Acker, Andrew
Current rating: 1498
Record: 3-3
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 253 | Johns, John (1500) | Won 2-1 | +181518 |
| 2modern | 413 | Clemente, Alex (1517) | Lost 0-2 | -181500 |
| 3modern | 551 | Cooper, Morgan (1465) | Lost 1-2 | -191481 |
| 4modern | 620 | Smith, Matthew W (1482) | Won 2-0 | +181499 |
| 5modern | 557 | Grayson, Paul (1456) | Won 2-1 | +181517 |
| 6modern | 405 | Limbaugh, Layne (1488) | Lost 1-2 | -191498 |
| average opponent: 1485record: 3-3 | new rating: 1498 | |||