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Individual Calculations June 2017 |
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| Zervogiannis, Alexandros Total change: -7.20 | |   |
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| 3rd open OPA Cholargou 2017 | Cholargos | GRE | 2017-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1850 | 2.00 | 4 | -0.57 | 20 | -11.40 | |
|  Sideris, Theodoros | | | 1953 | GRE | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Sideris, Vasilios | | | 1450 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sienczewski, Zbigniew | | | 1946 | POL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Charaklias, Stefanos | | | 1450 * | 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) | | | | 2017 Attica Team Cup - ESSNA | ESSNA | GRE | 2017-04-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1850 | 0.50 | 1 | 0.21 | 20 | 4.20 | |
| | Tzortzis, Dimitrios | | | 2004 | GRE | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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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