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Individual Calculations July 2009 |
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| Petursson, Gudni Total change: -1.80 | |   |
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| Icelandic Team Champ div 1 | Akureyri | ISL | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 2132 | 1.00 | 3 | -0.12 | 15 | -1.80 | |
|  Einarsson, Bergsteinn | | | 2224 | ISL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Bjornsson, Sigurbjorn | f | | 2324 | ISL | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Berg, Runar | | | 2130 | ISL | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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) | | |
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