Jefferson, David
Current rating: 1463
Record: 3-5
| Grand Prix Detroit 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 92 | Price, Nathanial (1482) | Won 2-1 | +181518 |
| 2sealed | 100 | Marks, Jason (1616) | Lost 0-2 | -171501 |
| 3sealed | 152 | Hur, Lawrence (1502) | Lost 0-2 | -181483 |
| 4sealed | 202 | Strucinski, Jason (1466) | Won 2-0 | +181501 |
| 5sealed | 172 | Phelan, Kevin (1503) | Won 2-0 | +181519 |
| 6sealed | 112 | Rochon, Christian (1432) | Lost 1-2 | -191500 |
| 7sealed | 118 | Dolloff, Tim (1500) | Lost 0-2 | -181482 |
| 8sealed | 112 | Delany, Michael (1470) | Lost 0-2 | -191463 |
| average opponent: 1496record: 3-5 | new rating: 1463 | |||