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Individual Calculations September 2021 |
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| Arapkoules, Symeon Total change: -28.20 | |   |
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| 28th International Open Nikaia 2021 Honour to National Resistance - Group B | Nikaia | GRE | 2021-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1117 | 1193 | 1.00 | 4 | -1.41 | 20 | -28.20 | |
|  Drivas, Georgios I | | | 1110 | GRE | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Ilias, Nikolaos | | | 1139 | GRE | 1.00 | 1 | 0.42 | 20 | 8.40 | |  Kokkalis, Stefanos | | | 1065 | GRE | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Nikitidis, Vasilios | | | 1154 | GRE | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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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