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Individual Calculations December 2021 |
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| Johannsson, Birkir Isak Total change: -20.60 | |   |
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| Hasselbacken Chess Open 2021 Lang | Stockholm | SWE | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2109 | 1.50 | 4 | -1.03 | 20 | -20.60 | |
|  Bellon Lopez, Juan Manuel | g | | 2326 | SWE | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Engfeldt, Jan | | | 1947 | SWE | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Grahn, Vidar | | | 1756 | SWE | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Moller, Agnar T | | | 1952 | ISL | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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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