Chen, Bob
Current rating: 1482
Record: 4-5
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 402 | French, Michael (1453) | Won 2-1 | +171517 |
| 2sealed | 146 | Morgan, Isadore (1501) | Lost 0-2 | -181499 |
| 3sealed | 350 | Shepherd, Paxton (1500) | Won 2-0 | +181517 |
| 4sealed | 314 | Haney, Jeremy (1543) | Lost 1-2 | -181499 |
| 5sealed | 375 | Konrady, Benjamin W (1595) | Won 2-1 | +201519 |
| 6sealed | 211 | Vannelli, Daniel (1485) | Won 2-1 | +171536 |
| 7sealed | 196 | Godels, Brent (1535) | Lost 1-2 | -181518 |
| 8sealed | 201 | Ossiff, Michael (1519) | Lost 1-2 | -181500 |
| 9sealed | 151 | deline, aaron (1467) | Lost 1-2 | -181482 |
| average opponent: 1511record: 4-5 | new rating: 1482 | |||