Ling, Justin A
Current rating: 1388
Record: 5-12
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1421 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 428 | Spreadborough, Dean G (1500) | Lost 0-2 | -171404 |
| 2sealed | 586 | McKercher, Joseph (1482) | Lost 1-2 | -161388 |
| top | average opponent: 1491record: 0-2 | new rating: 1388 | ||
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 97 | McCarthy, Chris (1539) | Lost 1-2 | -171436 |
| 3standard | 225 | Petterson, David (1501) | Won 2-0 | +201456 |
| 4standard | 163 | Petersen, Nick d (1453) | Lost 1-2 | -191437 |
| 5standard | 423 | Rutherford, Brad (1503) | Lost 0-2 | -161421 |
| top | average opponent: 1499record: 1-3 | new rating: 1421 | ||
| Grand Prix Vancouver 2008 (extended) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 84 | Mok, Wilson (1467) | Lost 1-2 | -171410 |
| 3extended | 117 | Beg, Zaiem (1464) | Won 2-1 | +191429 |
| 4extended | 72 | Phillips, Jarrett (1519) | Won 2-0 | +201449 |
| 5extended | 55 | LaPille, Thomas (1564) | Won 2-1 | +201469 |
| 6extended | 22 | Maples, Zechariah (1441) | Won 2-1 | +171486 |
| 7extended | 12 | Myers, Daniel L (1519) | Lost 0-2 | -171469 |
| 8extended | 44 | Fox, Chris (1571) | Lost 1-2 | -161453 |
| top | average opponent: 1506record: 4-3 | new rating: 1453 | ||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 55 | Pederson, Geoffery A (1500) | Lost 1-2 | -181482 |
| 2legacy | 294 | Allen, James C (1447) | Lost 0-2 | -191463 |
| 3legacy | 356 | Keith, Michael (1464) | Lost 0-2 | -181445 |
| 4legacy | 397 | Lynn, Leandra (1447) | Lost 0-2 | -181427 |
| top | average opponent: 1464record: 0-4 | new rating: 1427 | ||