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Individual Calculations December 2017 |
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| Heidarsson, Arnar Total change: -8.80 | |   |
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| Gardabaer Championship 2017 | Gardabaer | ISL | 2017-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1498 | 1.00 | 4 | -0.22 | 40 | -8.80 | |
|  Ragnarsson, Johann | | | 1898 * | ISL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hakonarson, Sverrir | | | 1507 | ISL | 0.50 | 1 | 0.01 | 40 | 0.40 | |  Andrason, Pall | | | 1805 | ISL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Sigurvaldason, Hjalmar | | | 1488 | ISL | 0.50 | 1 | -0.01 | 40 | -0.40 | | | * 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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