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Individual Calculations December 2017 |
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| Ragnarsson, Johann Total change: -42.60 | |   |
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| Gardabaer Championship 2017 | Gardabaer | ISL | 2017-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 2051 | 2.50 | 7 | -2.13 | 20 | -42.60 | |
|  Heidarsson, Arnar | | | 1651 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Sigurdsson, Pall | | | 1978 | ISL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Karcher, Patrick | | | 2113 | GER | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Birkisson, Bjorn Holm | | | 2023 | ISL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Jonsson, Gauti Pall | | | 2011 | ISL | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Sigurvaldason, Hjalmar | | | 1651 * | ISL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Bjornsson, Eirikur K. | | | 1919 | ISL | 0.00 | 1 | -0.68 | 20 | -13.60 | | | * 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) | | |
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