J. Louws
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch U18 | ??/??/1992 | 47 | Netherlands |
| NED-ch qual (Women) | ??/??/1989 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| A07 | Reti, King's Indian attack (Barcza system) | 1 games |
| B54 | Sicilian | 1 games |
| A05 | Reti opening | 1 games |
| A04 | Reti opening | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B03 | Alekhine's defence | 1 games |
| E94 | King's Indian, orthodox variation | 1 games |
| B04 | Alekhine's defence, modern variation | 1 games |
| A03 | Bird's opening | 1 games |


Netherlands