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Individual Calculations December 2021 |
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| Verbin, Valentina Total change: -14.20 | |   |
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| M.Chigorin Memorial 2021 | St. Petersburg | RUS | 2021-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 2023 | 4.00 | 9 | -0.71 | 20 | -14.20 | |
|  Kudryashova, Sofiya | | | 1623 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Yakimova, Mariya | | wf | 2219 | RUS | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Amanov, Zhanibek | m | | 2341 | KAZ | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Nurgaliyev, Sauat | c | | 2162 | KAZ | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Kulnev, Aleksandr | | | 1715 | RUS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Uskov, Artem | | | 2147 | RUS | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Volkov, Roman | | | 2163 | RUS | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Smirnov, Yaroslav | | | 1717 | RUS | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Moiseeva, Olesya | | | 1840 | RUS | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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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