Long, Joseph
Current rating: 1482
Record: 4-5
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 115 | Siegel, Andrew (1468) | Lost 0-2 | -191477 |
| 2modern | 385 | Zyla, Sarah (1648) | Won 2-0 | +211498 |
| 3modern | 388 | Elfering, Brian (1513) | Lost 0-0 | -181480 |
| 4modern | 455 | DeMartini, Jared (1548) | Won 2-0 | +201500 |
| 5modern | 371 | Hart, Randy (1523) | Lost 1-2 | -181482 |
| average opponent: 1540record: 2-3 | new rating: 1482 | |||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 430 | McBride, Scooter (1483) | Won 2-0 | +181518 |
| 2sealed | 275 | Caravello, Anthoni (1518) | Lost 0-2 | -181500 |
| 3sealed | 507 | Maker, Alexander (1463) | Won 2-1 | +171517 |
| 4sealed | 366 | Chenard, Frederic (1327) | Lost 0-2 | -211496 |
| average opponent: 1448record: 2-2 | new rating: 1496 | |||