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Individual Calculations December 2015 |
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| Kefalas, Sotirios Total change: -68.00 | |   |
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| Autumn open Chessquare 2015 | Ambelokipi | GRE | 2015-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1251 | 1.00 | 5 | -0.16 | 40 | -6.40 | |
|  Katsivardas, Eleftherios | | | 1651 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Diatsintos, Ilias | | | 1618 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Skondras, Gerasimos | | | 1530 | GRE | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Mavroudis, Dionisios | | | 1513 | GRE | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Proveleggios, Dimitrios | | | 1145 | GRE | 1.00 | 1 | 0.36 | 40 | 14.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2015 Attica youth U12 team championship | Attica | GRE | 2015-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1194 | 1355 | 2.00 | 5 | -1.54 | 40 | -61.60 | |
| | Kosmadakis, Panagiotis | | | 1195 | GRE | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Krassas, Nikolaos | | | 1107 | GRE | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Tsantes, Konstantinos | | | 1147 | GRE | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Damilakos, Ilias | | | 1189 | GRE | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Spanos, Dimitrios | | | 1333 | GRE | 1.00 | 1 | 0.47 | 40 | 18.80 | |
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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