Ronald Spoelstra
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo U14 op | 08/??/2004 | 14 |  Netherlands |
| Zwolle Windesheim op-B | 03/19/2004 | 64 | Netherlands |
| NED-ch U12 | 04/29/2002 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B22 | Sicilian, Alapin's variation (2.c3) | 2 games |
| B05 | Alekhine's defence, modern variation, 4...Bg4 | 1 games |
| C66 | Ruy Lopez, Berlin defence, 4.O-O, d6 | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B50 | Sicilian | 2 games |
| B22 | Sicilian, Alapin's variation (2.c3) | 1 games |
| C03 | French, Tarrasch | 1 games |
| E33 | Nimzo-Indian, classical, 4...Nc6 | 1 games |
