Jos Kalb
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Hengelo U20 op | ??/??/1998 | 201 | Netherlands |
| Hengelo op U16 | ??/??/1997 | 27 | Netherlands |
| Hengelo U16 | ??/??/1996 | 0 | Netherlands |
| NED-ch U18 | ??/??/1995 | 0 | Netherlands |
Most Played Openings as White
| ECO | Opening | Games |
| B21 | Sicilian, Grand Prix attack | 3 games |
| C54 | Giuoco Piano | 3 games |
| C02 | French, advance variation | 2 games |
| A59 | Benko gambit, 7.e4 | 2 games |
Most Played Openings as Black
| ECO | Opening | Games |
| B45 | Sicilian, Taimanov variation | 6 games |
| B30 | Sicilian defence | 3 games |
| B21 | Sicilian, Grand Prix attack | 2 games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 1 games |


Netherlands