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Individual Calculations January 2019 |
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| Mukosha, Joshua Total change: 20.60 | |   |
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| Bank of Zambia Christmas Open Chess Tournament | Ndola | ZAM | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 2010 | 4.00 | 5 | 1.03 | 20 | 20.60 | |
|  Simon, Sinkala | | | 1843 | ZAM | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Kalandanya, Solomon | | | 1925 | ZAM | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Muhongo, Nixon | | | 1736 | ZAM | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ngonga, Bornface | | | 2131 | ZAM | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Nyirenda, Alick | | | 2041 | ZAM | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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