Ptacek, Nicholas
Current rating: 1430
Record: 0-4
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 244 | Woodcock, Beau (1556) | Lost 0-2 | -161430 |
| record: 0-1 | new rating: 1430 | |||
| Grand Prix Milwaukee 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 192 | Rider, David (1500) | Lost 1-2 | -181482 |
| 2sealed | 401 | Thor, Christopher (1479) | Lost 1-2 | -181464 |
| 3sealed | 544 | Pauley, Adam (1451) | Lost 1-2 | -181446 |
| average opponent: 1477record: 0-3 | new rating: 1446 | |||