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Individual Calculations October 2021 |
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| Vergoulis, Konstantinos Efraim Total change: -6.80 | |   |
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| 2021 September tournament Chess Square | Athens Ampelokipoi | GRE | 2021-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1252 | 1214 | 2.00 | 5 | -0.34 | 20 | -6.80 | |
|  Sideris, Theodoros | | | 1614 * | GRE | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Karatzanos, Konstantinos | | | 1144 | GRE | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Drivas, Georgios I | | | 1204 | GRE | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Kouris, Panagiotis | | | 1017 | GRE | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Danopoulos, Odysseas Dimitrios | | | 1283 | GRE | 0.00 | 1 | -0.40 | 20 | -8.00 | | | * 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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