theuns, Carl
Current rating: 1508
Record: 6-6
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 312 | Buijs, Joost (1500) | Lost 1-2 | -171431 |
| 2extended | 307 | Bronsgeest, Bas (1481) | Won 2-0 | +191450 |
| 3extended | 287 | Stals, Mark (1500) | Lost 1-2 | -171433 |
| 4extended | 339 | Yekta, Mucahit (1482) | Won 2-1 | +191452 |
| 5extended | 311 | Sels, Inge (1535) | Won 2-0 | +191471 |
| 6extended | 225 | Linssen, Frank (1517) | Won 2-1 | +191490 |
| 7extended | 110 | Joist, Dennis (1495) | Lost 1-2 | -181472 |
| 8extended | 189 | Castano, Joan (1511) | Won 2-1 | +191491 |
| 9extended | 109 | van Medevoort, Robert (1474) | Won 2-0 | +171508 |
| average opponent: 1499record: 6-3 | new rating: 1508 | |||
| Grand Prix Brussels 2004 (DST standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Kelterbaum, Richard (1500) | Lost 0-2 | -181482 |
| 2standard | 248 | Neyens, Kris (1482) | Lost 0-2 | -181464 |
| 3standard | 326 | Geuze, Henk-Jan (1566) | Lost 0-2 | -161448 |
| average opponent: 1516record: 0-3 | new rating: 1448 | |||