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Individual Calculations April 2008 |
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| Sigurdsson, Jakob Saevar Total change: -2.75 | |   |
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| Hafnarfjordur Championship 2007 | Reykjavik | ISL | 2007-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1837 | 1.50 | 5 | -0.26 | 25 | -6.50 | |
|  Palsson, Svanberg Mar | | | 1829 | ISL | 0.50 | 1 | -0.01 | 25 | -0.25 | |  Bjornsson, Sverrir Orn | | | 2107 | ISL | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Petursson, Daniel | | | 1975 | ISL | 1.00 | 1 | 0.69 | 25 | 17.25 | | | Fridgeirsson, Dagur Andri | | | 1804 | ISL | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Rodriguez Fonseca, Jorge | | | 2057 | ESP | 0.00 | 1 | -0.22 | 25 | -5.50 | |
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 4 div | Reykjavik | ISL | 2008-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1827 | 0.50 | 1 | 0.15 | 25 | 3.75 | |
| | Ingason, Sigurdur | | | 1940 | ISL | 0.50 | 1 | 0.15 | 25 | 3.75 | |
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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