M. Steffelaar
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED tour sim | ??/??/1908 | 0 |  Netherlands |
| Haarlem sim | ??/??/1896 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
Most Played Openings as Black
| ECO | Opening | Games |
| A03 | Bird's opening | 1 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
