3 54. Kf3 Ke5 55. Ra8 Rf6+ 0-1

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.05.02"]
[Round "7"]
[White "Van Oosten, Arend"]
[Black "Pape, Manfred"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2139"]
[BlackElo "2173"]
[PlyCount "55"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. f3 dxe4 6. fxe4 Nf6 7. Nf3 Qb6 8. Rb1 0-0 9. Bc4 Qb4 10. Qd3 c5 11. Bd2 Nc6 12. Nd5 Nxd5 13. Bxb4 Ndxb4 14. Qd2 cxd4 15. 0-0 a5 16. a3 Na6 17. Qf4 Nc5 18. b4 axb4 19. axb4 Ra4 20. Ng5 Ne5 21. Bxf7+ Nxf7 22. bxc5 Bh6 23. Qb8 Bxg5 24. Rxf7 Be3+ 25. Kh1 Kxf7 26. c6 Ke6 27. cxb7 Rc4 28. Qa8 1-0

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.05.01"]
[Round "6"]
[White "Piankov, Evgenij"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "2262"]
[BlackElo "2139"]
[PlyCount "125"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. Qc2 d5 5. e3 c6 6. Bd3 Bd6 7. f4 Ne4 8. Nf3 b6 9. 0-0 0-0 10. a3 a5 11. Rb1 Rf7 12. b4 axb4 13. axb4 Rfa7 14. c5 bxc5 15. bxc5 Bc7 16. Ne5 Bxe5 17. fxe5 Nxc3 18. Qxc3 Nd7 19. Rf2 Ba6 20. Bxa6 Rxa6 21. Rfb2 Qa5 22. Qxa5 Rxa5 23. Bd2 Ra1 24. Rxa1 Rxa1+ 25. Kf2 Ra7 26. Kf3 Kf7 27. g4 Kg6 28. Kf4 fxg4 29. Kxg4 Kf7 30. e4 dxe4 31. Kf4 Nf8 32. Kxe4 Ng6 33. Rb6 Rc7 34. Bg5 h6 35. Bd8 Rd7 36. Rb8 Ra7 37. Rc8 Rd7 38. h4 Ke8 39. Bb6+ Kf7 40. Rxc6 Nxh4 41. Rc8 Rb7 42. Bd8 Nf5 43. c6 Rb4 44. Ra8 Nxd4 45. c7 Nb5+ 46. Ke3 Nxc7 47. Bxc7 Kg6 48. Bd6 Rc4 49. Ra7 Rg4 50. Bf8 Kh7 51. Ra6 Rg6 52. Be7 h5 53. Kf3 Kg8 54. Ra4 Kf7 55. Ra7 Kg8 56. Bd8 Rg1 57. Re7 Rg6 58. Re8+ Kh7 59. Bh4 Rg4 60. Bg3 Rg6 61. Bf4 h4 62. Rc8 Rg1 63. Rc1 1-0

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.04.30"]
[Round "5"]
[White "Van Oosten, Arend"]
[Black "Khodjabagyan, Seyran"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2139"]
[BlackElo "2162"]
[PlyCount "139"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 c5 7. d5 e6 8. Nc3 exd5 9. cxd5 c4 10. Nf3 Bb4 11. Bxc4 Nxc4 12. Qa4+ Nd7 13. Qxb4 Ncxe5 14. 0-0 Qb6+ 15. Qxb6 Nxf3+ 16. Rxf3 Nxb6 17. Be3 0-0 18. Bxb6 axb6 19. Re1 Bd7 20. Re7 Rad8 21. Rf4 Bc8 22. Kf2 f5 23. Rd4 Rf6 24. Rc4 Rf7 25. d6 Rf6 26. Rcc7 Rfxd6 27. Rxg7+ Kf8 28. Rxh7 Rd2+ 29. Kg3 Kg8 30. Rhe7 Kf8 31. Re2 R8d3+ 32. Kf4 Rxc3 33. Rxc3 Rxe2 34. Rxc8+ Ke7 35. Rc7+ Ke6 36. Rg7 Rf2+ 37. Kg3 Rxb2 38. Rxb7 Rxa2 39. Rxb6+ Ke5 40. Rb5+ Kf6 41. Rb3 Ra4 42. Kf3 Kg5 43. g3 Rc4 44. h4+ Kg6 45. Rb6+ Kg7 46. h5 Rg4 47. Ra6 Rg5 48. h6+ Kh7 49. Rf6 Kg8 50. Rb6 Kh7 51. Rc6 Kg8 52. Rc4 Kh7 53. Rh4 Rg8 54. Kf4 Rg6 55. Rh3 Ra6 56. Ke5 Ra5+ 57. Kf6 f4 58. gxf4 Ra6+ 59. Kg5 Rg6+ 60. Kf5 Ra6 61. Ke5 Ra5+ 62. Ke4 Ra4+ 63. Kf5 Ra5+ 64. Kg4 Ra6 65. Rh5 Rg6+ 66. Rg5 Rxh6 67. Rh5 Rxh5 68. Kxh5 Kg7 69. Kg5 Kf7 70. Kf5 1-0

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.04.29"]
[Round "4"]
[White "Geisensetter, Franz"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2062"]
[BlackElo "2139"]
[PlyCount "46"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[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 Qxf6 10. Nf3 Bb4+ 11. Nc3 e5 12. dxe5 Ndxe5 13. Nxe5 Qxe5+ 14. Kf1 0-0 15. Nxd5 Bg4 16. f3 Bc5 17. Qe2 Qd6 18. Be4 Rae8 19. Be3 Rxe4 20. Bxc5 Qxd5 21. Bxf8 Rxe2 22. Kxe2 Nd4+ 23. Kf2 Bxf3 0-1

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.04.28"]
[Round "3"]
[White "Van Oosten, Arend"]
[Black "Kotlar, Alfred"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2139"]
[BlackElo "2078"]
[PlyCount "114"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 c6 5. d4 Nf6 6. g3 Bg4 7. Bg2 e6 8. 0-0 Be7 9. Bf4 Qd8 10. Re1 Nbd7 11. h3 Bxf3 12. Bxf3 Nb6 13. Be5 0-0 14. Qe2 Nbd5 15. Ne4 Nxe4 16. Bxe4 Bf6 17. c4 Nb6 18. Rad1 Nd7 19. Bc2 Re8 20. h4 Nf8 21. Rd3 Qe7 22. Rf3 Bxe5 23. Qxe5 Rad8 24. Rd1 Qd6 25. Qe4 Qc7 26. Kg2 Re7 27. Bb3 b5 28. Rc3 Qb7 29. Qf3 a5 30. cxb5 cxb5 31. Qxb7 Rxb7 32. d5 a4 33. dxe6 Rxd1 34. exf7+ Rxf7 35. Bxd1 Rd7 36. Be2 Rd5 37. Rc8 Kf7 38. Kf3 Ne6 39. Ke3 Ke7 40. Rb8 Nc7 41. Bf3 Rc5 42. Be4 h6 43. Rb7 Kd8 44. f4 a3 45. b4 Rc4 46. Ra7 Rxb4 47. Rxa3 Rc4 48. Ra7 Rc3+ 49. Bd3 Rc1 50. f5 b4 51. Kf4 Rd1 52. Bc2 Rf1+ 53. Kg4 Nd5 54. Kh5 Rg1 55. Rxg7 Ne3 56. Be4 Nf1 57. Kxh6 Nd2 1-0

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.04.27"]
[Round "2"]
[White "Kempen, Willi"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2013"]
[BlackElo "2139"]
[PlyCount "44"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 Nc6 2. Bb5 a6 3. Bxc6 bxc6 4. d4 g6 5. f4 Bg7 6. Nf3 d6 7. 0-0 Nf6 8. e5 Nd5 9. Nc3 Nxc3 10. bxc3 0-0 11. Qe2 a5 12. Re1 Ba6 13. Qf2 Qd7 14. Qh4 e6 15. Ng5 h6 16. Ne4 Rab8 17. Nf6+ Bxf6 18. exf6 Qd8 19. f5 Rb5 20. fxe6 fxe6 21. Rxe6 Rf5 22. Bxh6 Rh5 1/2-1/2

[Event "Hessen-ch Seniors op 10th"]
[Site "Bad Sooden-Allendorf"]
[Date "2014.04.26"]
[Round "1"]
[White "Van Oosten, Arend"]
[Black "Husser, Oskar"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2139"]
[BlackElo "1895"]
[PlyCount "79"]
[EventDate "2014.04.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 b5 5. Bb3 a5 6. a4 bxa4 7. Bxa4 Bxa4 8. Rxa4 Qxd5 9. Nf3 Nbd7 10. Nc3 Qb7 11. 0-0 e6 12. d4 Nb6 13. Ra2 Be7 14. Re1 Nfd5 15. Ne4 0-0 16. Ne5 c6 17. Bd2 a4 18. Qf3 Nb4 19. Bxb4 Bxb4 20. c3 Be7 21. Nxc6 Qc7 22. Nxe7+ Qxe7 23. Nc5 Ra7 24. Qc6 Qc7 25. Qxc7 Rxc7 26. Nxa4 Ra8 27. Rea1 Rca7 28. b3 Nd5 29. c4 Nb4 30. Rd2 Kf8 31. Rad1 Rd8 32. Kf1 Ke7 33. Ke2 Ra5 34. f4 g5 35. fxg5 Rxg5 36. g3 h5 37. Nc5 Rg4 38. Kf3 f5 39. Re2 Rd6 40. d5 1-0

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.28"]
[Round "9"]
[White "Van Oosten, Arend"]
[Black "Haubt, Georg"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2180"]
[BlackElo "2231"]
[PlyCount "86"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 Nc6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Nf6 7. c4 Qd6 8. Be3 0-0-0 9. Nc3 Bxf3 10. Nb5 Qb4 11. Bxf3 Ne5 12. b3 Nxf3+ 13. Qxf3 a6 14. a3 Qe7 15. Nc3 Rg8 16. b4 g5 17. Qd1 e5 18. d5 Qd7 19. Qb3 Ng4 20. c5 Rg6 21. Qc4 Kb8 22. Rad1 f5 23. c6 Qf7 24. cxb7 Nxh2 25. Kxh2 f4 26. g4 h5 27. Ne4 fxe3 28. fxe3 Qg7 29. gxh5 Rh6 30. Kg2 Qd7 31. Ng3 Kxb7 32. e4 Qg4 33. Rc1 Qd7 34. Rf5 Be7 35. Rcf1 c6 36. Rf7 cxd5 37. Qxd5+ Kb6 38. Qa5+ Ka7 39. Nf5 Re6 40. Nxe7 Rxe7 41. Qc5+ Ka8 42. Rxe7 Qg4+ 43. Kh1 Qxh5+ 0-1

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.27"]
[Round "8"]
[White "Hottes, Dieter"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "2220"]
[BlackElo "2180"]
[PlyCount "55"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. e3 Bg4 4. c4 e6 5. Nc3 Nf6 6. Be2 Be7 7. 0-0 0-0 8. b3 Re8 9. Bb2 Bf8 10. Rc1 Ne7 11. Ne5 Bxe2 12. Qxe2 Nd7 13. Rfe1 c6 14. e4 Ng6 15. Nf3 a6 16. g3 Qa5 17. Kg2 dxe4 18. Qxe4 Nf6 19. Qc2 Qh5 20. Ne4 Nxe4 21. Qxe4 Rad8 22. Ne5 Nxe5 23. Qxe5 Qxe5 24. dxe5 Bc5 25. f4 Kf8 26. Kf3 h5 27. Ke4 Ke7 28. h3 1/2-1/2

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.26"]
[Round "7"]
[White "Van Oosten, Arend"]
[Black "Weyrauch, Erich"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2180"]
[BlackElo "2176"]
[PlyCount "89"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. f4 Nc6 7. Nf3 Bd7 8. 0-0 0-0 9. h3 Rb8 10. Be3 b5 11. Qd2 b4 12. Ne2 a5 13. Nh4 Qc7 14. Rf2 Ne8 15. Rb1 Nd4 16. g4 Nxe2+ 17. Qxe2 a4 18. Nf3 Be6 19. b3 axb3 20. axb3 Ra8 21. f5 Bd7 22. h4 Ra1 23. Rxa1 Bxa1 24. h5 gxh5 25. g5 Bg7 26. Nh4 d5 27. Qxh5 d4 28. Bd2 Qd6 29. Rf3 Be5 30. Rh3 Ng7 31. Qg4 f6 32. Nf3 fxg5 33. Nxg5 h6 34. Nf3 Rf6 35. Nxe5 Qxe5 36. Bxh6 Rf7 37. Bf4 Qf6 38. Rh6 Bxf5 39. exf5 Qxf5 40. Qh4 Rf6 41. Rxf6 exf6 42. Be4 Qe6 43. Qg3 f5 44. Be5 Qh6 45. Qxg7+ 1-0

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.25"]
[Round "6"]
[White "Pape, Manfred"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2199"]
[BlackElo "2180"]
[PlyCount "56"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 d5 3. Bf4 Bg4 4. Nbd2 e6 5. e3 Nf6 6. Be2 Be7 7. 0-0 Nh5 8. c3 Nxf4 9. exf4 0-0 10. Re1 Qd6 11. Ne5 Bxe2 12. Qxe2 Nxe5 13. fxe5 Qb6 14. b4 a5 15. a3 axb4 16. axb4 Ra7 17. Nb3 Rfa8 18. Rxa7 Rxa7 19. g3 h6 20. Ra1 Rxa1+ 21. Nxa1 Qa7 22. Nb3 Qa3 23. Qc2 b6 24. Kg2 c5 25. bxc5 bxc5 26. dxc5 Bxc5 27. Nxc5 Qxc5 28. Qd3 Qb6 1/2-1/2

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.24"]
[Round "5"]
[White "Van Oosten, Arend"]
[Black "Biller, Helmut"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2180"]
[BlackElo "2082"]
[PlyCount "53"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 b5 6. Qd2 Nbd7 7. Rd1 Qc7 8. Nge2 Nb6 9. b3 Bb7 10. Nc1 a6 11. Nd3 Bg7 12. Qf2 0-0 13. Ne2 Nfd7 14. h4 Rac8 15. h5 c5 16. hxg6 hxg6 17. Qh4 Nf6 18. e5 dxe5 19. dxe5 Nh5 20. g4 Bxf3 21. Rh3 Bxg4 22. Qxg4 c4 23. Ndf4 Nxf4 24. Bxf4 Bxe5 25. Qh4 Rfd8 26. Qh7+ Kf8 27. Bh6+ 1-0

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.23"]
[Round "4"]
[White "Schneider, Alexander"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2020"]
[BlackElo "2180"]
[PlyCount "46"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 e6 2. d4 f5 3. g3 Nf6 4. Bg2 d5 5. c4 c6 6. b3 Bd6 7. 0-0 Qe7 8. a4 a5 9. Ba3 Bxa3 10. Nxa3 Nbd7 11. Qd3 Ne4 12. Nd2 Nxd2 13. Qxd2 0-0 14. f3 b6 15. e4 fxe4 16. fxe4 Rxf1+ 17. Kxf1 Ba6 18. exd5 exd5 19. Kg1 Nf6 20. cxd5 cxd5 21. Nc4 Qc7 22. Ne3 Qd7 23. Nc4 Qc7 1/2-1/2

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.22"]
[Round "3"]
[White "Van Oosten, Arend"]
[Black "Haase, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2180"]
[BlackElo "2119"]
[PlyCount "63"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Nd4 7. Qd2 e6 8. Nd1 Ne7 9. c3 Ndc6 10. Bh6 Kf8 11. Bxg7+ Kxg7 12. Ne3 d5 13. exd5 exd5 14. d4 cxd4 15. cxd4 Re8 16. Ne2 Nf5 17. Nxf5+ Bxf5 18. 0-0 Qd6 19. Nc3 Be6 20. a3 a6 21. b4 Ne7 22. Ne2 Rac8 23. Rac1 Rxc1 24. Rxc1 Rc8 25. Rxc8 Bxc8 26. Qc3 b6 27. h4 Bd7 28. Nf4 Bb5 29. Nd3 Qc6 30. Qxc6 Nxc6 31. Nf4 Nxd4 32. Nxd5 1/2-1/2

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.21"]
[Round "2"]
[White "Nagorni, Walter"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "2078"]
[BlackElo "2180"]
[PlyCount "114"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. g3 Bd6 4. Bg2 f5 5. 0-0 Nf6 6. c4 c6 7. Nbd2 Nbd7 8. Rb1 Qe7 9. a3 0-0 10. b4 b5 11. c5 Bc7 12. Bb2 f4 13. Ne5 Nxe5 14. dxe5 Ng4 15. Nf3 fxg3 16. hxg3 Qf7 17. Bh3 Qh5 18. Bxg4 Qxg4 19. Kg2 Bd7 20. Rh1 Be8 21. Rh4 Qg6 22. Rc1 Bd8 23. Rh2 Qe4 24. Kg1 a5 25. Qc2 axb4 26. axb4 Ra2 27. Qb3 Ra4 28. Bc3 Qxe2 29. Nd4 Qg4 30. Re1 Bg5 31. Qd1 Qxd1 32. Rxd1 Bd7 33. f4 Be7 34. Rf2 Ra3 35. Rd3 g6 36. Nc2 Ra2 37. Bd4 g5 38. Rdf3 Be8 39. Ra3 Rxa3 40. Nxa3 Bg6 41. Be3 gxf4 42. Bxf4 Ra8 43. Nc2 Bxc2 44. Rxc2 Ra1+ 45. Kg2 Rb1 46. Bd2 Kf7 47. Ra2 Kg6 48. Kf3 Rb3+ 49. Ke2 Bg5 50. Be1 Kf5 51. Ra6 d4 52. Rxc6 d3+ 53. Kf1 d2 54. Bxd2 Bxd2 55. Rd6 Bxb4 56. c6 Rc3 57. Rd4 Ba5 0-1

[Event "Hessen-ch Seniors op 09th"]
[Site "Bad Sooden-Allendorf"]
[Date "2013.04.20"]
[Round "1"]
[White "Van Oosten, Arend"]
[Black "Jung, Michael"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "2180"]
[BlackElo "1813"]
[PlyCount "55"]
[EventDate "2013.04.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Be3 e6 8. Nf3 Bb4+ 9. Nc3 0-0 10. Be2 Nc6 11. 0-0 Bg6 12. Rc1 Ne7 13. a3 Bxc3 14. Rxc3 c6 15. Bf2 Nf5 16. g4 Ne7 17. Nh4 Qc7 18. b4 Rad8 19. Rh3 Nd7 20. Qc1 h6 21. Be3 Bh7 22. Bxh6 Nxe5 23. Bxg7 Kxg7 24. Qg5+ N5g6 25. Nxg6 f6 26. Qh6+ Kf7 27. Qxh7+ Ke8 28. Nxf8 1-0

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.04.04"]
[Round "9.8"]
[White "Van Oosten, Arend"]
[Black "Petersson, Gosta"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2186"]
[BlackElo "2163"]
[PlyCount "89"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Vas (Seniors)"]
[BlackTeam "Sweden (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "SWE"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Rb8 8. Nf3 Nd4 9. Bxd4 cxd4 10. Nb5 a6 11. Nbxd4 Ne7 12. 0-0 0-0 13. c3 e5 14. Ne2 f5 15. exf5 Nxf5 16. Ng5 d5 17. h4 h6 18. Nh3 Be6 19. Kh2 Kh7 20. Rae1 Qb6 21. Neg1 Rbe8 22. f4 d4 23. fxe5 Ne3 24. Rxf8 Rxf8 25. cxd4 Ng4+ 26. Kh1 Qxd4 27. Ne2 Qd7 28. Nef4 Bf5 29. e6 Qc7 30. d4 b5 31. d5 Qd6 32. Be4 Ne5 33. b3 Bxe4+ 34. Rxe4 Rc8 35. Kg2 Bf6 36. Qe2 Rc7 37. Nf2 Bg7 38. Ng4 g5 39. hxg5 hxg5 40. Nxe5 gxf4 41. Qh5+ Kg8 42. Nf7 f3+ 43. Qxf3 Qxd5 44. e7 Rc2+ 45. Kh3 1-0

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.04.03"]
[Round "8.12"]
[White "Ulker, Ates"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2068"]
[BlackElo "2186"]
[PlyCount "80"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Turkey (Seniors)"]
[BlackTeam "Vas (Seniors)"]
[WhiteTeamCountry "TUR"]
[BlackTeamCountry "NED"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. Be2 Nc6 9. exd6 exd6 10. Qd2 d5 11. b3 dxc4 12. bxc4 Bg4 13. Rd1 Bxf3 14. gxf3 Qd7 15. Ne4 Qh3 16. Ng3 Rad8 17. Qc3 Rfe8 18. Rd2 Qd7 19. Ne4 Nxd4 20. Rxd4 Bxd4 21. Nf6+ Bxf6 22. Qxf6 Qe6 23. Qc3 Qe5 24. Qc1 Na4 25. 0-0 Nc3 26. Re1 Nxe2+ 27. Rxe2 Rd6 28. Re1 Qf5 29. Kg2 h5 30. h3 g5 31. Qb2 b6 32. Rg1 Rg6 33. Qe2 g4 34. fxg4 hxg4 35. h4 Qf3+ 36. Kf1 Qh3+ 37. Rg2 Qxh4 38. Qd3 Qh1+ 39. Rg1 Qe4 40. Ke2 Qf3+ 0-1

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.04.02"]
[Round "7.13"]
[White "Van Oosten, Arend"]
[Black "Miles, Richard"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2186"]
[BlackElo "2083"]
[PlyCount "36"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Vas (Seniors)"]
[BlackTeam "Wales (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "WLS"]

1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. g3 g6 5. Bg2 Bg7 6. d3 d6 7. Nge2 e6 8. 0-0 Nge7 9. Be3 Nd4 10. Nf4 0-0 11. h4 Rb8 12. Rb1 b5 13. axb5 axb5 14. Nce2 b4 15. c3 bxc3 16. bxc3 Rxb1 17. Qxb1 Nxe2+ 18. Nxe2 Ba6 1/2-1/2

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.04.01"]
[Round "6.13"]
[White "Jorgensen, Arne Bjorn"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "1991"]
[BlackElo "2186"]
[PlyCount "54"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Denmark (Seniors) II"]
[BlackTeam "Vas (Seniors)"]
[WhiteTeamCountry "DEN"]
[BlackTeamCountry "NED"]

1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. Nc3 d5 5. g3 c6 6. Bg2 Bd6 7. 0-0 0-0 8. b3 Qe7 9. Bb2 Bd7 10. e3 Be8 11. Ne2 Nbd7 12. Qc2 Bh5 13. Nf4 Bxf3 14. Bxf3 g5 15. Nd3 Rad8 16. Bg2 Qg7 17. c5 Bc7 18. Qe2 Rde8 19. f4 g4 20. b4 Ne4 21. Bxe4 fxe4 22. Ne5 Bxe5 23. dxe5 Rf7 24. Bd4 h5 25. Rf2 Nf8 26. Raf1 Rf5 27. a4 Ng6 1/2-1/2

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.03.31"]
[Round "5.5"]
[White "Van Oosten, Arend"]
[Black "Rosino, Antonio"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "2186"]
[BlackElo "2234"]
[PlyCount "81"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Vas (Seniors)"]
[BlackTeam "Italy (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "ITA"]

1. e4 e5 2. f4 Qh4+ 3. g3 Qe7 4. fxe5 d6 5. Nc3 dxe5 6. d3 c6 7. Nf3 Nf6 8. Bg2 Qc7 9. Qe2 Bc5 10. Bg5 Nbd7 11. Nh4 h6 12. Bd2 Nb6 13. Rf1 Bg4 14. Nf3 0-0-0 15. h3 Be6 16. Nh4 Nbd7 17. Nf5 Bf8 18. 0-0-0 g6 19. Ne3 Be7 20. g4 Ne8 21. Ned5 Qd6 22. Nxe7+ Qxe7 23. Be3 c5 24. Nd5 Bxd5 25. exd5 Nd6 26. Qd2 Kb8 27. Bxh6 f5 28. Bg5 Nf6 29. Rde1 Rde8 30. h4 Qf7 31. gxf5 gxf5 32. c4 Nh7 33. Be3 b6 34. b4 cxb4 35. Qxb4 Qc7 36. Kb1 f4 37. c5 fxe3 38. cxd6 Qd7 39. Rxe3 Rhg8 40. Bh3 Qd8 41. d7 1-0

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.03.30"]
[Round "4.10"]
[White "Happel, Henk"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "2129"]
[BlackElo "2186"]
[PlyCount "52"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Discendo Discimus (Seniors)"]
[BlackTeam "Vas (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. d4 f5 2. Nf3 Nf6 3. e3 e6 4. Bd3 d5 5. 0-0 Bd6 6. b3 Qe7 7. c4 c6 8. Bb2 0-0 9. Ne5 Bd7 10. Nd2 Be8 11. Qc2 Ne4 12. f3 Nxd2 13. Qxd2 Nd7 14. Nxd7 Bxd7 15. Qe2 e5 16. cxd5 cxd5 17. dxe5 Bxe5 18. Bd4 Rae8 19. Qf2 Bxd4 20. exd4 Qb4 21. Rae1 Qc3 22. Rd1 Re7 23. Qh4 Rfe8 24. Qf4 g6 25. h4 Qa5 26. Rf2 Re1+ 1/2-1/2

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.03.29"]
[Round "3.14"]
[White "Van Oosten, Arend"]
[Black "Arp, Frans"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2186"]
[BlackElo "2070"]
[PlyCount "109"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Vas (Seniors)"]
[BlackTeam "Oranje (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nf3 Nc6 5. c3 0-0 6. 0-0 d6 7. Bb3 Bg4 8. h3 Bh5 9. Nbd2 a5 10. Re1 h6 11. Nf1 g5 12. Ng3 Bg6 13. Nf5 Bxf5 14. exf5 Kg7 15. g4 b5 16. Bc2 Qd7 17. a3 Rfe8 18. Qd2 Nh7 19. d4 exd4 20. Rxe8 Rxe8 21. cxd4 Bb6 22. Qd3 Nf6 23. Be3 d5 24. Qxb5 Qd6 25. Ba4 Na7 26. Qd3 Re4 27. Nd2 Re7 28. Bd1 c5 29. dxc5 Bxc5 30. Bxc5 Re1+ 31. Nf1 Qxc5 32. Qd2 Re4 33. Rc1 Rc4 34. Rxc4 dxc4 35. Bf3 a4 36. Ne3 Nc6 37. Bxc6 Qxc6 38. Qc3 Qf3 39. Qxc4 Ne4 40. Qd4+ Kg8 41. Ng2 h5 42. gxh5 Qxf5 43. h6 Nf6 44. Qxa4 Qb1+ 45. Kh2 Qxb2 46. Qa5 Qb8+ 47. f4 Nh7 48. Qe5 Qxe5 49. fxe5 f6 50. a4 fxe5 51. a5 Nf6 52. a6 Nd7 53. a7 Nb6 54. Ne3 Kh7 55. Ng4 1-0

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.03.28"]
[Round "2.8"]
[White "Fatalibekova, Elena"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2276"]
[BlackElo "2186"]
[PlyCount "45"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Russia (Seniors) II"]
[BlackTeam "Vas (Seniors)"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "NED"]

1. Nf3 e6 2. e4 d5 3. e5 c5 4. c3 Nc6 5. d4 cxd4 6. cxd4 Qb6 7. Nc3 Bd7 8. a3 h5 9. Na4 Qc7 10. Bd3 Nh6 11. Bxh6 Rxh6 12. 0-0 Be7 13. h4 f6 14. Rc1 Kf7 15. b4 a6 16. Nc5 Rg8 17. Re1 Bc8 18. Qd2 Qd8 19. exf6 Bxf6 20. Ng5+ Bxg5 21. hxg5 Rhh8 22. Qf4+ Ke7 23. Nxe6 1-0

[Event "EU-chT Seniors"]
[Site "Rogaska Slatina"]
[Date "2012.03.27"]
[Round "1.21"]
[White "Van Oosten, Arend"]
[Black "Birkestrand, Odd Helge"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2186"]
[BlackElo "1837"]
[PlyCount "55"]
[EventDate "2012.03.27"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "SLO"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]
[WhiteTeam "Vas (Seniors)"]
[BlackTeam "Norway (Seniors) IV"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NOR"]

1. e4 e5 2. Bc4 Nf6 3. d3 Be7 4. Nf3 Nc6 5. Nc3 d6 6. a3 Bg4 7. h3 Bd7 8. Be3 0-0 9. 0-0 h6 10. Qd2 Kh7 11. Rad1 Ng8 12. d4 f5 13. exf5 Bxf5 14. Bd3 Nxd4 15. Nxd4 exd4 16. Bxd4 Bxd3 17. Qxd3+ Kh8 18. Nd5 Bf6 19. Nf4 Ne7 20. Ne6 Qe8 21. Nxf8 Qxf8 22. Bxf6 Qxf6 23. Qd4 Qg6 24. Rfe1 Nc6 25. Qc3 Rf8 26. Re3 Ne5 27. Qxc7 Qf6 28. Re2 1-0

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.14"]
[Round "9"]
[White "Van Oosten, Arend"]
[Black "Lederman, Leon S"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "2170"]
[BlackElo "2266"]
[PlyCount "26"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Rb8 8. Nge2 Nd4 9. Bxd4 cxd4 10. Nb5 Qb6 11. Qb4 Ke7 12. a3 e5 13. c4 a6 0-1

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.13"]
[Round "8"]
[White "Muratoglu, Salih"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2076"]
[BlackElo "2170"]
[PlyCount "88"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bg5 Be7 5. Nf3 0-0 6. e3 d5 7. Be2 c6 8. cxd5 cxd5 9. Ne5 Qb6 10. Qc2 Nc6 11. f4 Bb4 12. 0-0 Nxe5 13. fxe5 Bxc3 14. bxc3 Ne4 15. Bh4 Bd7 16. Bf3 Bb5 17. Rfb1 Qc6 18. a4 Ba6 19. Be7 Nxc3 20. Rc1 Rfc8 21. Qb3 Qd7 22. Bd6 Ne4 23. Bxe4 fxe4 24. Qd1 Rxc1 25. Rxc1 Rc8 26. Rxc8+ Qxc8 27. Qe1 Qc4 28. a5 b6 29. h3 h6 30. Qf2 bxa5 31. Bc5 a4 32. Qf8+ Kh7 33. Qf7 Qc1+ 34. Kh2 Qxe3 35. h4 Qe1 36. Be7 Qf1 37. Qxe6 Qf4+ 38. Kg1 Qe3+ 39. Kh1 Qc1+ 40. Kh2 Qf4+ 41. Kg1 Be2 42. Qxd5 e3 43. e6 Bg4 44. Bd8 e2 0-1

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.12"]
[Round "7"]
[White "Van Oosten, Arend"]
[Black "Rooze, Jan"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2170"]
[BlackElo "2315"]
[PlyCount "80"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. Nge2 Nf6 7. 0-0 Qc7 8. f4 d6 9. h3 Nc6 10. Be3 Be7 11. Qd2 Rd8 12. Bf2 0-0 13. g4 h6 14. Ng3 Qa5 15. Qd1 Nh7 16. Kh2 Rfe8 17. Be3 Qc7 18. Qd2 Bf6 19. Rae1 Bd4 20. Nd1 Nf8 21. c3 Bf6 22. Bf2 Bh4 23. Nh5 Be7 24. Kh1 d5 25. exd5 exd5 26. Bg3 d4 27. Nf2 dxc3 28. bxc3 Na5 29. Ne4 Qd7 30. Rd1 Nh7 31. f5 Bf8 32. Bf4 c4 33. Bxh6 cxd3 34. Nef6+ gxf6 35. Bxf8 Bxg2+ 36. Kg1 Qa7+ 37. Kh2 Qb8+ 38. Kg1 Qb6+ 39. Kh2 Bxf1 40. Nxf6+ Qxf6 0-1

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.11"]
[Round "6"]
[White "Thieme, Hans"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2101"]
[BlackElo "2170"]
[PlyCount "86"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. Nf3 f5 2. e4 fxe4 3. Ng5 Nf6 4. d3 d5 5. dxe4 h6 6. Nf3 dxe4 7. Qxd8+ Kxd8 8. Ne5 Be6 9. g3 Nbd7 10. Nxd7 Bxd7 11. Bg2 e5 12. 0-0 c6 13. Re1 Bf5 14. Be3 Ng4 15. Nd2 Nxe3 16. fxe3 Kc7 17. Bxe4 Be6 18. Nf3 Bd6 19. Rad1 Rhf8 20. Kg2 g5 21. h4 g4 22. Nd2 Bc5 23. Re2 Rad8 24. a3 a5 25. Bd3 Bd5+ 26. e4 Be6 27. Rf1 b5 28. Ree1 Bd4 29. b3 Kb6 30. Rxf8 Rxf8 31. Rf1 Rxf1 32. Kxf1 Bb2 33. Nb1 a4 34. b4 Ba2 35. c3 Bxb1 36. Bxb1 Bxc3 37. Ba2 Bb2 38. Be6 Bxa3 39. Bxg4 Bxb4 40. Ke2 a3 41. Be6 c5 42. Ba2 c4 43. g4 Be7 0-1

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.10"]
[Round "5"]
[White "Van Oosten, Arend"]
[Black "Weisenburger, Horst"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2170"]
[BlackElo "2179"]
[PlyCount "36"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. d4 e5 4. dxe5 Qxd1+ 5. Kxd1 Nc6 6. Bf4 Bc5 7. Bg3 Bd4 8. Nc3 Bxe5 9. Nf3 Bg4 10. Be2 0-0-0+ 11. Kc1 Bxg3 12. hxg3 Nf6 13. b3 Rhe8 14. Kb2 Bxf3 15. Bxf3 Rd2 16. Bxc6 bxc6 17. Raf1 h6 18. Kc1 Red8 1/2-1/2

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.09"]
[Round "4"]
[White "Giani, Franco"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1960"]
[BlackElo "2170"]
[PlyCount "70"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e3 f5 2. b3 Nf6 3. Bb2 e6 4. Nf3 Be7 5. c4 0-0 6. Be2 b6 7. 0-0 Bb7 8. d4 Qe8 9. Nc3 d6 10. h3 Nbd7 11. Nh2 e5 12. d5 Nc5 13. Nf3 Bc8 14. Qc2 Bd7 15. Nd2 Qg6 16. Kh1 Nce4 17. Bd3 Nxd2 18. Qxd2 Qh6 19. Be2 g5 20. Kg1 Rf7 21. f3 g4 22. fxg4 fxg4 23. hxg4 Raf8 24. Rad1 Nxg4 25. Bxg4 Bg5 26. Bc1 Rxf1+ 27. Rxf1 Rxf1+ 28. Kxf1 Qh1+ 29. Ke2 Bxg4+ 30. Kd3 Bf5+ 31. Ne4 Qf1+ 32. Kc3 Bxe4 33. Kb4 a6 34. Qb2 Bxg2 35. Qa3 Qe1+ 0-1

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.08"]
[Round "3"]
[White "Van Oosten, Arend"]
[Black "Beltrami, Nerio"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2170"]
[BlackElo "1956"]
[PlyCount "130"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f3 c6 5. Be3 Nbd7 6. Qd2 Qa5 7. Nh3 b5 8. Bd3 Bg7 9. 0-0 Nb6 10. Nf2 Nc4 11. Bxc4 bxc4 12. Bh6 0-0 13. Bxg7 Kxg7 14. Nfd1 e5 15. Kh1 Qb6 16. dxe5 dxe5 17. Qe3 Qd4 18. Ne2 Qd6 19. Qc3 Rd8 20. Ne3 Be6 21. Rfd1 Qc5 22. b3 a5 23. g4 Nd7 24. Kg2 h6 25. Rd2 cxb3 26. axb3 Qb4 27. Rad1 Qxc3 28. Nxc3 Kf6 29. Na4 Ke7 30. Kf2 Rab8 31. Ke2 f6 32. Rd3 h5 33. h3 hxg4 34. hxg4 Rh8 35. Kd2 Rh2+ 36. Kc3 Rbh8 37. b4 axb4+ 38. Kxb4 Rf2 39. R1d2 Rhh2 40. Rxf2 Rxf2 41. Nc5 Nf8 42. c4 Rb2+ 43. Kc3 Ra2 44. Rd1 Rf2 45. Rd3 Nh7 46. Nd1 Rf1 47. Ne3 Re1 48. Nxe6 Kxe6 49. c5 Ng5 50. Nc2 Re2 51. Nb4 Rf2 52. Rd6+ Kf7 53. Nxc6 Rxf3+ 54. Kc4 Nxe4 55. Rd7+ Kf8 56. Rd8+ Kg7 57. Kd5 Ng5 58. Rd7+ Kh6 59. Ne7 Nh3 60. c6 Nf4+ 61. Ke4 Rc3 62. c7 Ne6 63. c8Q Rxc8 64. Nxc8 Nc5+ 65. Kd5 Nxd7 1/2-1/2

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.07"]
[Round "2"]
[White "Okhotnik, Vladimir"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2458"]
[BlackElo "2170"]
[PlyCount "119"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 g6 3. d4 Bg7 4. d5 Ne5 5. Nxe5 Bxe5 6. Be2 d6 7. 0-0 Bg7 8. Nc3 e5 9. dxe6 fxe6 10. f4 Ne7 11. Be3 0-0 12. Bd4 Nc6 13. Bxg7 Kxg7 14. Qd2 Qf6 15. Rad1 Rf7 16. Bb5 Qh4 17. Bxc6 bxc6 18. e5 Ba6 19. Rf2 dxe5 20. fxe5 Raf8 21. Rxf7+ Rxf7 22. Qe3 Qc4 23. h3 Rf1+ 24. Rxf1 Qxf1+ 25. Kh2 Qf5 26. Qd4 Qxc2 27. Ne4 Bf1 28. Nf2 h5 29. g4 hxg4 30. hxg4 Bc4 31. Qxa7 Qxb2 32. Qc5 Kf7 33. a4 Qd2 34. Kg3 Bd5 35. Nh3 Kg8 36. Qf2 Qc3+ 37. Kh4 Qxe5 38. Ng5 Qg7 39. Qe3 e5 40. a5 Bc4 41. a6 Bxa6 42. Qb3+ Kh8 43. Qb8+ Qg8 44. Qxc7 Bc4 45. Qxc6 Qg7 46. Kg3 Bg8 47. Qd6 Qh6 48. Qxe5+ Qg7 49. Qe3 Qc7+ 50. Kh3 Bc4 51. Qd4+ Kg8 52. Ne4 g5 53. Kg2 Be6 54. Qa4 Kg7 55. Qd4+ Kg8 56. Nxg5 Qc6+ 57. Kg3 Qc7+ 58. Kh4 Qd7 59. Qf6 Bxg4 60. Qg6+ 1-0

[Event "EU-ch Seniors 11th"]
[Site "Courmayeur"]
[Date "2011.04.06"]
[Round "1"]
[White "Van Oosten, Arend"]
[Black "D'Aulisa, Francesco"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2170"]
[BlackElo "1768"]
[PlyCount "81"]
[EventDate "2011.04.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. e4 d6 2. d4 e6 3. Nc3 a6 4. Be3 Nd7 5. a4 b6 6. f4 g6 7. Be2 Ne7 8. Nf3 Bb7 9. 0-0 Nf6 10. Nd2 Bg7 11. Bf3 d5 12. e5 Nd7 13. Bf2 Nf5 14. g4 Nh6 15. Ne2 Bf8 16. Ng3 Be7 17. Re1 Bh4 18. Ndf1 0-0 19. Qd2 Bxg3 20. Nxg3 Qh4 21. Nf5 Qh3 22. Bg2 Qxg2+ 23. Kxg2 gxf5 24. g5 Ng4 25. Bg3 h5 26. h3 Kg7 27. hxg4 hxg4 28. Rh1 Rh8 29. Rxh8 Rxh8 30. Rh1 Rxh1 31. Kxh1 c5 32. Kg1 a5 33. Bf2 Ba6 34. dxc5 g3 35. Be3 bxc5 36. Qxa5 Be2 37. Bxc5 Bf3 38. Be7 Kg6 39. Qc3 Be4 40. Qxg3 Bxc2 41. Qh2 1-0

[Event "NED-chT 1011"]
[Site "Netherlands"]
[Date "2011.02.12"]
[Round "6.10"]
[White "Van Oosten, Arend"]
[Black "Dijkstra, Arjan"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2156"]
[BlackElo "1967"]
[PlyCount "79"]
[EventDate "2010.09.25"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]
[WhiteTeam "Utrecht"]
[BlackTeam "Groningen"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nge7 8. Bh6 0-0 9. h4 f6 10. Bxg7 Kxg7 11. Nge2 Rb8 12. f4 h6 13. 0-0 b5 14. Kh2 d5 15. exd5 exd5 16. d4 c4 17. Rae1 Bf5 18. Ng1 Nb4 19. Rc1 Qd6 20. Rf2 Rfe8 21. Re2 Bg4 22. Bf3 Bxf3 23. Nxf3 Nf5 24. Rce1 Qd7 25. a3 Rxe2+ 26. Qxe2 Nc6 27. Qe6 Qxe6 28. Rxe6 Nfe7 29. Rd6 Kf7 30. Nxd5 Nxd5 31. Rxd5 Ke6 32. Rc5 Kd6 33. c3 a6 34. h5 g5 35. fxg5 hxg5 36. g4 Ne7 37. Nd2 Re8 38. Ne4+ Ke6 39. Kg3 f5 40. Re5+ 1-0

[Event "EU-chT Seniors 12th"]
[Site "Dresden"]
[Date "2010.02.18"]
[Round "9"]
[White "Van Oosten, Arend"]
[Black "Jorgensen, Jorgen"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2141"]
[BlackElo "2340"]
[PlyCount "98"]
[EventDate "2010.02.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]
[WhiteTeam "Oranje (Seniors)"]
[BlackTeam "Denmark (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "DEN"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 g6 7. Nf3 Bg7 8. 0-0 0-0 9. Qc1 Bg4 10. Ne5 Nxe5 11. Bxe5 Qd7 12. Na3 Bf5 13. Bxf5 Qxf5 14. Qc2 Qd7 15. Qe2 Rac8 16. Nc2 Rc6 17. Rae1 Re6 18. Qd3 Rb6 19. Bxf6 Bxf6 20. b3 Rc8 21. Ne3 Rbc6 22. Nd1 a6 23. f4 b5 24. b4 Qa7 25. Kh1 Rc4 26. f5 a5 27. fxg6 hxg6 28. a3 axb4 29. axb4 Kg7 30. Qf3 Qd7 31. h3 Rh8 32. Ne3 Rxc3 33. Nf5+ Qxf5 34. Qxc3 Qd7 35. Qf3 Qd6 36. Rd1 Rc8 37. Rd3 Rc2 38. Rc3 Rd2 39. Rc5 Rxd4 40. Rxb5 Qd7 41. Rb8 Qc7 42. Rb5 Qc4 43. Rb6 Rd3 44. Qf2 Qc3 45. b5 Rxh3+ 46. gxh3 Qxh3+ 47. Kg1 Qg4+ 48. Kh1 Qh3+ 49. Kg1 Qg4+ 1/2-1/2

[Event "EU-chT Seniors 12th"]
[Site "Dresden"]
[Date "2010.02.16"]
[Round "7"]
[White "Winiwarter, Felix"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2195"]
[BlackElo "2141"]
[PlyCount "67"]
[EventDate "2010.02.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]
[WhiteTeam "Salzburg Seniors"]
[BlackTeam "Oranje (Seniors)"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "NED"]

1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 Nc6 5. d5 Ne5 6. Qd4 d6 7. Bxf6 gxf6 8. Qxe4 f5 9. Qh4 Bg7 10. Qh5+ Ng6 11. Nf3 e6 12. Ng5 Bxc3+ 13. bxc3 Qf6 14. Kd2 e5 15. Rb1 h6 16. Nh3 b6 17. Bd3 Qf7 18. g4 Ne7 19. Qxf7+ Kxf7 20. gxf5 Nxd5 21. f4 Bb7 22. fxe5 dxe5 23. Rhg1 Rhg8 24. Nf2 Nf6 25. Bc4+ Bd5 26. Bxd5+ Nxd5 27. Ng4 Ke7 28. Nxe5 Rxg1 29. Rxg1 Kf6 30. Ng4+ Kxf5 31. Nxh6+ Kf4 32. Rg4+ Kf3 33. Rg3+ Kf4 34. Rg4+ 1/2-1/2

[Event "EU-chT Seniors 12th"]
[Site "Dresden"]
[Date "2010.02.15"]
[Round "6"]
[White "Van Oosten, Arend"]
[Black "Haubt, Georg"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2141"]
[BlackElo "2266"]
[PlyCount "60"]
[EventDate "2010.02.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]
[WhiteTeam "Oranje (Seniors)"]
[BlackTeam "Hessen (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Nf3 Nf6 5. d4 a6 6. Bc4 Bg4 7. h3 Bh5 8. g4 Bg6 9. Ne5 Nc6 10. Nxg6 hxg6 11. Be3 e6 12. g5 Nd7 13. Qg4 Nb6 14. Be2 Qb4 15. 0-0-0 Nc4 16. Bxc4 Qxc4 17. Qf3 Bb4 18. Rd3 Bd6 19. Kb1 a5 20. Rhd1 a4 21. Bf4 Ra5 22. Bxd6 cxd6 23. Ne4 Rd5 24. Nd2 Qa6 25. Qf4 e5 26. Qg4 0-0 27. h4 Rxd4 28. Rxd4 Nxd4 29. h5 d5 30. Nf3 Qe2 0-1

[Event "EU-chT Seniors 12th"]
[Site "Dresden"]
[Date "2010.02.14"]
[Round "5"]
[White "Stimpel, Franz"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2264"]
[BlackElo "2141"]
[PlyCount "80"]
[EventDate "2010.02.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]
[WhiteTeam "Hessen (Seniors) II"]
[BlackTeam "Oranje (Seniors)"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "NED"]

1. d4 f5 2. Bg5 g6 3. Nd2 Bg7 4. e3 Nf6 5. h4 d6 6. Bc4 Nc6 7. Ne2 e5 8. h5 h6 9. Bxf6 Qxf6 10. c3 g5 11. Qc2 Bd7 12. 0-0-0 Na5 13. Bd5 c6 14. Bb3 exd4 15. Nxd4 d5 16. a3 Nxb3+ 17. N2xb3 b6 18. f3 0-0 19. Nd2 c5 20. Ne2 Bc6 21. Nf1 Rfe8 22. Kb1 Rad8 23. Ka1 Kh8 24. Neg3 Rf8 25. Ne2 Bb5 26. Nfg3 f4 27. exf4 gxf4 28. Nf1 Rfe8 29. Nc1 d4 30. c4 d3 31. Rxd3 Bxc4 32. Rxd8 Rxd8 33. Nd2 Bf7 34. Ne4 Qe5 35. Ne2 Rd3 36. N2c3 Re3 37. Rd1 Qe8 38. Nd6 Qe7 39. Nxf7+ Qxf7 40. Ne4 Rxa3+ 0-1

[Event "EU-chT Seniors 12th"]
[Site "Dresden"]
[Date "2010.02.12"]
[Round "3"]
[White "Van Oosten, Arend"]
[Black "Csulits, Anton"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2141"]
[BlackElo "2222"]
[PlyCount "94"]
[EventDate "2010.02.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]
[WhiteTeam "Oranje (Seniors)"]
[BlackTeam "Sachsen Anhalt Seniors"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. f3 dxe4 6. fxe4 e5 7. d5 Nf6 8. dxc6 Nxc6 9. Qxd8+ Nxd8 10. Nb5 Ne6 11. Nxa7 0-0 12. Nxc8 Rfxc8 13. Bd3 Ng4 14. Bd2 Nd4 15. h3 Nf6 16. Bc3 Nh5 17. Bxd4 Ng3 18. Be3 Nxh1 19. Ne2 f5 20. exf5 e4 21. Bxe4 Re8 22. Bd5+ Kh8 23. Kd2 Rad8 24. c4 b5 25. Rxh1 bxc4 26. Nc3 Bxc3+ 27. bxc3 Rxd5+ 28. Bd4+ Kg8 29. fxg6 hxg6 30. Rb1 Ra5 31. Rb2 Rea8 32. Ke3 Rxa2 33. Rxa2 Rxa2 34. g3 Kf7 35. h4 Ke6 36. Kf4 Ra5 37. g4 Rd5 38. Ke4 Kd6 39. Kf4 Kc6 40. Ke4 Ra5 41. Kf4 Kd6 42. Ke4 Ke6 43. Kf4 Rb5 44. Ke4 Rb2 45. Kf4 Rb5 46. Ke4 Rd5 47. Kf4 Rb5 1/2-1/2

[Event "EU-chT Seniors 12th"]
[Site "Dresden"]
[Date "2010.02.11"]
[Round "2"]
[White "Nordby, Berndt"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2128"]
[BlackElo "2141"]
[PlyCount "66"]
[EventDate "2010.02.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]
[WhiteTeam "Norway East (Seniors)"]
[BlackTeam "Oranje (Seniors)"]
[WhiteTeamCountry "NOR"]
[BlackTeamCountry "NED"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. Bg2 d5 5. 0-0 Bd6 6. c4 c6 7. b3 Qe7 8. Bb2 0-0 9. Nbd2 b6 10. Ne5 Bb7 11. Rc1 Na6 12. Ndf3 Rac8 13. e3 Ne4 14. Qe2 Nb8 15. Ne1 a5 16. f3 Nf6 17. N1d3 Na6 18. f4 Ne4 19. cxd5 cxd5 20. g4 Nb8 21. gxf5 exf5 22. Kh1 Ba6 23. Bf3 Qh4 24. Qe1 Qh6 25. Rg1 Rxc1 26. Bxc1 Rc8 27. Rg2 Nc6 28. Rc2 Nb4 29. Rxc8+ Bxc8 30. Bd2 Nxd3 31. Nxd3 Ba6 32. Ne5 Be7 33. Qc1 Qd6 1/2-1/2

[Event "EU-chT Seniors 12th"]
[Site "Dresden"]
[Date "2010.02.10"]
[Round "1"]
[White "Van Oosten, Arend"]
[Black "Lerstad, Bjorn"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2141"]
[BlackElo "1825"]
[PlyCount "68"]
[EventDate "2010.02.10"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]
[WhiteTeam "Oranje (Seniors)"]
[BlackTeam "Blindern Oldtimers (Seniors)"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NOR"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 Nf6 6. Bc4 Qd8 7. dxc5 Bxc5 8. 0-0 0-0 9. Qe2 Nc6 10. Nb3 Be7 11. Bf4 Nh5 12. Be3 Qc7 13. g3 g6 14. Bh6 Re8 15. Nbd2 a6 16. a4 Bd7 17. Ne4 Ne5 18. Bb3 Bc6 19. Nd4 Bxe4 20. Qxe4 Bd6 21. Rad1 Rad8 22. Bg5 Rc8 23. Rfe1 Ng7 24. Re2 Nc4 25. c3 Bf8 26. Nf3 Nf5 27. Ne5 Nfd6 28. Qf4 Nxe5 29. Qxe5 Qb6 30. Ba2 Nc4 31. Qf4 Nd6 32. Red2 Nf5 33. g4 Ne7 34. Rd7 Qxb2 1-0

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2008.04.13"]
[Round "9"]
[White "Van Oosten, Arend"]
[Black "Ceko, Jovan"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2151"]
[BlackElo "2242"]
[PlyCount "162"]
[EventDate "2008.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. d4 d6 4. Be3 Nf6 5. f3 c6 6. Qd2 d5 7. e5 Ng8 8. Nge2 h5 9. h4 Na6 10. Nf4 Nc7 11. Be2 Nh6 12. 0-0-0 Bf5 13. Nd3 Bxd3 14. Bxd3 Qd7 15. Qf2 0-0-0 16. Be2 Nf5 17. g4 Nxe3 18. Qxe3 Bh6 19. g5 Bf8 20. Qf4 e6 21. Kb1 Bb4 22. Rd3 Bxc3 23. Rxc3 Rhe8 24. b4 b5 25. Kb2 Kb7 26. Ra1 Na8 27. a4 Nb6 28. axb5 cxb5 29. Kc1 a6 30. Rb3 Rc8 31. c3 Rc6 32. Kd2 Rec8 33. Rc1 R8c7 34. Ra3 Qc8 35. Qe3 Nd7 36. Rca1 Rb6 37. R1a2 Nb8 38. Rc2 Nc6 39. Bd3 Qf8 40. Rb3 Nb8 41. Qe1 Rbc6 42. f4 Kc8 43. Qa1 Kd7 44. Ra3 Ke7 45. Rca2 Qc8 46. Rc2 Kf8 47. Qc1 Kg7 48. Qa1 Nd7 49. Rb3 Nb6 50. Ra3 Na4 51. Rb3 Qb7 52. Qb1 Qb6 53. Qg1 Rc4 54. Bxc4 dxc4 55. Rb1 Rd7 56. Ra2 Qc6 57. Qh1 Rd5 58. Kc2 Qb6 59. Qe4 Qd8 60. Rba1 Qd7 61. Qe3 Qc6 62. Qf3 Qd7 63. Rd1 Qc6 64. Rd2 Kf8 65. Kd1 Kg7 66. Ra3 a5 67. bxa5 b4 68. cxb4 c3 69. Rd3 Qc4 70. Kc2 Qxb4 71. Rb3 Qxa5 72. Qe3 Nb6 73. Rdxc3 Qa2+ 74. Kd1 Na4 75. Rd3 Nb2+ 76. Rxb2 Qxb2 77. Rd2 Qb1+ 78. Ke2 Qh1 79. Qf2 Ra5 80. Rd1 Qe4+ 81. Kf1 Ra3 0-1

[Event "Hilversum op"]
[Site "Hilversum"]
[Date "2008.04.06"]
[Round "2"]
[White "Giri, Anish"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "2344"]
[BlackElo "2151"]
[PlyCount "103"]
[EventDate "2008.04.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bd3 Nxd2 10. Kxd2 c5 11. Nf3 Bd7 12. h4 Qe7 13. dxc5 Qxc5 14. Nd4 Nc6 15. Qf4 Ne7 16. Qf6 Rf8 17. Rab1 0-0-0 18. Rb4 Nc6 19. Rb5 Qa3 20. Rb3 Qc5 21. Nb5 Kb8 22. Nd6 Na5 23. Rb4 Bc8 24. Rhb1 Qc7 25. Ra4 Ka8 26. Nb5 Qb6 27. Rbb4 a6 28. Ke2 Nc6 29. Rb3 Rd7 30. Nd4 Nxd4+ 31. cxd4 Qd8 32. Qxd8 Rfxd8 33. Rc3 Kb8 34. Rb4 Rc7 35. Rxc7 Kxc7 36. Rb1 Bd7 37. h5 g5 38. g4 Bb5 39. Bxb5 axb5 40. f4 gxf4 41. Rf1 Ra8 42. Rxf4 Rxa2 43. Rxf7+ Kc6 44. Re7 b4 45. Kd3 Ra3+ 46. Kd2 Rg3 47. Rxe6+ Kb5 48. Rxh6 Rxg4 49. Ke3 Kc4 50. Rb6 Re4+ 51. Kf3 Rxd4 52. e6 1-0

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.10"]
[Round "9"]
[White "Abolina, Arija Solveiga"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1870"]
[BlackElo "2155"]
[PlyCount "60"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. Be2 Nf6 5. d3 0-0 6. 0-0 c5 7. c4 e6 8. Nbd2 Nc6 9. Rb1 Qc7 10. b3 Ng4 11. Qe1 Nxe3 12. Rf2 Nf5 13. g3 b6 14. Bb2 Bxb2 15. Rxb2 Bb7 16. Bf1 Rfe8 17. Ne5 f6 18. Nxc6 Bxc6 19. Bg2 Re7 20. Re2 Rae8 21. Qf2 Kg7 22. g4 Nd4 23. Re3 dxc4 24. dxc4 Bxg2 25. Kxg2 f5 26. g5 e5 27. Rxe5 Rxe5 28. fxe5 Qxe5 29. Nf3 Nxf3 30. Qxf3 Qxb2+ 0-1

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.09"]
[Round "8"]
[White "Van Oosten, Arend"]
[Black "Semmler, Guenter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2155"]
[BlackElo "2030"]
[PlyCount "85"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Be6 7. Bxe6 fxe6 8. f3 c6 9. Nh3 Bb4 10. Bd2 Nbd7 11. Nf2 Ke7 12. a3 Bd6 13. Ke2 b5 14. a4 a6 15. b3 h6 16. Ra2 b4 17. Ncd1 a5 18. Ne3 Nb6 19. Nd3 Nfd7 20. Nb2 Bc5 21. Nd3 Bd4 22. Rc1 c5 23. c3 bxc3 24. Bxc3 Rhc8 25. Bd2 Kd6 26. Nb2 Bxb2 27. Rxb2 Rcb8 28. Bc3 h5 29. Rd2+ Ke7 30. Rcd1 Ra7 31. Rd3 g6 32. h3 Rc8 33. g3 c4 34. Nxc4 Nxc4 35. bxc4 Rxc4 36. Bxa5 Rxa4 37. Bc3 Ra2+ 38. R3d2 Rxd2+ 39. Rxd2 Rb7 40. Ra2 Rb3 41. Bd2 Kd6 42. Ra7 Rb2 43. Kd1 1/2-1/2

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.08"]
[Round "7"]
[White "Eidelmann, Vova"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2047"]
[BlackElo "2155"]
[PlyCount "66"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 d5 5. Nbd2 Bd6 6. 0-0 Nbd7 7. c4 c6 8. b3 Ne4 9. Bb2 0-0 10. Ne1 Nxd2 11. Qxd2 Nf6 12. f3 Qe7 13. Nd3 Bd7 14. Ne5 Be8 15. Rae1 Rd8 16. c5 Bc7 17. b4 Nd7 18. Nd3 e5 19. dxe5 Nxe5 20. Bd4 Nc4 21. Qc1 Bf7 22. Qc3 Be6 23. e4 fxe4 24. fxe4 Rxf1+ 25. Bxf1 Qf7 26. e5 Rf8 27. Nf4 g5 28. Nxe6 Qxe6 29. Bxc4 dxc4 30. Rc1 Re8 31. Qxc4 Qxc4 32. Rxc4 Bxe5 33. Bxe5 Rxe5 1/2-1/2

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.07"]
[Round "6"]
[White "Van Oosten, Arend"]
[Black "Ivanets, Vladimir"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2155"]
[BlackElo "2261"]
[PlyCount "124"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e6 6. Nge2 b4 7. Na4 d5 8. exd5 Bxd5 9. Bxd5 Qxd5 10. 0-0 Nd7 11. d4 Ngf6 12. dxc5 Bxc5 13. Nxc5 Nxc5 14. Be3 Ncd7 15. a3 Ne5 16. Qxd5 Nxd5 17. Bc5 bxa3 18. Bxa3 g5 19. f4 gxf4 20. Nxf4 Ne3 21. Rf2 N3g4 22. Re2 Nf3+ 23. Kg2 Nd4 24. Re4 Nxc2 25. Rc1 Nxa3 26. bxa3 Nf6 27. Ra4 0-0 28. Rc6 Rfd8 29. Raxa6 Rd2+ 30. Kh3 Rad8 31. Rc1 Ra2 32. Rg1 Rdd2 33. Rg2 Rxg2 34. Nxg2 Nd5 35. Nf4 Nxf4+ 36. gxf4 Kg7 37. Kg3 Kf6 38. Ra5 h6 39. h3 Rc2 40. a4 Rc3+ 41. Kg4 Rc4 42. Kg3 Kg6 43. Kf3 Rc3+ 44. Kg2 Ra3 45. Kh2 Rf3 46. f5+ exf5 47. Rb5 Ra3 48. Rb4 Kf6 49. Kg2 h5 50. Rc4 Ke5 51. Rb4 f4 52. Rc4 h4 53. Rb4 Rg3+ 54. Kh2 f5 55. Rc4 f3 56. Rc2 Rg6 57. a5 Kf4 58. Ra2 Re6 59. Kg1 Kg3 60. Kf1 Rc6 61. Ra1 Rc2 62. a6 Rh2 0-1

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.06"]
[Round "5"]
[White "Fatalibekova, Elena"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2273"]
[BlackElo "2155"]
[PlyCount "93"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. e3 f5 4. b3 Nf6 5. Bb2 Bd6 6. Ne5 0-0 7. Nd2 Qe7 8. a3 Bd7 9. Bd3 Be8 10. 0-0 Nbd7 11. f3 Bh5 12. Qe1 c5 13. c4 Rae8 14. Qh4 Bf7 15. g4 cxd4 16. exd4 Nxe5 17. dxe5 Nd7 18. Qxe7 Bxe7 19. gxf5 exf5 20. f4 dxc4 21. Bxc4 Bxc4 22. Nxc4 b5 23. Na5 Bc5+ 24. Kg2 Bb6 25. Nb7 Nc5 26. Nxc5 Bxc5 27. Rac1 Bb6 28. Rfd1 Rd8 29. Kf3 Rxd1 30. Rxd1 Rd8 31. Rxd8+ Bxd8 32. Bd4 a6 33. Bc5 Kf7 34. Ke3 Ke6 35. Kd4 h6 36. Bf8 Bb6+ 37. Kd3 Kf7 38. Bb4 g5 39. fxg5 hxg5 40. h3 Ke6 41. Bd2 g4 42. hxg4 fxg4 43. Ke4 Bf2 44. Bc3 g3 45. Kf3 Kd5 46. a4 bxa4 47. bxa4 1/2-1/2

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.05"]
[Round "4"]
[White "Sevenyuk, Alexey"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "A94"]
[WhiteElo "1940"]
[BlackElo "2155"]
[PlyCount "70"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 f5 4. g3 Nf6 5. Bg2 c6 6. b3 Bd6 7. 0-0 0-0 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 Bd7 11. Nce1 Be8 12. Ne5 Bh5 13. Bf3 Bxf3 14. exf3 Nbd7 15. cxd5 Nxe5 16. dxe5 Nxd5 17. f4 Rfd8 18. Qh5 Nc3 19. Nf3 Rd3 20. Ng5 h6 21. h4 Qe8 22. Qxe8+ Rxe8 23. Nh3 Red8 24. Kg2 Rd2 25. a3 Rb2 26. b4 Rdd2 27. Rac1 Ne4 28. Rcd1 Kf7 29. Rxd2 Rxd2 30. Re1 Ke7 31. Kf3 Ra2 32. Re3 Nd2+ 33. Kg2 Nc4 34. Rc3 Nxa3 35. Ng1 Nb5 0-1

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.04"]
[Round "3"]
[White "Van Oosten, Arend"]
[Black "Bofinger, Juergen"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2155"]
[BlackElo "1948"]
[PlyCount "140"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. f3 e6 5. Be3 Be7 6. Qd2 a5 7. g4 h6 8. Nge2 Nbd7 9. Ng3 b5 10. Be2 a4 11. a3 Ba6 12. 0-0 Qb8 13. f4 b4 14. axb4 Bxe2 15. Qxe2 Qxb4 16. g5 hxg5 17. fxg5 Ng8 18. Nd1 a3 19. c3 Qb3 20. Rxa3 Rxa3 21. bxa3 Qxa3 22. Qc4 c5 23. Nf2 g6 24. Nd3 cxd4 25. Bxd4 Rh4 26. Nb4 Qa8 27. Rf2 d5 28. Ra2 Qb7 29. Qc6 Qxc6 30. Nxc6 f5 31. exd5 e5 32. Nxe5 Nxe5 33. Bxe5 Bxg5 34. Ra8+ Kf7 35. Ra7+ Ke8 36. Rc7 Bd8 37. Rg7 Ne7 38. Bf6 Rg4 39. d6 Nd5 40. Rg8+ Kf7 41. Rxd8 Kxf6 42. Rc8 Ke6 43. c4 f4 44. cxd5+ Kxd6 45. Rc4 Kxd5 46. Ra4 g5 47. Kg2 Ke5 48. Kf3 Rh4 49. Ra5+ Ke6 50. Ne4 Rxh2 51. Nxg5+ Kd6 52. Ne4+ Ke6 53. Kxf4 Rh4+ 54. Ke3 Rh1 55. Nc5+ Kd6 56. Kd4 Rh4+ 57. Ne4+ Kc6 58. Rc5+ Kb6 59. Rc1 Kb5 60. Kd5 Rh5+ 61. Ke6 Rh6+ 62. Nf6 Kb4 63. Ke5 Kb3 64. Ne4 Rh8 65. Nc5+ Kb4 66. Nd3+ Kb3 67. Kd4 Rh4+ 68. Kd5 Rh5+ 69. Ne5 Kb2 70. Rc5 Kb3 1/2-1/2

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.03"]
[Round "2"]
[White "Gruzmann, Boris"]
[Black "Van Oosten, Arend"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2309"]
[BlackElo "2155"]
[PlyCount "53"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 f6 7. Bd3 c4 8. Bc2 f5 9. 0-0 Be7 10. a4 h6 11. b3 cxb3 12. Bxb3 Na5 13. Ba2 Rc8 14. Nfd2 g5 15. Re1 Kf8 16. Bb2 Qe8 17. Qf3 g4 18. Qd3 b5 19. Bxd5 bxa4 20. Qa6 exd5 21. Qxa5 Bc6 22. c4 Qd8 23. Qxd8+ Rxd8 24. cxd5 Rxd5 25. Rc1 Bd7 26. Rc4 Rb5 27. Bc3 1-0

[Event "EU-ch Seniors 07th"]
[Site "Hockenheim"]
[Date "2007.06.02"]
[Round "1"]
[White "Van Oosten, Arend"]
[Black "Ivanova, Marianna"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2155"]
[BlackElo "1761"]
[PlyCount "65"]
[EventDate "2007.06.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Ne7 4. Bg2 Ng6 5. d3 Be7 6. Be3 0-0 7. Nge2 Nc6 8. Qd2 d6 9. f4 Bd7 10. h4 Nh8 11. h5 f5 12. exf5 exf5 13. Nd5 Nf7 14. 0-0-0 h6 15. Rhe1 Be6 16. d4 c4 17. Nxe7+ Qxe7 18. d5 Bd7 19. dxc6 bxc6 20. Bd4 Kh7 21. Bc3 Rg8 22. Nd4 Qd8 23. Nxc6 Bxc6 24. Bxc6 Rb8 25. Bd5 Qf8 26. Be6 Rb5 27. Bxc4 Rb6 28. Qd3 g6 29. hxg6+ Rxg6 30. Qxf5 Rb7 31. Qxg6+ Kxg6 32. Bd3+ Kh5 33. Bf5 1-0

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Cuijpers, Frans Andre"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "B04"]
[WhiteElo "2435"]
[PlyCount "87"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Nc6 7. Ng5 e6 8. Qf3 Qe7 9. exd6 cxd6 10. c3 h6 11. Ne4 f5 12. Ned2 Bd7 13. a4 Na5 14. Bc2 Bc6 15. Qe2 Bxg2 16. Rg1 Bd5 17. b4 Nac4 18. a5 Nxd2 19. Nxd2 Nc8 20. c4 Bc6 21. Rxg6 Bd7 22. Bb2 Qf7 23. Rg1 Ne7 24. 0-0-0 Bg7 25. f4 Bf6 26. c5 d5 27. Nf3 Nc6 28. Bxf5 0-0-0 29. Bg6 Qf8 30. Bc3 a6 31. Bd3 Qf7 32. Ne5 Bxe5 33. fxe5 Qf4+ 34. Qd2 Qh4 35. Bc2 Rdf8 36. Rdf1 Ne7 37. Qg2 Bb5 38. Rxf8+ Rxf8 39. Qg3 Qxg3 40. hxg3 Rf3 41. Kb2 Rf2 42. Kc1 Rf3 43. Kb2 Rf2 44. Kc1 1/2-1/2

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "?"]
[White "Middelburg, Tom"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A94"]
[PlyCount "100"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 f5 3. c4 e6 4. g3 Nf6 5. Bg2 c6 6. 0-0 Bd6 7. b3 0-0 8. Ba3 Bxa3 9. Nxa3 Bd7 10. Nc2 Be8 11. Nce1 Nbd7 12. Nd3 Qe7 13. Qd2 Bh5 14. Nfe5 Rad8 15. Qe3 Nxe5 16. dxe5 Nd7 17. cxd5 cxd5 18. Rfc1 Rc8 19. Nf4 Bf7 20. Rxc8 Rxc8 21. Rc1 Rxc1+ 22. Qxc1 Qc5 23. Qxc5 Nxc5 24. Nd3 b6 25. Kf1 Be8 26. b4 Na4 27. Ke1 Nc3 28. Nc1 g5 29. Kd2 Nb5 30. Nb3 Kf7 31. e3 Kg6 32. Bf1 Nc7 33. Nd4 h6 34. Be2 g4 35. Kc3 Kf7 36. Kb3 Ke7 37. a4 Bd7 38. b5 Ne8 39. Kb4 Kd8 40. Bf1 Kc7 41. h3 h5 42. h4 Ng7 43. Ne2 Be8 44. Nf4 Kd7 45. Kc3 Kc7 46. Bd3 Bf7 47. Kd4 Kd7 48. Bc2 Kc7 49. Bd1 Kd7 50. Be2 Kc7 1/2-1/2

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "7"]
[White "Van Oosten, Arend"]
[Black "Klip, Hans"]
[Result "1/2-1/2"]
[ECO "C30"]
[BlackElo "2305"]
[PlyCount "103"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Qh5 Nf6 4. Qxe5+ Be7 5. Qc3 d5 6. e5 Ne4 7. Qe3 0-0 8. d3 Bc5 9. d4 Bb6 10. Nd2 f6 11. Nxe4 dxe4 12. Bc4+ Kh8 13. c3 fxe5 14. fxe5 Nc6 15. Qg5 Qe8 16. Ne2 Na5 17. Bd5 Bf5 18. Qh4 c5 19. Bxe4 Bd8 20. Qf4 Bg5 21. Qxg5 Bxe4 22. Bf4 Bd3 23. b3 Bxe2 24. Kxe2 Qc6 25. Rad1 Qe4+ 26. Be3 Nc6 27. h3 cxd4 28. cxd4 Nb4 29. Rhf1 Nd5 30. Rf3 Nc3+ 31. Kd2 Nxd1 32. Kxd1 Rac8 33. Qg4 Qb1+ 34. Ke2 Qxa2+ 35. Bd2 Qa6+ 36. Ke3 Qb6 37. b4 Rfe8 38. Rf7 Qh6+ 39. Kf3 Qc6+ 40. Kg3 Rg8 41. Kh2 Rce8 42. Bg5 a6 43. Qd7 h6 44. Bh4 Qg6 45. Qxb7 Rc8 46. Rxg7 Rxg7 47. Qxc8+ Kh7 48. Qa8 Qd3 49. Qd5 Qe3 50. Qf3 Qxf3 51. gxf3 Rd7 52. Bf2 1/2-1/2

[Event "NED-chT 9697"]
[Site "Netherlands"]
[Date "1996.??.??"]
[Round "9"]
[White "Van Oosten, Arend"]
[Black "Lacrosse, Marc"]
[Result "1/2-1/2"]
[ECO "C30"]
[BlackElo "2220"]
[PlyCount "93"]
[EventDate "1996.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 Nc6 3. Nf3 f5 4. exf5 e4 5. Ne5 Nxe5 6. fxe5 Qe7 7. Qh5+ Kd8 8. Bc4 Qxe5 9. Bxg8 g6 10. Qe2 Rxg8 11. d4 Qxf5 12. g4 Qe6 13. d5 Qxd5 14. Nc3 Qe5 15. Rf1 Bb4 16. Bd2 e3 17. Qxe3 Re8 18. Qxe5 Rxe5+ 19. Kf2 d5 20. h3 Be6 21. Bf4 Bxc3 22. bxc3 Re4 23. Kg3 Kd7 24. Rfe1 Rxe1 25. Rxe1 c6 26. Bh6 a5 27. Kf4 a4 28. Ke5 d4 29. a3 dxc3 30. Kd4 Ra5 31. Kxc3 Rc5+ 32. Kd3 Rd5+ 33. Kc3 b5 34. Rf1 Rc5+ 35. Kd2 Rc4 36. Rf8 b4 37. axb4 Rxb4 38. Rh8 a3 39. Rxh7+ Kc8 40. Ra7 a2 41. Bg7 Rb1 42. Be5 Bd5 43. Ra4 Kd7 44. c4 Bxc4 45. Rxc4 a1Q 46. Bxa1 Rxa1 47. Rf4 1/2-1/2

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Baljon, Christofoor"]
[Black "Van Oosten, Arend"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "2310"]
[PlyCount "72"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. h4 Bg7 8. h5 Nc6 9. Be3 Bf5 10. g4 Bd7 11. h6 Bf8 12. b3 e6 13. Nge2 Be7 14. Ng3 d5 15. c5 Nc8 16. Rb1 a5 17. a3 b6 18. b4 axb4 19. axb4 bxc5 20. dxc5 Bf6 21. Bd2 0-0 22. b5 Ne5 23. f4 Nc4 24. Bxc4 dxc4 25. Qe2 e5 26. f5 Bh4 27. Kf2 gxf5 28. Qxe5 Bf6 29. Qd5 Be6 30. Qxa8 Qxd2+ 31. Nce2 Bd5 32. Qa4 f4 33. Nf5 Qd3 34. Rhd1 Qf3+ 35. Ke1 Re8 36. Qc2 Bc3+ 0-1

[Event "NED-chT 9596"]
[Site "Netherlands"]
[Date "1995.??.??"]
[Round "?"]
[White "Bierenbroodspot, Paul"]
[Black "Van Oosten, Arend"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2300"]
[PlyCount "66"]
[EventDate "1995.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 d5 5. e3 c6 6. Bd3 Bd6 7. Ne5 Nbd7 8. f4 0-0 9. c5 Bc7 10. 0-0 Ne4 11. Bd2 Nxe5 12. fxe5 Nxc3 13. Bxc3 Bd7 14. b4 a6 15. a4 Qg5 16. Rf3 Be8 17. Rg3 Qe7 18. Be2 Kh8 19. Qb3 g5 20. Rf3 Bh5 21. Rf2 Bxe2 22. Rxe2 f4 23. Rf1 fxe3 24. Qd1 Rxf1+ 25. Qxf1 Rf8 26. Qe1 Bd8 27. Rxe3 g4 28. Re2 Qf7 29. Bd2 Kg7 30. Rf2 Qxf2+ 31. Qxf2 Rxf2 32. Kxf2 Kg6 33. Bf4 Kf5 1/2-1/2

