Lewis, William B
Current rating: 1442
Record: 2-5
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 118 | Nguyen, Tan-Tai (1510) | Lost 0-2 | -181482 |
| 2standard | 287 | Allen, Tim (1340) | Lost 1-2 | -201462 |
| 3standard | 493 | Williams, Kai (1456) | Lost 1-2 | -181444 |
| 4standard | 519 | Cliad, Antonio (1360) | Won 2-0 | +161460 |
| 5standard | 439 | Cebulski, Marcin (1464) | Lost 0-2 | -181442 |
| 6standard | 403 | Dondon, Arnaud (1445) | Lost 0-2 | -181424 |
| 7standard | 333 | Jackson, Graham (1444) | Won 2-1 | +181442 |
| average opponent: 1431record: 2-5 | new rating: 1442 | |||