Herfjord, Frank
Current rating: 1452
Record: 4-8
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 403 | Paananen, Juha (1620) | Won 2-0 | +211470 |
| 4modern | 74 | Bausch, Joshua (1899) | Lost 0-2 | -101460 |
| 5modern | 219 | Alsheimer, Christoph (1801) | Lost 0-2 | -121448 |
| 6modern | 544 | Siwarski, Lukasz (1389) | Won 2-1 | +171465 |
| 7modern | 358 | Cravo, Daniel (1424) | Won 2-1 | +171482 |
| 8modern | 168 | Korhonen, Niko (1565) | Lost 0-2 | -171465 |
| 9modern | 227 | Wahlquist, Alex (1694) | Lost 0-2 | -131452 |
| average opponent: 1628record: 3-4 | new rating: 1452 | |||
| Grand Prix Bologna 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 522 | Reiterer, Paul (1604) | Lost 1-2 | -161484 |
| 2modern | 728 | Mayor, Damien (1593) | Lost 0-2 | -161468 |
| 3modern | 965 | Piacentini, Giordano (1462) | Won 2-1 | +181486 |
| 4modern | 791 | Nowakowski, Thomas (1413) | Lost 1-2 | -201466 |
| 5modern | 992 | Fedi, Alessandro (1513) | Lost 0-2 | -171449 |
| average opponent: 1517record: 1-4 | new rating: 1449 | |||