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Individual Calculations April 2017 |
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| Valellis, Georgios Total change: 0.20 | |   |
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| 2017 Team Championship ESSN Attikis - A Local 1 | Attica | GRE | 2017-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 2020 | 3.00 | 5 | 0.01 | 20 | 0.20 | |
|  Terzakis, Athanasios | | | 1764 | GRE | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Laggousis, Andreas | | | 1928 | GRE | 0.50 | 1 | -0.13 | 20 | -2.60 | |  Lakafosis, Ioannis | | | 1975 | GRE | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Tziotis, Sidoros | | | 2017 | GRE | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Spiropoulos, Panagiotis I. | | | 2024 | GRE | 1.00 | 1 | 0.51 | 20 | 10.20 | |
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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