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Individual Calculations December 2021 |
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| Arvidsson, Jonas Total change: -3.20 | |   |
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| Hasselbacken Chess Open 2021 Lang | Stockholm | SWE | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1935 | 2.50 | 4 | -0.16 | 20 | -3.20 | |
|  Jernselius, Kjell | | | 1761 | SWE | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Mardell, Jonas | | | 2107 | SWE | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Svanberg, Albin | | | 1645 | SWE | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Ostensson, Julia | | | 1675 | SWE | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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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