Robert Jan Den Haan
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo op U14 | 08/06/2001 | 0 | Netherlands |
| NED-ch U14 op | 08/07/2000 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C29 | Vienna gambit | 3 games |
| B20 | Sicilian defence | 1 games |
| C48 | Four knights, Spanish variation | 1 games |
| C49 | Four knights, double Ruy Lopez | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C62 | Ruy Lopez, old Steinitz defence | 2 games |
| D35 | Queen's Gambit Declined, 3...Nf6 | 1 games |
| C50 | King's pawn game | 1 games |
| C55 | Two knights defence | 1 games |


Netherlands