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Individual Calculations July 2013 |
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| Arvanitakis, Panagiotis Total change: -6.45 | |   |
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| 9th chess tournament of Panellinios - APO Kotinos under 1800 | Athens | GRE | 2013-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1621 | 1633 | 4.00 | 6 | 0.91 | 15 | 13.65 | |
|  Kouvelakis, Konstantinos | | | 1866 | GRE | 0.50 | 1 | 0.29 | 15 | 4.35 | |  Kolomvakis, Stelios | | | 1793 | GRE | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Kavvadias, Dionysios | | | 1430 | GRE | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Tsonis, Loukas | | | 1391 | GRE | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Kollias, Georgios | | | 1711 | GRE | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Diatsintos, Ilias | | | 1534 | GRE | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | 16th open Heraklion Attikis - B' Group | Athens - Heraklio Attikis | GRE | 2013-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1650 | 3.50 | 6 | -1.34 | 15 | -20.10 | |
| | Kasioumis, Vasilios | | | 1250 * | GRE | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Dallis, Ioannis | | | 1393 | GRE | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Polikretis, Mattheos | | | 1439 | GRE | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Karagiannis, Georgios | | | 1438 | GRE | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Darviris, Panagiotis | | | 1455 | GRE | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Kapellas, Alexandros | | | 1403 | GRE | 0.00 | 1 | -0.81 | 15 | -12.15 | | | * 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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