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Individual Calculations December 2021 |
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| Petrenko, Andrey Yu. Total change: -53.20 | |   |
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| Sakhalin chess championship 2021 | Yuzhno-Sakhalinsk | RUS | 2021-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 2016 | 4.50 | 9 | -2.66 | 20 | -53.20 | |
|  Korostelev, German | | | 1616 * | RUS | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Kim, Nikolay | | | 1616 * | RUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Dedik, Gennadiy | | | 1616 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sin, Albert | | | 1616 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bambizo, Mikhail | | | 1616 * | RUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Den, Dmitrij | | | 2163 | RUS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Fedkov, Sergey | | | 1773 | RUS | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Mukhin, Alexey P. | | | 1751 | RUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Khusnulgatin, Artem | | | 1916 | RUS | 0.00 | 1 | -0.64 | 20 | -12.80 | | | * 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) | | |
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