Choy, Jonathan
Current rating: 1481
Record: 3-4-1
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 104 | Warren, Richard (1500) | Won 2-0 | +181518 |
| 2block | 231 | Mullis, Jacob (1518) | Won 2-1 | +181536 |
| 3block | 39 | Margolin, Yan (1540) | Lost 1-2 | -181518 |
| 4block | 146 | Strauch, Kevin (1483) | Draw 1-1 | -11517 |
| 5block | 211 | Puchol-Salva, Alex (1517) | Lost 1-2 | -181499 |
| 6block | 271 | Moscatelli, Darren (1500) | Won 2-1 | +181517 |
| 7block | 199 | Mehta, Darshan (1518) | Lost 0-2 | -181499 |
| 8block | 202 | Zimmermann, Jared (1499) | Lost 1-2 | -181481 |
| average opponent: 1509record: 3-4-1 | new rating: 1481 | |||