Zimmerman, Henry
Current rating: 1560
Record: 6-3
| Grand Prix Omaha 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 87 | Pritchard, William (1655) | Lost 0-2 | -151485 |
| 2modern | 455 | Peltz, Aubrey (1482) | Won 2-1 | +181503 |
| 3modern | 397 | DelPizzo, Paul (1549) | Lost 0-2 | -171486 |
| 4modern | 428 | Jose, Edward (1468) | Won 2-1 | +171503 |
| 5modern | 373 | Allard, Jason (1670) | Won 2-1 | +211524 |
| 6modern | 162 | Price, John (1553) | Won 2-1 | +191543 |
| 7modern | 168 | Miller, Cole (1535) | Won 2-0 | +181561 |
| 8modern | 83 | Perigo, Nathanael (1550) | Won 2-0 | +171578 |
| 9modern | 46 | Jones, Derek (1531) | Lost 1-2 | -181560 |
| average opponent: 1555record: 6-3 | new rating: 1560 | |||