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Individual Calculations December 2018 |
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| Chumfwa, Kelvin Total change: -52.60 | |   |
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| Kitwe Open Chess Tournament | Kitwe | ZAM | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 2253 | 3.50 | 7 | -2.63 | 20 | -52.60 | |
|  Nyimbili, Dalington | c | | 2025 | ZAM | 0.00 | 1 | -0.79 | 20 | -15.80 | |  Kafumbwe, Webster | c | | 2059 | ZAM | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Meleka, Joseph | | | 1853 * | ZAM | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Kenneth, Tembo | | | 1853 * | ZAM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mulenga, Peter | | | 1867 | ZAM | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Nosiku, Muyunda | | | 1853 * | ZAM | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Musonda, Brain | | | 1853 * | ZAM | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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