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Individual Calculations March 2015 |
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| Sigurdsson, Birkir Karl Total change: 11.20 | |   |
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| Reykjavik Chess Championship 2015 | Reykjavik | ISL | 2015-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1756 | 3.50 | 8 | 0.62 | 20 | 12.40 | |
|  Ingvason, Johann | | | 2126 | ISL | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Kristofersson, Sindri Snaer | | | 1356 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Birkisson, Bjorn Holm | | | 1911 | ISL | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Hardarson, Jon Trausti | | | 2067 | ISL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Bjarnason, Vignir | | | 1888 | ISL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Jonsson, Olafur Gisli | | | 1871 | ISL | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Gardarsson, Hordur | | | 1784 | ISL | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Benediktsson, Thorir | | | 1895 | ISL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | | | Huginn Chess Club and Breidablik Chess Club Guest Tournament 2015 | Kopavogur | ISL | 2015-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1756 | 2.00 | 6 | -0.06 | 20 | -1.20 | |
| | Karlsson, Mikael Johann | | | 2077 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Gunnarsson, Sigurdur Jon | | | 1921 | ISL | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Stefansson, Vignir Vatnar | | | 1959 | ISL | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Halldorsson, Kristjan | | | 1846 | ISL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Ragnarsson, Heimir Pall | | | 1490 | ISL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Baldvinsson, Loftur | | | 1987 | ISL | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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