Groff, Nikki
Current rating: 1509
Record: 3-3
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 109 | Cohoon, Bob (1518) | Lost 0-2 | -181482 |
| 2sealed | 278 | Costa, Michael (1467) | Won 2-0 | +181500 |
| 3sealed | 372 | Babcock, Matthew (1567) | Lost 0-2 | -171483 |
| 4sealed | 506 | Zheng, Lifan (1570) | Won 2-1 | +201503 |
| 5sealed | 311 | Ciffo, Alfred (1627) | Won 2-1 | +201523 |
| 6sealed | 260 | White, Drew (1740) | Lost 1-2 | -141509 |
| average opponent: 1582record: 3-3 | new rating: 1509 | |||