Hershey, Jacob
Current rating: 1433
Record: 11-16-2
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 492 | Hensel, Tim (1500) | Won 2-1 | +191413 |
| 2modern | 371 | Husted, Joshua (1469) | Won 2-1 | +191432 |
| 3modern | 263 | Sukenik, Jonathan (1949) | Lost 0-2 | -91423 |
| 4modern | 340 | Wohlmacher, James (1534) | Lost 0-2 | -161407 |
| 5modern | 630 | Medykiewicz, Chris (1501) | Won 2-1 | +201427 |
| 6modern | 672 | Lupicki, Kamil (1555) | Lost 0-2 | -161411 |
| 7modern | 558 | Clark, Jared (1462) | Won 2-0 | +191430 |
| 8modern | 433 | Cameron, Shaun (1502) | Lost 1-2 | -171413 |
| 9modern | 428 | Rounsley, Jeremy (1482) | Won 2-0 | +201433 |
| top | average opponent: 1550record: 5-4 | new rating: 1433 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1590 | Kilby, Jarrod A (1500) | Draw 1-1 | +21428 |
| 2modern | 1466 | D'allaird, Hayden D (1500) | Won 2-1 | +191447 |
| 3modern | 1413 | Clark, Aaron (1505) | Lost 0-2 | -171430 |
| 4modern | 1523 | Fennen, Alexander (1395) | Lost 1-2 | -191411 |
| 5modern | 1403 | Googe, Bill (1416) | Lost 1-2 | -171394 |
| top | average opponent: 1463record: 1-3-1 | new rating: 1394 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 829 | Lynch, Brian (1678) | Lost 0-2 | -151484 |
| 2modern | 1148 | Gilmore, Brent (1464) | Lost 0-2 | -181466 |
| 3modern | 1251 | Clare, Brian (1413) | Lost 1-2 | -191447 |
| 4modern | 1234 | Dadd, Clayton (1412) | Won 2-0 | +171464 |
| 5modern | 1165 | Cooper, Dustin (1448) | Lost 0-2 | -181446 |
| 6modern | 1109 | Smith, Jeremy (1355) | Lost 1-2 | -201426 |
| top | average opponent: 1462record: 1-5 | new rating: 1426 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 148 | Pham, Andrew (1480) | Won 2-0 | +181518 |
| 2modern | 134 | Nowakowski, Brian (1537) | Lost 0-1 | -181500 |
| 3modern | 452 | Williams, Marty (1500) | Draw 1-1 | 01500 |
| 4modern | 374 | Wilkinson Jr., Richard (1498) | Lost 1-2 | -181482 |
| 5modern | 439 | Kent, Matt (1529) | Lost 1-2 | -171465 |
| 6modern | 396 | Vanice, Tyler (1472) | Won 2-0 | +181483 |
| 7modern | 246 | Hall, Eric (1419) | Won 2-0 | +171500 |
| 8modern | 223 | O'Brien, Matt (1583) | Lost 1-2 | -171483 |
| 9modern | 191 | Page, Harold (1361) | Won 2-0 | +161499 |
| top | average opponent: 1486record: 4-4-1 | new rating: 1499 | ||