Petrus, Thomas
Current rating: 1484
Record: 3-4
| Grand Prix Lyon 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 618 | Gianini, Maurizio (1516) | Lost 1-2 | -181482 |
| 2modern | 720 | Labenne, Romain (1483) | Won 2-0 | +181500 |
| 3modern | 517 | Timmins, Guillaume (1490) | Won 2-1 | +181518 |
| 4modern | 515 | Boussard, Sylvain (1529) | Won 2-1 | +181536 |
| 5modern | 308 | Van Der Mee, Chris (1540) | Lost 0-2 | -181518 |
| 6modern | 450 | Moragriega Alonso, Marc (1599) | Lost 0-2 | -161502 |
| 7modern | 481 | Aucher, Anthony (1508) | Lost 0-2 | -181484 |
| average opponent: 1523record: 3-4 | new rating: 1484 | |||