Marquez, Joseph
Current rating: 1448
Record: 1-4
| Grand Prix Anaheim 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 37 | Pan, Phimus (1500) | Lost 0-2 | -181482 |
| 3extended | 65 | Carter, Tom (1519) | Won 2-1 | +191501 |
| 4extended | 68 | Cameron, Christopher (1522) | Lost 1-2 | -181483 |
| 5extended | 85 | Rocha, Alejandro (1500) | Lost 0-2 | -181465 |
| 6extended | 89 | Yelm, Andrew (1483) | Lost 1-2 | -171448 |
| average opponent: 1505record: 1-4 | new rating: 1448 | |||