Judith Katz
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| NED-ch U12 op | 08/07/2000 | 0 | Netherlands |
| NED U12 op | ??/??/1999 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| C50 | King's pawn game | 2 games |
| B02 | Alekhine's defence | 1 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
| C47 | Four knights, Scotch variation | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
| C44 | King's pawn game | 1 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 1 games |
| C47 | Four knights, Scotch variation | 1 games |


Netherlands