Weiss, Erron W
Current rating: 1483
Record: 2-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 502 | Lewis, Chris L (1533) | Won 2-0 | +191519 |
| 2sealed | 224 | Conlin, Morgan (1466) | Won 2-0 | +171536 |
| 3sealed | 11 | Hughes, Levi (1536) | Lost 1-2 | -181518 |
| 4sealed | 196 | Grother, Aaron (1578) | Lost 1-2 | -171501 |
| 5sealed | 408 | Duong, Bill (1501) | Lost 1-2 | -181483 |
| average opponent: 1523record: 2-3 | new rating: 1483 | |||