Herring, Garrett
Current rating: 1500
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 342 | Terlinde, Devin (1500) | Lost 1-2 | -191501 |
| 2modern | 265 | Nelson, Alex (1482) | Won 2-1 | +181519 |
| 3modern | 249 | Kielb, William (1504) | Lost 1-2 | -181501 |
| 4modern | 363 | Panitz, Leah (1486) | Lost 1-2 | -181483 |
| 5modern | 376 | Coen-Tuff, Matthew (1470) | Won 2-1 | +171500 |
| top | average opponent: 1488record: 2-3 | new rating: 1500 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 185 | Patton, Dustin (1477) | Lost 0-2 | -191504 |
| 2modern | 386 | Jameson, Christopher (1481) | Lost 0-2 | -191485 |
| 3modern | 543 | Montalvo, Jorge (1464) | Won 2-1 | +181503 |
| 4modern | 430 | Garcia, Vivian (1480) | Lost 0-2 | -181485 |
| 5modern | 485 | Gelazela, Joe (1490) | Won 2-0 | +181503 |
| 6modern | 426 | Martinez, Felix (1452) | Won 2-1 | +171520 |
| top | average opponent: 1474record: 3-3 | new rating: 1520 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 85 | Murphy, Dylan 2 (1500) | Won 2-0 | +181518 |
| 2standard | 99 | Brewster, Mark (1521) | Won 2-1 | +181536 |
| 3standard | 140 | Parkin, Zachary (1480) | Won 2-1 | +171553 |
| 4standard | 40 | Trawczynski, Richard (1554) | Lost 0-2 | -181535 |
| 5standard | 153 | Freerksen, Sheldon (1593) | Lost 0-0 | -171518 |
| 6standard | 246 | Larry, Brandon (1533) | Lost 1-2 | -181500 |
| 7standard | 249 | Martinez, Vincent (1498) | Won 2-0 | +181518 |
| 8standard | 148 | Maloney, Kyle (1524) | Won 2-0 | +181536 |
| 9standard | 133 | Khare, Anand (1773) | Lost 0-2 | -131523 |
| top | average opponent: 1553record: 5-4 | new rating: 1523 | ||