Olmstead, Tony
Current rating: 1483
Record: 2-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Waugh, Cameron (1500) | Won 2-0 | +181518 |
| 2sealed | 184 | Higgins, Jeffrey S (1518) | Lost 1-2 | -181500 |
| 3sealed | 261 | Tefft-Meeker, Paul (1495) | Won 2-1 | +181518 |
| 4sealed | 277 | Parker, Matt D (1483) | Lost 0-2 | -191499 |
| 5sealed | 331 | Lu, John [CAN] (1567) | Lost 1-2 | -161483 |
| average opponent: 1513record: 2-3 | new rating: 1483 | |||