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Individual Calculations February 2013 |
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| Tsivourakis, Panteleimon Total change: -23.10 | |   |
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| 1st Christmas Open 2012 - Skakistiki Epikoinonia - A' Group | Athens | GRE | 2012-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 1623 | 0.50 | 4 | -0.73 | 30 | -21.90 | |
|  Angelopoulos, Georgios | | | 2023 * | GRE | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Sienczewski, Zbigniew | | | 2023 * | GRE | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Efthimiou, Georgios | | | 1869 | GRE | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Kouta, Vasiliki | | | 1286 | GRE | 0.50 | 1 | -0.38 | 30 | -11.40 | | | * 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) | | | NOTE: K factor changed | | 2nd Christmas tournament of Nikaia - A' Group | Athens - Nikaia | GRE | 2013-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1623 | 1.00 | 4 | -0.08 | 15 | -1.20 | |
| | Kouskoutis, Georgios-Alexandros | | | 1882 | GRE | 0.00 | 1 | -0.18 | 15 | -2.70 | |  Haldaiakis, Vasilios | | | 1749 | GRE | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Girvalakis, Spyridon | | | 2023 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Stavropoulos, Konstantinos | | | 1632 | GRE | 0.00 | 1 | -0.49 | 15 | -7.35 | | | * 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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