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Individual Calculations September 2018 |
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| Silva, David Total change: -24.60 | |   |
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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 |
| 1947 | 2248 | 5.50 | 8 | -1.23 | 20 | -24.60 | |
|  Mwenya, Arthur | | | 1848 * | ZAM | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mukosha, Joshua | | | 1949 | ZAM | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Mukonde, Darius | | | 1915 | ZAM | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Mwenya, Oscar | c | | 2080 | ZAM | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Siamalindo, Cletus | | | 1859 | ZAM | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Tembo, Osward | | | 1939 | ZAM | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Sakala, Peter | | | 2107 | ZAM | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Kalaba, Mutale | | | 1882 | ZAM | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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