Wilhelm, Zachary
Current rating: 1564
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 235 | McGuire, Wayne (1500) | Won 2-1 | +181546 |
| 2modern | 348 | Hess, James (1615) | Won 2-0 | +191565 |
| 3modern | 319 | Phelps, David (1605) | Lost 1-2 | -171548 |
| 4modern | 262 | Cleveland, Christopher (1528) | Won 2-0 | +171565 |
| 5modern | 124 | Grebe, Ryan (1548) | Won 2-1 | +181583 |
| 6modern | 261 | Moerke, Steven (1523) | Lost 0-2 | -191564 |
| top | average opponent: 1553record: 4-2 | new rating: 1564 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | John, William (1500) | Won 2-0 | +191501 |
| 2sealed | 112 | Frebrowski, Daniel (1543) | Won 2-0 | +191520 |
| 3sealed | 1 | Barr, Alex (1709) | Won 2-0 | +211541 |
| 4sealed | 84 | Coble, Trevor (1559) | Lost 0-2 | -181523 |
| 5sealed | 177 | Morton, Philip (1588) | Won 2-0 | +191542 |
| 6sealed | 192 | Brown, Max (1753) | Lost 0-2 | -141528 |
| top | average opponent: 1609record: 4-2 | new rating: 1528 | ||
| Grand Prix Pittsburgh 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 310 | Wu, Dalton (1536) | Lost 1-2 | -171483 |
| 2sealed | 544 | Koontz, Brent M (1483) | Won 2-1 | +181501 |
| 3sealed | 334 | Bailey, Derek (1490) | Lost 0-2 | -191482 |
| top | average opponent: 1503record: 1-2 | new rating: 1482 | ||