Guillaumin, Thomas
Current rating: 1428
Record: 1-5
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 242 | Toublanc, Alexis (1434) | Lost 0-2 | -181446 |
| 2sealed | 342 | Robert, Abraham (1466) | Won 2-1 | +181464 |
| 3sealed | 228 | Silva, Ivo (1559) | Lost 0-2 | -161448 |
| 4sealed | 326 | Csik, Csaba (1364) | Lost 1-2 | -201428 |
| average opponent: 1456record: 1-3 | new rating: 1428 | |||
| Grand Prix Paris 2008 (ALA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Cavenaile, Mathieu (1548) | Lost 0-2 | -171483 |
| 2sealed | 371 | Legros, Yoann (1439) | Lost 0-2 | -191464 |
| average opponent: 1494record: 0-2 | new rating: 1464 | |||