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Individual Calculations September 2018 |
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| Banda, Graham Total change: -1.80 | |   |
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| 2018 Zambia Open Chess Championships - Over 50 Section | Lusaka | ZAM | 2018-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 1669 | 1.00 | 3 | -0.09 | 20 | -1.80 | |
|  Luambula, Humphrey | | | 2055 | ZAM | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Kalapizya, Moses | | | 1566 | ZAM | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Ngulube, Stanley | | | 1768 | ZAM | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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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