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Individual Calculations July 2008 |
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| Sigurdsson, Jakob Saevar Total change: 36.25 | |   |
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| Akureyri Championship 2008 | Akureyri | ISL | 2008-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 1827 | 1.00 | 3 | 0.27 | 25 | 6.75 | |
|  Eiriksson, Sigurdur | | | 1940 | ISL | 0.00 | 1 | -0.35 | 25 | -8.75 | |  Halldorsson, Hjorleifur | | | 2039 | ISL | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Arnarson, Sigurdur | | | 2125 | ISL | 1.00 | 1 | 0.85 | 25 | 21.25 | |
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 Northern tournament | Bakkaflot | ISL | 2008-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2112 | 1824 | 1.50 | 2 | 1.18 | 25 | 29.50 | |
| | Gudmundsson, Kjartan | | | 2050 | ISL | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Karason, Askell O | | | 2174 | ISL | 0.50 | 1 | 0.39 | 25 | 9.75 | |
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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