Isenberg, Donald
Current rating: 1542
Record: 5-3
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1273 | Cubas, Alejandro M (1500) | Won 2-0 | +181518 |
| 2modern | 1385 | Aravidis, Milton (1567) | Won 2-1 | +191537 |
| 3modern | 1401 | Martin, Steven L (1452) | Won 2-1 | +161553 |
| 4modern | 1238 | Wolf, Logan (1629) | Lost 0-2 | -161537 |
| 5modern | 1116 | Lowry, William (1825) | Won 2-1 | +231560 |
| 6modern | 1105 | Ozmun, Dalton (1535) | Won 2-1 | +171577 |
| 7modern | 969 | McDermott, Michael (1615) | Lost 0-2 | -171560 |
| 8modern | 900 | Dreher, Gregory (1533) | Lost 0-2 | -181542 |
| average opponent: 1582record: 5-3 | new rating: 1542 | |||