Toernooibase
 | Dutch Open KNDB 1970 |
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| Round 1 |
| we 29-04-1970 | Sjoerd Visser | - | Jan Edink | 1 | - | 1 | | Game |
| Carl Smith | - | John Sadiek | 1 | - | 1 | | Game  |
| Baba Sy | - | Wim Jurg | 2 | - | 0 | | Game |
| Ton Sijbrands | - | Michel Grégoire | 2 | - | 0 | | Game |
| Raoul Delhom | - | Gaetan Gagnon | 1 | - | 1 | | Game |
| Paul Germain | - | Frans Hermelink | 2 | - | 0 | | Game |
| Michel Hisard | - | Siep Mensonides | 1 | - | 1 | | Game |
| Kees Pippel | - | Jean Simonata | 1 | - | 1 | | Game |
| Piet Roozenburg | - | Derk Kleinrensink | 2 | - | 0 | | Game |
| Nikhila | - | Jan Blom | 2 | - | 0 | | Game |
| Round 2 |
| th 30-04-1970 | Jean Simonata | - | Carl Smith | 1 | - | 1 | | Game |
| John Sadiek | - | Kees Pippel | 0 | - | 2 | | Game |
| Siep Mensonides | - | Piet Roozenburg | 1 | - | 1 | | Game |
| Derk Kleinrensink | - | Michel Hisard | 0 | - | 2 | | Game |
| Wim Jurg | - | Ton Sijbrands | 0 | - | 2 | | Game |
| Frans Hermelink | - | Nikhila | 2 | - | 0 | | Game |
| Michel Grégoire | - | Baba Sy | 1 | - | 1 | | Game |
| Gaetan Gagnon | - | Sjoerd Visser | 1 | - | 1 | | Game |
| Raoul Delhom | - | Jan Edink | 2 | - | 0 | | Game |
| Jan Blom | - | Paul Germain | 1 | - | 1 | | Game |
| Round 3 |
| fr 01-05-1970 | Sjoerd Visser | - | Derk Kleinrensink | 1 | - | 1 | | Game |
| Ton Sijbrands | - | Jean Simonata | 2 | - | 0 | | Game |
| Baba Sy | - | John Sadiek | 1 | - | 1 | | Game |
| Piet Roozenburg | - | Frans Hermelink | 2 | - | 0 | | Game |
| Gaetan Gagnon | - | Michel Grégoire | 2 | - | 0 | | Game |
| Michel Hisard | - | Jan Blom | 2 | - | 0 | | Game |
| Paul Germain | - | Carl Smith | 1 | - | 1 | | Game |
| Jan Edink | - | Wim Jurg | 2 | - | 0 | | Game |
| Raoul Delhom | - | Siep Mensonides | 1 | - | 1 | | Game |
| Nikhila | - | Kees Pippel | 1 | - | 1 | | Game |
| Round 4 |
| sa 02-05-1970 | Carl Smith | - | Nikhila | 1 | - | 1 | | Game |
| Jean Simonata | - | Baba Sy | 1 | - | 1 | | Game |
| John Sadiek | - | Ton Sijbrands | 0 | - | 2 | | Game |
| Kees Pippel | - | Paul Germain | 1 | - | 1 | | Game |
| Siep Mensonides | - | Sjoerd Visser | 1 | - | 1 | | Game |
| Derk Kleinrensink | - | Raoul Delhom | 2 | - | 0 | | Game |
| Wim Jurg | - | Gaetan Gagnon | 1 | - | 1 | | Game |
| Frans Hermelink | - | Michel Hisard | 0 | - | 2 | | Game |
| Michel Grégoire | - | Jan Edink | 0 | - | 2 | | Game |
| Jan Blom | - | Piet Roozenburg | 1 | - | 1 | | Game |
| Round 5 |
| mo 04-05-1970 | Baba Sy | - | Sjoerd Visser | 1 | - | 1 | | Game |
| Carl Smith | - | Wim Jurg | 2 | - | 0 | | Game |
| Jean Simonata | - | Jan Blom | 2 | - | 0 | | Game |
| Ton Sijbrands | - | Raoul Delhom | 2 | - | 0 | | Game |
| John Sadiek | - | Frans Hermelink | 1 | - | 1 | | Game |
| Piet Roozenburg | - | Jan Edink | 1 | - | 1 | | Game |
| Kees Pippel | - | Michel Grégoire | 2 | - | 0 | | Game |
| Michel Hisard | - | Gaetan Gagnon | 2 | - | 0 | | Game |
| Paul Germain | - | Derk Kleinrensink | 1 | - | 1 | | Game |
| Nikhila | - | Siep Mensonides | 2 | - | 0 | | Game |
| Round 6 |
| tu 05-05-1970 | Sjoerd Visser | - | Ton Sijbrands | 1 | - | 1 | | Game |
| Siep Mensonides | - | Paul Germain | 1 | - | 1 | | Game |
| Michel Grégoire | - | Carl Smith | 1 | - | 1 | | Game |
| Frans Hermelink | - | Jean Simonata | 1 | - | 1 | | Game |
| Wim Jurg | - | Kees Pippel | 0 | - | 2 | | Game |
| Derk Kleinrensink | - | Nikhila | 0 | - | 2 | | Game |
| Gaetan Gagnon | - | Piet Roozenburg | 0 | - | 2 | | Game |
| Jan Edink | - | Michel Hisard | 1 | - | 1 | | Game |
| Raoul Delhom | - | Baba Sy | 1 | - | 1 | | Game |
| Jan Blom | - | John Sadiek | 1 | - | 1 | | Game |
| Round 7 |
| we 06-05-1970 | Piet Roozenburg | - | Carl Smith | 1 | - | 1 | | Game |
| Sjoerd Visser | - | Frans Hermelink | 0 | - | 2 | | Game |
| Baba Sy | - | Paul Germain | 2 | - | 0 | | Game |
| Ton Sijbrands | - | Nikhila | 2 | - | 0 | | Game |
| Wim Jurg | - | Derk Kleinrensink | 2 | - | 0 | | Game |
| Michel Grégoire | - | Siep Mensonides | 1 | - | 1 | | Game |
| Michel Hisard | - | Kees Pippel | 2 | - | 0 | | Game |
| Gaetan Gagnon | - | Jean Simonata | 0 | - | 2 | | Game |
| Jan Edink | - | John Sadiek | 0 | - | 2 | | Game |
| Raoul Delhom | - | Jan Blom | 1 | - | 1 | | Game |
| Round 8 |
| th 07-05-1970 | Carl Smith | - | Michel Hisard | 1 | - | 1 | | Game |
| Jean Simonata | - | Jan Edink | 0 | - | 2 | | Game |
| Kees Pippel | - | Piet Roozenburg | 1 | - | 1 | | Game |
| John Sadiek | - | Gaetan Gagnon | 2 | - | 0 | | Game |
| Siep Mensonides | - | Wim Jurg | 2 | - | 0 | | Game |
| Paul Germain | - | Ton Sijbrands | 1 | - | 1 | | Game |
| Frans Hermelink | - | Raoul Delhom | 1 | - | 1 | | Game |
| Derk Kleinrensink | - | Michel Grégoire | 1 | - | 1 | | Game |
| Nikhila | - | Baba Sy | 1 | - | 1 | | Game |
| Jan Blom | - | Sjoerd Visser | 1 | - | 1 | | Game |
| Round 9 |
| fr 08-05-1970 | Carl Smith | - | Sjoerd Visser | 0 | - | 2 | | Game |
| Jean Simonata | - | Siep Mensonides | 1 | - | 1 | | Game |
| John Sadiek | - | Derk Kleinrensink | 2 | - | 0 | | Game |
| Piet Roozenburg | - | Baba Sy | 1 | - | 1 | | Game |
| Kees Pippel | - | Raoul Delhom | 1 | - | 1 | | Game |
| Michel Hisard | - | Ton Sijbrands | 0 | - | 2 | | Game |
| Frans Hermelink | - | Wim Jurg | 1 | - | 1 | | Game |
| Paul Germain | - | Jan Edink | 1 | - | 1 | | Game |
| Nikhila | - | Gaetan Gagnon | 1 | - | 1 | | Game |
| Jan Blom | - | Michel Grégoire | 0 | - | 2 | | Game |
| Round 10 |
| sa 09-05-1970 | Sjoerd Visser | - | Kees Pippel | 2 | - | 0 | | Game |
| Derk Kleinrensink | - | Jean Simonata | 1 | - | 1 | | Game |
| Siep Mensonides | - | John Sadiek | 2 | - | 0 | | Game |
| Ton Sijbrands | - | Piet Roozenburg | 1 | - | 1 | | Game |
| Baba Sy | - | Michel Hisard | 1 | - | 1 | | Game |
| Michel Grégoire | - | Frans Hermelink | 0 | - | 2 | | Game |
| Wim Jurg | - | Jan Blom | 2 | - | 0 | | Game |
| Gaetan Gagnon | - | Paul Germain | 0 | - | 2 | | Game |
| Jan Edink | - | Nikhila | 1 | - | 1 | | Game |
| Raoul Delhom | - | Carl Smith | 0 | - | 2 | | Game |