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Individual Calculations March 2011 |
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| Sigurdsson, Birkir Karl Total change: 8.70 | |   |
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| Reykjavik Championship 2011 | Reykjavik | ISL | 2011-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1822 | 1472 | 1.00 | 6 | 0.31 | 15 | 4.65 | |
|  Fridjonsson, Julius | | | 1872 * | ISL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Fridthjofsdottir, Sigurl Regina | | | 1823 | ISL | 1.00 | 1 | 0.89 | 15 | 13.35 | |  Teitsson, Smari Rafn | | | 1872 * | ISL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kristinsson, Bjarni Jens | | | 1872 * | ISL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Helgadottir, Sigridur Bjorg | | | 1714 | ISL | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Finnbogadottir, Tinna Kristin | | | 1776 | ISL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | * 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) | | | | Sudurlandsmotid 2011 | Selfoss | ISL | 2011-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1472 | 0.50 | 2 | 0.27 | 15 | 4.05 | |
| | Sverrisson, Nokkvi | | | 1787 | ISL | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Johannsson, Orn Leo | | | 1854 | ISL | 0.00 | 1 | -0.09 | 15 | -1.35 | |
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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