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Individual Calculations December 2021 |
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| Petersson, Kjell Total change: -18.60 | |   |
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| Hasselbacken Chess Open 2021 Lang | Stockholm | SWE | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2025 | 1.00 | 4 | -0.60 | 20 | -12.00 | |
|  Torngren, Gustav | f | | 2214 | SWE | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Crevatin, Leo | c | | 2243 | SWE | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Fridman, Arvid | | | 1813 | SWE | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Svensson, Mikael | | | 2128 | SWE | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | | | Allskanskan 21/22, Div 1 R2 | Skane | SWE | 2021-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2025 | 0.00 | 1 | -0.33 | 20 | -6.60 | |
| | Lindahl, Jonas | | | 2148 | SWE | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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