Williams, Joshua A
Current rating: 1462
Record: 3-5
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 146 | Kepler, Jonathan (1499) | Lost 0-2 | -181482 |
| 2legacy | 358 | Rhodes, David (1482) | Won 2-0 | +181500 |
| 3legacy | 305 | Carriere, Dustin (1500) | Won 1-0 | +181518 |
| 4legacy | 124 | DeGrendel, Frank (1499) | Lost 0-2 | -181500 |
| 5legacy | 281 | Crownhart, Brian J (1414) | Lost 0-2 | -201480 |
| 6legacy | 300 | Koie, Kayvan (1482) | Lost 1-2 | -181462 |
| 7legacy | 282 | Sturgeon, Kelley (1463) | Won 2-0 | +181480 |
| 8legacy | 219 | Grollman, Joseph L (1481) | Lost 0-2 | -181462 |
| average opponent: 1477record: 3-5 | new rating: 1462 | |||