Merriman-Cohen, Jeff
Current rating: 1507
Record: 3-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 24 | Weller-Gordon, Brian (1500) | Won 2-0 | +181518 |
| 2sealed | 162 | Koven, Robert (1496) | Lost 0-2 | -181500 |
| 3sealed | 396 | Richards, Michelle (1500) | Won 2-0 | +181518 |
| 4sealed | 275 | Aune, Eirik (1684) | Lost 0-2 | -151503 |
| 5sealed | 413 | Collins, Sean (1602) | Won 2-0 | +191522 |
| 6sealed | 190 | Dolbeer, Jed (1669) | Lost 0-2 | -151507 |
| average opponent: 1575record: 3-3 | new rating: 1507 | |||