Guignont, William
Current rating: 1428
Record: 5-9
| Grand Prix Lyon 2003 (MRD limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Dangleterre, Francois Xavier (1553) | Lost 0-2 | -161480 |
| 2sealed | 410 | Hatron, Mickael (1482) | Won 2-0 | +181498 |
| 3sealed | 289 | Gache, Francois (1572) | Lost 0-2 | -171481 |
| 4sealed | 325 | Gonday, Pierre-Yves (1526) | Lost 1-2 | -171464 |
| 5sealed | 374 | Jambon, Gregory (1464) | Lost 1-2 | -181446 |
| 6sealed | 383 | Chazal, Gildas (1445) | Lost 0-2 | -181428 |
| average opponent: 1507record: 1-5 | new rating: 1428 | |||
| Grand Prix Reims 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 219 | Nicaise, Jessica (1500) | Won 2-0 | +181518 |
| 2extended | 162 | Jourde, Frederic (1518) | Won 2-0 | +181536 |
| 3extended | 94 | Bertos, Nicolas (1378) | Lost 0-2 | -211515 |
| 4extended | 127 | Rossi, Claudio (1570) | Lost 0-2 | -171498 |
| 5extended | 288 | Magnin, Fabien (1500) | Won 2-1 | +181516 |
| 6extended | 174 | L'Abbe, Pascal (1461) | Lost 1-2 | -191497 |
| 7extended | 184 | Liebert, Sebastien (1501) | Lost 1-2 | -181479 |
| 8extended | 192 | Khokhlova, Anastasia (1437) | Won 2-1 | +171496 |
| average opponent: 1483record: 4-4 | new rating: 1496 | |||