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Individual Calculations July 2013 |
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| Davidsson, Oskar Vikingur Total change: -18.30 | |   |
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| Icelandic Open Championship 2013 | Reykjavik | ISL | 2013-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1397 | 1.00 | 4 | -0.61 | 30 | -18.30 | |
|  Hardarson, Jon Trausti | | | 1797 * | ISL | 0.00 | 1 | -0.08 | 30 | -2.40 | |  Stefansson, Vignir Vatnar | | | 1678 | ISL | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Magnusson, Thorsteinn | | | 1335 | ISL | 0.00 | 1 | -0.59 | 30 | -17.70 | | | Kristbergsson, Bjorgvin | | | 1172 | ISL | 1.00 | 1 | 0.22 | 30 | 6.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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