Karvonen, Arttu
Current rating: 1465
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 182 | Rebizant, Artur (1500) | Won 2-1 | +181516 |
| 2standard | 17 | Arndt, Jochen (1488) | Lost 1-2 | -181498 |
| 3standard | 319 | Napierski, Kamil (1687) | Lost 1-2 | -151483 |
| 4standard | 482 | Kaskikallio, Emil (1483) | Lost 0-2 | -181465 |
| 5standard | 475 | Terziyski, Nikolay (1458) | Won 2-1 | +181483 |
| 6standard | 389 | Kountouradakis, Stefanos (1478) | Lost 1-2 | -181465 |
| top | average opponent: 1515record: 2-4 | new rating: 1465 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 126 | Delvigne, Emmanuel (1705) | Draw 1-1 | +41487 |
| 4standard | 234 | McGregor, Craig (1433) | Won 2-1 | +171504 |
| 5standard | 121 | Berteaux, Julien (1633) | Won 2-1 | +201524 |
| 6standard | 55 | Gorzgen, Fabian (1821) | Lost 0-2 | -121512 |
| 7standard | 157 | Noorlander, Niels (1774) | Lost 0-2 | -141498 |
| top | average opponent: 1673record: 2-2-1 | new rating: 1498 | ||
| Grand Prix Krakow 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 74 | Djogouros, Michalis (1485) | Lost 0-2 | -181482 |
| 2standard | 336 | Sados, Marcin (1623) | Won 2-0 | +201502 |
| 3standard | 399 | Keuning, Pieter (1470) | Lost 0-2 | -181484 |
| 4standard | 468 | Krejci, Radek (1335) | Won 2-1 | +151499 |
| 5standard | 382 | Lihoreau, Ibai (1613) | Lost 1-2 | -161483 |
| top | average opponent: 1505record: 2-3 | new rating: 1483 | ||