Herrholz, James
Current rating: 1530
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 177 | Hatchett, Russell (1407) | Won 2-0 | +161520 |
| 2standard | 138 | Wagenheim, Andrew (1518) | Won 2-1 | +181538 |
| 3standard | 97 | Cecchetti, Daniel (1729) | Lost 1-2 | -151523 |
| 4standard | 225 | Reddy, Will (1517) | Lost 0-2 | -181505 |
| 5standard | 384 | Lacomb, Corey (1527) | Won 2-0 | +191524 |
| 6standard | 350 | Zhang, Yinan (1460) | Won 2-0 | +161540 |
| 7standard | 249 | Chapin, Patrick (1961) | Lost 0-2 | -101530 |
| top | average opponent: 1589record: 4-3 | new rating: 1530 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 978 | Thomas, Marcus (1500) | Won 2-1 | +181502 |
| 2legacy | 768 | Sandrin, Ryan (1474) | Won 2-0 | +181520 |
| 3legacy | 908 | Allen, Crispin (1610) | Lost 0-2 | -161504 |
| 4legacy | 899 | [anonymous] | Lost 0-2 | -181486 |
| 5legacy | 971 | Daddio, Christopher (1518) | Lost 0-2 | -181468 |
| 6legacy | 982 | Szatkowski, David (1396) | Won 2-0 | +171485 |
| 7legacy | 883 | Stempler, Brandon (1465) | Won 2-0 | +181503 |
| 8legacy | 777 | Stamm, Jefferey (1520) | Lost 0-2 | -181485 |
| 9legacy | 742 | Potts, John (1512) | Won 2-1 | +191504 |
| top | average opponent: 1502record: 5-4 | new rating: 1504 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 149 | Valdes, Carlos (1500) | Won 2-1 | +181518 |
| 2standard | 44 | Solorzano, Michaelle (1476) | Won 2-1 | +171535 |
| 3standard | 127 | Gennari Souza, Juliano (1647) | Lost 0-2 | -161519 |
| 4standard | 358 | Elliott, Vincent W (1632) | Won 2-1 | +201539 |
| 5standard | 97 | Sabando, Frankie (1545) | Lost 1-2 | -181521 |
| 6standard | 220 | Dacunto, Robert (1451) | Lost 0-2 | -191502 |
| 7standard | 299 | Leake, Jesse (1505) | Lost 1-2 | -181484 |
| top | average opponent: 1536record: 3-4 | new rating: 1484 | ||