Koop, Phillip R
Current rating: 1523
Record: 5-4
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 138 | Kipperman, Kyle (1500) | Won 2-0 | +181518 |
| 2sealed | 227 | Smith, Steven P (1518) | Won 2-1 | +181536 |
| 3sealed | 14 | Tsang, Terry (1819) | Lost 1-2 | -131523 |
| 4sealed | 294 | Blunt, Casey (1501) | Won 2-0 | +181541 |
| 5sealed | 217 | Koenig, Ryan (1534) | Won 2-0 | +181559 |
| 6sealed | 53 | Smith, Buck (1553) | Won 2-0 | +171576 |
| 7sealed | 92 | Lee, Alan 2 (1572) | Lost 1-2 | -181558 |
| 8sealed | 158 | Koven, Robert (1538) | Lost 0-2 | -181540 |
| 9sealed | 129 | Marr, Mat (1613) | Lost 0-2 | -171523 |
| average opponent: 1572record: 5-4 | new rating: 1523 | |||