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Individual Calculations April 2023 |
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| Kefalis, Hristos Total change: -15.80 | |   |
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| 2023 Team Championship of Attica - A Local rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 2068 | 1.50 | 3 | -0.79 | 20 | -15.80 | |
|  Pelekis, Georgios | | | 1719 | GRE | 0.50 | 1 | -0.39 | 20 | -7.80 | |  Laggousis, Andreas | | | 1899 | GRE | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Siamidis, Dimitrios | | | 1936 | GRE | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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