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Individual Calculations July 2009 |
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| Jonsson, Olafur Gisli Total change: 4.05 | |   |
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| Icelandic Team Champ div 4 | Akureyri | ISL | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 1915 | 0.50 | 1 | 0.32 | 15 | 4.80 | |
|  Bjornsson, Tomas | f | | 2173 | ISL | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | Reykjavík Open | Reykjavík | ISL | 2009-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1915 | 3.50 | 9 | -0.05 | 15 | -0.75 | |
| | Lagerman, Robert | f | | 2265 | ISL | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Naslund, Mikael | f | | 2195 | SWE | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Andrason, Pall | | | 1567 | ISL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Bjornsson, Sverrir Orn | | | 2161 | ISL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Thorsson, Olafur | | | 2199 | ISL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Kristinsson, Bjarni Jens | | | 1953 | ISL | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Magnusson, Patrekur Maron | | | 1904 | ISL | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Jonsson, Bjorn | | | 2012 | ISL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Gudmundsdottir, Geirthrudur Ann | | | 1763 | ISL | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | |
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