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Individual Calculations September 2018 |
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| Chibeza, Mumba Total change: 21.60 | |   |
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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 |
| 1944 | 1820 | 2.00 | 4 | 0.54 | 40 | 21.60 | |
|  Chumfwa, Kelvin | m | | 2220 * | ZAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Hilary, Lutangu | | | 1850 | ZAM | 1.00 | 1 | 0.54 | 40 | 21.60 | |  James, Mulenga | | | 1735 | ZAM | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Siuluta , Arnold | | | 1972 | ZAM | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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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