Williams, Desmond
Current rating: 1421
Record: 3-8-1
| Grand Prix Portland 2013 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 76 | Dunks, Jess (1579) | Lost 0-2 | -161413 |
| 2modern | 333 | Griffith, Daniel (1429) | Won 2-0 | +191432 |
| 3modern | 156 | Tsuchimochi, Hiroyoshi (1499) | Lost 0-2 | -171415 |
| 4modern | 363 | Mills, Alec (1482) | Won 2-0 | +191434 |
| 5modern | 274 | Hatch, Gregory (1728) | Lost 1-2 | -131421 |
| average opponent: 1544record: 2-3 | new rating: 1421 | |||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 485 | O'Brien, Travis (1500) | Lost 0-2 | -181482 |
| 2sealed | 686 | Freese, Brian L (1481) | Lost 1-2 | -181464 |
| 3sealed | 712 | Tomblinson, Richard (1363) | Draw 1-1 | -21462 |
| 4sealed | 717 | Gould, Rayne (1485) | Won 2-0 | +191481 |
| 5sealed | 663 | Klein, Steven (1567) | Lost 1-2 | -171464 |
| 6sealed | 624 | Loya, Juan (1468) | Lost 0-2 | -181446 |
| 7sealed | 580 | Quinonez, Kendall (1465) | Lost 1-2 | -171429 |
| average opponent: 1476record: 1-5-1 | new rating: 1429 | |||