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Individual Calculations April 2015 |
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| Bjarnason, Vignir Total change: -1.60 | |   |
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| Reykjavik Open 2015 | Reykjavik | ISL | 2015-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 1895 | 2.00 | 8 | -0.01 | 20 | -0.20 | |
|  Gulamali, Kazim | f | | 2295 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Johannesson, Oliver | | | 2212 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Gonzalez Pruneda, Arturo | | | 2131 | ESP | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Palmeri, Ralph P | | | 1642 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Halldorsson, Jon Arni | | | 2150 | ISL | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Karlsson, Mikael Johann | | | 2138 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Weichelt, Jens | | | 2132 | GER | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Halldorsson, Bragi | | | 2140 | ISL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * 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) | | | | Icelandic Team Championship 2014-15 3rd division Round 5-7 | Reykjavik | ISL | 2015-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1895 | 1.00 | 2 | -0.07 | 20 | -1.40 | |
| | Kristinardottir, Elsa Maria | | | 1875 | ISL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Ingibergsson, Valgard | | | 1867 | ISL | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | |
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