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Individual Calculations April 2016 |
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| Sigurdsson, Birkir Karl Total change: 26.20 | |   |
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| Icelandic Team Championship 2015-16 - 4th Div. 2nd stage | Reykjavik | ISL | 2016-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1857 | 2.00 | 3 | 0.70 | 20 | 14.00 | |
|  Arnljotsson, Jon | | | 1846 | ISL | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Brynjarsson, Helgi | | | 2010 | ISL | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Sigurdsson, Arnljotur | | | 1868 | ISL | 1.00 | 1 | 0.52 | 20 | 10.40 | |
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) | | | | Reykjavik Open 2016 | Reykjavik | ISL | 2016-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 1857 | 4.50 | 10 | 0.61 | 20 | 12.20 | |
| | Jackson, James P | f | | 2257 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Grandelius, Nils | g | | 2257 * | SWE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Finnsson, Johann Arnar | | | 1664 | ISL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Freuler, Roman | | | 2047 | SUI | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Runarsson, Gunnar | | | 2028 | ISL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Davidsson, Oskar Vikingur | | | 1628 | ISL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Fransson, Lennart | | | 2144 | SWE | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Ontiveros, John | | | 1729 | ISL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Lobersli, Henrik Oie | | | 2134 | NOR | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Gardarsson, Hordur | | | 1731 | ISL | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * 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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