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Individual Calculations April 2017 |
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| Chumfwa, Kelvin Total change: -17.20 | |   |
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| Lusaka Province Chess Association Pre-Season Tournament | Lusaka | ZAM | 2017-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 2245 | 4.00 | 6 | -0.86 | 20 | -17.20 | |
|  Chabala, Efford | | | 1905 | ZAM | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Siakasimbo, Aubrey | | | 2026 | ZAM | 0.00 | 1 | -0.78 | 20 | -15.60 | |  Mate, Emmanuel | | | 1845 * | ZAM | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mukosha, Joshua | | | 2050 | ZAM | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Simulundu, Judah | | | 2115 | ZAM | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Chikuse, Leslie | | | 1952 | ZAM | 0.50 | 1 | -0.35 | 20 | -7.00 | | | * 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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