Hjertberg, Erik
Current rating: 1446
Record: 1-4
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 106 | Tisar, Marek (1500) | Won 2-1 | +181518 |
| 2modern | 213 | Hupkens, Tobie (1517) | Lost 0-2 | -181500 |
| 3modern | 662 | Bacic, Nenad (1502) | Lost 0-2 | -181482 |
| 4modern | 746 | Schertel, Carl (1482) | Lost 1-2 | -181464 |
| 5modern | 809 | Ermeri, Anthony (1442) | Lost 0-2 | -181446 |
| average opponent: 1488record: 1-4 | new rating: 1446 | |||