Broughton, Grayson
Current rating: 1499
Record: 4-4-1
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 179 | Richey, Tim (1500) | Draw 1-1 | 01500 |
| 2standard | 277 | Rollins, Zach (1500) | Won 2-0 | +181518 |
| 3standard | 197 | Hampton, Jesse (1518) | Lost 1-2 | -181500 |
| 4standard | 371 | Gilbert, Kevin (1431) | Lost 0-2 | -191481 |
| 5standard | 428 | Groenig, Gahan (1482) | Lost 1-2 | -181463 |
| 6standard | 396 | Farnsworth-Garel, James (1465) | Won 2-1 | +181481 |
| 7standard | 312 | Parker, Matt D (1481) | Won 2-0 | +181499 |
| 8standard | 226 | Gray, Jeremy (1503) | Lost 1-2 | -181481 |
| 9standard | 190 | Walsh, Matthew H (1485) | Won 0-0 | +181499 |
| average opponent: 1485record: 4-4-1 | new rating: 1499 | |||