Wilson, Ken W
Current rating: 1482
Record: 2-3
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 137 | Schneider, Colin (1500) | Won 2-1 | +181518 |
| 2standard | 41 | Seavy, Joseph F (1518) | Lost 0-2 | -181500 |
| 3standard | 278 | Wells, Vern (1499) | Lost 1-2 | -181482 |
| 4standard | 426 | Cates, Jackie (1482) | Won 2-1 | +181500 |
| 5standard | 307 | Petterson, David (1499) | Lost 0-2 | -181482 |
| average opponent: 1500record: 2-3 | new rating: 1482 | |||