Norms
| Norm | Tournament | Dates | Score | Avg. opp. | Perf. | Status |
|---|---|---|---|---|---|---|
| IM | Oberliga Nord Staffel West 08-09H amburg (GER) | 1 Oct 2008 – 1 Apr 2009 | 7½/9 | Certified ↗ | ||
| IM | Dutch Team Competition 05-06 - Meesterion: Several (NED) | 24 Sep 2005 – 14 May 2006 | 5½/9 | Certified ↗ | ||
| IM | Dutch Team Competition 03-04 - Meesterion: Several (NED) | 17 Sep 2003 – 21 May 2004 | 6/9 | Certified ↗ |