Petersen, Jannick
Current rating: 1473
Record: 6-8
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 85 | Porojan, Raul (1897) | Lost 0-2 | -111489 |
| 2modern | 486 | Frederiksen, Anders (1767) | Won 2-0 | +231512 |
| 3modern | 519 | Hoie Ostrem, Stian (1500) | Lost 1-2 | -181494 |
| 4modern | 726 | Hansen, Alex Fynbo (1423) | Lost 1-2 | -191475 |
| 5modern | 821 | Lildballe, Jacob (1454) | Lost 0-2 | -191456 |
| 6modern | 813 | Jessen, Emil (1405) | Won 2-0 | +171473 |
| average opponent: 1574record: 2-4 | new rating: 1473 | |||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Berti, Edoardo (1500) | Won 2-1 | +181518 |
| 2sealed | 48 | Salmonson, Erik (1517) | Won 2-0 | +181536 |
| 3sealed | 6 | Castren, Sakari (1514) | Lost 1-2 | -181518 |
| 4sealed | 245 | Tornquist, Johan (1502) | Won 2-1 | +171535 |
| 5sealed | 141 | Johansson, Pontus (1685) | Lost 0-2 | -151520 |
| 6sealed | 206 | Thonsri, Emil (1492) | Lost 0-2 | -181502 |
| 7sealed | 325 | Golman, Sergey (1413) | Won 2-0 | +161518 |
| 8sealed | 201 | Thernlund, Martin (1550) | Lost 0-2 | -181500 |
| average opponent: 1522record: 4-4 | new rating: 1500 | |||