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Individual Calculations January 2019 |
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| Kaulule Siame, Kela Total change: -17.20 | |   |
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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 |
| 1896 | 2139 | 3.00 | 5 | -0.86 | 20 | -17.20 | |
|  Kalandanya, Solomon | | | 1925 | ZAM | 0.00 | 1 | -0.77 | 20 | -15.40 | |  Simon, Sinkala | | | 1843 | ZAM | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Sinkala, Given | | | 1745 | ZAM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sichone, Paul | | | 1769 | ZAM | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Chumfwa, Kelvin | m | | 2200 | ZAM | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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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