Williams, William
Current rating: 1434
Record: 2-6
| Grand Prix Providence 2011 (legacy) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 467 | Thorn, Adam (1497) | Lost 1-2 | -171447 |
| 5legacy | 530 | Garvin, Grant N (1483) | Won 2-0 | +181465 |
| 6legacy | 444 | Trufasiu, Razvan (1506) | Lost 1-2 | -171448 |
| 7legacy | 489 | Stack, Alexander R (1536) | Won 2-0 | +201468 |
| 8legacy | 487 | Larivee, Matthew (1536) | Lost 1-2 | -171451 |
| 9legacy | 485 | M., Chris (1506) | Lost 1-2 | -171434 |
| average opponent: 1511record: 2-4 | new rating: 1434 | |||
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 202 | Speight, Pat G (1500) | Lost 0-2 | -181482 |
| 2sealed | 280 | Guss, Max (1481) | Lost 0-2 | -181464 |
| average opponent: 1491record: 0-2 | new rating: 1464 | |||