Hersman, Joseph
Current rating: 1356
Record: 7-16-1
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1417 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 412 | Durham, Steven (1589) | Lost 1-2 | -151402 |
| 2standard | 505 | Mccutcheon, Henry (1481) | Lost 0-2 | -161386 |
| 3standard | 642 | Ward, Josiah (1462) | Won 2-0 | +191405 |
| 4standard | 602 | Watmough, Selkirk (1484) | Lost 0-2 | -161389 |
| 5standard | 549 | Nielson, Nathan (1530) | Lost 0-2 | -161373 |
| 6standard | 503 | Erolin, R. Leo (1447) | Lost 1-2 | -171356 |
| top | average opponent: 1499record: 1-5 | new rating: 1356 | ||
| Grand Prix Denver 2017 (HOU standard) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 30 | Reynolds, Matthew (1582) | Lost 0-2 | -161413 |
| 2standard | 428 | Sorenson, Angelo (1480) | Won 2-1 | +201433 |
| 3standard | 273 | Moseley, Robert (1505) | Won 2-1 | +191452 |
| 4standard | 281 | Harned, Stuart (1519) | Lost 0-2 | -171435 |
| 5standard | 322 | Blunt, Ryan (1505) | Draw 1-1 | +11436 |
| 6standard | 352 | Gamblin, Taylor (1505) | Lost 0-2 | -161420 |
| 7standard | 398 | Peltola, Jason (1414) | Won 2-0 | +171437 |
| 8standard | 317 | Bretthorst, Robert (1312) | Lost 1-2 | -201417 |
| top | average opponent: 1478record: 3-4-1 | new rating: 1417 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 292 | Tryggestad, David (1380) | Lost 0-2 | -201462 |
| 2standard | 383 | Schaefer, Daniel (1564) | Lost 0-2 | -161446 |
| 3standard | 483 | Crowder, Justin (1395) | Lost 1-2 | -191427 |
| 4standard | 550 | Nagle, Kenton (1468) | Won 2-0 | +191446 |
| 5standard | 440 | Howes, Emmanuel (1465) | Lost 1-2 | -181428 |
| 6standard | 473 | Timm, Mark (1434) | Won 2-0 | +181446 |
| 7standard | 400 | Tran, Saron (1388) | Lost 1-2 | -191427 |
| 8standard | 343 | Wymore, Craig (1464) | Lost 1-2 | -171410 |
| 9standard | 296 | [anonymous] | Won 2-0 | +191429 |
| top | average opponent: 1445record: 3-6 | new rating: 1429 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 474 | Cortes, Corey (1500) | Lost 0-2 | -181482 |
| top | record: 0-1 | new rating: 1482 | ||