Adamson, Koby
Current rating: 1446
Record: 2-5
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Fleig, Sam (1500) | Lost 0-2 | -181482 |
| 2sealed | 563 | Cooke, Cody (1482) | Lost 0-2 | -181464 |
| 3sealed | 543 | Armstrong, Justin (1464) | Lost 1-2 | -181446 |
| 4sealed | 583 | SORG, SKYLER (1446) | Won 2-0 | +181464 |
| 5sealed | 463 | Stape, Christopher (1465) | Lost 1-2 | -181446 |
| 6sealed | 393 | Himlie, Cameron (1446) | Won 2-1 | +181464 |
| 7sealed | 305 | Timodaiski, Samuel (1464) | Lost 0-2 | -181446 |
| average opponent: 1467record: 2-5 | new rating: 1446 | |||