Ostrowski, Roy
Current rating: 1494
Record: 4-4
| Grand Prix Lille 2018 (GRN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 237 | Wulf, Felix (1500) | Lost 0-2 | -181482 |
| 2standard | 457 | Lefebvre, Adrien (1398) | Lost 0-2 | -201462 |
| 3standard | 632 | Birinci, Ozan (1467) | Lost 1-2 | -171445 |
| 4standard | 646 | Barthel, Jeff (1450) | Won 2-0 | +181463 |
| 5standard | 557 | Louviot, Alice (1462) | Won 2-0 | +181481 |
| 6standard | 519 | Manant, Fabrice (1362) | Won 2-0 | +151496 |
| 7standard | 333 | Schwan, Yohann (1399) | Won 2-0 | +171513 |
| 8standard | 280 | Hocedez, Corentin (1499) | Lost 1-2 | -191494 |
| average opponent: 1442record: 4-4 | new rating: 1494 | |||