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Individual Calculations January 2024 |
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| Chumfwa, Kelvin Total change: 30.40 | |   |
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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 |
| 1986 | 2118 | 7.50 | 9 | 1.52 | 20 | 30.40 | |
|  Mulenga, Titus | | | 1897 | ZAM | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Mukosha, Joshua | | | 2013 | ZAM | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Elliot, Blessings Zulu | | | 1913 | ZAM | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Shawa, Charles | | | 1752 | ZAM | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Phiri, Godwin | c | | 2218 | ZAM | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Kameya, Robson | | | 2033 | ZAM | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Masikini, Cornelius | | | 2047 | ZAM | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Kanyoka, Kennedy | | | 2034 | ZAM | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Mubanga, Mwandu | | | 1966 | ZAM | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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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