Lewis, Zachery
Current rating: 1519
Record: 7-6-1
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | Vaccaro, Dennis (1500) | Lost 0-2 | -191509 |
| 2standard | 296 | Shore, Glen (1414) | Won 2-0 | +161525 |
| 3standard | 300 | Reese, Tyler (1500) | Won 2-0 | +181543 |
| 4standard | 210 | Pounds, Buzz (1384) | Lost 0-2 | -211522 |
| 5standard | 254 | Gapinski, Richard (1335) | Draw 1-1 | -31519 |
| average opponent: 1427record: 2-2-1 | new rating: 1519 | |||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 240 | Han, Mark (1472) | Lost 0-2 | -191481 |
| 2standard | 354 | Decker, Samuel (1483) | Won 2-0 | +191500 |
| 3standard | 501 | Slaff, Steven (1548) | Won 2-1 | +181518 |
| 4standard | 346 | Stokes, Shane (1555) | Won 2-0 | +191537 |
| 5standard | 173 | Hagen, Jacob (1769) | Lost 1-2 | -141523 |
| 6standard | 391 | Cusick, Brian (1636) | Won 2-1 | +201543 |
| 7standard | 215 | Eaton, Cameron (1573) | Won 2-0 | +191562 |
| 8standard | 162 | Hand, Dylan (1657) | Lost 1-2 | -161546 |
| 9standard | 287 | Johnson, Eric4528 (1551) | Lost 1-2 | -181528 |
| average opponent: 1583record: 5-4 | new rating: 1528 | |||