Masson, Charles
Current rating: 1490
Record: 4-5
| Grand Prix Lyon 2010 (ROE limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 555 | Maillot, Victor (1446) | Won 2-1 | +171517 |
| 2sealed | 561 | Stoeckel, Philippe (1517) | Won 2-0 | +181535 |
| 3sealed | 601 | Porojan, Raul (1852) | Lost 0-2 | -121523 |
| 4sealed | 667 | Pichetto, Filippo (1503) | Lost 1-2 | -191504 |
| 5sealed | 682 | Maier, Jordan (1526) | Lost 0-2 | -171487 |
| 6sealed | 705 | Cadiau, Pierre (1483) | Won 0-0 | +181505 |
| 7sealed | 652 | Notting, Wander (1546) | Won 2-1 | +181523 |
| 8sealed | 605 | Olarte Ovalle, Alvaro Edward (1619) | Lost 1-2 | -161507 |
| 9sealed | 587 | Lacorre, Remi (1544) | Lost 0-2 | -171490 |
| average opponent: 1559record: 4-5 | new rating: 1490 | |||