Holzwarth, Zachariah
Current rating: 1507
Record: 4-4
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2 | Ratner, Max (1500) | Won 2-1 | +181518 |
| 2modern | 150 | Wells, Christopher (1491) | Lost 0-2 | -181500 |
| 3modern | 548 | Lavandier, Erick (1320) | Won 2-0 | +141514 |
| 4modern | 226 | Smalley, Tyler (1656) | Lost 0-2 | -151499 |
| 5modern | 431 | Bianga, Ryan (1455) | Won 2-0 | +171516 |
| 6modern | 292 | He, Yang (1634) | Lost 0-2 | -161500 |
| 7modern | 418 | Yuen, Yale (1501) | Won 2-0 | +181518 |
| 8modern | 269 | John, Julian (1914) | Lost 0-2 | -111507 |
| average opponent: 1559record: 4-4 | new rating: 1507 | |||