Koskinen, Ari
Current rating: 1551
Record: 8-6-1
| Grand Prix Barcelona 2018 (modern) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 85 | Gonzalez Hidalgo, Francisco Jose (1508) | Won 2-0 | +181557 |
| 2modern | 27 | Bastian, Jonas (1518) | Won 2-1 | +171574 |
| 3modern | 315 | Hammarback, Petter (1500) | Won 2-0 | +171591 |
| 4modern | 64 | de Togni, Marco (1917) | Lost 1-2 | -121579 |
| 5modern | 239 | Sochurek, Petr (2067) | Lost 1-2 | -101569 |
| 6modern | 443 | Cuenca, Carlos (1557) | Lost 0-2 | -181551 |
| average opponent: 1678record: 3-3 | new rating: 1551 | |||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 131 | Akerblom, Daniel (1500) | Won 2-0 | +181518 |
| 2modern | 119 | Navickas, Stanislovas (1518) | Draw 1-1 | 01518 |
| 3modern | 418 | Elmblad, Joakim (1468) | Won 2-0 | +171535 |
| 4modern | 230 | Hansson, Andreas (1532) | Won 2-0 | +181553 |
| 5modern | 116 | Kleymenov, Sergey (1686) | Lost 0-2 | -161537 |
| 6modern | 275 | Jorborg, Julius (1614) | Won 2-0 | +201557 |
| 7modern | 157 | Jakobsen, Casper Carl (1552) | Lost 1-2 | -181539 |
| 8modern | 284 | Meisner, Claus (1579) | Lost 0-2 | -181521 |
| 9modern | 392 | Carle, Ivan (1518) | Won 2-1 | +181539 |
| average opponent: 1552record: 5-3-1 | new rating: 1539 | |||