H. Jacobse
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Vlissingen HZ op 3rd | 08/09/1999 | 678 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| D02 | Queen's pawn game | 1 games |
| B44 | Sicilian defence | 1 games |
| B01 | Scandinavian (centre counter) defence | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B06 | Robatsch (modern) defence | 1 games |
| D07 | Queen's Gambit Declined, Chigorin defence | 1 games |
| A20 | English opening | 1 games |
| A03 | Bird's opening | 1 games |


Netherlands