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Individual Calculations April 2023 |
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| Kopsacheilis, Christos Total change: -64.40 | |   |
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| 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1459 | 1451 | 0.00 | 3 | -1.57 | 40 | -62.80 | |
|  Mitzas, Dimitris | | | 1343 | GRE | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Karanasou, Ourania Fanouria | | | 1138 | GRE | 0.00 | 1 | -0.86 | 40 | -34.40 | |  Kosmas, Hristos | | | 1895 | GRE | 0.00 | 1 | -0.06 | 40 | -2.40 | |
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) | | | | 2023 Team Championship of Attica - A Local rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1451 | 0.00 | 1 | -0.04 | 40 | -1.60 | |
| | Giordos, Vasilios | | | 1967 | GRE | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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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