Chamberlain, James
Current rating: 1484
Record: 5-6
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 68 | Bilz, Dylan J (1500) | Won 2-1 | +181520 |
| 2block | 55 | Pine, Raymond (1518) | Won 2-0 | +181538 |
| 3block | 47 | Stanford, Jarred (1518) | Lost 1-2 | -181520 |
| 4block | 253 | Roche, Michael [USA] (1558) | Lost 0-2 | -181502 |
| 5block | 326 | Kregetz, Scott (1497) | Lost 0-2 | -181484 |
| average opponent: 1518record: 2-3 | new rating: 1484 | |||
| Grand Prix Orlando 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 37 | Levy, Mark A (1500) | Won 2-0 | +181518 |
| 2block | 68 | Miller, Kevin (1517) | Lost 0-2 | -181500 |
| 3block | 90 | Lyon, Kristine (1500) | Won 2-0 | +181518 |
| 4block | 96 | Jarmak, Chris (1518) | Lost 0-2 | -181500 |
| 5block | 116 | Mitchell, Brian (1502) | Won 2-0 | +181518 |
| 6block | 125 | Steht, Lee (1624) | Lost 0-2 | -161502 |
| average opponent: 1527record: 3-3 | new rating: 1502 | |||