RUMBEL, CARL D
Current rating: 1481
Record: 1-2-1
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 644 | Watson, Derek R (1500) | Lost 1-2 | -181482 |
| 2standard | 965 | Brown, James (1427) | Lost 1-2 | -191463 |
| 3standard | 977 | Rodermund, John (1463) | Won 2-0 | +181481 |
| 4standard | 990 | Skrypov, Igor (1459) | Draw 1-1 | 01481 |
| average opponent: 1462record: 1-2-1 | new rating: 1481 | |||