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Individual Calculations July 2012 |
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| Sigurdsson, Birkir Karl Total change: -18.90 | |   |
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| Stigamot Hellis 2012 | Reykjavik | ISL | 2012-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1728 | 0.50 | 3 | -0.82 | 15 | -12.30 | |
|  Hardarson, Jon Trausti | | | 1762 | ISL | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Ragnarsson, Dagur | | | 1903 | ISL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Thoroddsen, Arni | | | 1653 | ISL | 0.00 | 1 | -0.60 | 15 | -9.00 | |
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) | | | | Icelandic Chess School Championship | Reykjavik | ISL | 2012-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1728 | 1.50 | 4 | -0.44 | 15 | -6.60 | |
| | Hauksdottir, Hrund | | | 1676 | ISL | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Johannsdottir, Johanna Bjorg | | | 1885 | ISL | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Karlsson, Mikael Johann | | | 1926 | ISL | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Davidsdottir, Nansy | | | 1443 | ISL | 0.50 | 1 | -0.34 | 15 | -5.10 | |
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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