Norms
| Norm | Tournament | Dates | Score | Avg. opp. | Perf. | Status |
|---|---|---|---|---|---|---|
| IM | Dutch Team Competition - Meesterklasseion: Various | 23 Sep 2006 – 13 May 2007 | 6/9 | Certified ↗ | ||
| IM | Dutch Team Competition - Meesterklasseion: Various | 24 Sep 2005 – 14 May 2006 | 6/9 | Certified ↗ | ||
| IM | Amsterdam Chess TournamentAmsterdam, Netherlands | 17–25 Jul 2004 | 5½/9 | 2391 | Certified ↗ |