Karkkainen, Ville
Current rating: 1508
Record: 5-5-1
| Grand Prix Prague 2018 (modern) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 649 | Antonisse, Nick (1500) | Won 2-0 | +171539 |
| 2modern | 244 | Kahm, Raido (1544) | Lost 1-2 | -181521 |
| 3modern | 731 | Muller, Martine (1406) | Lost 0-2 | -201501 |
| 4modern | 867 | Halonen, Teemu (1624) | Won 2-1 | +211522 |
| 5modern | 470 | Fonseca, Jose (1745) | Lost 1-2 | -141508 |
| average opponent: 1564record: 2-3 | new rating: 1508 | |||
| Grand Prix Barcelona 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 244 | Levidou, Christina (1500) | Draw 1-1 | 01500 |
| 2modern | 360 | Cardenas, Antonio (1545) | Won 2-1 | +191519 |
| 3modern | 73 | Braem, Matthias (1499) | Lost 0-2 | -191500 |
| 4modern | 509 | Mouzakitis, Spyridon (1505) | Won 2-1 | +191519 |
| 5modern | 357 | Lifante Fernandez, Roberto (1547) | Won 2-1 | +181537 |
| 6modern | 221 | Ballester, Carlos (1683) | Lost 0-2 | -151522 |
| average opponent: 1547record: 3-2-1 | new rating: 1522 | |||