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Individual Calculations January 2010 |
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| Johannsson, Orn Leo Total change: -19.75 | |   |
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| Gardabaer and Hafnarfjordur Champ 2009 | Gardabaer | ISL | 2009-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1730 | 2.50 | 5 | -0.79 | 25 | -19.75 | |
|  Kjartansson, Dagur | | | 1449 | ISL | 0.00 | 1 | -0.84 | 25 | -21.00 | | | Andrason, Pall | | | 1573 | ISL | 0.50 | 1 | -0.21 | 25 | -5.25 | | | Sigurdsson, Birkir Karl | | | 1451 | ISL | 1.00 | 1 | 0.16 | 25 | 4.00 | | | Bergsson, Stefan | | | 2083 | ISL | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Lee, Gudmundur Kristinn | | | 1499 | ISL | 1.00 | 1 | 0.21 | 25 | 5.25 | |
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) | | |
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