Rouhiainen, Otso
Current rating: 1573
| Grand Prix Prague 2018 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 391 | Babych, Iurii (1794) | Lost 0-2 | -121436 |
| 4modern | 427 | Keitel, Moritz (1518) | Won 2-0 | +191455 |
| 5modern | 333 | Lejeune, Olivier (1492) | Won 2-0 | +191474 |
| 6modern | 256 | Pelzl, Michael (1370) | Won 2-1 | +161490 |
| 7modern | 121 | Vojtko, Radovan (1571) | Won 2-0 | +201510 |
| 8modern | 90 | Petersen, Andreas (1653) | Won 2-1 | +201530 |
| 9modern | 41 | Hector, Stephan (1643) | Lost 0-2 | -161514 |
| 10modern | 60 | Wafo-Tapa, Guillaume (2107) | Won 2-0 | +281542 |
| 11modern | 34 | Kvas, Bojan (1858) | Draw 1-1 | +51547 |
| 12modern | 47 | Cupal, Dominik (1661) | Lost 1-2 | -151532 |
| 13modern | 80 | Nachtigall, Jaroslav (1625) | Won 2-1 | +191551 |
| 14modern | 54 | Danesi, Alessandro (1675) | Won 2-0 | +201571 |
| 15modern | 36 | Fischer, Lasse (1645) | Draw 1-1 | +21573 |
| top | average opponent: 1662record: 8-3-2 | new rating: 1573 | ||
| Grand Prix Barcelona 2018 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 197 | Fernandez Baillo Nunez, Carlos (1512) | Lost 1-2 | -171448 |
| 4modern | 496 | Meesschaert, Niels (1514) | Won 2-0 | +191467 |
| 5modern | 129 | Romero, Daniel (1504) | Won 2-0 | +191486 |
| 6modern | 75 | Ballestero Allueva, Aurelio (1619) | Won 2-1 | +201506 |
| 7modern | 107 | Brun, Michael (1400) | Lost 0-2 | -201486 |
| 8modern | 146 | Flury, Julian Felix (1764) | Won 2-0 | +231509 |
| 9modern | 127 | Enevoldsen, Thomas (2100) | Lost 0-2 | -81501 |
| 10modern | 137 | Alvarez, Ivan (1575) | Lost 0-2 | -171484 |
| 11modern | 144 | Leclercq, Olivier (1500) | Lost 0-2 | -181466 |
| 12modern | 138 | Raffoux, Benjamin (1429) | Lost 0-2 | -181448 |
| top | average opponent: 1592record: 4-6 | new rating: 1448 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 263 | Schnelle, Nikolaus (1524) | Lost 0-2 | -181482 |
| 2modern | 629 | Nielsen, Seth (1481) | Lost 1-2 | -181464 |
| 3modern | 794 | Hjorth, Andreas (1466) | Lost 1-2 | -181446 |
| 4modern | 867 | Saari, Ilmari (1444) | Won 2-0 | +181464 |
| 5modern | 798 | Kallenborn, Jan (1462) | Won 2-0 | +181482 |
| 6modern | 589 | Ennis, Antonio (1519) | Lost 0-2 | -171465 |
| top | average opponent: 1483record: 2-4 | new rating: 1465 | ||