Pacheco, James D
Current rating: 1463
Record: 1-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 470 | Griffith, Matthew L (1500) | Lost 1-2 | -181482 |
| 2sealed | 620 | Dreher, Gregory (1482) | Lost 0-2 | -181464 |
| 3sealed | 697 | Lobue, Christopher M (1465) | Won 2-0 | +181482 |
| 4sealed | 633 | Dettman, Rob (1435) | Lost 0-2 | -191463 |
| average opponent: 1470record: 1-3 | new rating: 1463 | |||