Harnish, Ross
Current rating: 1502
Record: 4-4
| Grand Prix Indianapolis 2017 (HOU limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 298 | Morris, Aaron (1542) | Lost 0-2 | -181505 |
| 2sealed | 317 | Logsdon, Jessica (1482) | Won 2-0 | +171522 |
| 3sealed | 449 | Charlton, David (1367) | Lost 1-2 | -201502 |
| average opponent: 1464record: 1-2 | new rating: 1502 | |||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 324 | Dachniwskyj, Nicholas (1500) | Won 2-1 | +181518 |
| 2sealed | 21 | Soulati, Reza (1587) | Won 2-1 | +191537 |
| 3sealed | 262 | Mauro, Jade (1485) | Lost 0-2 | -191518 |
| 4sealed | 263 | Hochman, Will (1555) | Won 2-1 | +191537 |
| 5sealed | 229 | Tao, Jiachen (1733) | Lost 0-2 | -141523 |
| average opponent: 1572record: 3-2 | new rating: 1523 | |||