Umber, Jean
Current rating: 1462
Record: 2-4
| Grand Prix Lyon 2012 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 502 | Noe, Jonathan (1480) | Lost 0-2 | -181482 |
| 2modern | 725 | Cabrero, Joan (1483) | Lost 0-2 | -181464 |
| 3modern | 776 | Veyssi, Shervin (1500) | Lost 1-2 | -181446 |
| 4modern | 803 | Eisner, Axel (1452) | Won 2-0 | +181464 |
| 5modern | 763 | Leber, Denis (1418) | Won 2-1 | +181482 |
| 6modern | 752 | Malaussena, Fabrice (1421) | Lost 1-2 | -201462 |
| average opponent: 1459record: 2-4 | new rating: 1462 | |||