Witt, Joshua
Current rating: 1481
Record: 1-2-1
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 271 | Serrano, Robert J (1500) | Draw 1-1 | 01500 |
| 2standard | 246 | Allen, Jules (1482) | Won 2-1 | +181518 |
| 3standard | 140 | Coffey, Douglas A (1500) | Lost 1-2 | -191499 |
| 4standard | 282 | Flanagan, Anthony (1500) | Lost 1-2 | -181481 |
| average opponent: 1496record: 1-2-1 | new rating: 1481 | |||