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Individual Calculations April 2015 |
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| Gkikas, Ioannis Total change: -26.40 | |   |
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| 11th open Triantafylos Siaperas 2015 | Athens - Ambelokipoi | GRE | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1502 | 1376 | 1.50 | 4 | 0.13 | 40 | 5.20 | |
|  Ypsilantis, Nikolaos | | | 1644 | GRE | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Tzagarakis, Georgios | | | 1605 | GRE | 0.00 | 1 | -0.21 | 40 | -8.40 | |  Foutouhos, Dimitrios | | | 1468 | GRE | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Mandridis, Pantelis | | | 1290 | GRE | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | 2015 ESSNA team championship - POA | Attica | GRE | 2015-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1376 | 0.00 | 3 | -0.79 | 40 | -31.60 | |
| | Tsekouras, Andreas | | | 1537 | GRE | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Pappelis, Konstantinos | | | 1776 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Loukisas, Dimitrios | | | 1437 | GRE | 0.00 | 1 | -0.42 | 40 | -16.80 | | | * 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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