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Individual Calculations May 2015 |
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| Kefalas, Sotirios Total change: -82.80 | |   |
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| 1st Open Thomas Georgiou 2015 | Ambelokipi | GRE | 2015-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1300 | 1.00 | 6 | -0.79 | 40 | -31.60 | |
|  Papamichael, Georgios | | | 1688 | GRE | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Beliotis, Georgios | | | 1676 | GRE | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Fanourgakis, Konstantinos | | | 1674 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Damilakos, Ilias | | | 1139 | GRE | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Mokas, Vasilios | | | 1607 | GRE | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Simitzoglou, Panos | | | 1186 | GRE | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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) | | | | 2015 youth championhips ESSNA - open 12 | Athens | GRE | 2015-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1116 | 1318 | 1.00 | 3 | -1.28 | 40 | -51.20 | |
| | Fotiadis, Filippos | | | 1109 | GRE | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Nteligiorgis, Eleftherios | | | 1070 | GRE | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Koliopantos, Christos | | | 1169 | GRE | 0.50 | 1 | -0.20 | 40 | -8.00 | |
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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