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Individual Calculations February 2017 |
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| Brighton, Chiumya Total change: -18.80 | |   |
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| Copperbelt Open Chess Championship - 2016 | Ndola | ZAM | 2016-12-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1776 | 2008 | 2.50 | 4 | -0.64 | 40 | -25.60 | |
|  Elliot, Blessings Zulu | | | 1805 | ZAM | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Mumba, Micheal | | | 1674 | ZAM | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Muchindu, Daniel | | | 1765 | ZAM | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Lungu, Tedius | | | 1860 | ZAM | 0.00 | 1 | -0.70 | 40 | -28.00 | |
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) | | | | Second Phase National Team Trials - 2017 | Ndola | ZAM | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 2008 | 4.50 | 8 | 0.17 | 40 | 6.80 | |
| | Modwell, Mukumbi | | | 1894 | ZAM | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Goma, Panji | | | 1917 | ZAM | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Lackson, Sinkutwa | | | 1882 | ZAM | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Mwansa, Mambwe | | | 1895 | ZAM | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Dimba, James | c | | 2078 | ZAM | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Akazembe, Moses | | | 1897 | ZAM | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Simutowe, Musatwe | c | | 2216 | ZAM | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Mubanga, Mwandu | | | 2047 | ZAM | 0.00 | 1 | -0.45 | 40 | -18.00 | |
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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