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Individual Calculations October 2023 |
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| Petrakis, Ilias Total change: 14.20 | |   |
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| 50th National Team Championship of A Category 2023 | Athens | GRE | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 2103 | 4.00 | 5 | 0.71 | 20 | 14.20 | |
|  Poulos, Georgios | | | 1886 | GRE | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Drakoulakos, Grigorios | f | | 2275 | GRE | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Ladas, Dimitrios | | | 1919 | GRE | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Konstantelias, Konstantinos | | | 1911 | GRE | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Stathatos, Alexandros | | | 1912 | GRE | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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