Hattemer, Peter
Current rating: 1436
Record: 1-5
| Grand Prix Columbus 2019 (modern) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 72 | Austin, Shawn (1639) | Won 2-0 | +211470 |
| 2modern | 35 | Rodaitis, Andrew (1459) | Lost 0-2 | -181452 |
| 3modern | 243 | Gertz, Jacob (1535) | Lost 1-2 | -161436 |
| average opponent: 1544record: 1-2 | new rating: 1436 | |||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 349 | Cotterell, Lucas (1442) | Lost 1-2 | -191481 |
| 2sealed | 350 | Reiners, Mitchell (1714) | Lost 0-0 | -141467 |
| 3sealed | 496 | Dunlap, Benjamin (1464) | Lost 0-2 | -181449 |
| average opponent: 1540record: 0-3 | new rating: 1449 | |||