Vollendorf, David
Current rating: 1481
Record: 2-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | Sullivan, Kyle (1483) | Won 2-0 | +181518 |
| 2sealed | 330 | Haugen, David (1518) | Won 2-1 | +181536 |
| 3sealed | 173 | McLaughlin, Patrick (1516) | Lost 0-2 | -191517 |
| 4sealed | 252 | Welch, Colin (1533) | Lost 1-2 | -171500 |
| 5sealed | 448 | O'Higgins, Tadhg (1470) | Lost 1-2 | -191481 |
| average opponent: 1504record: 2-3 | new rating: 1481 | |||