Callahan, Jon
Current rating: 1443
Record: 3-6
| MagicCon Las Vegas 2023 Limited Open (WOE limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3096 | Gaviria, William (1481) | Lost 0-2 | -181477 |
| 2sealed | 3472 | Oller, Rodney (1485) | Lost 0-2 | -181459 |
| 3sealed | 3635 | Estrada, Ryan (1586) | Lost 0-2 | -161443 |
| average opponent: 1518record: 0-3 | new rating: 1443 | |||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 414 | Towery, Allen (1376) | Won 2-1 | +161516 |
| 3standard | 350 | Taylor, Raymond (1499) | Lost 0-2 | -191497 |
| 4standard | 419 | McDunnah, Jacki (1464) | Won 2-1 | +181515 |
| 5standard | 339 | Strange, Alex (1482) | Lost 0-2 | -191496 |
| 6standard | 359 | Lam, Wai (1450) | Won 2-0 | +171513 |
| 7standard | 261 | Moen, Carsey (1506) | Lost 0-2 | -181495 |
| average opponent: 1463record: 3-3 | new rating: 1495 | |||