Dif, Sofien
Current rating: 1515
Record: 4-3
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 432 | Guegan, Frederic (1500) | Won 2-0 | +181518 |
| 2sealed | 105 | Tranchant, Hugo (1319) | Won 2-0 | +141532 |
| 3sealed | 25 | Billiau, Michel (1251) | Lost 1-2 | -231509 |
| 4sealed | 246 | De Las Heras, Cyril (1540) | Lost 0-2 | -171492 |
| 5sealed | 466 | Sending, Valemon (1617) | Won 2-0 | +201512 |
| 6sealed | 395 | Fremont, Nicolas (1537) | Won 2-0 | +191531 |
| 7sealed | 359 | Renaille, Gaetan (1656) | Lost 0-2 | -161515 |
| average opponent: 1489record: 4-3 | new rating: 1515 | |||