Rookey, Karl
Current rating: 1469
Record: 7-9-1
| Grand Prix Boston 2003 (LGN limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Sorel, Derek (1498) | Lost 0-2 | -181463 |
| 2sealed | 234 | Micari, Frank (1482) | Won 2-1 | +181481 |
| 3sealed | 123 | Lambert, Eric (1499) | Won 2-0 | +191500 |
| 4sealed | 147 | Moynihan, Ed (1551) | Lost 1-2 | -171483 |
| 5sealed | 146 | Matson, Peter (1500) | Won 2-1 | +181501 |
| 6sealed | 123 | Gerhardt, Scott (1639) | Lost 0-2 | -161485 |
| 7sealed | 130 | Schwartz, Greg (1413) | Lost 0-2 | -191466 |
| 8sealed | 101 | Chapman, Ben (1486) | Won 2-0 | +181484 |
| 9sealed | 76 | Fischer, Adam (1617) | Lost 0-2 | -151469 |
| average opponent: 1520record: 4-5 | new rating: 1469 | |||
| Grand Prix Boston 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Siu, Brian (1500) | Lost 1-2 | -181482 |
| 2sealed | 182 | Mansur, Joanne (1482) | Won 2-0 | +181500 |
| 3sealed | 173 | Ozbasli, Hakki (1474) | Draw 1-1 | 01500 |
| 4sealed | 180 | Katze, Rick (1500) | Lost 0-2 | -181482 |
| 5sealed | 184 | Johnson, Max (1464) | Won 2-1 | +171499 |
| 6sealed | 140 | Pietrasz, Jacob (1481) | Lost 0-2 | -181481 |
| 7sealed | 123 | Van Velsor, Eric (1464) | Lost 1-2 | -181463 |
| 8sealed | 104 | DeGraw, David (1465) | Won 2-1 | +181481 |
| average opponent: 1479record: 3-4-1 | new rating: 1481 | |||