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Individual Calculations April 2017 |
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| Ntaifas, Ioannis Total change: 34.20 | |   |
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| 13th Tr Siaperas Memorial Open 2017 | Athens | GRE | 2017-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1749 | 4.00 | 7 | 1.67 | 20 | 33.40 | |
|  Sideris, Vasilios | | | 1349 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Poulos, Georgios | | | 2042 | GRE | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Karagiannis, Athanasios | m | | 2149 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Savoglou, Nikolaos | | | 1943 | GRE | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Lakafosis, Ioannis | | | 1975 | GRE | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Delithanasis, Dimitrios | | | 1971 | GRE | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Banos, Polyhronis | | | 1749 | GRE | 0.50 | 1 | 0.00 | 20 | 0.00 | | | * 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) | | | | 20th open SO Peristeriou | Peristeri | GRE | 2017-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1749 | 4.50 | 6 | 0.54 | 20 | 10.80 | |
| | Paraskevopoulou, Zoi | | | 1349 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Livas, Ioannis | | | 1413 | GRE | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Sienczewski, Zbigniew | | | 1947 | POL | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Ladas, Andreas 48722 | | | 1349 * | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Vazelakis, Dimitrios | | | 1901 | GRE | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Kokondylis, Stylianos | | | 1600 | GRE | 1.00 | 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) | | | | 1st under 1600 tournament PS Peristeriou 2017 | Peristeri | GRE | 2017-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1749 | 2.00 | 6 | -0.50 | 20 | -10.00 | |
| | Georgakopoulos, Vasilios | | | 1879 | GRE | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Kofinas, Hristos | | | 1847 | GRE | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Efthimiou, Georgios | | | 1811 | GRE | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Kokondylis, Stylianos | | | 1600 | GRE | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Kostouros, Alexandros | | | 2090 | GRE | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Tourkolias, Dimitrios | | | 1694 | GRE | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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