Ruby, Justin
Current rating: 1495
Record: 8-8-1
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 399 | Leffers, Caitlin (1500) | Draw 1-1 | 01516 |
| 2legacy | 491 | Conaboy, Patrick (1493) | Won 2-1 | +181534 |
| 3legacy | 406 | Smith, David (1419) | Lost 1-2 | -211513 |
| 4legacy | 610 | Gussin, Stephen (1503) | Lost 0-2 | -181495 |
| top | average opponent: 1479record: 1-2-1 | new rating: 1495 | ||
| Grand Prix Salt Lake City 2012 (DKA standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 183 | Estep, Drew (1521) | Lost 0-2 | -181517 |
| 4standard | 306 | Singleton, West (1518) | Lost 1-2 | -181499 |
| 5standard | 347 | Stout, Eric (1481) | Won 2-1 | +171516 |
| 6standard | 229 | Lewis, Henry (1516) | Won 2-1 | +181534 |
| 7standard | 177 | Watkins, Ryan (1534) | Lost 1-2 | -181516 |
| top | average opponent: 1514record: 2-3 | new rating: 1516 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 219 | Whitney, Cooper (1500) | Won 2-0 | +181518 |
| 3sealed | 86 | Robinson, Travis (1500) | Won 2-1 | +181536 |
| 4sealed | 73 | Denno, Sebastian (1569) | Lost 0-2 | -181518 |
| 5sealed | 236 | Pasillas, Ernest (1495) | Won 2-1 | +181536 |
| 6sealed | 140 | Hensley, Mark (1499) | Won 2-0 | +171553 |
| 7sealed | 93 | Harlow, Nic (1524) | Lost 0-2 | -181535 |
| 8sealed | 79 | Gregor, Scott (1553) | Won 2-1 | +181553 |
| 9sealed | 65 | Fettback, Brandon (1542) | Lost 1-2 | -181535 |
| top | average opponent: 1523record: 5-3 | new rating: 1535 | ||