Callahan, Thomas
Current rating: 1500
Record: 4-4
| Grand Prix Minneapolis 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 44 | Mabyshew, Greg (1500) | Lost 0-2 | -181482 |
| 2block | 105 | Woyak, Ben (1482) | Won 2-1 | +181500 |
| 3block | 69 | Nuber, Nick (1500) | Lost 1-2 | -181482 |
| 4block | 158 | Scheer, Skyler (1484) | Lost 0-2 | -181464 |
| 5block | 151 | Mickols, Eric (1464) | Won 2-1 | +181482 |
| 6block | 121 | Hairgrove, Brian (1484) | Won 2-0 | +181500 |
| 7block | 83 | Hawkins, Eric (1518) | Lost 0-2 | -181482 |
| 8block | 75 | Tang, Jason (1482) | Won 2-1 | +181500 |
| average opponent: 1489record: 4-4 | new rating: 1500 | |||