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Individual Calculations December 2021 |
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| Surkova, Sofya Total change: 103.20 | |   |
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| M.Chigorin Memorial 2021 | St. Petersburg | RUS | 2021-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 1763 | 3.50 | 8 | 2.58 | 40 | 103.20 | |
|  Klepikov, Nikita | f | | 2163 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Khaliullin, Albert | | | 2078 | RUS | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Sultan, Ibrahim | m | | 2098 | UAE | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Nasyrova, Ekaterina | | wf | 2091 | RUS | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Loskutova, Viktoriya | | wf | 2163 * | RUS | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Mikheeva, Galina | | wf | 2034 | RUS | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Sidorov, Dmitry I | | | 2131 | RUS | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Slugin, Yaroslav | | | 2129 | RUS | 0.00 | 1 | -0.10 | 40 | -4.00 | | | * 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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