Gronroos, Jonas
Current rating: 1501
Record: 4-4
| Grand Prix Stockholm 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 288 | Salonen, Tatu (1524) | Lost 1-2 | -181482 |
| 2modern | 407 | Bjork, Oscar (1484) | Won 2-0 | +181500 |
| 3modern | 408 | Dagnell, Martin (1501) | Lost 0-2 | -181482 |
| 4modern | 515 | Reitti, Veli-Matti (1483) | Won 2-1 | +181500 |
| 5modern | 401 | Marski, Sampo (1500) | Won 2-1 | +181518 |
| 6modern | 228 | Johnson, Thomas [SWE] (1527) | Lost 1-2 | -171501 |
| 7modern | 334 | Samuelsson, Albin (1462) | Lost 1-2 | -191482 |
| 8modern | 329 | Svenhard, Robin (1550) | Won 2-0 | +191501 |
| average opponent: 1504record: 4-4 | new rating: 1501 | |||