[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.19"]
[Round "6"]
[White "Dekker, Derk"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1893"]
[BlackElo "2137"]
[PlyCount "60"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 Be7 4. e5 Ng8 5. Bxe7 Nxe7 6. c4 d6 7. Nf3 Nbc6 8. Nc3 Ng6 9. exd6 cxd6 10. Qd2 a6 11. Bd3 e5 12. d5 Nce7 13. 0-0-0 Bg4 14. Be2 Nf4 15. h3 Bh5 16. g3 Nxe2+ 17. Qxe2 Rc8 18. g4 Bg6 19. Nh4 Qc7 20. f4 f6 21. fxe5 fxe5 22. Rhf1 Qxc4 23. Qf3 Qe4 24. Nxg6 Qxg6 25. Kd2 Rc4 26. Rde1 Rf4 27. Qe3 0-0 28. Rxf4 Rxf4 29. Qe2 Qf7 30. Kc1 Nxd5 0-1

[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.19"]
[Round "7"]
[White "Lambrechts, Koen"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2349"]
[BlackElo "2137"]
[PlyCount "70"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Bc4 Nc6 4. 0-0 Bg7 5. c3 d6 6. h3 Nf6 7. Re1 0-0 8. d3 Na5 9. Bb5 a6 10. Ba4 b5 11. Bc2 e5 12. Nbd2 Qc7 13. Nf1 h6 14. Bd2 Be6 15. Rc1 Bxa2 16. c4 bxc4 17. Ra1 cxd3 18. Bxd3 Bb3 19. Bxa5 Bxd1 20. Bxc7 Bxf3 21. gxf3 Rfc8 22. Ba5 c4 23. Bc2 d5 24. exd5 Nxd5 25. Be4 Rc5 26. Red1 Rb8 27. Rxd5 Rxd5 28. Bxd5 Rxb2 29. Bc3 Rc2 30. Bd2 c3 31. Be3 Kf8 32. Rxa6 f5 33. Rc6 f4 34. Bc5+ Ke8 35. Be4 Rd2 1-0

[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.19"]
[Round "5"]
[White "Oudshoorn, Arres"]
[Black "Celinski, Kamil"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2137"]
[BlackElo "1907"]
[PlyCount "113"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. a4 Bb7 9. Nc3 b4 10. Nd5 Bc5 11. d3 h6 12. c3 a5 13. Ne3 Re8 14. Nf5 Bb6 15. Qc2 d6 16. h3 Ne7 17. N3h4 Nxf5 18. Nxf5 d5 19. c4 dxe4 20. dxe4 Bc5 21. Kh2 Qd7 22. g4 Rad8 23. f3 Qd3 24. Kg2 Bc8 25. Ne3 Bb7 26. Rd1 Qxc2+ 27. Bxc2 Bc6 28. Nd5 Bxd5 29. cxd5 Bd4 30. Bd3 Nd7 31. Bb5 Re7 32. Rb1 Nc5 33. b3 f6 34. Kf1 Kh7 35. Ke2 Nb7 36. Be3 Bxe3 37. Kxe3 Nd6 38. Rdc1 Kg6 39. Rc5 Nb7 40. Rc2 Rc8 41. Ba6 Rb8 42. Rbc1 Nd6 43. Rxc7 Rxc7 44. Rxc7 Ne8 45. Rc5 Kg5 46. Bf1 Ra8 47. Kf2 Kf4 48. Bb5 Kg5 49. Kg3 h5 50. gxh5 Kxh5 51. Bxe8+ Rxe8 52. Rxa5 Rc8 53. d6 Kg6 54. d7 Rd8 55. Rd5 Kf7 56. a5 Ke7 57. a6 1-0

[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.19"]
[Round "8"]
[White "Oudshoorn, Arres"]
[Black "Heer, Stephan"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2137"]
[BlackElo "2047"]
[PlyCount "75"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nf3 a6 4. Bd3 Bg7 5. 0-0 Nd7 6. Bg5 h6 7. Bh4 g5 8. Bg3 g4 9. Nh4 Bxd4 10. c3 Bf6 11. Qxg4 Ne5 12. Qe2 Nxd3 13. Qxd3 e6 14. Nf3 e5 15. Nbd2 h5 16. h3 h4 17. Bh2 Ne7 18. Nc4 Rg8 19. Kh1 Be6 20. Nfd2 Ng6 21. Ne3 Qd7 22. Nd5 Bg5 23. Nc4 Rd8 24. Rad1 b5 25. Nce3 c6 26. Nb4 Bf4 27. Nf5 d5 28. Qc2 Bxh2 29. Kxh2 Nf4 30. g3 hxg3+ 31. fxg3 a5 32. Nd3 Bxf5 33. Nxe5 Qd6 34. Rxf4 Bxe4 35. Rxe4 Qe6 36. Re2 Kf8 37. Rf1 f6 38. Ng4 1-0

[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.18"]
[Round "4"]
[White "Oudshoorn, Arres"]
[Black "De Vreugt, Dennis"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "2137"]
[BlackElo "2393"]
[PlyCount "75"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Qc7 8. f4 Nbd7 9. Bf3 Be7 10. a4 0-0 11. Kh1 Re8 12. Be3 Bf8 13. Qd2 Nb6 14. b3 e5 15. Nde2 exf4 16. Nxf4 Be6 17. a5 Nbd7 18. Na4 Ne5 19. Nb6 Rab8 20. c4 g6 21. Rac1 Bg7 22. Rcd1 Nc6 23. Qxd6 Qxd6 24. Rxd6 Bf8 25. Rdd1 Nxa5 26. Bd4 Bg7 27. Nxe6 Rxe6 28. e5 Ne8 29. Bd5 Re7 30. Bc5 Rxe5 31. Bxf7+ Kh8 32. Nd7 Nxb3 33. Nxb8 Rxc5 34. Rd8 h5 35. Bxg6 Bc3 36. Bxe8 Kg7 37. Rf7+ Kh6 38. h4 1-0

[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.18"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Theulings, Paul Peter"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2137"]
[BlackElo "2063"]
[PlyCount "41"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Be3 Be7 7. Nc3 Nc6 8. Nf3 0-0 9. Bd3 Nb4 10. Be2 Bf5 11. Rc1 d5 12. a3 Nc6 13. c5 Nc8 14. Qb3 Be4 15. Qxb7 Qd7 16. Bb5 Na5 17. Qxa8 c6 18. Ne5 Qc7 19. Bxc6 Nd6 20. cxd6 Bxd6 21. Nb5 1/2-1/2

[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.18"]
[Round "3"]
[White "Schouten, Jordy"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2121"]
[BlackElo "2137"]
[PlyCount "102"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. dxc5 Qxd1+ 7. Kxd1 e5 8. b4 e4 9. h3 0-0-0+ 10. Kc2 Bf5 11. g4 Bg6 12. Nh4 Be7 13. Nxg6 hxg6 14. Bf4 f5 15. Bc4 Rf8 16. g5 Rh4 17. Bg3 Rh5 18. Be2 Rh8 19. f4 exf3 20. Bxf3 Bxg5 21. Na3 f4 22. Bf2 Ne5 23. Bd5 Nf6 24. Be6+ Kb8 25. Rad1 Re8 26. Bb3 Nf3 27. Bc4 Ne4 28. Bd4 Ng3 29. Bxg7 Rh7 30. Rd7 Nxh1 31. Bd5 Re7 32. Rd8+ Kc7 33. Rd6 Rexg7 34. Bxf3 Rxh3 35. Nb5+ Kb8 36. Rd5 Rxf3 37. Rxg5 Rf2+ 38. Kb3 a6 39. Nd4 f3 40. Rg1 Rh7 41. Rxg6 Rg2 42. Rf6 f2 43. b5 axb5 44. Rf8+ Kc7 45. Nxb5+ Kc6 46. Kc4 Rg4+ 47. Nd4+ Kc7 48. Kd5 Rg5+ 49. Kc4 Rg1 50. Kd5 f1Q 51. Ne6+ Kd7 0-1

[Event "NED-chT Promotion Liga 1"]
[Site "Netherlands"]
[Date "2021.06.12"]
[Round "1.1"]
[White "Oudshoorn, Arres"]
[Black "De Ruiter, Danny"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2155"]
[BlackElo "2247"]
[PlyCount "74"]
[EventDate "2021.06.12"]
[EventType "team-k.o."]
[EventRounds "2"]
[EventCountry "NED"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Leiden Philidor"]
[BlackTeam "De Waagtoren"]
[WhiteTeamCountry "NED"]
[BlackTeamCountry "NED"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nc3 Bb4 7. Nxc6 bxc6 8. Bd3 d5 9. Bd2 0-0 10. e5 Nd7 11. Qg4 Qe7 12. f4 Nc5 13. Qh3 Nxd3+ 14. Qxd3 a5 15. a3 Ba6 16. Qg3 Bc5 17. Na4 Bd4 18. 0-0-0 Be2 19. Rde1 Bb5 20. Nc3 Bc4 21. f5 f6 22. exf6 Qxf6 23. fxe6 Bf2 24. Qd6 Bxe1 25. Rxe1 Rfe8 26. Na4 d4 27. Nc5 Bd5 28. b4 d3 29. Qe5 Qxe5 30. Rxe5 axb4 31. Bxb4 dxc2 32. g4 Bf3 33. g5 Rad8 34. Kxc2 Rd5 35. Re3 Bg4 36. h4 Bxe6 37. Nxe6 Kf7 0-1

[Event "Pula op 33rd"]
[Site "Pula"]
[Date "2019.06.24"]
[Round "3"]
[White "Fercec, Nenad"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2446"]
[BlackElo "2175"]
[PlyCount "57"]
[EventDate "2019.06.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CRO"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Nb6 8. Nc3 Bg7 9. Bf4 d5 10. exd6 Bf5 11. Qe3 0-0 12. 0-0-0 exd6 13. Rxd6 Qc8 14. Bh6 Re8 15. Qd2 Bh8 16. Bb5 Nb4 17. a3 Nxc2 18. Bxe8 Qxe8 19. Qf4 Nxa3 20. Re1 Qc8 21. Nd4 Nac4 22. Nxf5 Qxf5 23. Qxf5 gxf5 24. Rd3 f4 25. Bxf4 f5 26. Re7 Bf6 27. Rxb7 Nxb2 28. Kxb2 Na4+ 29. Kc2 1-0

[Event "Delft Prinsenstad op-A 9th"]
[Site "Delft"]
[Date "2016.03.26"]
[Round "2"]
[White "Van Dijk, Harold"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2304"]
[BlackElo "2032"]
[PlyCount "51"]
[EventDate "2016.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 Nc6 4. Bg2 e6 5. d3 Nf6 6. Nh3 Be7 7. 0-0 0-0 8. a4 d6 9. f4 d5 10. exd5 exd5 11. f5 d4 12. Ne4 Nxe4 13. Bxe4 Nb4 14. Qh5 Bf6 15. Rf4 Nxc2 16. Rh4 Bxh4 17. f6 g6 18. Qxh4 Bxh3 19. Bf4 Kh8 20. Rc1 Be6 21. Rxc2 c4 22. Bxb7 cxd3 23. Rc5 Rg8 24. Be4 Rc8 25. Qxh7+ Kxh7 26. Rh5# 1-0

[Event "Delft Prinsenstad op 9th"]
[Site "Delft"]
[Date "2016.03.25"]
[Round "1"]
[White "Oudshoorn, Arres"]
[Black "Lalic, Bogdan"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2032"]
[BlackElo "2429"]
[PlyCount "41"]
[EventDate "2016.03.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Bd6 8. Nf4 Nf6 9. 0-0 0-0 10. c3 Nbd7 11. Qf3 e5 12. Nxg6 hxg6 13. Ne4 Nxe4 14. Qxe4 exd4 15. Qxd4 Qc7 16. Qh4 Rae8 17. Bg5 b5 18. Bb3 Nc5 19. Be3 Re4 20. Qh3 Qe7 21. Qf3 1/2-1/2

[Event "Leiden op-A 8th"]
[Site "Leiden"]
[Date "2014.07.13"]
[Round "3"]
[White "Van der Marel, Bert"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2161"]
[BlackElo "2038"]
[PlyCount "123"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 e5 7. d5 a5 8. Be2 Na6 9. Bg5 h6 10. Be3 h5 11. h4 Qe8 12. f3 Nc5 13. Qd2 Bd7 14. Bh6 Nh7 15. Bxg7 Kxg7 16. 0-0-0 a4 17. Rdg1 Qe7 18. Bd1 Rfb8 19. Bc2 b5 20. cxb5 Bxb5 21. Nd1 Rb7 22. Nf1 a3 23. Nfe3 axb2+ 24. Kb1 Rba7 25. Nc3 Ba4 26. g4 Bxc2+ 27. Qxc2 Na4 28. Ncd1 hxg4 29. Rxg4 Qf6 30. Qg2 Nc5 31. Nc3 Nd3 32. h5 g5 33. h6+ Kh8 34. Qe2 Nb4 35. a4 Rb8 36. Nc4 Na6 37. Na5 Raa8 38. Nc6 Rb3 39. Kc2 Nc5 40. a5 Kg8 41. Rgg1 Kf8 42. Rb1 Qf4 43. Rxb2 Rxb2+ 44. Kxb2 f5 45. Nb5 Rc8 46. Ra1 Ke8 47. a6 Kd7 48. a7 Ra8 49. Nc3 Nf6 50. Rh1 Nh7 51. Kc2 Ke8 52. Qb5 Kf7 53. Qb8 Na6 54. Qxa8 Qxf3 55. Re1 Nc5 56. Rd1 fxe4 57. Qh8 Kg6 58. Ne7+ Kh5 59. Qxh7 e3 60. Qg6+ Kh4 61. Nf5+ Kh3 62. Nxe3 1-0

[Event "Leiden op-A 8th"]
[Site "Leiden"]
[Date "2014.07.12"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Maryasin, Boris Feliksovich"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2038"]
[BlackElo "2327"]
[PlyCount "94"]
[EventDate "2014.07.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb5 Nf6 6. N5c3 e6 7. Be2 Be7 8. Nd2 d5 9. exd5 exd5 10. Bf3 Be6 11. Nb3 Rd8 12. Qe2 0-0 13. 0-0 d4 14. Ne4 Ne5 15. Rd1 Bc4 16. Nxf6+ Qxf6 17. Qe4 Bd5 18. Qf4 Nxf3+ 19. gxf3 Qg6+ 20. Qg4 Bxf3 21. Qxg6 hxg6 22. Rxd4 Bf6 23. Rxd8 Rxd8 24. Be3 Bxb2 25. Rb1 Rd1+ 26. Rxd1 Bxd1 27. Na5 b5 28. Bxa7 Bxc2 29. Bc5 Be4 30. Nb3 Bd5 31. Kf1 g5 32. Bd6 f6 33. Ke2 Kf7 34. Kd3 g6 35. Kc2 Ke6 36. Bg3 Be5 37. a3 f5 38. Nc5+ Kd6 39. Bxe5+ Kxe5 40. Kc3 Kf4 41. Kb4 Kf3 42. Nd3 Be4 43. Ne5+ Kxf2 44. Nxg6 f4 45. Ne5 Kg2 46. Kxb5 f3 47. Kc4 f2 0-1

[Event "Leiden Noteboom Memorial 74th"]
[Site "Leiden"]
[Date "2014.03.01"]
[Round "3"]
[White "Oudshoorn, Arres"]
[Black "Van der Scheer, Henk"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2043"]
[PlyCount "52"]
[EventDate "2014.02.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Bd7 5. Nc3 Nc6 6. Bc4 Nxd4 7. Qxd4 Nf6 8. Be3 Be7 9. f3 0-0 10. 0-0-0 a6 11. Rhe1 b5 12. Bf1 c5 13. Qd2 Bc6 14. Qf2 Qc7 15. g4 b4 16. Nd5 Nxd5 17. exd5 Bb5 18. f4 Bf6 19. g5 Bc3 20. Bd2 Qa5 21. Kb1 Rab8 22. Re4 Bxf1 23. Qxf1 Bxd2 24. Rxd2 b3 25. Rf2 bxa2+ 26. Ka1 Rxb2 0-1

[Event "Delft Prinsenstad op-A 6th"]
[Site "Delft"]
[Date "2013.03.29"]
[Round "1"]
[White "Haslinger, Stewart"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2547"]
[BlackElo "2073"]
[PlyCount "55"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bg7 6. e5 Ng8 7. Bf4 Nc6 8. Nxc6 bxc6 9. Bc4 Nh6 10. Qd2 Ng4 11. Qe2 h5 12. h3 Nh6 13. g4 hxg4 14. hxg4 Kf8 15. 0-0-0 a5 16. Qe3 Ng8 17. Rxh8 Bxh8 18. Bxf7 Kxf7 19. e6+ Kf8 20. Bh6+ Nxh6 21. Qxh6+ Bg7 22. Qf4+ Bf6 23. g5 d5 24. gxf6 exf6 25. Qh6+ Ke7 26. Qg7+ Kd6 27. Ne4+ Ke5 28. e7 1-0

[Event "Leiden Noteboom Memorial-A 72nd"]
[Site "Leiden"]
[Date "2012.02.19"]
[Round "5"]
[White "Wantola, Ivo"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2325"]
[BlackElo "2065"]
[PlyCount "86"]
[EventDate "2012.02.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 147 Extra"]
[Source "ChessBase"]
[SourceDate "2012.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2012.04.24"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Nf6 3. Nc3 Bg7 4. e4 c5 5. d4 d6 6. Be2 0-0 7. 0-0 a6 8. dxc5 dxc5 9. Be3 Nbd7 10. h3 Qc7 11. Qc2 e6 12. Nh2 Rd8 13. f4 b6 14. Bf3 Bb7 15. e5 Ne8 16. Ne4 Nb8 17. Rfd1 Nc6 18. Nf1 Bh6 19. Kf2 Rxd1 20. Rxd1 Rd8 21. Rxd8 Qxd8 22. Qd2 Qxd2+ 23. Nfxd2 Kf8 24. Nc3 Nc7 25. Na4 Na8 26. g3 Ke8 27. Bxc5 bxc5 28. Nxc5 Nb6 29. Nxb7 Nxe5 30. b3 Nd3+ 31. Ke3 Nc1 32. a4 Bf8 33. c5 Na8 34. Kd4 Nc7 35. Kc4 Bg7 36. b4 Na2 37. Ne4 Nd5 38. b5 Nab4 39. Ned6+ Kd7 40. bxa6 Nxa6 41. Bxd5 exd5+ 42. Kxd5 Nb4+ 43. Kc4 Nc6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.28"]
[Round "9"]
[White "Oudshoorn, Arres"]
[Black "Odendahl, Reiner"]
[Result "0-1"]
[ECO "B59"]
[WhiteElo "2007"]
[BlackElo "2375"]
[PlyCount "78"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 e5 7. Nb3 Be7 8. Be2 0-0 9. Bf3 b6 10. 0-0 Ba6 11. Re1 Rc8 12. a4 Qc7 13. Nd2 Nb4 14. Bg5 h6 15. Bxf6 Bxf6 16. Nf1 Bxf1 17. Rxf1 Qc5 18. g3 a6 19. h4 Rb8 20. Qe2 Rfc8 21. Rfc1 b5 22. axb5 axb5 23. Bg2 Bd8 24. Bf1 Bb6 25. Ra3 d5 26. exd5 Nxd5 27. Nxb5 e4 28. Nc3 e3 29. f4 Qxa3 30. bxa3 Nxc3 31. Qd3 e2+ 32. Kg2 exf1Q+ 33. Rxf1 Bd8 34. g4 Bxh4 35. Rh1 Bf6 36. g5 Rd8 37. Qf5 Rd5 38. Qg4 Bxg5 39. Qg3 Ne2 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.27"]
[Round "8"]
[White "Beukema, Stefan"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2209"]
[BlackElo "2007"]
[PlyCount "118"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 d5 9. exd6 Qxd6 10. Qf3 Nf6 11. Bf4 Bg4 12. Qe3 Qb4 13. Be5 Bg7 14. Qf4 Qb7 15. Ne4 0-0 16. 0-0 Bf5 17. Nxf6+ exf6 18. Bc3 Rfe8 19. Rfe1 Qd7 20. h4 h5 21. Bb3 Rad8 22. Rad1 Rxe1+ 23. Rxe1 Re8 24. Rxe8+ Qxe8 25. Qd6 Qd7 26. Qxd7 Bxd7 27. Kf1 g5 28. Bd4 a6 29. g3 Be6 30. Bxe6 fxe6 31. b4 Kf7 32. a4 Bf8 33. Bc3 gxh4 34. gxh4 e5 35. Kg2 Ke6 36. Be1 Kd5 37. Kf3 f5 38. Ke2 Kc4 39. c3 e4 40. f3 Bg7 41. fxe4 fxe4 42. b5 cxb5 43. axb5 axb5 44. Ke3 Bxc3 45. Bg3 Kd5 46. Bc7 Bf6 47. Bg3 b4 48. Kd2 b3 49. Bf2 Kc4 50. Bg3 Kb4 51. Kc1 Kc3 52. Kb1 Kd3 53. Bf2 Ke2 54. Bg3 e3 55. Bf4 Kf3 56. Bh6 e2 57. Bc1 Kf2 58. Bd2 e1Q+ 59. Bxe1+ Kxe1 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.26"]
[Round "7"]
[White "Oudshoorn, Arres"]
[Black "Wroblowski, Oliver"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2007"]
[BlackElo "2191"]
[PlyCount "73"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 b6 2. Nc3 Bb7 3. d4 e6 4. Bd3 g6 5. Be3 Bg7 6. Qd2 Nc6 7. Nce2 Qe7 8. c3 h6 9. h3 Nf6 10. f4 d5 11. e5 Nd7 12. Nf3 Na5 13. b4 Nc4 14. Bxc4 dxc4 15. 0-0 b5 16. a4 bxa4 17. Rxa4 Nb6 18. Ra2 Bd5 19. Qc2 0-0 20. Ng3 Rfb8 21. Nd2 Qe8 22. Rfa1 Rb7 23. Nge4 Nd7 24. Ra5 Bf8 25. Qd1 Be7 26. Qf1 Nb6 27. Nc5 Qc6 28. Kh2 Rbb8 29. g4 f5 30. exf6 Bxf6 31. Rxa7 Rxa7 32. Rxa7 g5 33. Qb1 Kg7 34. Nde4 Rf8 35. b5 Bxe4 36. Qxe4 Qxe4 37. Rxc7+ 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.25"]
[Round "6"]
[White "Van der Linden, Lucas"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "E86"]
[WhiteElo "2275"]
[BlackElo "2007"]
[PlyCount "89"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 c6 7. Be3 e5 8. Qd2 Be6 9. d5 cxd5 10. cxd5 Bd7 11. g4 h5 12. h3 Kh7 13. Bg5 b5 14. gxh5 gxh5 15. h4 Rh8 16. Ng3 Kg8 17. Bxb5 Bc8 18. 0-0-0 Qa5 19. Rhg1 Kf8 20. Bc6 Nxc6 21. dxc6 Ne8 22. Nf5 Bxf5 23. exf5 f6 24. Be3 Rc8 25. Kb1 Rxc6 26. Rc1 Rc7 27. Rc2 Rd7 28. Qf2 Bh6 29. Ne4 Bxe3 30. Qxe3 Qd8 31. Rg6 Rg7 32. Rxg7 Nxg7 33. Qxa7 Nxf5 34. Nxf6 Ne7 35. Qe3 Kf7 36. Ne4 Qd7 37. Qg5 Qe6 38. Rc7 d5 39. Nc3 Kf8 40. Nxd5 Qf5+ 41. Qxf5+ Nxf5 42. Rc8+ Kg7 43. Rxh8 Kxh8 44. a4 Nxh4 45. a5 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.23"]
[Round "5"]
[White "Oudshoorn, Arres"]
[Black "Hoogland, Dirk"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2007"]
[BlackElo "2181"]
[PlyCount "85"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Nc7 8. Nc3 Bg7 9. Bc4 b5 10. Bxb5 Nxb5 11. Nxb5 Qa5+ 12. Nc3 Rb8 13. 0-0 Bb7 14. Qe3 Nxe5 15. Nxe5 Qxe5 16. Qxa7 0-0 17. Qe3 Qf5 18. Qd3 Qe6 19. Rd1 Rfd8 20. f3 Ba6 21. Qe4 Bxc3 22. Qxe6 dxe6 23. Rxd8+ Rxd8 24. bxc3 Rd1+ 25. Kf2 f6 26. a4 Kf7 27. Ke3 Re1+ 28. Kd4 Re2 29. Ra3 Rxg2 30. Kc5 Rxh2 31. a5 Rh5+ 32. Kb6 Be2 33. a6 Rb5+ 34. Kc6 Rb8 35. Kc7 Ra8 36. a7 Bxf3 37. c4 Rg8 38. c5 Ba8 39. Rb3 e5 40. Rb8 h5 41. Rxg8 Kxg8 42. Kd7 Kf7 43. c6 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.21"]
[Round "3"]
[White "Von Meijenfeldt, Bart"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2154"]
[BlackElo "2007"]
[PlyCount "45"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. g3 Nc6 5. Bg2 b5 6. Nf3 d5 7. exd5 exd5 8. 0-0 Nf6 9. d4 Be7 10. dxc5 Bxc5+ 11. Kh1 0-0 12. Ne5 Nxe5 13. fxe5 Ng4 14. Qe2 Qb6 15. Nxd5 Qa7 16. h3 Nf2+ 17. Kh2 Be6 18. Ne3 Bc4 19. Nxc4 bxc4 20. Bxa8 Rxa8 21. Bd2 Rd8 22. Ba5 Rc8 23. Be1 1-0

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.20"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Hendriks, Willy"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2007"]
[BlackElo "2415"]
[PlyCount "94"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Be2 a6 6. 0-0 Qc7 7. Nxc6 Qxc6 8. Bf3 Ne7 9. Be3 Ng6 10. g3 Bc5 11. Bd4 0-0 12. Nc3 d6 13. a4 b6 14. Ne2 Bb7 15. Bxc5 dxc5 16. Nc3 Rad8 17. Qe2 Rd4 18. Bg2 Rfd8 19. Rad1 Ne5 20. f4 Nd7 21. Rd2 Qc7 22. Rfd1 e5 23. f5 Nf6 24. Bf3 h6 25. b3 R8d7 26. Kf2 Qd8 27. Ke1 Qe7 28. Qe3 Bc6 29. Qe2 c4 30. Rxd4 exd4 31. Qxc4 Bxe4 32. Nxe4 Nxe4 33. Kf1 Ng5 34. Bg2 Qf6 35. Qd3 a5 36. Kg1 Re7 37. h4 Nh7 38. Bh3 Qd6 39. c3 Nf6 40. cxd4 Nd5 41. Bg2 Re3 42. Qc4 Rxg3 43. Rd2 Ne3 44. Qc1 Nxg2 45. Rxg2 Qxd4+ 46. Kf1 Rf3+ 47. Ke1 Qxh4+ 0-1

[Event "Dieren op"]
[Site "Dieren"]
[Date "2011.07.19"]
[Round "1"]
[White "Van der Poel, Henk"]
[Black "Oudshoorn, Arres"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2292"]
[BlackElo "2007"]
[PlyCount "67"]
[EventDate "2011.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Qa5 9. 0-0 Qh5 10. f3 d6 11. Qd2 h6 12. Rae1 g5 13. Nde2 Qg6 14. Kh1 Be6 15. Nd4 Nxd4 16. Bxd4 Rfc8 17. Bxe6 fxe6 18. e5 Nd7 19. exd6 e5 20. Be3 exd6 21. Ne4 Rc6 22. Rd1 Nf6 23. Nxf6+ Qxf6 24. Qd5+ Qf7 25. c3 Qxd5 26. Rxd5 a6 27. Rfd1 Bf8 28. Kg1 Kf7 29. Kf2 Be7 30. a4 Ke6 31. Ke2 Rc4 32. a5 Rac8 33. Bb6 Ra4 34. R1d2 1/2-1/2

[Event "Leiden Noteboom Memorial 71st"]
[Site "Leiden"]
[Date "2011.03.05"]
[Round "4"]
[White "Becker, Andre"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2194"]
[BlackElo "2007"]
[PlyCount "67"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 141 Extra"]
[Source "ChessBase"]
[SourceDate "2011.05.03"]
[SourceVersion "1"]
[SourceVersionDate "2011.05.03"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 0-0 5. g3 c6 6. Bg2 d6 7. 0-0 Nbd7 8. e4 e5 9. h3 Qc7 10. Be3 Rd8 11. Rc1 a6 12. Qe2 exd4 13. Nxd4 Nf8 14. Rfd1 Ne6 15. Nxe6 Bxe6 16. Nd5 Bxd5 17. cxd5 c5 18. e5 dxe5 19. Bxc5 Qa5 20. Be7 Rd7 21. b4 Qb6 22. d6 Ne8 23. Qg4 Rxd6 24. Bxd6 Nxd6 25. Qd7 Rd8 26. Qc7 Qxc7 27. Rxc7 Bf8 28. a4 Rb8 29. Rd7 Nc4 30. Rxb7 Rxb7 31. Bxb7 Bxb4 32. Bxa6 Nb2 33. Rb1 Bc3 34. Bb5 1-0

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.14"]
[Round "9"]
[White "Rauw, Gert Jan"]
[Black "Oudshoorn, Arres"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "2074"]
[BlackElo "1974"]
[PlyCount "113"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f4 0-0 8. e5 Ne8 9. Qf3 Nc7 10. 0-0-0 a6 11. Nd5 Nxd5 12. Qxd5 Qc7 13. h4 Rd8 14. h5 Nxd4 15. Qxd4 d5 16. hxg6 hxg6 17. Qb6 Qxb6 18. Bxb6 Rd7 19. Rh3 f6 20. Re1 g5 21. Bd3 gxf4 22. Bf5 fxe5 23. Bxd7 Bxd7 24. Rh5 Rc8 25. Bf2 Kf7 26. c3 Rg8 27. Bc5 Bf6 28. Rh7+ Ke6 29. Rh2 Bg5 30. Kd1 Kf6 31. Ke2 Bf5 32. Kf2 Rd8 33. Rh5 Rg8 34. Rh2 Be4 35. a4 b6 36. Ba3 Kf5 37. Rg1 Kg4 38. g3 f3 39. b4 Rc8 40. Bb2 d4 41. Re1 Be3+ 42. Rxe3 dxe3+ 43. Kxe3 Kxg3 44. Rh1 Bd5 45. Rg1+ Kh3 46. Rd1 e6 47. Kf2 Kg4 48. Ke3 Rc4 49. Rg1+ Kf5 50. Rf1 Rg4 51. Bc1 Rg2 52. Rf2 Rxf2 53. Kxf2 Ke4 54. b5 axb5 55. axb5 Kd3 56. Be3 Kxc3 57. Bxb6 1/2-1/2

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.13"]
[Round "8"]
[White "Oudshoorn, Arres"]
[Black "Klepke, Ricardo"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "1974"]
[BlackElo "2019"]
[PlyCount "44"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Rd1+ Ke8 10. Nc3 Ne7 11. Bg5 h6 12. Be3 Ng6 13. h3 Be7 14. a3 Be6 15. b3 a6 16. Nd4 Rd8 17. Nxe6 Rxd1+ 18. Rxd1 fxe6 19. f4 Bxa3 20. Ne4 Be7 21. c3 Rf8 22. g3 Rf7 1/2-1/2

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.12"]
[Round "6"]
[White "De Vries, Joel"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1807"]
[BlackElo "1974"]
[PlyCount "44"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 Nc6 3. f4 Nf6 4. e3 g6 5. Nf3 a6 6. c4 Bg7 7. cxd5 Qxd5 8. Nc3 Qd6 9. Ne4 Qd8 10. Nxf6+ Bxf6 11. Ne5 Qd5 12. Qf3 Qxf3 13. gxf3 g5 14. Bc4 gxf4 15. Bxf7+ Kf8 16. exf4 Bxe5 17. fxe5 Kxf7 18. e6+ Bxe6 19. Bxh8 Rxh8 20. 0-0-0 Rd8 21. Rhe1 Nb4 22. Re4 Nd3+ 0-1

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.12"]
[Round "7"]
[White "Oudshoorn, Arres"]
[Black "Nicolai, Amir"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "1974"]
[BlackElo "1886"]
[PlyCount "90"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. Nxe5 Be7 8. Nd2 Be6 9. b3 Nf5 10. c3 c5 11. Qf3 cxd4 12. Qxb7 dxc3 13. Nc6 Qc8 14. Qxc8+ Bxc8 15. Ne4 Bd6 16. Nxc3 Kd7 17. g4 Kxc6 18. gxf5 Bxf5 19. Be3 a6 20. Rad1 Rhe8 21. Nd5 Re4 22. f3 Re5 23. Rd4 Ba3 24. Rfd1 Kb7 25. Bf4 Re2 26. Nxc7 Rc8 27. Nxa6 Rxa2 28. Ra4 Ra8 29. Rd5 Be6 30. Rda5 Rd8 31. Rb4+ Bxb4 32. Rxa2 Be7 33. Nc7 Bh3 34. Kf2 Bh4+ 35. Bg3 Bf6 36. Nb5 Kc6 37. Na3 Rd3 38. Nc4 Kc5 39. Rc2 Kb4 40. Nd2 Rc3 41. Bd6+ Kb5 42. Rxc3 Bxc3 43. Ne4 Bd4+ 44. Ke2 Be6 45. Kd3 Bb6 1/2-1/2

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.11"]
[Round "5"]
[White "Oudshoorn, Arres"]
[Black "Van Ginneken, Maikel"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "1974"]
[BlackElo "1316"]
[PlyCount "51"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 Nge7 5. c3 d5 6. exd5 Qxd5 7. c4 Qd8 8. Nxe5 a6 9. Bxc6+ Nxc6 10. Qh5 Nxe5 11. Qxe5+ Qe7 12. Qxg7 Qf8 13. Qxf8+ Rxf8 14. Nc3 Rg8 15. d3 Bh3 16. Re1+ Kd7 17. g3 h5 18. Nd5 Bd4 19. Be3 Bxb2 20. Rab1 Be5 21. d4 Bh8 22. Rxb7 f5 23. Bf4 Rac8 24. Re7+ Kc6 25. Rexc7+ Rxc7 26. Rxc7# 1-0

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.10"]
[Round "2"]
[White "Kampman, Tijmen"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2058"]
[BlackElo "1974"]
[PlyCount "113"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 a6 5. d3 Nf6 6. g3 d5 7. e5 Nd7 8. Bg2 b5 9. 0-0 Be7 10. Bd2 0-0 11. Kh1 f6 12. exf6 Bxf6 13. Qe2 Nb6 14. Rae1 Qc7 15. Bh3 Re8 16. f5 Nd4 17. Nxd4 cxd4 18. Nd1 e5 19. Ba5 Bb7 20. Bg2 Rac8 21. Qh5 e4 22. g4 e3 23. Re2 Rf8 24. g5 Be5 25. Qg4 Rce8 26. Bb4 Rf7 27. c3 dxc3 28. bxc3 Bxh2 29. Ba5 Bd6 30. Rxe3 Rxe3 31. Nxe3 Qc6 32. Bxb6 Qxb6 33. Nxd5 Qc5 34. Qe4 Kf8 35. f6 g6 36. Re1 Qc8 37. Qe6 Bg3 38. Qxc8+ Bxc8 39. Re2 Bh4 40. Ne7 Bd7 41. Bd5 Bxg5 42. Bxf7 Kxf7 43. Nd5 Bxf6 44. Nxf6 Kxf6 45. c4 bxc4 46. dxc4 h5 47. c5 g5 48. Rd2 Bc6+ 49. Kg1 Ke5 50. Rd6 Bb5 51. Rg6 Kf5 52. Rb6 Ke5 53. Rd6 h4 54. Rg6 Kf5 55. c6 g4 56. c7 Bd7 57. Rg8 1-0

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.10"]
[Round "3"]
[White "Oudshoorn, Arres"]
[Black "Brantjes, Yme"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1974"]
[BlackElo "1725"]
[PlyCount "59"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Ne5 11. Bb3 a6 12. h4 h5 13. Bh6 b5 14. Bxg7 Kxg7 15. Rhe1 Rc8 16. f4 Nc4 17. Bxc4 bxc4 18. e5 Ne8 19. f5 Rb8 20. e6 fxe6 21. Rxe6 Rf6 22. Qg5 Bxe6 23. Nxe6+ Rxe6 24. fxe6 Nf6 25. Nd5 Rb5 26. g4 Qa5 27. gxh5 Rxd5 28. Qxg6+ Kh8 29. Rg1 Qd2+ 30. Kb1 0-1

[Event "NED-ch op U18"]
[Site "Enschede"]
[Date "2010.08.10"]
[Round "4"]
[White "Slagter, Jonathan"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "C46"]
[WhiteElo "1400"]
[BlackElo "1974"]
[PlyCount "57"]
[EventDate "2010.08.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Qd2 d5 9. 0-0-0 dxe4 10. fxe4 Ng4 11. Nxc6 Qxd2+ 12. Bxd2 bxc6 13. Re1 Be5 14. h3 Nf6 15. Bd3 Be6 16. Kb1 c5 17. Nd5 Bxd5 18. exd5 Nd7 19. Bb5 Rab8 20. Bxd7 Bxb2 21. Re3 c4 22. a4 Bd4+ 23. Kc1 Rfd8 24. Bb5 Bxe3 25. Bxe3 Rxd5 26. Bxc4 Rd7 27. Bb5 Re7 28. Kd2 c5 29. Re1 0-1

[Event "Enschede op-A U18"]
[Site "Enschede"]
[Date "2009.08.07"]
[Round "8"]
[White "Meurs, Tom WA"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2148"]
[BlackElo "1869"]
[PlyCount "51"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Nd7 9. Qc2 g6 10. 0-0 Qc7 11. h3 Nb6 12. c4 Nd7 13. b3 c5 14. Bb2 cxd4 15. Nxd4 Be5 16. b4 Qb6 17. Nb5 Bxb2 18. Qxb2 f5 19. Rfe1 Qf6 20. Qe2 Nb6 21. Nc7 Rb8 22. c5 Na4 23. Bc4 b6 24. Nd5 Qb2 25. Bb5 Qa3 26. Qe5 1-0

[Event "Enschede op-A U18"]
[Site "Enschede"]
[Date "2009.08.05"]
[Round "4"]
[White "Oudshoorn, Arres"]
[Black "Bloemendaal, Nadia"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "1869"]
[BlackElo "1601"]
[PlyCount "59"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be3 a6 7. g4 Qc7 8. h3 Nc6 9. f4 d5 10. exd5 Nxd5 11. Nxd5 exd5 12. Qd2 Na5 13. 0-0-0 Nc4 14. Bxc4 dxc4 15. f5 h6 16. Bf4 Qb6 17. Rhe1+ Be7 18. Qe2 Qc5 19. f6 gxf6 20. Nf5 Be6 21. Ng7+ Kf8 22. Nxe6+ fxe6 23. Qxe6 Rh7 24. Rd5 Qc8 25. Bxh6+ Rxh6 26. Qxe7+ Kg8 27. Red1 Rxh3 28. Rd8+ Qxd8 29. Rxd8+ Rxd8 30. Qxd8+ 1-0

[Event "Enschede op-A U18"]
[Site "Enschede"]
[Date "2009.08.05"]
[Round "7"]
[White "Oudshoorn, Arres"]
[Black "Snijders, Jasper"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1869"]
[BlackElo "1918"]
[PlyCount "61"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 d5 7. Bg5 Bb4 8. Bd3 0-0 9. 0-0 Be6 10. Ne2 h6 11. Bh4 Bg4 12. Ne5 Bxe2 13. Qxe2 Be7 14. Bf5 g5 15. Bg3 Re8 16. f4 Nc6 17. Qf2 Rf8 18. c3 Bd6 19. Qf3 Kg7 20. h4 Ne4 21. fxg5 Nxe5 22. gxh6+ Kh8 23. dxe5 Bc5+ 24. Kh2 Nd2 25. Qh5 Nxf1+ 26. Rxf1 Qe7 27. b4 Be3 28. Bc2 Rae8 29. Rf6 Qd7 30. Qf3 Re6 31. Qf5 1-0

[Event "Enschede op-A U18"]
[Site "Enschede"]
[Date "2009.08.05"]
[Round "6"]
[White "Roorda, Thijs"]
[Black "Oudshoorn, Arres"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "1939"]
[BlackElo "1869"]
[PlyCount "39"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5 gxf5 10. exf5 d5 11. Qf3 d4 12. 0-0-0 Nbd7 13. Bd2 Qc7 14. gxf6 dxc3 15. Bxc3 Qc6 16. Qg3 Bh6+ 17. Kb1 Bf4 18. Qd3 Qb6 19. Qf3 Qe6 20. Qd3 1/2-1/2

[Event "Enschede op-A U18"]
[Site "Enschede"]
[Date "2009.08.04"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Bekker, Stefan"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1869"]
[BlackElo "2054"]
[PlyCount "124"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Qc7 8. Qd2 b5 9. f3 Bb7 10. Nb3 Nc6 11. 0-0-0 Be7 12. g4 Rc8 13. Bxb5 axb5 14. Nxb5 Qb8 15. Bf4 Ne5 16. Na5 Bxe4 17. Nxd6+ Bxd6 18. fxe4 Bb4 19. Qd4 Nd3+ 20. Rxd3 Qxf4+ 21. Kb1 Bxa5 22. Qa4+ Kf8 23. Qxa5 g6 24. g5 Nxe4 25. Rd4 Qf5 26. Qb4+ Nc5 27. h4 Kg7 28. Rf4 Qe5 29. Rhf1 Rhf8 30. Qd4 Qxd4 31. Rxd4 e5 32. Rd5 Rfe8 33. b4 Na4 34. Rd7 Rf8 35. Ra7 Nc3+ 36. Kb2 Nd5 37. b5 e4 38. Rd7 Nc3 39. Re7 Nxb5 40. Rxe4 Nd6 41. Rb4 h6 42. Rf6 Rb8 43. a3 Ne4 44. Rf4 Nc5 45. gxh6+ Kxh6 46. Ka2 Kg7 47. Rbc4 Ne6 48. Rfe4 g5 49. hxg5 Nxg5 50. Re5 f6 51. Rf5 Kg6 52. Rcc5 Rb6 53. a4 Rfb8 54. Rb5 Ne4 55. Rxb6 Nc3+ 56. Ka3 Rxb6 57. a5 Rb1 58. Rf3 Ne4 59. Ka2 Rb7 60. c4 f5 61. Rb3 Ra7 62. Rb5 Nc3+ 0-1

[Event "Enschede op-A U18"]
[Site "Enschede"]
[Date "2009.08.03"]
[Round "1"]
[White "Van Ee, Winston"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1330"]
[BlackElo "1869"]
[PlyCount "68"]
[EventDate "2009.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. Bc4 Bg7 5. d3 d6 6. Be3 Nf6 7. Qd2 Ng4 8. 0-0-0 Nxe3 9. fxe3 0-0 10. h4 h5 11. Nh2 Ne5 12. Bb3 Bg4 13. Rdf1 e6 14. d4 c4 15. Ba4 Nc6 16. Bxc6 bxc6 17. Nxg4 hxg4 18. Nd1 f5 19. exf5 gxf5 20. Qe2 d5 21. c3 Bh6 22. Kc2 Qa5 23. Kb1 Qc7 24. Rfg1 Qg3 25. Re1 a5 26. Nf2 Rf7 27. e4 dxe4 28. Nxe4 fxe4 29. Qxe4 Qd3+ 30. Qxd3 cxd3 31. Rxe6 Raf8 32. Ree1 Rf2 33. g3 Re2 34. c4 Rff2 0-1

[Event "Leiden LCT op 3rd"]
[Site "Leiden"]
[Date "2009.07.17"]
[Round "7"]
[White "Beeren, Thom"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "65"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. Bb3 Ng4 9. Qxg4 Nxd4 10. Qd1 Ne6 11. Qd2 Re8 12. h4 Qa5 13. 0-0-0 Nc5 14. Bxf7+ Kxf7 15. Qd5+ e6 16. Qxc5 Qxc5 17. Bxc5 Bxc3 18. bxc3 Rd8 19. Bd6 a5 20. h5 g5 21. Rd3 Ra6 22. Rf3+ Kg8 23. e5 h6 24. Rf6 Kg7 25. Rh3 b5 26. Rhf3 Bb7 27. Rg6+ Kh8 28. Rxh6+ Kg7 29. Rg6+ Kh8 30. Rf7 Be4 31. Rxg5 Rc6 32. Be7 Rxc3 33. Bf6# 1-0

[Event "Leiden LCT op 3rd"]
[Site "Leiden"]
[Date "2009.07.16"]
[Round "6"]
[White "Oudshoorn, Arres"]
[Black "Manoch, Maurice"]
[Result "1-0"]
[ECO "C14"]
[PlyCount "83"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f4 a6 8. Na4 b5 9. Nc3 c5 10. Nf3 Nc6 11. Qd2 Bb7 12. Ne2 Nb6 13. c3 Nc4 14. Qc1 cxd4 15. Nexd4 Nxd4 16. Nxd4 Rc8 17. a3 g5 18. Bxc4 dxc4 19. Rg1 Rg8 20. g3 Rc5 21. Qe3 gxf4 22. gxf4 Qh4+ 23. Kf1 Rxg1+ 24. Kxg1 Qg4+ 25. Qg3 Qg6 26. Kf2 Qxg3+ 27. Kxg3 Be4 28. a4 bxa4 29. Rxa4 a5 30. Kg4 Ke7 31. Ra1 f6 32. Re1 f5+ 33. Kh5 Rc8 34. Rg1 Bd5 35. Rg7+ Kf8 36. Rxh7 Kg8 37. Kg6 Rb8 38. Rc7 Kf8 39. Kf6 Kg8 40. Nxe6 Rxb2 41. Rc8+ Kh7 42. Ng5+ 1-0

[Event "Leiden LCT op 3rd"]
[Site "Leiden"]
[Date "2009.07.14"]
[Round "5"]
[White "Aalders, Peter"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "110"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. d4 c6 4. e4 d6 5. Nc3 Nf6 6. Be2 Nbd7 7. 0-0 0-0 8. Be3 a6 9. Qc2 b5 10. a3 Nb6 11. cxb5 cxb5 12. d5 Bb7 13. Bd4 Rc8 14. Qb3 Nbd7 15. a4 b4 16. Qxb4 Qc7 17. Rfc1 a5 18. Qa3 Nc5 19. Nd2 Bh6 20. Nb5 Qb6 21. Be3 Bxe3 22. Qxe3 Nfd7 23. Nc4 Qd8 24. Bg4 Rb8 25. Bxd7 Qxd7 26. Nxa5 Nxa4 27. Nc6 Ra8 28. b4 Rfc8 29. Nbd4 e5 30. dxe6 fxe6 31. b5 Nc5 32. e5 dxe5 33. Rxa8 Rxa8 34. Nxe5 Qd5 35. Ndf3 Nb3 36. Re1 Qxb5 37. Ng4 Bd5 38. Nf6+ Kf7 39. Nxd5 Qxd5 40. Qh6 Kg8 41. Ng5 Ra7 42. h4 Nd4 43. Rb1 Qa8 44. Ne4 Ra1 45. Rxa1 Qxa1+ 46. Kh2 Ne2 47. Kh3 Qh1+ 48. Kg4 Qxg2+ 49. Ng3 Nxg3 50. fxg3 Qf1 51. Qg5 Qf5+ 52. Qxf5 exf5+ 53. Kg5 Kg7 54. g4 fxg4 55. Kxg4 Kf6 0-1

[Event "Leiden LCT op 3rd"]
[Site "Leiden"]
[Date "2009.07.12"]
[Round "3"]
[White "Anink, Marco"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "A81"]
[PlyCount "116"]
[EventDate "2009.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 d5 4. h4 e6 5. Nh3 c5 6. e3 Nc6 7. 0-0 Qb6 8. c3 Bd6 9. dxc5 Bxc5 10. b4 Be7 11. a4 0-0 12. Nd2 a5 13. b5 Ne5 14. Ba3 Bxa3 15. Rxa3 Qc5 16. Qb3 Bd7 17. Rc1 Rac8 18. Bf1 Ne4 19. Nxe4 fxe4 20. Nf4 Nc4 21. Ra2 Nxe3 22. Bh3 Nf5 23. c4 Rfe8 24. Bxf5 exf5 25. Nxd5 Be6 26. Rac2 Red8 27. Nf4 Bf7 28. Qc3 b6 29. Rd2 g6 30. h5 Rxd2 31. Qxd2 g5 32. Nh3 h6 33. Qb2 Rd8 34. Nxg5 hxg5 35. Qf6 Rd6 36. Qxg5+ Kh7 37. Kg2 Qe5 38. Rh1 e3 39. fxe3 Rd2+ 40. Kh3 Qe4 41. Rg1 Qf3 42. e4 Qxh5+ 43. Qxh5+ Bxh5 44. exf5 Be2 45. Rc1 Bd3 46. g4 Rc2 47. Rd1 Rc3 48. Kh4 Kh6 49. c5 bxc5 50. b6 Rb3 51. b7 c4 52. Re1 Rxb7 53. Re5 c3 54. g5+ Kg7 55. Kh5 c2 56. Rc5 Be2+ 57. Kh4 Rb4+ 58. Kg3 Rc4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.07.01"]
[Round "7"]
[White "Coene, Igor"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2173"]
[BlackElo "1815"]
[PlyCount "59"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. e4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 Be7 10. Nc4 Be6 11. Bxf6 gxf6 12. Nd5 b5 13. Nce3 Rb8 14. c3 Qd7 15. Bd3 Na7 16. 0-0 Nc8 17. a4 Nb6 18. Nb4 Nxa4 19. Nxa6 Rb7 20. Qd2 Bd8 21. Nb4 Nc5 22. Ra8 Nxd3 23. Qxd3 0-0 24. Nbd5 Be7 25. Rfa1 Rxa8 26. Rxa8+ Kg7 27. Nf5+ Bxf5 28. exf5 Ra7 29. Qg3+ Kh6 30. Qe3+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.24"]
[Round "6"]
[White "Oudshoorn, Arres"]
[Black "Van Kempen, Roderick"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1815"]
[BlackElo "1926"]
[PlyCount "44"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. f3 d5 3. d4 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Qb6 7. Nf3 Nc6 8. Na3 cxd4 9. cxd4 Bb4+ 10. Bd2 Nxd4 11. Nxd4 Qxd4 12. Nb5 Bxd2+ 13. Qxd2 Qxd2+ 14. Kxd2 0-0 15. Rc1 a6 16. Nd6 f6 17. Rc7 Rd8 18. g3 b5 19. Bh3 Nf8 20. Rhc1 Bd7 21. Rb7 f5 22. Rcc7 Bc8 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.17"]
[Round "5"]
[White "Oudshoorn, Arres"]
[Black "De Leur, Ben"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1815"]
[BlackElo "2000"]
[PlyCount "132"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. Bd3 Nc6 4. Bc2 d5 5. exd5 Nxd5 6. Nf3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Nxc6 bxc6 10. 0-0 0-0 11. Bg5 f6 12. Bh4 Kh8 13. Nd2 e5 14. Rb1 a5 15. f3 Ne3 16. Qc1 Nxf1 17. Nxf1 Ba6 18. Ne3 Bd3 19. Ng4 Bxc2 20. Qxc2 Qd5 21. b3 Rad8 22. Ne3 Qd2 23. Qxd2 Rxd2 24. a4 Rfd8 25. Nc4 Rc2 26. Nxe5 Rdd2 27. Ng4 Rxg2+ 28. Kf1 f5 29. Bf2 fxg4 30. Kxg2 Bxc3 31. Kg3 Be5+ 32. f4 Bxf4+ 33. Kxf4 Rxf2+ 34. Kg3 Rc2 35. b4 Rc3+ 36. Kxg4 Rc4+ 37. Kf3 axb4 38. Ke3 c5 39. Kd2 b3 40. Rxb3 Rxa4 41. Rb5 Ra2+ 42. Kd3 Rxh2 43. Rxc5 Kg7 44. Ke3 Rh4 45. Kf3 h5 46. Kg2 Ra4 47. Rb5 Ra3 48. Kh2 Kh6 49. Kg2 h4 50. Kh2 g5 51. Rb4 Kh5 52. Rb8 Ra4 53. Rb3 Kg4 54. Kg2 Ra2+ 55. Kh1 h3 56. Kg1 Kh4 57. Rb4+ g4 58. Kh1 Rf2 59. Kg1 Re2 60. Rb3 Kg5 61. Rb5+ Kf4 62. Rb4+ Kf3 63. Rb3+ Re3 64. Rb8 Re1+ 65. Kh2 g3+ 66. Kxh3 Rh1# 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.10"]
[Round "4"]
[White "Siero, Paul"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1210"]
[BlackElo "1815"]
[PlyCount "78"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Nf6 6. Nc3 Bg7 7. Be2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. Qd2 Nxe3 12. Qxe3 Qb6 13. Qxb6 axb6 14. Nd1 Rd8 15. c3 Be6 16. a3 Rd2 17. Bf3 Rc8 18. a4 Bb3 19. a5 bxa5 20. Rxa5 e5 21. Rc5 e4 22. Bxe4 Rxd1 23. g3 Kf8 24. Rxc6 Rxc6 25. Bxc6 Rxf1+ 26. Kxf1 Ke7 27. Ke2 Kd6 28. Bb7 Kc5 29. Kd2 Bh6+ 30. Kd3 Bc1 31. f4 Bxb2 32. g4 Bc1 33. f5 Bd5 34. fxg6 hxg6 35. Bc8 g5 36. Bf5 Bf4 37. h3 Bg2 38. Be4 Bxh3 39. Bf3 Bf1+ 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.06.03"]
[Round "3"]
[White "Oudshoorn, Arres"]
[Black "Hellenberg, Jan Amerik"]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "1815"]
[BlackElo "1953"]
[PlyCount "54"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. f3 d5 3. g3 c5 4. Ne2 Nc6 5. c3 dxe4 6. fxe4 Qd3 7. Bg2 e5 8. h3 Nf6 9. 0-0 Be6 10. Rf3 Qd7 11. d3 Bxh3 12. Bxh3 Qxh3 13. Bg5 Ng4 14. Qb3 Qh2+ 15. Kf1 Qh1+ 16. Ng1 Nh2+ 17. Kf2 Nxf3 18. Qxb7 Qxg1+ 19. Kxf3 Qh1+ 20. Kf2 Qh2+ 21. Kf3 Qh5+ 22. Kg2 Qxg5 23. Qxc6+ Ke7 24. Qxa8 Qe3 25. Qb7+ Kf6 26. Na3 Qe2+ 27. Kg1 Qe3+ 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.27"]
[Round "2"]
[White "Van Gunsteren, Duleen"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "1815"]
[PlyCount "47"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 d6 4. Be2 Nf6 5. d3 e6 6. 0-0 Be7 7. h3 a6 8. Be3 b5 9. a3 Bb7 10. Nbd2 Qd7 11. c3 d5 12. e5 Ng8 13. b4 cxb4 14. axb4 d4 15. Nxd4 Nxd4 16. Bxd4 Bxb4 17. cxb4 Qxd4+ 18. Kh1 Ne7 19. Qb3 Nf5 20. Kh2 Ne3 21. Ne4 Nxf1+ 22. Bxf1 Bxe4 23. dxe4 0-0 24. Rd1 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2008.05.20"]
[Round "1"]
[White "Oudshoorn, Arres"]
[Black "Van den Berg, Ad"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "1815"]
[BlackElo "2194"]
[PlyCount "66"]
[EventDate "2008.05.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 Ne6 10. Be2 Bxc3+ 11. bxc3 b6 12. 0-0 Bb7 13. Qc2 Qc7 14. f4 Qc6 15. f5 gxf5 16. Bf3 fxe4 17. Bh5 Rf8 18. Bh6 Qc5+ 19. Qf2 Qxh5 20. Bxf8 Nxf8 21. Rab1 Bc6 22. Kh1 Ne6 23. Rb2 f6 24. Qe3 Qc5 25. Qg3 0-0-0 26. Rb4 Qg5 27. Qf2 Rg8 28. Qe2 Nf4 29. Rxf4 Qxf4 30. h3 Qc1+ 31. Kh2 Qxc3 32. Rb3 Qe5+ 33. Kh1 e3 0-1

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.11"]
[Round "9"]
[White "Goossens, Hanne"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1788"]
[BlackElo "1791"]
[PlyCount "25"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Na5 9. e5 Ne8 10. Bxf7+ Kh8 11. Ne6 Rxf7 12. Nxd8 Rf8 13. Qd5 1-0

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.10"]
[Round "8"]
[White "Oudshoorn, Arres"]
[Black "Bloemendaal, Nadia"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1791"]
[BlackElo "1557"]
[PlyCount "137"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. c4 e6 6. Nc3 Nf6 7. Be3 Be7 8. Be2 Bd7 9. 0-0 0-0 10. Qd2 a6 11. Rfd1 Qc7 12. Rac1 Rfd8 13. Nb3 Ne5 14. f3 Bc6 15. Qe1 b6 16. Qf2 Nfd7 17. Nd4 h6 18. Qg3 Ng6 19. f4 Kh7 20. Bd3 Nc5 21. Bc2 Bf6 22. Qf2 Bxd4 23. Bxd4 Qb7 24. f5 Nf8 25. Qh4 e5 26. Bxe5 Qc7 27. Bf4 b5 28. b4 Nb7 29. c5 Qb8 30. cxd6 Nxd6 31. e5 Ne8 32. f6+ Kg8 33. fxg7 Nxg7 34. Qg3 Qb6+ 35. Be3 Qc7 36. Bxh6 Nfe6 37. Nd5 Qa7+ 38. Be3 Qb7 39. Nf6+ Kf8 40. Bh6 Rxd1+ 41. Rxd1 Qb6+ 42. Be3 Qc7 43. Bb3 Rd8 44. Rxd8+ Qxd8 45. Bh6 Qd4+ 46. Qe3 Qa1+ 47. Kf2 Qb2+ 48. Qd2 Qxe5 49. Ng4 Qf5+ 50. Kg3 Ke7 51. Bxg7 Nxg7 52. Qe3+ Kf8 53. Qc5+ Qxc5 54. bxc5 Nh5+ 55. Kh4 Nf4 56. Ne5 Nxg2+ 57. Kg3 Ba8 58. c6 Ne3 59. c7 Nf5+ 60. Kf4 Nd6 61. Nxf7 Nc8 62. Be6 Ne7 63. Nd6 Bd5 64. Ke5 Bxe6 65. Kxe6 b4 66. Kd7 a5 67. Nc4 a4 68. Nd2 Nd5 69. c8Q+ 1-0

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.09"]
[Round "6"]
[White "Oudshoorn, Arres"]
[Black "Taushanov, Mihail"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1791"]
[BlackElo "1771"]
[PlyCount "70"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. 0-0 Qc7 9. Bb3 Nxd4 10. Bxd4 d6 11. f3 Bd7 12. Qd2 a5 13. a4 Be6 14. g4 Qd7 15. h4 h5 16. Qg5 Kh7 17. gxh5 Nxh5 18. Bxg7 Kxg7 19. Kh2 Rh8 20. Rad1 Qc7 21. Nd5 Bxd5 22. Qxd5 Raf8 23. Rg1 Nf6 24. Qg5 Rh5 25. Qg3 Rfh8 26. Kg2 Rxh4 27. Rh1 Rxh1 28. Rxh1 Nh5 29. Qg4 d5 30. Rf1 Nf4+ 31. Kf2 Rh2+ 32. Ke1 Nd3+ 33. Kd1 Nxb2+ 34. Ke1 Nd3+ 35. Kd1 Qc3 0-1

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.08"]
[Round "5"]
[White "Severijnen, Marion"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1511"]
[BlackElo "1791"]
[PlyCount "36"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bb5 0-0 8. 0-0 Ne5 9. f4 Neg4 10. Bd2 Qb6 11. Bc1 d6 12. Re1 e5 13. Nd5 Qxd4+ 14. Qxd4 exd4 15. h3 Ne3 16. Bxe3 dxe3 17. Rxe3 Nh5 18. Rf1 Bd4 0-1

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.08"]
[Round "4"]
[White "Van Cappellen, Jonas"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1616"]
[BlackElo "1791"]
[PlyCount "67"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 Bg7 4. f4 d6 5. Nf3 0-0 6. Bd3 c5 7. dxc5 dxc5 8. e5 Nd5 9. Ne4 Qb6 10. Qe2 Bg4 11. h3 Bxf3 12. Qxf3 Nc6 13. c3 Rac8 14. Bc4 Nc7 15. a4 Na5 16. Ba2 Ne6 17. Qf2 Qc6 18. Qc2 Rfd8 19. 0-0 c4 20. Be3 a6 21. Rae1 Rd7 22. f5 Nc7 23. e6 fxe6 24. fxg6 hxg6 25. Ng5 Rd3 26. Qf2 Bf6 27. Qh4 Bxg5 28. Qxg5 Qe8 29. Qxa5 Nd5 30. Bd4 Rc6 31. Rxe6 Nf6 32. Qe5 Rxd4 33. cxd4 Qd8 34. Rxc6 1-0

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.07"]
[Round "2"]
[White "Hortensius, Lisa"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1984"]
[BlackElo "1791"]
[PlyCount "114"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Na5 9. f3 Nxb3 10. Nxb3 d6 11. Qd2 Bd7 12. Bh6 Rc8 13. 0-0-0 b5 14. Bxg7 Kxg7 15. g4 b4 16. Nd5 Nxd5 17. exd5 a5 18. h4 h6 19. f4 Bxg4 20. Rdg1 h5 21. f5 Bxf5 22. Nd4 Qd7 23. Rg5 Bg4 24. Rg1 f6 25. Ne6+ Bxe6 26. dxe6 Qe8 27. Rxg6+ Qxg6 28. Rxg6+ Kxg6 29. Qg2+ Kf5 30. Qd5+ Kg4 31. Qe4+ Kg3 32. Qe1+ Kf4 33. Kd2 Rc5 34. Qe3+ Kf5 35. Qh3+ Ke5 36. Kd3 Rd5+ 37. Ke2 Rd4 38. Ke3 Re4+ 39. Kd3 f5 40. Qg3+ Kd5 41. Qg7 Rf6 42. c4+ bxc3 43. bxc3 Kxe6 44. Qg5 Rg4 45. Qxh5 Rgg6 46. Qe2+ Kf7 47. Kc2 f4 48. h5 Rh6 49. Qc4+ Kg7 50. Qc7 Rf7 51. Qxa5 f3 52. Qg5+ Kh7 53. Qd5 Rhf6 54. Qd3+ Rf5 55. Qf1 f2 56. h6 Kh8 57. c4 Re5 0-1

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.07"]
[Round "3"]
[White "Oudshoorn, Arres"]
[Black "Obels, Jiri"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1791"]
[BlackElo "1945"]
[PlyCount "46"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 cxd4 7. cxd4 Qb6 8. Bc2 f6 9. 0-0 Be7 10. Nc3 Nh6 11. Re1 0-0-0 12. a3 Nf5 13. Na4 Qc7 14. b4 Nfxd4 15. Nxd4 Nxd4 16. Qxd4 Qxc2 17. Qxa7 Qxa4 18. Be3 Qxa7 19. Bxa7 Ba4 20. Bb6 Rd7 21. Rac1+ Kb8 22. exf6 Bxf6 23. Rxe6 d4 0-1

[Event "Twente Young Master op-B"]
[Site "Twente"]
[Date "2007.08.06"]
[Round "1"]
[White "Oudshoorn, Arres"]
[Black "De Gouw, Lex"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1791"]
[BlackElo "1372"]
[PlyCount "41"]
[EventDate "2007.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 dxc3 6. Bxf7+ Kf8 7. Nxc3 d6 8. Bc4 Bg4 9. 0-0 Ne5 10. Be2 Nf6 11. Ng5 h6 12. Nf3 Bb4 13. Nxe5 Bxe2 14. Ng6+ Kg8 15. Qxe2 Rh7 16. Qc4+ d5 17. Qxb4 Qe8 18. Ne7+ Kf7 19. Nexd5 b6 20. Nxc7 a5 21. Qc4+ 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.26"]
[Round "7"]
[White "Landheer, Ronald"]
[Black "Oudshoorn, Arres"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "1701"]
[BlackElo "1767"]
[PlyCount "118"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 0-0 5. Nf3 d6 6. d3 Nc6 7. 0-0 Bf5 8. a3 e4 9. Nh4 Bg6 10. Nxg6 fxg6 11. Bxe4 Nxe4 12. Nxe4 Bb6 13. Bd2 d5 14. cxd5 Qxd5 15. Bc3 Rae8 16. b4 Ne5 17. Bxe5 Qxe5 18. Qb3+ Kh8 19. e3 h5 20. Rae1 g5 21. Nd2 h4 22. Nc4 Qd5 23. Qd1 Rf3 24. Nxb6 axb6 25. d4 Qe4 26. Qb1 Qg4 27. Qc2 c6 28. a4 Qd7 29. Qg6 Rf5 30. e4 Rf6 31. Qxg5 Rh6 32. Qe3 Qh3 33. Qf3 Kg8 34. e5 Rf8 35. Qg2 Qd7 36. e6 Rxe6 37. Qh3 Rd6 38. Qxd7 Rxd7 39. Re4 hxg3 40. fxg3 Rfd8 41. Rff4 Ra8 42. a5 bxa5 43. bxa5 Rxa5 44. Re8+ Kh7 45. Kf2 Ra2+ 46. Re2 Ra4 47. Rh4+ Kg6 48. Ree4 Rf7+ 49. Ref4 Ra2+ 50. Kf3 Rxf4+ 51. Kxf4 b5 52. Rh8 Rc2 53. Ke5 Rc4 54. h4 Rc3 55. g4 Rg3 56. g5 Rc3 57. Kf4 Rc4 58. h5+ Kf7 59. Ke5 Rc1 1/2-1/2

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.19"]
[Round "6"]
[White "Oudshoorn, Arres"]
[Black "De Leur, Ben"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "1767"]
[BlackElo "2052"]
[PlyCount "98"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. 0-0-0 Nc6 10. Nb5 0-0 11. Qg3 d6 12. Bg5 a6 13. Nc3 Qa5 14. Kb1 Bxc3 15. Qxc3 Qxc3 16. bxc3 Be6 17. Be3 Rfc8 18. c5 dxc5 19. Bxc5 b6 20. Bd4 Nxd4 21. cxd4 Bc4 22. Rd2 Rc7 23. Bxc4 Rxc4 24. Rc1 Rac8 25. Rxc4 Rxc4 26. Kb2 Kf8 27. f3 Ke8 28. d5 Kd7 29. Rc2 Rxc2+ 30. Kxc2 Kd6 31. Kc3 Kc5 32. a3 b5 33. Kb3 a5 34. Kc3 h6 35. h3 f6 36. Kd3 g5 37. Kc3 h5 38. g3 h4 39. gxh4 gxh4 40. Kd3 b4 41. axb4+ Kxb4 42. e5 fxe5 43. Ke4 a4 44. Kxe5 Kc5 45. Ke6 a3 46. Kxe7 Kxd5 47. Kf6 a2 48. Kg5 a1Q 49. Kxh4 Qg1 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.12"]
[Round "5"]
[White "Hellenberg, Jan Amerik"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1921"]
[BlackElo "1767"]
[PlyCount "64"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 e5 6. Nge2 d6 7. 0-0 Nc6 8. d3 Nd7 9. f4 f5 10. exf5 Rxf5 11. Be4 Rf8 12. Nd5 Nc5 13. Bg2 Bf5 14. Be3 Nxd3 15. g4 Nxb2 16. Qb3 exf4 17. gxf5 fxe3 18. f6 Rxf6 19. Qxb7 Rxf1+ 20. Rxf1 Nd4 21. Nxd4 Bxd4 22. Ne7+ Kh8 23. Qe4 c5 24. Kh1 d5 25. Qe6 Qb6 26. Qxd5 Rd8 27. Qg5 Re8 28. Nd5 Qd8 29. Qg4 e2 30. Re1 Nd3 31. Rxe2 Nf2+ 32. Rxf2 Bxf2 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.06.05"]
[Round "4"]
[White "Oudshoorn, Arres"]
[Black "Kriek, F."]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1767"]
[BlackElo "1393"]
[PlyCount "79"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. c4 d6 4. d3 Be7 5. Be2 0-0 6. 0-0 b6 7. Nc3 Bb7 8. Ne1 a6 9. f4 Nbd7 10. f5 c6 11. Bf3 Qc8 12. g4 Kh8 13. g5 Ng8 14. Nc2 b5 15. Bg4 Qd8 16. h4 bxc4 17. dxc4 Nb6 18. Ne3 d5 19. cxd5 cxd5 20. Nexd5 Nxd5 21. Nxd5 Bxd5 22. Qxd5 Qb6+ 23. Kg2 Rad8 24. Qxe5 Bd6 25. Qc3 Rc8 26. Qb3 Qc7 27. f6 Rb8 28. fxg7+ Kxg7 29. Qc3+ Be5 30. Qxc7 Bxc7 31. b3 Be5 32. Rb1 Rbc8 33. Bxc8 Rxc8 34. Bb2 Rc2+ 35. Rf2 Rxf2+ 36. Kxf2 Bxb2 37. Rxb2 Kg6 38. Rc2 Ne7 39. Kg3 Kh5 40. Rc7 1-0

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.29"]
[Round "3"]
[White "Zwaan, Gert Jan"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B71"]
[WhiteElo "1511"]
[BlackElo "1767"]
[PlyCount "64"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Bg7 7. e5 dxe5 8. fxe5 Nfd7 9. e6 Ne5 10. Bb5+ Nbc6 11. Bxc6+ bxc6 12. exf7+ Nxf7 13. Be3 Bd7 14. 0-0 0-0 15. Qd2 Qc7 16. Nf3 Ne5 17. Bf4 Nxf3+ 18. Rxf3 Qb6+ 19. Kh1 Bg4 20. Rff1 Qxb2 21. Ne4 Rad8 22. Qe1 Qxc2 23. Rc1 Qe2 24. Qxe2 Bxe2 25. Rf2 Bc4 26. Be3 Rxf2 27. Bxf2 Bxa2 28. Bxa7 Bd5 29. Ng5 Bh6 30. h4 Ra8 31. Bc5 Ra4 32. Nf3 Bxc1 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.22"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Faydi, Jonathan J"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1767"]
[BlackElo "1993"]
[PlyCount "110"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Nge2 b6 6. Be3 Bb7 7. f3 d5 8. Bb5+ c6 9. Ba4 b5 10. Bb3 b4 11. Na4 dxe4 12. fxe4 Nxe4 13. Qd3 Nd6 14. Nc5 Bc8 15. 0-0-0 Bf5 16. Qd2 a5 17. Ng3 Nd7 18. Qe2 0-0 19. Qf3 Nb6 20. Na4 Rc8 21. Nxf5 Nxf5 22. Bf2 Nxa4 23. Bxa4 Qd5 24. Qxd5 cxd5 25. Bb3 e6 26. a3 Bh6+ 27. Kb1 Be3 28. Rhf1 Bxf2 29. Rxf2 bxa3 30. bxa3 Ne3 31. Re1 Nc4 32. Ka2 Nd6 33. Rf3 Ne4 34. Rd3 Rc7 35. Ree3 Rfc8 36. Kb2 Rb8 37. a4 Nd6 38. Ka2 Kg7 39. Re2 Ne4 40. Ree3 f5 41. Kb2 g5 42. h3 Kf6 43. Rf3 h5 44. Kc1 g4 45. hxg4 hxg4 46. Rf1 Rh8 47. Re3 Rc3 48. Rxc3 Nxc3 49. Kd2 Ne4+ 50. Kd3 Rc8 51. c4 dxc4+ 52. Bxc4 Rxc4 53. Kxc4 Nd2+ 54. Kb5 Nxf1 55. Kxa5 f4 0-1

[Event "Leiden SB-ch"]
[Site "Leiden"]
[Date "2007.05.15"]
[Round "1"]
[White "Jap Tjoen San, Linda"]
[Black "Oudshoorn, Arres"]
[Result "1/2-1/2"]
[ECO "B70"]
[WhiteElo "2118"]
[BlackElo "1767"]
[PlyCount "123"]
[EventDate "2007.05.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 Nc6 8. Nb3 0-0 9. Bg5 Bd7 10. Kh1 Re8 11. f4 Qc8 12. Qd2 Bg4 13. Rae1 Bxe2 14. Rxe2 h6 15. Bh4 Qg4 16. Bxf6 Bxf6 17. Nd5 Qd7 18. Nxf6+ exf6 19. Rf3 Qe7 20. Rfe3 Rad8 21. Kg1 Qe6 22. f5 Qe5 23. fxg6 fxg6 24. c4 Kg7 25. Rd3 Qe6 26. Rd5 Ne5 27. Nd4 Qe7 28. b3 a6 29. a4 Nc6 30. Nf3 f5 31. Qc3+ Qf6 32. Qxf6+ Kxf6 33. Nd2 Re6 34. Rf2 Ne7 35. Rd4 Nc6 36. Rd5 Ne7 37. Rd3 Kg7 38. exf5 Nxf5 39. Nf3 Rde8 40. Rfd2 Re2 41. g4 Rxd2 42. Rxd2 Ne3 43. h3 Re6 44. Kf2 h5 45. gxh5 gxh5 46. Nd4 Re5 47. Rd3 Nf5 48. Nf3 Re6 49. a5 Rf6 50. Ke2 Ng3+ 51. Kd2 Ne4+ 52. Kc2 Nf2 53. Re3 Nxh3 54. Nh4 Nf4 55. Re7+ Rf7 56. Nf5+ Kf6 57. Rxf7+ Kxf7 58. Nxd6+ Ke7 59. Nxb7 h4 60. Nc5 h3 61. Ne4 h2 62. Ng3 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.12"]
[Round "7"]
[White "De Best, Jos"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1593"]
[BlackElo "1614"]
[PlyCount "62"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. Nc3 Bd7 5. d3 g6 6. 0-0 Bg7 7. Be3 Nf6 8. Qd2 0-0 9. h3 a6 10. Bxc6 bxc6 11. Kh1 Re8 12. Ne2 Rb8 13. c3 Qc8 14. Nh2 c4 15. Rab1 c5 16. f4 Bb5 17. g4 cxd3 18. Ng3 Qb7 19. Nf3 Bc6 20. Kg2 Nxe4 21. Qxd3 Nxg3 22. Kxg3 Be4 23. Qc4 Bxb1 24. Rxb1 Qb5 25. Qd5 Qe2 26. Bd2 Qe6 27. Qxe6 fxe6 28. Ng5 e5 29. Ne6 exf4+ 30. Nxf4 Be5 31. b3 g5 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.12"]
[Round "8"]
[White "Oudshoorn, Arres"]
[Black "Munnik, Talitha"]
[Result "1/2-1/2"]
[ECO "B54"]
[WhiteElo "1614"]
[BlackElo "1776"]
[PlyCount "41"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Ne7 8. Qd2 a6 9. a4 Nd7 10. 0-0 Ne5 11. Be2 0-0 12. Bh6 Qc7 13. Bxg7 Kxg7 14. f4 N5c6 15. Rad1 Rd8 16. h3 Qb6 17. Qe3 Qxb2 18. Nb3 Qa3 19. Ra1 Qb4 20. Na2 Qa3 21. Nc3 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.11"]
[Round "6"]
[White "Oudshoorn, Arres"]
[Black "Bloom, Jered"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1614"]
[BlackElo "1322"]
[PlyCount "103"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. Bc4 Nc6 5. 0-0 g6 6. d4 Bg7 7. c3 0-0 8. Bxd5 Qxd5 9. Bf4 Bg4 10. Bxc7 Bxf3 11. Qxf3 Qxf3 12. gxf3 Rac8 13. Bf4 e5 14. dxe5 Nxe5 15. Bxe5 Bxe5 16. Nd2 Rfd8 17. Nb3 Rd3 18. Rfe1 Bg7 19. Re3 Rd5 20. Rae1 h5 21. Re7 Rb8 22. Kf1 a5 23. Re8+ Rxe8 24. Rxe8+ Bf8 25. Ke2 a4 26. Nd4 Rd7 27. Ra8 Re7+ 28. Kd2 Kg7 29. Rxa4 Rd7 30. h3 Kf6 31. Ra7 Bh6+ 32. Kc2 Ke5 33. a4 Kf4 34. a5 Bg7 35. a6 Bxd4 36. cxd4 Rxd4 37. Rxb7 Ra4 38. Rxf7+ Kg5 39. a7 Kh4 40. b4 Kxh3 41. b5 Kg2 42. Rg7 h4 43. Rxg6+ Kxf2 44. Ra6 Rc4+ 45. Kb3 Rf4 46. a8Q Rxf3+ 47. Qxf3+ Kxf3 48. Rh6 Kg3 49. b6 h3 50. b7 h2 51. b8Q+ Kg2 52. Qxh2+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.10"]
[Round "5"]
[White "Lensink, Daan"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1535"]
[BlackElo "1614"]
[PlyCount "41"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d3 Bd7 5. Nc3 Nf6 6. Bg5 Be7 7. 0-0 0-0 8. Qd2 Bg4 9. Qe3 Bxf3 10. Bxc6 Bxg2 11. Bxb7 Bxf1 12. Bxa8 Bxd3 13. cxd3 Qxa8 14. Bxf6 Bxf6 15. Nd5 Qb7 16. Nxf6+ gxf6 17. Kh1 Qc8 18. Qh6 Qg4 19. Rg1 Qxg1+ 20. Kxg1 Rb8 21. b3 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2005.08.09"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Braggaar, Leonore"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1614"]
[BlackElo "1838"]
[PlyCount "130"]
[EventDate "2005.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 107 Extra"]
[Source "ChessBase"]
[SourceDate "2005.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2005.09.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. Nb3 Bb6 11. N1d2 Nxd2 12. Bxd2 0-0 13. Re1 Re8 14. Bb4 Qg5 15. Nc5 Bf5 16. Qe2 Qh4 17. c3 a5 18. Ba3 Bxc5 19. Bxc5 Re6 20. Qf3 Be4 21. Qg3 Qh5 22. f3 Rg6 23. Qf2 Bxf3 24. g3 Be4 25. Rf1 Re6 26. Bd4 Rae8 27. a4 c5 28. Bxc5 Rxe5 29. Rfe1 Qh3 30. b4 Rf5 31. Qe2 Ra8 32. Rab1 h6 33. Rb2 axb4 34. Rxb4 Kh7 35. Rxe4 dxe4 36. Qxe4 Ra5 37. g4 Raxc5 38. gxf5 Qxf5 39. Qxf5+ Rxf5 40. Re7 Rc5 41. Rxf7 Rxc3 42. a5 Ra3 43. Rxc7 Rxa5 44. Rc1 Ra2 45. Rc6 g5 46. Kh1 h5 47. Kg1 Kg7 48. Kh1 Rf2 49. Kg1 Rf6 50. Rc8 Kg6 51. Rg8+ Kf5 52. Ra8 h4 53. Ra3 Re6 54. Kf2 Re4 55. Ra5+ Kf4 56. Ra8 Rc4 57. Rf8+ Kg4 58. Rf7 Kh3 59. Rf5 Rc2+ 60. Kg1 g4 61. Rh5 Rg2+ 62. Kf1 Rxh2 63. Rg5 Ra2 64. Rg8 g3 65. Ke1 g2 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2004.??.??"]
[Round "?"]
[White "Oudshoorn, Arres"]
[Black "Van der Pieterman, Frank"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "38"]
[EventDate "2004.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nc6 5. Nf3 Nf6 6. Bb5 Bd7 7. 0-0 0-0-0 8. Bxc6 Bxc6 9. Be3 g6 10. Ne5 Bd5 11. Nxd5 Qxd5 12. c4 Qe6 13. Qa4 a6 14. b4 Kb8 15. b5 axb5 16. Qxb5 Ne4 17. c5 c6 18. Qb6 Qd5 19. Rab1 Rd7 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.09"]
[Round "12"]
[White "Fitski, Wouter"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "151"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. e5 Qe7 7. Be2 Ng8 8. Nc3 f6 9. Bf4 fxe5 10. Qxe5 Qxe5 11. Bxe5 Be7 12. Bxg7 Bf6 13. Bxh8 Bxh8 14. Nd5 Kd8 15. 0-0-0 c6 16. Ne3 d5 17. Bg4 Nf6 18. Bxc8 Rxc8 19. f3 Bg7 20. Nf5 Bf8 21. Rhe1 Rc7 22. Re6 Rf7 23. Rde1 Nh5 24. g4 Nf4 25. Re8+ Kd7 26. Ra8 a6 27. Ra7 Kc7 28. Ra8 Kd7 29. Rae8 Ng6 30. R8e2 Nf4 31. Rd2 Bc5 32. Kb1 Bf8 33. a3 Kd8 34. Rd4 Ng6 35. b4 Kd7 36. h4 Ne7 37. Nxe7 Bxe7 38. f4 Bxh4 39. Rh1 Bg3 40. Rh3 Bf2 41. Rd1 Ke6 42. Rf3 Bh4 43. Rh1 Be7 44. Rh6+ Kd7 45. f5 Bg5 46. Re6 h6 47. Rg6 Ke7 48. f6+ Kd6 49. Rg7 Ke6 50. Rg6 Rxf6 51. Rfxf6+ Bxf6 52. Rxh6 Kf7 53. Rh7+ Bg7 54. Rh1 Kf6 55. Rf1+ Kg6 56. Ka2 b6 57. Kb3 b5 58. Re1 Kf7 59. g5 Bf8 60. g6+ Kxg6 61. Re6+ Kf5 62. Rxc6 Ke4 63. Rxa6 d4 64. Rb6 Bg7 65. Rxb5 Ke3 66. a4 Kf3 67. a5 Kg2 68. a6 d3 69. cxd3 Bd4 70. Rf5 Kh1 71. Kc4 Bg1 72. Rh5+ Bh2 73. Rxh2+ Kxh2 74. a7 Kg3 75. a8Q Kf4 76. Qe8 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "10"]
[White "Devriendt, Sander"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "105"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nf3 Bc5 4. Nc3 Nc6 5. d3 d6 6. h3 Be6 7. Bb3 d5 8. Bg5 d4 9. Nd5 Nb4 10. Nxf6+ gxf6 11. Bd2 Qe7 12. a3 Nc6 13. c3 Rg8 14. Bxe6 Qxe6 15. g3 0-0-0 16. Qc2 dxc3 17. Bxc3 f5 18. 0-0-0 fxe4 19. dxe4 Rxd1+ 20. Rxd1 f6 21. h4 Rd8 22. Rxd8+ Kxd8 23. b4 Bd6 24. Kb2 Qc4 25. Nd2 Qe2 26. Nb3 Qxc2+ 27. Kxc2 Ke7 28. Kd3 Kf7 29. Ke3 Kg6 30. g4 h5 31. Kf3 b6 32. Bd2 Nb8 33. Bc3 Na6 34. Nd2 c5 35. b5 Nc7 36. a4 Ne8 37. Nf1 Nc7 38. Ng3 hxg4+ 39. Kxg4 Bf8 40. h5+ Kh7 41. f4 Bh6 42. fxe5 fxe5 43. Bxe5 Ne6 44. Bb8 c4 45. Ne2 Bd2 46. Bxa7 Ba5 47. Kf5 Nc5 48. e5 Kh6 49. e6 Kxh5 50. e7 Nb7 51. Ke6 Nc5+ 52. Kd5 Nd7 53. e8Q+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "9"]
[White "Oudshoorn, Arres"]
[Black "Bor, Tobias"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "104"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nf6 6. Bd3 h6 7. Nc3 Bc5 8. h3 Bxf2 9. Nb5 Bb6 10. Bf4 Na6 11. a4 0-0 12. a5 Bc5 13. Nxc7 Nxc7 14. Bxc7 Bd7 15. e5 Nd5 16. Bd6 Bxd6 17. exd6 Ne3+ 18. Kd2 Nxg2 19. Rhg1 Nf4 20. Rg4 Nxd3 21. Kxd3 b6 22. Rag1 g6 23. Ne5 Bb5+ 24. c4 Ba6 25. h4 Rfd8 26. h5 g5 27. Kc3 Rxd6 28. Rf4 f5 29. axb6 axb6 30. Rff1 b5 31. c5 Rd5 32. Nd3 Rd7 33. b4 Rad8 34. Ne5 Rd5 35. Nc6 R8d7 36. Re1 f4 37. Ref1 Rf5 38. Nb8 Ra7 39. c6 f3 40. Rg3 Rc7 41. Rgxf3 Rxf3+ 42. Rxf3 Bb7 43. Rf6 Bxc6 44. Nxc6 Rxc6+ 45. Kd4 Kg7 46. Rg6+ Kh7 47. Ke4 Rc4+ 48. Kf3 Rxb4 49. Rxe6 Rh4 50. Re7+ Kg8 51. Re5 Rxh5 52. Rxb5 g4+ 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "7"]
[White "Oudshoorn, Arres"]
[Black "Bottema, Rowan"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "79"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Ng5 Be6 6. Nxe6 fxe6 7. Be3 Qd7 8. Bxc5 dxc5 9. Nd2 0-0-0 10. c3 Nf6 11. Nf3 Kb8 12. 0-0 Qe7 13. Qe2 Nh5 14. Rfd1 Nf4 15. Qe3 b6 16. d4 Qf6 17. dxe5 Rxd1+ 18. Rxd1 Qh6 19. Qxf4 Qxf4 20. Bxe6 Qxe4 21. Bd5 Qc2 22. Re1 Ne7 23. c4 Rd8 24. e6 c6 25. Be4 Qxb2 26. Bxh7 Qxa2 27. Ne5 Rd6 28. Ng6 Rxe6 29. Ne5 Qd2 30. Kf1 Rh6 31. Nf3 Qd3+ 32. Bxd3 Nc8 33. Re8 Kb7 34. Rg8 Rd6 35. Rxg7+ Ka6 36. Ne5 Rd4 37. g4 Nd6 38. g5 Ne8 39. Rd7 Rh4 40. Nxc6 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "11"]
[White "Oudshoorn, Arres"]
[Black "Capelle, Axel"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "49"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 Nf6 3. exd5 Nxd5 4. Nxd5 Qxd5 5. Nf3 e5 6. b3 Qd8 7. Bc4 Bc5 8. Bb2 0-0 9. 0-0 Nc6 10. Nxe5 Nd4 11. Nxf7 Rxf7 12. Bxf7+ Kxf7 13. Qh5+ g6 14. Qxc5 Ne6 15. Qe3 b6 16. Qf3+ Ke8 17. Qxa8 Qxd2 18. Qxc8+ Ke7 19. Rfe1 Qd5 20. Qxc7+ Ke8 21. Qxh7 Qf5 22. Re5 Qf6 23. Rae1 Kf8 24. Rxe6 Qxb2 25. Re8# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.07"]
[Round "8"]
[White "Schippers, Maurice"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "C55"]
[PlyCount "73"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. h3 Be6 5. Bb3 Nf6 6. Nc3 Be7 7. d3 h6 8. Be3 0-0 9. Qd2 Nd7 10. 0-0 Nb6 11. Rfe1 Qd7 12. d4 Bxb3 13. axb3 f5 14. exf5 Qxf5 15. d5 Nb4 16. Rac1 Qg6 17. Kh1 Rad8 18. Bxb6 axb6 19. Ne4 Na6 20. b4 b5 21. c3 c6 22. Ra1 Rc8 23. Qe2 Ra8 24. dxc6 bxc6 25. Qd2 d5 26. Nxe5 Qe6 27. Ng3 Qd6 28. Re2 c5 29. Rd1 cxb4 30. Qxd5+ Qxd5 31. Rxd5 bxc3 32. bxc3 Nc7 33. Rd7 Ra1+ 34. Kh2 Bd8 35. Nh5 g6 36. Rg7+ Kh8 37. Nxg6# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "6"]
[White "Gorter, Eva"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "106"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Nf6 6. Bc4 d6 7. Bg5 Be6 8. Bxe6 fxe6 9. Nc3 Be7 10. 0-0 e5 11. Qb4 b6 12. Qb5+ Qd7 13. Bxf6 Bxf6 14. Qd5 Rc8 15. Rad1 Be7 16. Ne2 c6 17. Qb3 Rd8 18. Ng3 g6 19. h3 d5 20. Rfe1 0-0 21. Rd2 Kh8 22. Red1 d4 23. Qc4 c5 24. c3 Bg5 25. Rd3 Rc8 26. Nf1 b5 27. Qd5 Qxd5 28. exd5 Bf6 29. b3 c4 30. bxc4 bxc4 31. Rg3 d3 32. Nh2 Bh4 33. Rf3 Rfe8 34. g3 Be7 35. Ng4 Bd6 36. Rf7 Rc7 37. Rf6 Bf8 38. Re1 Rce7 39. Ne3 Bg7 40. Rc6 Bh6 41. Rxc4 Bxe3 42. Rxe3 e4 43. Rd4 Rc7 44. c4 Rb7 45. Kf1 Rb2 46. a4 Rf8 47. Re1 Rfxf2+ 48. Kg1 Rg2+ 49. Kh1 Rh2+ 50. Kg1 Rbg2+ 51. Kf1 d2 52. Rd1 e3 53. Re4 e2+ 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "4"]
[White "Oudshoorn, Arres"]
[Black "Cornelissen, Bernard"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "13"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. Bxd5 Na5 6. Bb3 Nxb3 7. axb3 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "2"]
[White "Kampman, Onno"]
[Black "Oudshoorn, Arres"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "131"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 h6 5. Nc3 Nf6 6. 0-0 d6 7. h3 Be6 8. Bxe6 fxe6 9. Be3 Bb6 10. Bxb6 axb6 11. d4 exd4 12. Nxd4 Nxd4 13. Qxd4 e5 14. Qc4 c6 15. Qe6+ Qe7 16. Qc4 Qf7 17. Qb4 Qc7 18. Qc4 b5 19. Qd3 0-0 20. Rfd1 Rfd8 21. Ne2 Qf7 22. a3 Nh5 23. Ng3 Nxg3 24. Qxg3 Qc4 25. Qd3 Ra4 26. b3 Qxd3 27. Rxd3 Rxe4 28. Rf3 Re2 29. c3 e4 30. Rf4 d5 31. f3 Re8 32. fxe4 R8xe4 33. Rff1 R4e3 34. Rac1 Rb2 35. b4 Rb3 36. Rfe1 Rbxc3 37. Rxe3 Rxe3 38. Ra1 Kf7 39. Kf2 Re4 40. a4 Rxb4 41. axb5 Rxb5 42. Rd1 Rb4 43. Ke3 Ke6 44. g4 Ke5 45. Kf3 g5 46. Re1+ Re4 47. Rd1 Rf4+ 48. Ke3 Kf6 49. h4 Rxg4 50. hxg5+ Rxg5 51. Rf1+ Rf5 52. Rb1 b5 53. Rc1 Re5+ 54. Kd4 Re6 55. Rf1+ Ke7 56. Rc1 Re4+ 57. Kd3 Kd6 58. Rh1 Re6 59. Rg1 h5 60. Rh1 Re5 61. Kd4 c5+ 62. Kd3 d4 63. Rb1 b4 64. Kc4 Kc6 65. Rd1 Re2 66. Rd3 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "3"]
[White "Oudshoorn, Arres"]
[Black "De Cloet, Jeanine"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "134"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nce2 e5 4. c3 c5 5. Nf3 Nc6 6. Ng3 Nf6 7. Bc4 Be7 8. Ng5 0-0 9. Nf5 h6 10. Nxf7 Rxf7 11. Bxf7+ Kxf7 12. d3 Be6 13. c4 Qd7 14. Qf3 Rf8 15. g4 Bxf5 16. gxf5 Nb4 17. Kd1 Nh7 18. Qh5+ Kg8 19. Qf3 Bf6 20. a3 Qa4+ 21. Ke2 Qc2+ 22. Bd2 Na6 23. Rab1 Bg5 24. Rhd1 Bxd2 25. Kf1 Ng5 26. Qe2 Nc7 27. h4 Nh3 28. Qxd2 Qxd2 29. Rxd2 Nf4 30. b4 Na6 31. b5 Nb8 32. a4 Nd7 33. Kg1 g6 34. fxg6 Nxg6 35. Kh2 Nxh4 36. Rg1+ Kh7 37. Rg3 Nf3+ 38. Rxf3 Rxf3 39. Kg2 Rf6 40. a5 b6 41. Ra2 Rg6+ 42. Kf1 Rg7 43. a6 h5 44. f3 Nf6 45. Rh2 Kg8 46. Rh4 Kf7 47. Kf2 Kg6 48. Kf1 Kg5 49. Rh3 Kf4 50. Kf2 Rh7 51. Rh4+ Kg5 52. Kg3 Nd7 53. Kh3 Nf8 54. Kg3 Ne6 55. Rh2 Nf4 56. Rd2 h4+ 57. Kh2 h3 58. Kg1 Ng2 59. Kh2 Kf4 60. Ra2 Kxf3 61. Rb2 Nf4 62. Rb1 Rg7 63. Rb2 Rg2+ 64. Rxg2 hxg2 65. Kg1 Nh3+ 66. Kh2 g1Q+ 67. Kxh3 Qg3# 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "4"]
[White "Schenkeveld, Daniel"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "58"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Nc6 5. Bb5 Bd7 6. d3 Nd4 7. Bxd7+ Qxd7 8. 0-0 exf4 9. Nxd4 g6 10. Bxf4 Bg7 11. Nf3 Qg4 12. Ng5 Qh4 13. g3 Qh5 14. Qxh5 Nxh5 15. Rae1 Nxf4 16. Rxf4 0-0 17. Rf3 a5 18. Ref1 f6 19. Ne6 Rf7 20. Nxg7 Kxg7 21. Nd5 Raf8 22. d4 c6 23. Nc3 f5 24. exf5 Rxf5 25. Rxf5 gxf5 26. Kg2 Kg6 27. g4 Rf6 28. Rxf5 Rxf5 29. gxf5+ Kxf5 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2002.08.06"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Hooghwerff, Quinten"]
[Result "1-0"]
[ECO "A41"]
[PlyCount "65"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. d4 d6 3. dxe5 Bf5 4. Nc3 Nc6 5. Be3 dxe5 6. Qxd8+ Nxd8 7. Nf3 Bb4 8. g3 e4 9. Nh4 Nh6 10. Bg2 Bxc3+ 11. bxc3 0-0 12. 0-0 Be6 13. Bxe4 Bxc4 14. Bxh6 gxh6 15. Bd3 Bxd3 16. exd3 Nc6 17. Nf5 Kh8 18. Rfe1 Rad8 19. Rab1 b6 20. d4 Na5 21. Re7 Rd5 22. Nxh6 Kg7 23. Ng4 Nc4 24. Rxc7 b5 25. a4 Nd2 26. Rxb5 Rxb5 27. axb5 a5 28. Ra7 Nb3 29. b6 Rb8 30. b7 Kg8 31. Ne5 a4 32. Nd7 Re8 33. b8Q 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2002.08.05"]
[Round "1"]
[White "Snijders, Jasper"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "11"]
[EventDate "2002.08.05"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 f6 3. Bc4 e5 4. 0-0 Ne7 5. Bb3 Qb6 6. Bf7+ 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.10"]
[Round "10"]
[White "Uiterwijk, Sven"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "29"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Nf3 e6 4. Nc3 g6 5. d3 e5 6. Bg5 Qd7 7. Nd5 b6 8. Bf6 Qg4 9. 0-0 Qh5 10. Bxh8 Ne7 11. Nf6+ Kd8 12. Nxh5 gxh5 13. Bf6 Nd7 14. Bxe7+ Bxe7 15. Bxf7 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.08"]
[Round "5"]
[White "Van der Tuijn, Ies"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "45"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Nf3 g6 4. d4 Bg7 5. Bd2 Bxd4 6. Nxd4 cxd4 7. Nd5 e6 8. Nb4 e5 9. f4 Nf6 10. fxe5 dxe5 11. Bg5 Nbd7 12. Nd5 b6 13. Qf3 Bb7 14. Nxf6+ Kf8 15. Nxh7+ Rxh7 16. Bxd8 Rxd8 17. Bc4 Ba8 18. 0-0-0 Nc5 19. Rde1 Rd7 20. Rhf1 Kg8 21. b4 Ne6 22. Bxe6 fxe6 23. Qf8# 1-0

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.07"]
[Round "2"]
[White "Oudshoorn, Arres"]
[Black "Jacobs, Sheila"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "84"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. Bd3 h6 6. Nf3 dxe4 7. Bc4 exf3 8. Qxf3 Nd4 9. Qc3 Ne4 10. Qd3 Bf5 11. Bb5+ c6 12. Ba4 Nxf2 13. Qe3 Nxh1 14. Qxe5+ Qe7 15. Qxe7+ Bxe7 16. d3 b5 17. Bb3 Nxb3 18. axb3 Bc5 19. Ra6 Bd7 20. Nc3 Nf2 21. Bf4 Ng4 22. Ne4 Be7 23. h3 Nf6 24. Nf2 0-0 25. c3 Rfe8 26. Ke2 Bd6+ 27. Be3 Bf4 28. Ra1 Bxe3 29. Kf1 Bxf2 30. Kxf2 Re6 31. d4 Ne4+ 32. Kg1 Nd2 33. b4 Nc4 34. Kh1 Re2 35. b3 Ne3 36. Rg1 a5 37. bxa5 Rxa5 38. b4 Raa2 39. d5 cxd5 40. c4 dxc4 41. h4 Rxg2 42. h5 Rh2# 0-1

[Event "Hengelo U12 op"]
[Site "Hengelo"]
[Date "2001.08.06"]
[Round "1"]
[White "Moernaut, Evelien"]
[Black "Oudshoorn, Arres"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "43"]
[EventDate "2001.08.06"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 h6 5. d3 Bc5 6. Be3 Bxe3 7. fxe3 0-0 8. 0-0 d6 9. d4 Qe8 10. d5 Nb4 11. a3 Na6 12. b4 Nb8 13. Qe2 Bg4 14. Qe1 Bxf3 15. Rxf3 Nbd7 16. Qh4 Qd8 17. Be2 a6 18. Rg3 b5 19. Bh5 Nxh5 20. Qxh5 Nf6 21. Qxh6 Qd7 22. Qxg7# 1-0

