Dorfman, Isaac
Current rating: 1482
Record: 1-2
| Grand Prix Washington DC 1999 (UDS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 78 | Morales, Manuel (1500) | Lost 0-0 | -181482 |
| 2sealed | 112 | LeBron, Benjamin (1482) | Won 0-0 | +181500 |
| 3sealed | 162 | Mahon, John (1500) | Lost 0-0 | -181482 |
| average opponent: 1494record: 1-2 | new rating: 1482 | |||