Gwin, Joe
Current rating: 1446
Record: 1-4
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 116 | Frias, Marc (1500) | Lost 0-2 | -181482 |
| 2standard | 385 | Kelahan, Seamus (1542) | Lost 0-2 | -171465 |
| 3standard | 405 | Padinha, Stephen (1429) | Lost 0-2 | -191446 |
| 4standard | 436 | Brown, Rebecca (1445) | Won 2-0 | +181464 |
| 5standard | 351 | Allen, Ryan (1463) | Lost 1-2 | -181446 |
| average opponent: 1476record: 1-4 | new rating: 1446 | |||