Murray, Joshua
Current rating: 1373
| Grand Prix Columbus 2010 (legacy) | starting rating: 1401 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 547 | Britton, Steven (1500) | Lost 0-2 | -161385 |
| 2legacy | 597 | Greene, Robert (1524) | Lost 1-2 | -151370 |
| 3legacy | 665 | Tolley, Chris (1465) | Won 2-0 | +191389 |
| 4legacy | 663 | Noland, Donald (1463) | Lost 1-2 | -161373 |
| top | average opponent: 1488record: 1-3 | new rating: 1373 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 95 | Morrison, James (1518) | Lost 1-2 | -161431 |
| 2legacy | 378 | Culbertson, Duane C (1482) | Won 2-0 | +181449 |
| 3legacy | 243 | Efland, Zach (1609) | Lost 0-2 | -151434 |
| 4legacy | 514 | Bailey, Jacob A (1463) | Lost 0-2 | -171417 |
| 5legacy | 462 | Hewitt, Brian P (1463) | Won 2-0 | +191436 |
| 6legacy | 378 | Ehret, Andrew (1483) | Lost 0-2 | -171419 |
| 7legacy | 314 | Magafas, Jason (1466) | Lost 1-2 | -181401 |
| top | average opponent: 1498record: 2-5 | new rating: 1401 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 104 | Dickerson, Joshua (1500) | Lost 1-2 | -181482 |
| 2sealed | 394 | Sperry, Richard (1482) | Lost 1-2 | -181464 |
| 3sealed | 442 | Patrick, Jesse (1473) | Won 2-0 | +181482 |
| 4sealed | 412 | Nugent, Colin (1482) | Won 2-1 | +181500 |
| 5sealed | 265 | Bourroughs, Chris (1533) | Won 2-0 | +191519 |
| 6sealed | 249 | Calvi, Jack (1539) | Lost 1-2 | -181501 |
| 7sealed | 251 | Rebennack, Andy (1500) | Lost 0-2 | -181483 |
| 8sealed | 197 | Burdick, Dennis (1493) | Lost 1-2 | -181465 |
| 9sealed | 159 | Root, Wesley (1462) | Lost 0-2 | -181447 |
| top | average opponent: 1496record: 3-6 | new rating: 1447 | ||