Ball, Erik
Current rating: 1399
Record: 1-7-1
| Grand Prix Atlanta 2018 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 441 | Khan, Alec (1694) | Lost 0-2 | -141412 |
| 2modern | 429 | Muzzey, Trace (1481) | Draw 1-1 | +21414 |
| 3modern | 616 | Vincilione, Jacques (1500) | Won 2-0 | +191433 |
| 4modern | 518 | Bradley, John (1504) | Lost 0-2 | -171416 |
| 5modern | 601 | Dominguez, Benjamin (1430) | Lost 0-2 | -171399 |
| average opponent: 1522record: 1-3-1 | new rating: 1399 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Nowakowski, Brian (1519) | Lost 0-2 | -181482 |
| 2modern | 349 | Lynch, John (1455) | Lost 1-2 | -181464 |
| 3modern | 518 | Pestana, Joshua (1463) | Lost 0-2 | -181446 |
| 4modern | 551 | Mlinac, Chris (1323) | Lost 1-2 | -201426 |
| average opponent: 1440record: 0-4 | new rating: 1426 | |||