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Individual Calculations April 2023 |
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| Themeli, Dimitra Total change: 12.80 | |   |
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| 2023 Attica Friendship Cup | Attica | GRE | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1560 | 0.50 | 1 | -0.03 | 20 | -0.60 | |
|  Haldaiakis, Vasilios | | | 1540 | GRE | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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) | | | | 2023 Team Championship of Attica - C Category rounds 1-5 | Attica | GRE | 2023-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1560 | 1.00 | 3 | 0.67 | 20 | 13.40 | |
| | Georgoulias, Dionisios | | | 1952 | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Eftimakis, Dimitros | | | 1971 | GRE | 1.00 | 1 | 0.92 | 20 | 18.40 | |  Samartzis, Mihail | | | 1836 | GRE | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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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