Harbet, Zachary
Current rating: 1466
Record: 11-15-1
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 71 | Mann, Kyle (1517) | Won 2-0 | +191471 |
| 3modern | 159 | DiGirolamo, Glenn (1528) | Won 2-1 | +191490 |
| 4modern | 41 | Majlaton, Alex (2105) | Lost 1-2 | -81482 |
| 5modern | 79 | Rosin, Dillon (1548) | Lost 1-2 | -171465 |
| 6modern | 168 | Linney, Nicholas (1478) | Won 2-1 | +181483 |
| 7modern | 86 | Fielman, Josh (1531) | Lost 1-2 | -171466 |
| top | average opponent: 1618record: 3-3 | new rating: 1466 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 139 | Orlando, Brian (1500) | Won 2-0 | +191465 |
| 2standard | 133 | Ayers, William (1530) | Won 2-0 | +191484 |
| 3standard | 141 | Giering, Cole (1526) | Lost 1-2 | -171467 |
| 4standard | 158 | Saunders, Lachlan (1563) | Lost 1-2 | -161451 |
| 5standard | 330 | Santiago, Jose (1498) | Draw 1-1 | +11452 |
| top | average opponent: 1523record: 2-2-1 | new rating: 1452 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 429 | Daniels, Drezha (1500) | Won 2-1 | +191470 |
| 2standard | 56 | Grimes, Rick (1540) | Won 2-0 | +191489 |
| 3standard | 113 | Hawkins, Eric (1861) | Lost 1-2 | -121477 |
| 4standard | 173 | Mulligan, Richard (1513) | Won 2-1 | +191496 |
| 5standard | 233 | Wang, Jiuyang (1683) | Lost 1-2 | -151481 |
| 6standard | 283 | Cocke, Grayson (1488) | Lost 1-2 | -171464 |
| 7standard | 324 | Hembree, Ethan (1497) | Lost 1-2 | -181446 |
| top | average opponent: 1583record: 3-4 | new rating: 1446 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 261 | Duron, Jose C (1500) | Won 2-0 | +191482 |
| 2standard | 198 | Melamed, Jonathan (1857) | Lost 0-2 | -111471 |
| 3standard | 500 | Dillon, Chaz (1432) | Lost 1-2 | -191452 |
| 4standard | 511 | Fernandez, David (1391) | Won 2-1 | +171469 |
| 5standard | 311 | Jakimovski, Daniel (1470) | Lost 0-2 | -181451 |
| top | average opponent: 1530record: 2-3 | new rating: 1451 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 835 | Condon, Brett (1500) | Lost 0-2 | -181482 |
| 2sealed | 1180 | Velez, Ernesto (1482) | Won 2-0 | +181500 |
| 3sealed | 267 | Shelton, Chris (1500) | Lost 1-2 | -181482 |
| 4sealed | 425 | Lankford, Cason (1447) | Lost 0-0 | -191463 |
| top | average opponent: 1482record: 1-3 | new rating: 1463 | ||