mengert, dan p
Current rating: 1480
Record: 3-4
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Alvord IV, Charles (1500) | Won 2-0 | +181518 |
| 2standard | 66 | Prickett, Jay (1500) | Lost 0-2 | -181500 |
| 3standard | 359 | Lafleur, Thayer (1499) | Lost 1-2 | -181482 |
| 4standard | 480 | Romano, Slone (1446) | Lost 0-2 | -191463 |
| 5standard | 477 | Twitchell, Aaron C (1465) | Won 2-1 | +181481 |
| 6standard | 379 | Conrad, Michael (1436) | Won 2-0 | +171498 |
| 7standard | 293 | Greb, Miles (1502) | Lost 1-2 | -181480 |
| average opponent: 1478record: 3-4 | new rating: 1480 | |||