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Individual Calculations April 2020 |
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| Kalaba, Mutale Total change: 20.80 | |   |
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| ZONE 9 CHESS TOURNAMENT | Chipata | ZAM | 2020-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 1918 | 4.00 | 7 | 1.04 | 20 | 20.80 | |
|  Bwalya, Gillan | m | | 2318 * | ZAM | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Ngandwe, Maikalange | | | 1790 | ZAM | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Chumfwa, Kelvin | m | | 2212 | ZAM | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Chipeta, Oscar | | | 1719 | ZAM | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Chilufya, Emmanuel | | | 1844 | ZAM | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Zulu, Thomas | | | 2207 | ZAM | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Lyapa , Chisha | | | 1888 | ZAM | 1.00 | 1 | 0.46 | 20 | 9.20 | | | * 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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