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Individual Calculations January 2016 |
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| Spirakopoulos, Ioannis Total change: -17.80 | |   |
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| 2015 Spyros "Bikos Attica Cup" - A group | Attica | GRE | 2015-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2110 | 2.00 | 4 | -0.43 | 20 | -8.60 | |
|  Pandelidis, Ioannis | | | 2134 | GRE | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Delithanasis, Dimitrios | | | 2095 | GRE | 0.50 | 1 | -0.02 | 20 | -0.40 | |  Sideris, Theodoros | | | 1967 | GRE | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Pappas, Apostolos | | | 1919 | GRE | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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) | | | | Celebration open Chessquare 2015 | Ambelokipi | GRE | 2015-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 2110 | 4.50 | 6 | -0.46 | 20 | -9.20 | |
| | Letsios, Vasileios | | | 1710 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Loukopoulos, Panagiotis-Athanasi | | | 1710 * | GRE | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Laspas, Antonios | | | 1710 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fakkas, Argiris | | | 1710 * | GRE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Poulopoulos, Ioannis | | | 2154 | GRE | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Efthimiou, Georgios | | | 1828 | GRE | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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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