Herman, Jeff
Current rating: 1461
Record: 12-16-2
| Grand Prix Vancouver 2017 (modern) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2162 | Steier, Terry (1733) | Lost 1-2 | -141490 |
| 2modern | 2611 | Byun, Chong (1643) | Won 2-1 | +211511 |
| 3modern | 2514 | Yu, Clark (1516) | Lost 1-2 | -181493 |
| 4modern | 2600 | Leech, Shea (1750) | Lost 1-2 | -141479 |
| 5modern | 2683 | Levine, Cirrus (1443) | Lost 0-2 | -181461 |
| top | average opponent: 1617record: 1-4 | new rating: 1461 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1471 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Chu, Sam (1500) | Lost 1-2 | -171454 |
| 2sealed | 530 | Butters, Richard (1482) | Won 2-0 | +181472 |
| 3sealed | 558 | Gilks, Greg (1612) | Lost 0-0 | -151457 |
| 4sealed | 749 | Sapinski, Dylan (1482) | Won 2-0 | +181475 |
| 5sealed | 403 | Crawford, Dani (1498) | Won 2-0 | +191494 |
| 6sealed | 424 | Murdoch, Alex (1588) | Won 2-1 | +191513 |
| 7sealed | 160 | Ellis, Jarrod (1560) | Won 2-0 | +191532 |
| 8sealed | 194 | Perez Jr., Raymond (1959) | Lost 0-2 | -101522 |
| 9sealed | 310 | Casorso, Joshua (1536) | Lost 1-2 | -181504 |
| top | average opponent: 1580record: 5-4 | new rating: 1504 | ||
| Grand Prix Vancouver 2015 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 248 | Fung, Jeff (1683) | Won 2-0 | +221486 |
| 2modern | 67 | Taylor, Clint (1626) | Lost 1-2 | -161470 |
| 3modern | 344 | Coghill, Kaine (1411) | Won 2-0 | +171487 |
| 4modern | 249 | Ferguson, Scott (1550) | Lost 1-2 | -171470 |
| 5modern | 271 | Gribov, Omry (1522) | Lost 0-2 | -171453 |
| 6modern | 324 | Silvey, Kevin (1532) | Won 2-0 | +201473 |
| 7modern | 252 | Lyons, Alex (1461) | Won 2-0 | +171490 |
| 8modern | 186 | Caldwell, Mike (1433) | Lost 0-2 | -191471 |
| top | average opponent: 1527record: 4-4 | new rating: 1471 | ||
| Grand Prix Vancouver 2014 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 101 | Auchterlonie, Yvan (1500) | Draw 0-0 | 01500 |
| 2standard | 246 | Abrahim, Adam (1500) | Lost 1-2 | -181482 |
| 3standard | 405 | Howland, Chandller (1464) | Won 2-0 | +181500 |
| 4standard | 298 | Wetzel, Colby (1499) | Won 2-0 | +181518 |
| 5standard | 208 | PARPATT, MARK (1500) | Draw 1-1 | -11517 |
| 6standard | 282 | Steier, Terry (1538) | Lost 1-2 | -171500 |
| 7standard | 264 | Jackson, Derek (1499) | Lost 1-2 | -181482 |
| 8standard | 224 | Mereigh, Christopher (1479) | Lost 0-2 | -181464 |
| top | average opponent: 1497record: 2-4-2 | new rating: 1464 | ||