[Event "NED-chT"]
[Site "Netherlands"]
[Date "1969.??.??"]
[Round "?"]
[White "Maakenschijn"]
[Black "Van Ommen, A."]
[Result "0-1"]
[ECO "B03"]
[PlyCount "60"]
[EventDate "1969.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 exd6 6. Nc3 Be7 7. Be3 0-0 8. Bd3 Nc6 9. Rc1 Re8 10. Nge2 Bg5 11. Bxg5 Qxg5 12. 0-0 Bf5 13. Nb5 Bxd3 14. Qxd3 Qe7 15. Nf4 a6 16. Nc3 Rac8 17. Nfd5 Nxd5 18. Nxd5 Qe4 19. Rcd1 Qxd3 20. Rxd3 Re2 21. b4 Kf8 22. a4 Rc2 23. b5 Ne7 24. Nxe7 Kxe7 25. Re1+ Kf8 26. c5 Re8 27. Rxe8+ Kxe8 28. g3 axb5 29. cxd6 bxa4 30. Re3+ Kd7 0-1

[Event "Hoogovens Reserve-A"]
[Site "Beverwijk"]
[Date "1967.01.26"]
[Round "7"]
[White "Van Ommen, A."]
[Black "Reuben, Stewart"]
[Result "0-1"]
[ECO "B38"]
[PlyCount "58"]
[EventDate "1967.01.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nh6 7. Be2 f5 8. Nc3 0-0 9. 0-0 fxe4 10. Nxe4 Nf5 11. Nxc6 bxc6 12. Bc5 Bxb2 13. Rb1 Bg7 14. Qa4 d6 15. Bb6 Qd7 16. Rfd1 Qe6 17. Bd3 Bd7 18. Bc5 dxc5 19. Nxc5 Qd6 20. Bxf5 Bxf5 21. Rxd6 exd6 22. Rb7 dxc5 23. Qxc6 Rad8 24. h3 Be5 25. g4 Rd6 26. Qa4 Be4 27. Re7 Bc6 28. Qc2 Bd4 29. Rxa7 Rdf6 0-1

[Event "Hoogovens Reserve-A"]
[Site "Beverwijk"]
[Date "1967.01.21"]
[Round "3"]
[White "Tilstra, Arjen"]
[Black "Van Ommen, A."]
[Result "0-1"]
[ECO "A03"]
[PlyCount "176"]
[EventDate "1967.01.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. g3 Bg7 4. Bg2 c6 5. c3 Nf6 6. 0-0 0-0 7. d3 Nbd7 8. Qe1 Re8 9. Ne5 Qc7 10. Nxd7 Bxd7 11. d4 Qc8 12. Nd2 Bh3 13. e4 Bxg2 14. Kxg2 dxe4 15. Nxe4 Qf5 16. Nf2 Qd5+ 17. Kg1 h5 18. Qe2 Rad8 19. Be3 Ne4 20. Nxe4 Qxe4 21. Qf3 Qxf3 22. Rxf3 Rd5 23. Raf1 e6 24. Kg2 b5 25. R3f2 Bf6 26. Rc1 Rd7 27. Kf3 Bd8 28. c4 Bb6 29. Rd2 Red8 30. c5 Bc7 31. Rdc2 Rb8 32. b3 Bd8 33. Rb1 a5 34. a3 Kf8 35. Rcb2 Bf6 36. Ke4 Ke8 37. h3 Bg7 38. Rd2 Rbd8 39. Rbd1 Ke7 40. Kf3 Rd5 41. Ke4 f6 42. Rd3 Kf7 43. R3d2 Bf8 44. Kf3 Bh6 45. Ke4 Bg7 46. Kf3 Ra8 47. a4 bxa4 48. bxa4 Rb8 49. Ra1 Rb4 50. Rd3 f5 51. Bd2 Rdxd4 52. Rxd4 Rb3+ 53. Kg2 Bxd4 54. Ra2 Bc3 55. Kf2 e5 56. fxe5 Ke6 57. Bxc3 Rxc3 58. Rd2 Kxe5 59. Rd6 Rxc5 60. Rxg6 Ke4 61. Rg5 Rc2+ 62. Kf1 h4 63. gxh4 Rh2 64. Rg3 Rc2 65. h5 f4 66. Rg5 Kf3 67. Ke1 Rh2 68. Rc5 Rh1+ 69. Kd2 Kf2 70. Rxc6 Rxh3 71. h6 f3 72. Rg6 Kf1 73. Rg5 Rxh6 74. Rxa5 f2 75. Rf5 Rg6 76. Ke3 Rg3+ 77. Kd2 Kg1 78. Ke2 Rg2 79. Kd3 Rg4 80. Ke2 Re4+ 81. Kd3 Rxa4 82. Rg5+ Kf1 83. Rg8 Ra5 84. Kd2 Rd5+ 85. Kc2 Ke2 86. Re8+ Kf3 87. Rf8+ Kg3 88. Rf7 Rd4 0-1

[Event "Hoogovens Reserve-A"]
[Site "Beverwijk"]
[Date "1967.01.19"]
[Round "1"]
[White "Vyslouzil, Antonin"]
[Black "Van Ommen, A."]
[Result "1/2-1/2"]
[ECO "D45"]
[PlyCount "81"]
[EventDate "1967.01.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 a6 6. Qc2 dxc4 7. Bxc4 Nbd7 8. 0-0 b5 9. Be2 c5 10. e4 cxd4 11. e5 dxc3 12. exf6 Qc7 13. fxg7 Bxg7 14. Ng5 cxb2 15. Qxc7 bxa1Q 16. Nxe6 Bf6 17. Bf3 Rb8 18. Bf4 Qxa2 19. Nc5 0-0 20. Nxd7 Bxd7 21. Qxd7 Qe6 22. Qxe6 fxe6 23. Bxb8 Rxb8 24. Rb1 b4 25. Bd1 Kf7 26. Kf1 a5 27. Bb3 Bc3 28. Rd1 Ke7 29. Ke2 Rb6 30. f4 Rc6 31. Ba4 Rc7 32. Ke3 Bb2 33. g3 Kf6 34. Bb3 Ke7 35. Ke4 Rc3 36. Rd3 Rc1 37. Rd1 Rc3 38. Rd3 Rc1 39. Rd1 Rc7 40. Rd2 Bc3 41. Rd3 1/2-1/2

