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Individual Calculations October 2021 |
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| Birkisson, Bardur Orn Total change: -22.20 | |   |
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| European Individual Chess Championship - Reykjavik Open 2021 | Reykjavik | ISL | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2163 | 5.00 | 11 | -1.11 | 20 | -22.20 | |
|  Demchenko, Anton | g | | 2563 * | RUS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Kjartansson, Matthias Bjorgvin | | | 1763 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gretarsson, Helgi Ass | g | | 2447 | ISL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Gudmundsson, Gunnar Erik | | | 1844 | ISL | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Tummasarson, Flovin M. | | | 1763 * | FAI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Koellner, Ruben Gideon | f | | 2418 | GER | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Agustsson, Hafsteinn | | | 1803 | ISL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Vogel, Roven | m | | 2441 | GER | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Moller, Agnar T | | | 1932 | ISL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Stefansson, Vignir Vatnar | m | | 2371 | ISL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Acevedo Mendez, Lisseth | | wm | 1825 | ISL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | * 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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