Corthell, David
Current rating: 1464
Record: 1-3
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 96 | Edelkamp, Erik (1538) | Lost 0-2 | -171483 |
| 2standard | 326 | Park, Greg (1482) | Lost 1-2 | -181465 |
| 3standard | 375 | Weidig, Hans F (1465) | Won 2-0 | +181483 |
| 4standard | 359 | Padinha, Stephen (1448) | Lost 0-2 | -191464 |
| average opponent: 1483record: 1-3 | new rating: 1464 | |||