Hamilton, William
Current rating: 1389
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 102 | Ash, Ray (1451) | Lost 0-2 | -181460 |
| 2modern | 947 | Speaker, Sean (1482) | Lost 0-2 | -181442 |
| 4modern | 747 | Romero, Francisco (1466) | Lost 0-2 | -181424 |
| 5modern | 1386 | Allen, Tristan (1445) | Lost 0-2 | -171407 |
| 6modern | 723 | Torres, Myles (1447) | Lost 0-2 | -181389 |
| top | average opponent: 1458record: 0-5 | new rating: 1389 | ||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Stewart, Jaclyn (1500) | Won 2-1 | +181496 |
| 2standard | 136 | Sanders, Donald (1518) | Lost 1-2 | -171479 |
| 3standard | 389 | Giddins, John (1500) | Lost 0-2 | -181461 |
| 4standard | 426 | Greazel, Peyton (1402) | Won 2-1 | +171478 |
| 5standard | 380 | Schenck, Keith (1414) | Won 2-0 | +171495 |
| 6standard | 178 | Koson, Todd (1568) | Lost 0-2 | -171478 |
| top | average opponent: 1484record: 3-3 | new rating: 1478 | ||
| Grand Prix Atlanta 2014 (JOU limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 255 | Peeso, George (1500) | Won 2-1 | +181518 |
| 2sealed | 258 | Morgan, McKinley (1501) | Lost 1-2 | -181500 |
| 3sealed | 610 | Taylor, Davin (1500) | Lost 1-2 | -181482 |
| 4sealed | 741 | Pierson, Russell (1468) | Won 2-0 | +171499 |
| 5sealed | 551 | Wheeler, Chris (1451) | Lost 0-2 | -181481 |
| 6sealed | 639 | Dorriety, Megan (1448) | Draw 1-1 | -11480 |
| 7sealed | 561 | Yin, Kitty (1399) | Lost 0-2 | -201460 |
| 8sealed | 488 | Meola, Nicholas (1462) | Won 2-1 | +191479 |
| 9sealed | 439 | Wolfe, Jeremy (1433) | Draw 1-1 | -11478 |
| top | average opponent: 1463record: 3-4-2 | new rating: 1478 | ||