Games played by Ruben Slagter
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Tillema, M | Slagter, R | 0-1  |
49 | B55 | 2003 | NED-ch U12 |
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| Slagter, R | Beumer, S | ½-½ |
14 | B42 | 2003 | NED-ch U12 |
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| Slagter, R | Jacobse, J | 0-1 |
76 | C41 | 2003 | NED-ch U12 |
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