M. Helvensteijn
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo op U14 | ??/??/1997 | 0 |  Netherlands |
| Hengelo U14 | ??/??/1996 | 0 | Netherlands |
| NED-ch U12 | ??/??/1995 | 158 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C45 | Scotch game | 5 games |
| C44 | King's pawn game | 2 games |
| C55 | Two knights defence | 1 games |
| B30 | Sicilian defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C42 | Petrov's defence | 2 games |
| B32 | Sicilian defence | 1 games |
| C48 | Four knights, Spanish variation | 1 games |
| D10 | Queen's Gambit Declined Slav defence | 1 games |
