Groh, Doug K
Current rating: 1446
Record: 0-3
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 98 | Tsoi, Joey (1503) | Lost 0-2 | -181482 |
| 2standard | 344 | Johnson, Audrey (1483) | Lost 0-2 | -181464 |
| 3standard | 436 | Ruppert, James (1463) | Lost 1-2 | -181446 |
| average opponent: 1483record: 0-3 | new rating: 1446 | |||