Ratings
2005-07-17: 27th Dutch Othello Open(Netherlands)
| JONGKIND Robbert | lost to | OOMEN Marc |
| OOMEN Marc | won against | VAN LAMBALGEN Martijn |
| REIJNDERS Ralph | won against | OOMEN Marc |
| OOMEN Marc | won against | LUBBERS Lammie |
| VISSER Erik | won against | OOMEN Marc |
| OOMEN Marc | won against | VAN GIMST Ruud |
| KORTENDIJK Albert | lost to | OOMEN Marc |
2004-09-26: 6th Open Dutch Othello Championships(Netherlands)
| AUBROECK Patrick | lost to | OOMEN Marc |
| OOMEN Marc | lost to | VISSER Erik |
| SNEEK Marcel | won against | OOMEN Marc |
| OOMEN Marc | won against | VAN DER WAGT Jan |
| MAWHIN Melvin | won against | OOMEN Marc |
| OOMEN Marc | lost to | SLOT Daan |
| TREBINI Jolande | lost to | OOMEN Marc |