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Individual Calculations January 2024 |
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| Mumba, Samuel Total change: -35.20 | |   |
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| Copperbelt Youth and Festive Chess Championship-Open section | Ndola | ZAM | 2023-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 2078 | 2.50 | 6 | -1.76 | 20 | -35.20 | |
|  Banda, Alton | | | 1896 | ZAM | 0.50 | 1 | -0.24 | 20 | -4.80 | |  Kalandanya, Solomon | | | 1900 | ZAM | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Mukosha, Joshua | | | 2013 | ZAM | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Mhlanga, Happy | | | 1754 | ZAM | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Mubanga, Mwandu | | | 1966 | ZAM | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Chimanya, Greenwell | | | 1942 | ZAM | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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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