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Individual Calculations April 2017 |
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| Kokondylis, Stylianos Total change: -23.80 | |   |
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| 20th open SO Peristeriou | Peristeri | GRE | 2017-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1600 | 1.00 | 4 | -0.48 | 20 | -9.60 | |
|  Tsourekas, Kyriakos | | | 1200 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Vazelakis, Dimitrios | | | 1901 | GRE | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Sienczewski, Zbigniew | | | 1947 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Ntaifas, Ioannis | | | 1749 | GRE | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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) | | | | 2017 Team Championship ESSN Attikis - A Local 2 | Attica | GRE | 2017-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1600 | 0.00 | 2 | -0.88 | 20 | -17.60 | |
| | Zoulis, Emmanouil | | | 1704 | GRE | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Roussos, Antonis | | | 1588 | GRE | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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) | | | | 1st under 1600 tournament PS Peristeriou 2017 | Peristeri | GRE | 2017-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1600 | 1.50 | 6 | 0.17 | 20 | 3.40 | |
| | Tourkolias, Dimitrios | | | 1694 | GRE | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Georgakopoulos, Vasilios | | | 1879 | GRE | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Efthimiou, Georgios | | | 1811 | GRE | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Kofinas, Hristos | | | 1847 | GRE | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Ntaifas, Ioannis | | | 1749 | GRE | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Kostouros, Alexandros | | | 2000 * | GRE | 0.50 | 1 | 0.42 | 20 | 8.40 | | | * 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) | | |
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