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Individual Calculations June 2019 |
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| Buumba, Obrian Total change: -31.60 | |   |
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| Southern Zonal Open Chess Tournament - Open Section | Choma | ZAM | 2019-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1875 | 1.00 | 4 | -0.79 | 40 | -31.60 | |
|  Chikuse, Leslie | | | 2169 | ZAM | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Dimba, James | c | | 2088 | ZAM | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Shankanga, Chrispin | | | 1662 | ZAM | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Litebele, Damain | | | 1772 | 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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