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Individual Calculations May 2019 |
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| Mangani, Happy J Total change: 10.00 | |   |
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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 |
| 1990 | 1858 | 2.00 | 5 | 0.25 | 40 | 10.00 | |
|  Daka, Justin | | | 2193 | ZAM | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Kaluba, Yanick | | | 1673 | ZAM | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Hapaku, Charles | c | | 2156 | ZAM | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Samuel, Mulenga | | | 1847 | ZAM | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Simulundu, Judah | | | 2080 | ZAM | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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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