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Individual Calculations September 2018 |
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| Luambula, Humphrey Total change: 14.00 | |   |
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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 |
| 1668 | 2055 | 4.00 | 4 | 0.35 | 40 | 14.00 | |
|  Kankinza, Robson | | | 1660 | ZAM | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Banda, Graham | | | 1669 | ZAM | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Kalapizya, Moses | | | 1655 * | ZAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ngwale, Philimino | | | 1688 | ZAM | 1.00 | 1 | 0.10 | 40 | 4.00 | | | * 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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