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Individual Calculations May 2019 |
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| Johannsson, Birkir Isak Total change: -24.40 | |   |
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| GAMMA Reykjavik Open 2019 | Reykjavik | ISL | 2019-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 2005 | 2.50 | 6 | -0.61 | 40 | -24.40 | |
|  Stefansson, Vignir Vatnar | f | | 2293 | ISL | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Huber-Delle, Guenther | | | 1732 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Eiriksson, Sigurdur | | | 1807 | ISL | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Nergard, Ole-Kristian | | | 1605 * | NOR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ingvason, Johann | | | 2181 | ISL | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Sohal, Tanraj | f | | 2280 | CAN | 0.50 | 1 | 0.33 | 40 | 13.20 | | | * 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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