Herduin, Francois
Current rating: 1445
Record: 1-4-2
| Grand Prix Paris 2004 (COK limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 177 | Norgaard, Mikkel (1452) | Lost 0-2 | -191462 |
| 2sealed | 302 | Tan, Long (1482) | Lost 0-2 | -171445 |
| average opponent: 1467record: 0-2 | new rating: 1445 | |||
| Grand Prix Reims 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 247 | Kedryna, Jerome (1472) | Draw 1-1 | -11499 |
| 2extended | 218 | Giusti, Matthieu (1500) | Won 2-0 | +191518 |
| 3extended | 123 | Knop, Darren (1487) | Draw 1-1 | -11517 |
| 4extended | 238 | Quintana, Lain (1517) | Lost 0-2 | -181499 |
| 5extended | 292 | Schneider, Peter (1500) | Lost 0-2 | -181481 |
| average opponent: 1495record: 1-2-2 | new rating: 1481 | |||