Roe, Joshua P
Current rating: 1622
Record: 10-4
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 182 | Houk, Brandon (1470) | Won 2-0 | +171517 |
| 3standard | 92 | Luc, John (1670) | Won 2-1 | +211538 |
| 4standard | 24 | Hague, Matt (1556) | Lost 1-2 | -171521 |
| 5standard | 98 | Garver, Leo (1642) | Won 2-0 | +201541 |
| 6standard | 52 | Gibson, William (1548) | Won 2-0 | +181559 |
| 7standard | 32 | Potter, Doug (1708) | Won 2-1 | +211580 |
| 8standard | 12 | Swartz, Ben (1547) | Won 2-1 | +171597 |
| 9standard | 11 | Sage, Tyler (1713) | Won 0-0 | +201617 |
| 10standard | 14 | Brown, Erin (1752) | Lost 1-2 | -151602 |
| 11standard | 39 | Carleton-Barnes, Gabriel (1782) | Won 2-1 | +211623 |
| 12standard | 18 | Toelken, Austin (1634) | Won 2-0 | +181641 |
| 13standard | 8 | Bessey, Stan (1620) | Lost 0-2 | -181623 |
| 14standard | 18 | Bovett, Sean (1650) | Lost 1-2 | -181605 |
| 15standard | 27 | Scott, Ryan A (1554) | Won 2-1 | +171622 |
| average opponent: 1632record: 10-4 | new rating: 1622 | |||