Hierholzer, Coty
Current rating: 1379
Record: 4-11
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 140 | Hiramoto, Brent (1500) | Won 2-0 | +191443 |
| 2standard | 206 | Tetreault, Gregory (1431) | Lost 0-2 | -181425 |
| 3standard | 348 | Jacky, Whitney (1552) | Lost 0-2 | -161409 |
| 4standard | 613 | Verrall, Nicholas (1478) | Lost 1-2 | -171392 |
| 5standard | 569 | Wills, Douglas (1501) | Won 2-0 | +201412 |
| 6standard | 477 | Van Osdol, James (1497) | Lost 0-2 | -161396 |
| 7standard | 423 | Schmitte, Phillip (1461) | Lost 0-2 | -171379 |
| average opponent: 1489record: 2-5 | new rating: 1379 | |||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 115 | King, Christopher (1501) | Won 2-1 | +181518 |
| 2standard | 196 | Hike, Dalton (1482) | Lost 0-2 | -191499 |
| 3standard | 544 | Nelson, George (1351) | Lost 1-2 | -201479 |
| 4standard | 656 | Jazdzewski, Devin (1482) | Lost 0-2 | -181461 |
| 5standard | 657 | Lorimer, Jake (1463) | Lost 1-2 | -181443 |
| 6standard | 686 | Brooks, JoVanni (1442) | Won 2-1 | +181461 |
| 7standard | 542 | Gonzalez, Eliezer (1462) | Lost 1-2 | -181443 |
| 8standard | 492 | Nelson, Colleen (1378) | Lost 0-2 | -191424 |
| average opponent: 1445record: 2-6 | new rating: 1424 | |||