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Individual Calculations May 2019 |
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| Phiri, I. Joseph Total change: 28.80 | |   |
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| 2019 Zambia Closed Chess Championships - Open Section | Lusaka | ZAM | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 1886 | 2.50 | 5 | 0.72 | 40 | 28.80 | |
|  Nshikokola, Philip | | | 1955 | ZAM | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Musonda, Chola | f | | 2080 | ZAM | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Mwenya, Oscar | c | | 2106 | ZAM | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Kantalamba, Mushota | | | 2060 | ZAM | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Banda, Brian | | | 1783 | ZAM | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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