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Individual Calculations September 2018 |
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| Kostin, Aleksey Total change: -24.40 | |   |
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| Petersburg Summer 2018 - Russian Cup B15 | St. Petersburg | RUS | 2018-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1314 | 0.50 | 4 | -0.61 | 40 | -24.40 | |
|  Shushkov, Aleksey | | | 1476 | RUS | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Skripchenko, Ignat | | | 1416 | RUS | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Korobitsyna, Olesya | | | 1552 | RUS | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Khandarova, Irina | | | 1497 | RUS | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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