Vonberg, Zachary
Current rating: 1435
Record: 0-4
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 189 | Marquardt, Robert (1764) | Lost 0-2 | -131487 |
| 2sealed | 263 | Sorrels, Matthew (1486) | Lost 0-2 | -181469 |
| 3sealed | 425 | Do, Dzi (1571) | Lost 0-2 | -161453 |
| 4sealed | 414 | Dory, Joshua (1484) | Lost 1-2 | -181435 |
| average opponent: 1576record: 0-4 | new rating: 1435 | |||