Alfieri, William
Current rating: 1425
Record: 2-6
| Grand Prix Toronto 2017 (HOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Crowley, Michael (1504) | Won 2-1 | +181518 |
| 2sealed | 6 | Cameron, Shaun (1386) | Lost 0-2 | -201498 |
| 3sealed | 376 | Lue, Wen-Hao (1500) | Lost 0-2 | -181480 |
| 4sealed | 534 | Kenkel, Ray (1482) | Won 2-0 | +181498 |
| 5sealed | 456 | Maheu, Jake (1455) | Lost 1-2 | -191479 |
| 6sealed | 443 | Alton, Mathew (1468) | Lost 0-2 | -181461 |
| 7sealed | 456 | Shieck, Carter (1465) | Lost 0-2 | -181443 |
| 8sealed | 403 | Kruse, Deric (1444) | Lost 0-2 | -181425 |
| average opponent: 1463record: 2-6 | new rating: 1425 | |||