Sorsa, Joona
Current rating: 1506
Record: 14-15
| Grand Prix Stockholm 2018 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 2 | Vesterlund, Vilde (1539) | Won 2-0 | +191505 |
| 4modern | 2 | Gobert, Alois (1764) | Won 2-1 | +231528 |
| 5modern | 2 | Larsson, Joel (1917) | Lost 0-2 | -121516 |
| 6modern | 2 | Lejeune, Olivier (1489) | Won 2-0 | +181534 |
| 7modern | 2 | Angelin, Marcus (1960) | Lost 0-2 | -111523 |
| 8modern | 2 | Sandvik, Andreas (1578) | Lost 0-2 | -171506 |
| top | average opponent: 1708record: 3-3 | new rating: 1506 | ||
| Grand Prix Lyon 2018 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 596 | Karpinskyy, Borys (1355) | Won 2-1 | +161500 |
| 2modern | 407 | Foca, Mathieu (1575) | Won 2-1 | +191519 |
| 3modern | 297 | Boulinguiez, Mike (1621) | Lost 1-2 | -161503 |
| 4modern | 638 | Wagner, Ann-Katrin (1373) | Won 2-1 | +161519 |
| 5modern | 145 | Miyaguchi, Riyasu (1471) | Lost 1-2 | -191500 |
| 6modern | 451 | Corral, David (1685) | Lost 1-2 | -151485 |
| 7modern | 486 | Kuntz, Thomas (1512) | Won 2-0 | +191504 |
| 8modern | 439 | Carrasco, Joaquin (1522) | Lost 0-2 | -181486 |
| top | average opponent: 1514record: 4-4 | new rating: 1486 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 332 | Dattani, Amar (1558) | Lost 0-2 | -181502 |
| 2modern | 524 | Hansen, Rasmus6452 (1470) | Lost 0-2 | -181484 |
| 3modern | 783 | Moller, Thomas (1506) | Lost 0-2 | -181466 |
| 4modern | 863 | Graulund, Alexander (1443) | Won 2-0 | +181484 |
| 5modern | 741 | Larsen, Thomas Korfits (1495) | Won 2-0 | +181502 |
| 6modern | 689 | Nielsen, Thomas Sellberg (1514) | Lost 1-2 | -181484 |
| top | average opponent: 1498record: 2-4 | new rating: 1484 | ||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 16 | Jinnestrand, Martin (1500) | Lost 1-2 | -181482 |
| 2standard | 334 | Lanzky-Otto, Bjorn (1447) | Won 2-0 | +171499 |
| 3standard | 356 | Wiemann, Marcus (1499) | Won 2-0 | +181517 |
| 4standard | 184 | Kerem, Hannes (1761) | Lost 0-2 | -131504 |
| 5standard | 334 | Gillberg, Jonas (1543) | Lost 0-2 | -181486 |
| 6standard | 345 | Hellan, Jan Kristian (1463) | Lost 0-2 | -181468 |
| 7standard | 75 | Leber, Denis (1348) | Won 2-0 | +161484 |
| 8standard | 280 | Josefsson, Linus (1480) | Won 2-0 | +181502 |
| 9standard | 191 | Iannello, Giuseppe (1495) | Won 2-0 | +181520 |
| top | average opponent: 1504record: 5-4 | new rating: 1520 | ||