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Individual Calculations April 2023 |
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| Giatrakos, Orestis Total change: -1.60 | |   |
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| 2023 Team Championship of Attica - C Category rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1897 | 2.00 | 4 | -0.08 | 20 | -1.60 | |
|  Drakopoulos, Polihronis | | | 2069 | GRE | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Sotirakis, Konstantinos | | | 1981 | GRE | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Koursaris, Nikolaos | | | 1797 | GRE | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Giannelos, Stylianos | | | 1670 | GRE | 0.50 | 1 | -0.29 | 20 | -5.80 | |
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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