Cobian, Dio
Current rating: 1521
Record: 3-2
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 232 | Eickhoff, Jon (1500) | Won 2-0 | +181518 |
| 2standard | 81 | Cobb, Bernard (1518) | Won 2-0 | +181536 |
| 3standard | 51 | Kahlo, Kory H (1536) | Lost 1-2 | -181518 |
| 4standard | 210 | Buckingham, James (1712) | Won 2-0 | +221540 |
| 5standard | 146 | Taylor, Jonathan R (1537) | Lost 1-2 | -191521 |
| average opponent: 1561record: 3-2 | new rating: 1521 | |||