Pinkham, Charles
Current rating: 1480
Record: 2-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 593 | Balimt, Joe (1500) | Won 2-1 | +181518 |
| 2sealed | 499 | Lugiano, Chris (1456) | Won 2-1 | +171535 |
| 3sealed | 463 | Thomas, David S (1505) | Lost 0-2 | -191516 |
| 4sealed | 604 | Hinojosa, Edwin (1516) | Lost 0-2 | -181498 |
| 5sealed | 632 | Jones, Brandon (1498) | Lost 0-2 | -181480 |
| average opponent: 1495record: 2-3 | new rating: 1480 | |||