Ziemba, Matthew
Current rating: 1445
Record: 0-3
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Amato, Dominic (1415) | Lost 0-2 | -201480 |
| 2sealed | 169 | Schultz, Lucas (1482) | Lost 1-2 | -181462 |
| 3sealed | 327 | Frasier, Eric (1464) | Lost 0-2 | -171445 |
| average opponent: 1454record: 0-3 | new rating: 1445 | |||