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Individual Calculations September 2021 |
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| Ostrovski, Yaroslav Total change: 2.80 | |   |
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| Yaroslav Mudryj 2021 boys 13 | Yaroslavl | RUS | 2021-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1161 | 1145 | 2.00 | 4 | 0.07 | 40 | 2.80 | |
|  Smirnova, Dariya | | | 1098 | RUS | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Zubarev, Vladislav | | | 1131 | RUS | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Gerasimov, Kirill An. | | | 1127 | RUS | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Sirotin, Nikita | | | 1287 | RUS | 1.00 | 1 | 0.69 | 40 | 27.60 | |
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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