Williams, Joel A
Current rating: 1520
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 203 | Barnes, Tavian (1500) | Won 2-1 | +181498 |
| 2legacy | 296 | Oberholtzer, Matt P (1464) | Won 2-0 | +181516 |
| 3legacy | 18 | Carpenter, Ryan (1688) | Won 2-1 | +211537 |
| 4legacy | 109 | Owensby, Shawn (1541) | Draw 1-1 | 01537 |
| 5legacy | 93 | Fry, Eric (1538) | Won 2-0 | +181555 |
| 6legacy | 373 | Dank, Jason (1605) | Lost 0-2 | -171538 |
| 7legacy | 118 | Clark, Michael P (1577) | Lost 0-2 | -181520 |
| top | average opponent: 1559record: 4-2-1 | new rating: 1520 | ||
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 282 | Bell, Courtney (1500) | Won 1-0 | +181518 |
| 2sealed | 276 | Noyes, Allan (1483) | Won 2-1 | +181536 |
| 3sealed | 109 | Painter, Jameson (1536) | Lost 0-2 | -181518 |
| 4sealed | 321 | Carlson, Mark 2 (1413) | Lost 1-2 | -201498 |
| 5sealed | 335 | Kohman, Josh (1500) | Lost 0-2 | -181480 |
| top | average opponent: 1486record: 2-3 | new rating: 1480 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 224 | Humphres, Kyle L (1500) | Lost 0-2 | -181482 |
| 3legacy | 280 | Olson, Daniel A (1500) | Won 2-1 | +181500 |
| 4legacy | 171 | Hines, Stephen R (1483) | Lost 1-2 | -181482 |
| 5legacy | 316 | Kessel, Justin (1499) | Won 2-0 | +181500 |
| top | average opponent: 1495record: 2-2 | new rating: 1500 | ||