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Individual Calculations July 2009 |
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| Karlsson, Bjorn Ivar Total change: -3.75 | |   |
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| Vormot TV 2009 | Vestmannaeyjar | ISL | 2009-02-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2205 | 0.50 | 1 | -0.01 | 15 | -0.15 | |
|  Fridbertsson, Aegir Pall | | | 2197 | ISL | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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 Team Champ div 2 | Akureyri | ISL | 2009-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2205 | 0.50 | 1 | -0.24 | 15 | -3.60 | |
| | Thorvaldsson, Arni | | | 2023 | ISL | 0.50 | 1 | -0.24 | 15 | -3.60 | |
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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