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Individual Calculations September 2018 |
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| Kalaba, Mutale Total change: -15.60 | |   |
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| 2018 Zambia Open Chess Championships - Main Section | Lusaka | ZAM | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1882 | 1.00 | 4 | -0.78 | 20 | -15.60 | |
|  James, Mulenga | | | 1735 | ZAM | 0.00 | 1 | -0.70 | 20 | -14.00 | |  Kantalamba, Mushota | | | 2082 | ZAM | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Mumba, Micheal | | | 1700 | ZAM | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Silva, David | m | | 2248 | ANG | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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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