Harbeck, Nicholas
Current rating: 1467
Record: 1-3
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 268 | Murphy, Ryan (1484) | Won 2-1 | +181518 |
| 2sealed | 87 | Van Loveren, Christopher (1556) | Lost 0-0 | -181500 |
| 3sealed | 289 | Carrasco, Adam (1639) | Lost 0-2 | -151485 |
| 4sealed | 474 | Singer, Ryan (1511) | Lost 1-2 | -181467 |
| average opponent: 1548record: 1-3 | new rating: 1467 | |||