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Rapid:
Individual Calculations January 2018 |
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| Stefansson, Vignir Vatnar Total change: 26.40 | |   |
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| Islandsmot unglingasveita 2017 | Gardabaer | ISL | 2017-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 2019 | 5.50 | 6 | -0.02 | 20 | -0.40 | |
|  Siguringason, Solon | | | 1619 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Briem, Stephan | | | 1619 * | ISL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Davidsson, Joshua | | | 1619 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gudmundsson, Gunnar Erik | | | 1619 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunnarsson, Kjartan Karl | | | 1619 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jonsson, Kristjan Dagur | | | 1619 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Unglingameistaramot Islands 2017 (u22) | Reykjavik | ISL | 2017-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 2019 | 5.00 | 6 | 1.34 | 20 | 26.80 | |
| | Sigurdsson, Birkir Karl | | | 1853 | ISL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Johannesson, Oliver | f | | 2134 | ISL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Jonsson, Gauti Pall | | | 1812 | ISL | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Sigurdsson, Birkir Karl | | | 1853 | ISL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Johannesson, Oliver | f | | 2134 | ISL | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Jonsson, Gauti Pall | | | 1812 | ISL | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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