Gerard Heijster
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo U14 op | 08/??/2005 | 1394 | Netherlands |
| Hengelo U14 op | 08/??/2004 | 14 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 5 games |
| C55 | Two knights defence | 1 games |
| C50 | King's pawn game | 1 games |
| C64 | Ruy Lopez, classical (Cordel) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| A00 | Polish (Sokolsky) opening | 2 games |
| C40 | King's knight opening | 2 games |
| C50 | King's pawn game | 2 games |
| C63 | Ruy Lopez, Schliemann defence | 1 games |


Netherlands