Viherranta, Sami
Current rating: 1384
Record: 3-10-1
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 352 | Mellanen, Rasmus (1677) | Lost 0-2 | -131398 |
| 2sealed | 428 | Gruner, Philip (1540) | Lost 0-2 | -161382 |
| 3sealed | 581 | Gustafsson, Anton (1463) | Lost 1-2 | -161366 |
| 4sealed | 579 | Christensen, Peter Stahlhut (1334) | Won 2-0 | +171383 |
| 5sealed | 506 | Ebbesen, Morten (1476) | Won 2-0 | +201403 |
| 6sealed | 408 | Rauser, Thomas (1365) | Lost 0-2 | -191384 |
| average opponent: 1476record: 2-4 | new rating: 1384 | |||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 201 | Krull, Nicklas (1519) | Lost 0-2 | -181482 |
| 2modern | 419 | Aramburu, Daniel (1481) | Won 2-1 | +181500 |
| 3modern | 480 | Bang, Johan (1464) | Lost 0-2 | -181482 |
| 4modern | 486 | Vikstrom, Christofer (1564) | Lost 0-2 | -171465 |
| 5modern | 529 | Widell, Alexander (1461) | Draw 1-1 | 01465 |
| 6modern | 487 | Alterskjaer, Anders (1464) | Lost 0-2 | -181447 |
| 7modern | 429 | Gren, Niklas (1441) | Lost 0-2 | -181429 |
| 8modern | 382 | Castiello, Saverio (1428) | Lost 1-2 | -181411 |
| average opponent: 1478record: 1-6-1 | new rating: 1411 | |||