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Individual Calculations May 2017 |
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| Viglundsson, Bjorgvin Total change: -19.80 | |   |
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| Skakmot odlinga 2017 | Reykjavik | ISL | 2017-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2185 | 6.00 | 7 | 1.15 | 20 | 23.00 | |
|  Jonsson, Olafur Gisli | | | 1865 | ISL | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Saevaldsson, Kristinn Jon | | | 1934 | ISL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Matthiasson, Magnus | | | 1785 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Johannesson, Ingvar Thor | f | | 2377 | ISL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Sigurjonsson, Siguringi | | | 2021 | ISL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Olafsson, Thorvardur | | | 2188 | ISL | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Valtysson, Thor | | | 1962 | ISL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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) | | | | Askorendaflokkur Skakthings Islands 2017 | Kopavogur | ISL | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 2143 | 5.50 | 9 | -0.25 | 20 | -5.00 | |
| | Jonasson, Hordur | | | 1743 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gislason, Gudmundur | f | | 2314 | ISL | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Hjaltason, Elvar Orn | | | 1743 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Edvardsson, Kristjan | | | 2228 | ISL | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Sigurthorsson, Kristinn J | | | 1743 * | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Valdimarsson, Einar | | | 2026 | ISL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Thorhallsson, Gylfi | | | 2070 | ISL | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Ingvason, Johann | | | 2121 | ISL | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Halldorsson, Bragi | | | 2110 | ISL | 1.00 | 1 | 0.45 | 20 | 9.00 | | | * 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) | | | | GAMMA Reykjavik Open 2017 | Reykjavik | ISL | 2017-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2143 | 3.00 | 7 | -1.89 | 20 | -37.80 | |
| | Lemos, Damian | g | | 2471 | ARG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Green, Per | | | 1966 | SWE | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Heidarsson, Arnar | | | 1743 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Haraldsson, Haraldur | | | 1941 | ISL | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Briem, Stephan | | | 1865 | ISL | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Agustsson, Hafsteinn | | | 1921 | ISL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Valtysson, Thor | | | 1955 | ISL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | * 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) | | |
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