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Individual Calculations July 2009 |
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| Jonsson, Sigurdur H Total change: 9.75 | |   |
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| Icelandic Team Champ div 2 | Akureyri | ISL | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1879 | 1.00 | 2 | 0.29 | 15 | 4.35 | |
|  Thorvaldsson, Arni | | | 2023 | ISL | 1.00 | 1 | 0.69 | 15 | 10.35 | |  Ingason, Sigurdur | | | 1949 | ISL | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | Skakmot Odlinga 2009 | Reykjavik | ISL | 2009-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 1879 | 2.00 | 5 | 0.36 | 15 | 5.40 | |
| | Thorsteinsson, Thorsteinn | f | | 2229 | ISL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Palsson, Halldor | | | 1952 | ISL | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Valtysson, Thor | | | 2090 | ISL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Fridthjofsdottir, Sigurl Regin | | | 1789 | ISL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Bjornsson, Eirikur K | | | 2046 | ISL | 0.00 | 1 | -0.28 | 15 | -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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