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Individual Calculations October 2008 |
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| Halldorsson, Halldor Total change: -16.35 | |   |
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| Helgarskakmot Hellis og TR | Reykjavik | ISL | 2008-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2217 | 1.50 | 3 | -0.34 | 15 | -5.10 | |
|  Leosson, Torfi | | | 2141 | ISL | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Thorgeirsson, Sverrir | | | 2102 | ISL | 0.00 | 1 | -0.66 | 15 | -9.90 | |  Bjornsson, Sverrir Orn | | | 2161 | ISL | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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) | | | | Icelandic Championship 2008 - Challengers | Reykjavik | ISL | 2008-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2217 | 5.00 | 8 | -0.75 | 15 | -11.25 | |
| | Fridgeirsson, Dagur Andri | | | 1867 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Brynjarsson, Helgi | | | 1920 | ISL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Bjornsson, Sigurbjorn | f | | 2316 | ISL | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Bjarnason, Saevar | m | | 2216 | ISL | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Johannsdottir, Johanna Bjorg | | | 1867 | ISL | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Jonsson, Olafur Gisli | | | 1898 | ISL | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Benediktsson, Thorir | | | 1886 | ISL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Salama, Omar | | | 2212 | EGY | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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