Mancill, Sam R
Current rating: 1518
Record: 4-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 66 | Rosenberg, Zeke (1500) | Won 2-1 | +181518 |
| 2sealed | 325 | Downs, Jacob A (1518) | Won 2-0 | +181536 |
| 3sealed | 39 | Bemrose, Ryan (1466) | Lost 1-2 | -191517 |
| 4sealed | 160 | Blanchard, Wes (1591) | Won 2-0 | +191536 |
| 5sealed | 253 | Anderson, Kyle (1517) | Won 2-0 | +181554 |
| 6sealed | 47 | LEONARD, NEIL (1553) | Lost 0-2 | -181536 |
| 7sealed | 223 | Chow, Jeff (1528) | Lost 0-2 | -181518 |
| average opponent: 1525record: 4-3 | new rating: 1518 | |||