Obendorf, Keston
Current rating: 1517
Record: 3-2
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Emerick, Wesley (1500) | Won 2-1 | +181518 |
| 2sealed | 303 | Illum, Jared (1518) | Won 2-0 | +181536 |
| 3sealed | 156 | Flores, Edgar (1455) | Won 2-1 | +171553 |
| 4sealed | 62 | Hughes, Levi (1554) | Lost 0-2 | -181535 |
| 5sealed | 131 | Custer, Nicolas (1569) | Lost 0-2 | -181517 |
| average opponent: 1519record: 3-2 | new rating: 1517 | |||