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Individual Calculations December 2018 |
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| Rova, Per-Olov Total change: -15.80 | |   |
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| Schack 64 KM 201819 R12 | Haparanda | SWE | 2018-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1922 | 1.00 | 2 | -0.49 | 20 | -9.80 | |
|  Kokkonen, Sirpa | | | 1522 * | FIN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Salykin, Aleksandr | | | 1873 | RUS | 0.00 | 1 | -0.57 | 20 | -11.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | NorrbottenOppet DM 2018 | Haparanda | SWE | 2018-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1922 | 2.00 | 4 | -0.30 | 20 | -6.00 | |
| | Sandstrom, Lennart | | | 1786 | SWE | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Mariano-Wagman, Cristine Rose | | wm | 1906 | PHI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Berg Laachiri, Susanna | | wf | 1903 | SWE | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Leukkunen, Raimo | | | 1872 | FIN | 0.00 | 1 | -0.57 | 20 | -11.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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