Duong, Bill
Current rating: 1502
Record: 4-4
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Burnham, Michael (1498) | Won 2-1 | +181518 |
| 2sealed | 323 | Cross, Matthew P (1522) | Lost 1-2 | -181500 |
| 3sealed | 428 | Van Druten, John (1500) | Won 2-1 | +181518 |
| 4sealed | 217 | Forner, Matthew (1597) | Lost 0-2 | -171501 |
| 5sealed | 408 | Weiss, Erron W (1501) | Won 2-1 | +181519 |
| 6sealed | 216 | Foshaug, Aaron (1519) | Won 2-1 | +181537 |
| 7sealed | 213 | Chamberlin, Skylr (1538) | Lost 0-2 | -181519 |
| 8sealed | 185 | Bandy, Jason L (1565) | Lost 0-2 | -171502 |
| average opponent: 1530record: 4-4 | new rating: 1502 | |||