Williams, Toby
Current rating: 1478
Record: 11-12-3
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 350 | Sweeney, Andrew (1500) | Lost 1-2 | -181478 |
| top | record: 0-1 | new rating: 1478 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 122 | Brewer, Justin (1500) | Lost 1-2 | -191496 |
| top | record: 0-1 | new rating: 1496 | ||
| Grand Prix Houston 2010 (extended) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 198 | Dugas, Seth T (1500) | Won 2-1 | +171553 |
| 2extended | 116 | Clark, Eric (1518) | Lost 1-2 | -181535 |
| 3extended | 206 | Womack, Jeffrey (1503) | Won 2-1 | +171552 |
| 4extended | 140 | Tucker, Bo (1517) | Lost 1-2 | -191533 |
| 5extended | 180 | Pennock, Chris T (1499) | Lost 1-2 | -181515 |
| top | average opponent: 1507record: 2-3 | new rating: 1515 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 7 | Solorio, Bob P (1500) | Lost 0-2 | -191519 |
| 2sealed | 323 | Zhu, Yang-Yang (1482) | Lost 0-2 | -181501 |
| 3sealed | 313 | Gregory, Lorne (1466) | Won 2-1 | +171518 |
| 4sealed | 257 | Clougherty, John (1627) | Won 2-1 | +201538 |
| 5sealed | 229 | Mendonca, Justin (1455) | Won 2-0 | +161554 |
| 6sealed | 134 | Alatis, Eric (1521) | Lost 1-2 | -181536 |
| top | average opponent: 1509record: 3-3 | new rating: 1536 | ||
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1542 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 237 | Acton, Jeffrey (1500) | Draw 1-1 | 01542 |
| 2extended | 212 | Pham, John (1501) | Lost 1-2 | -191523 |
| 3extended | 317 | Lopez, Daniel (1448) | Won 2-0 | +161539 |
| 4extended | 284 | Dipadua, James (1499) | Won 2-1 | +181557 |
| 5extended | 202 | Rosenthal, Michael 2 (1517) | Lost 1-2 | -191538 |
| top | average opponent: 1493record: 2-2-1 | new rating: 1538 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 131 | Echevarria, Shane (1516) | Won 2-0 | +181518 |
| 2extended | 180 | Diaz, Andy (1518) | Draw 1-1 | 01518 |
| 3extended | 174 | Anderegg, William (1519) | Draw 0-0 | 01518 |
| 4extended | 300 | Thompson, Noel (1501) | Won 2-0 | +181536 |
| 5extended | 206 | Novekoff, Jeff (1821) | Won 2-1 | +231559 |
| 6extended | 130 | Barnett, Noah (1588) | Lost 0-2 | -171542 |
| 7extended | 200 | Bourroughs, Chris (1537) | Won 2-0 | +181560 |
| 8extended | 136 | Goh, Darwin (1602) | Lost 1-2 | -181542 |
| top | average opponent: 1575record: 4-2-2 | new rating: 1542 | ||