[Event "Leiden op-B 12th"]
[Site "Leiden"]
[Date "2018.07.22"]
[Round "9"]
[White "Arkesteijn, Jaco"]
[Black "Boeters, Stefan"]
[Result "1/2-1/2"]
[ECO "A55"]
[WhiteElo "1589"]
[BlackElo "1845"]
[PlyCount "36"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. Nf3 e5 5. e4 Be7 6. Be2 c6 7. b4 0-0 8. Qc2 Qe8 9. 0-0 Bd8 10. b5 Ba5 11. Bd3 exd4 12. Nxd4 Nc5 13. f3 Qe5 14. Be3 Bd7 15. Rae1 Nxd3 16. Qxd3 cxb5 17. cxb5 Rac8 18. Rc1 Bxc3 1/2-1/2

[Event "Leiden op-B 12th"]
[Site "Leiden"]
[Date "2018.07.21"]
[Round "8"]
[White "Both, Gert"]
[Black "Arkesteijn, Jaco"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "1854"]
[BlackElo "1589"]
[PlyCount "111"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 c5 2. d5 e6 3. c4 exd5 4. cxd5 d6 5. Nc3 Na6 6. e4 Nc7 7. Be2 g6 8. Nf3 Bg7 9. 0-0 Ne7 10. Bf4 0-0 11. a4 a6 12. h3 Rb8 13. a5 b5 14. axb6 Rxb6 15. Qc2 f5 16. Bg5 fxe4 17. Qxe4 Rf7 18. Qc2 Bf5 19. Qd2 Qb8 20. Ra2 Rb4 21. Be3 c4 22. Nd4 Bd3 23. Bxd3 cxd3 24. Ne6 Nexd5 25. Nxd5 Nxd5 26. Nxg7 Nxe3 27. Qxe3 Kxg7 28. Qxd3 Rbf4 29. Qxa6 d5 30. Qd3 Qe5 31. b3 g5 32. Re2 Qd4 33. Rd1 Qxd3 34. Rxd3 Rb7 35. Re5 h6 36. Rexd5 Rff7 37. g3 Rfe7 38. Kg2 Rf7 39. R5d4 Rfe7 40. h4 Kg6 41. Kh3 Rf7 42. f3 Rbe7 43. Rd6+ Kg7 44. hxg5 hxg5 45. Kg4 Re5 46. b4 Rff5 47. Rb6 Rf7 48. b5 Rc5 49. Rb8 Re7 50. b6 Rc4+ 51. Kh3 Rb4 52. Rc3 Kf6 53. Rc7 Ke6 54. Rxe7+ Kxe7 55. b7 Kf7 56. Rh8 1-0

[Event "Leiden op-B 12th"]
[Site "Leiden"]
[Date "2018.07.20"]
[Round "7"]
[White "Arkesteijn, Jaco"]
[Black "Rijnders, Wijnand"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1589"]
[PlyCount "65"]
[EventDate "2018.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 d5 5. Bg2 c6 6. b3 Bd6 7. Nf3 0-0 8. 0-0 Qe8 9. Re1 Nbd7 10. a4 Ne4 11. Bb2 Qh5 12. Nd2 g5 13. Ndxe4 fxe4 14. f3 Rf6 15. fxe4 Rh6 16. h3 Bxg3 17. Rf1 Bf4 18. Qd3 e5 19. exd5 g4 20. Ne4 gxh3 21. Bf3 Qh4 22. e3 Nf6 23. Nxf6+ Rxf6 24. exf4 Bg4 25. Kh2 Rxf4 26. Bxg4 Rxg4 27. Qf3 Rg2+ 28. Kh1 Rxb2 29. Rg1+ Kh8 30. Raf1 h5 31. Rg6 Rg2 32. Rh6+ Kg7 33. Rxh5 1-0

[Event "Delft Prinsenstad op-C"]
[Site "Delft"]
[Date "2011.04.23"]
[Round "4"]
[White "Koks, Paul"]
[Black "Arkesteijn, Jaco"]
[Result "0-1"]
[ECO "A97"]
[WhiteElo "1533"]
[BlackElo "1568"]
[PlyCount "51"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 f5 2. Nf3 Nf6 3. g3 e6 4. c4 d6 5. Bg2 Be7 6. Nc3 0-0 7. 0-0 Qe8 8. Re1 Nc6 9. e4 fxe4 10. Nxe4 Nxe4 11. Rxe4 Rf5 12. Bh3 Rf6 13. Bg5 Rxf3 14. Bxe7 Qf7 15. Qe2 Nxe7 16. Re1 Bd7 17. Bxe6 Bxe6 18. Rxe6 Nc6 19. d5 Ne5 20. c5 Rf8 21. cxd6 cxd6 22. Rxe5 dxe5 23. Qxe5 Rxf2 24. d6 Qf3 25. Qe6+ Kh8 26. Qe4 0-1

[Event "Delft Prinsenstad op-C"]
[Site "Delft"]
[Date "2010.04.04"]
[Round "5"]
[White "Vriens, Huib"]
[Black "Arkesteijn, Jaco"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1591"]
[BlackElo "1554"]
[PlyCount "98"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Nbd7 8. Be2 b5 9. f3 Bb7 10. Qd2 Nb6 11. Na5 Rb8 12. Nxb7 Rxb7 13. b3 Rd7 14. Nxb5 d5 15. exd5 Nbxd5 16. 0-0 Nf4 17. Qe1 Nxe2+ 18. Qxe2 axb5 19. Qxb5 Bd6 20. Bc5 0-0 21. Bxd6 Rxd6 22. Qxe5 Re8 23. Qc5 Rd2 24. Rfe1 Ree2 25. Rxe2 Rxe2 26. Rf1 g6 27. g3 h6 28. a4 Nh7 29. Rf2 Re1+ 30. Rf1 Rxf1+ 31. Kxf1 Qd1+ 32. Kg2 Ng5 33. Qf2 Kf8 34. a5 Qd6 35. Qe2 Ne6 36. Qe1 g5 37. b4 Nd4 38. Qc3 Qe5 39. g4 h5 40. h3 h4 41. Qc5+ Qxc5 42. bxc5 Ke7 43. c3 Nc6 44. a6 Ke6 45. Kf2 Ke5 46. Ke3 Na7 47. Kd3 Nc6 48. Kc4 Na7 49. Kb4 Kd5 1/2-1/2

[Event "Delft Prinsenstad op-C"]
[Site "Delft"]
[Date "2010.04.03"]
[Round "4"]
[White "Arkesteijn, Jaco"]
[Black "Von Meijenfeldt, Chiel"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1554"]
[BlackElo "1675"]
[PlyCount "69"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 c6 5. Bg2 d5 6. cxd5 exd5 7. Bg5 Bd6 8. Bh3 0-0 9. Qc2 Qe8 10. Nf3 Ne4 11. Be3 Nd7 12. Nd2 Ndf6 13. 0-0-0 Qh5 14. Ndxe4 fxe4 15. Bxc8 Raxc8 16. Rdf1 c5 17. Qb3 b6 18. Kb1 c4 19. Qc2 Qe8 20. Bf4 Be7 21. f3 Bb4 22. e3 Bxc3 23. Qxc3 exf3 24. Ka1 Ne4 25. Qc2 f2 26. g4 g5 27. Bg3 Qf7 28. Bxf2 Nxf2 29. Rhg1 Rc6 30. Rg2 Rf6 31. a3 Nd3 32. Rxf6 Qxf6 33. h4 Qf1+ 34. Ka2 Nc1+ 35. Ka1 0-1

