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Individual Calculations July 2019 |
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| Stefansson, Vignir Vatnar Total change: -0.90 | |   |
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| Icelandic Open 2019 | Akureyri | ISL | 2019-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2177 | 2291 | 5.50 | 9 | -0.09 | 10 | -0.90 | |
|  Leosson, Atli Johann | | | 1891 * | ISL | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Ragnarsson, Johann | | | 1968 | ISL | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Sigurdsson, Snorri Thor | | | 1965 | ISL | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Pupols, Viktors | | | 2023 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Hillarp Persson, Tiger | g | | 2563 | SWE | 0.50 | 1 | 0.33 | 10 | 3.30 | | | Gunnarsson, Jon Viktor | m | | 2452 | ISL | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Thorfinnsson, Bjorn | m | | 2389 | ISL | 0.50 | 1 | 0.13 | 10 | 1.30 | | | Sarkar, Justin | m | | 2358 | USA | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Johannsson, Birkir Isak | | | 1981 | ISL | 1.00 | 1 | 0.14 | 10 | 1.40 | | | * 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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