Ball, Justin M
Current rating: 1494
Record: 11-12
| Grand Prix Columbus 2016 (legacy) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 341 | Halinka, Donnie (1453) | Won 2-0 | +171509 |
| 2legacy | 243 | Jones, Maxwell (1437) | Lost 0-2 | -191490 |
| 3legacy | 588 | Frank, Daniel (1448) | Won 2-1 | +171507 |
| 4legacy | 413 | Mooney, Sean (1505) | Won 2-1 | +181525 |
| 5legacy | 258 | Thompson, Kale (1790) | Lost 0-2 | -131512 |
| 6legacy | 526 | Porter, Patrick (1505) | Lost 0-2 | -181494 |
| top | average opponent: 1523record: 3-3 | new rating: 1494 | ||
| Grand Prix Columbus 2012 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 178 | Bartley, Matthew (1634) | Lost 1-2 | -151474 |
| 3modern | 275 | Harmon, Pual (1483) | Won 2-1 | +181492 |
| 4modern | 268 | Vermillion, Cory (1516) | Won 2-0 | +181510 |
| 5modern | 188 | Webb, Jody (1446) | Won 2-0 | +171527 |
| 6modern | 94 | Cole, Thomas R (1511) | Lost 1-2 | -181509 |
| 7modern | 205 | Mercier, Mathew (1560) | Lost 1-2 | -171492 |
| top | average opponent: 1525record: 3-3 | new rating: 1492 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 185 | Tomes, Ken L (1518) | Won 2-0 | +191465 |
| 3sealed | 138 | Maginnis, Peter (1535) | Lost 1-2 | -161449 |
| 4sealed | 266 | Borges, Bruno (1519) | Won 2-0 | +191468 |
| 5sealed | 163 | John C., (1485) | Lost 0-2 | -181450 |
| 6sealed | 207 | Shannon, Verdell (1545) | Won 2-1 | +201470 |
| 7sealed | 134 | Weaver, Brandon (1537) | Won 2-1 | +191489 |
| 8sealed | 154 | Rudyak, Rada (1542) | Won 2-0 | +191508 |
| 9sealed | 81 | Anderson, Joseph F (1449) | Lost 1-2 | -191489 |
| top | average opponent: 1516record: 5-3 | new rating: 1489 | ||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 231 | O'Connell, Ryan (1500) | Lost 0-2 | -181482 |
| 2sealed | 244 | Dewell, Todd (1482) | Lost 0-2 | -181464 |
| 3sealed | 348 | Bates, John (1464) | Lost 1-2 | -181446 |
| top | average opponent: 1482record: 0-3 | new rating: 1446 | ||