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Individual Calculations January 2019 |
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| Skoufas, Georgios Total change: -22.80 | |   |
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| Under 1900 Athens Challenge Autumn 2018 | Heraklio Attikis | GRE | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1456 | 1625 | 2.50 | 5 | -0.87 | 20 | -17.40 | |
|  Larkin, Leonidas | | | 1225 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Vazelakis, Dimitrios | | | 1887 | GRE | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Ter-Gevorkian, Giannis | | | 1638 | GRE | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Tampakis, Vasileios | | | 1304 | GRE | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Apergis, Vasileios | | | 1225 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 8th open OPA Cholargou 2018 | Cholargos | GRE | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1625 | 2.00 | 4 | -0.27 | 20 | -5.40 | |
| | Kafousopoulos, Fotios | | | 1225 * | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Rodopoulos, Aristeidis | | | 1444 | GRE | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Marten, Iakovos | | | 1895 | GRE | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Karounis, Ioannis | | | 1670 | GRE | 1.00 | 1 | 0.56 | 20 | 11.20 | | | * 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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