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Individual Calculations August 2019 |
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| Chumfwa, Kelvin Total change: 12.20 | |   |
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| Zambia Open International Chess Championships - Championship Section | Lusaka | ZAM | 2019-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 2197 | 5.50 | 9 | 0.61 | 20 | 12.20 | |
|  Mwape, Dennis | | | 1971 | ZAM | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Kafumbwe, Webster | c | | 1931 | ZAM | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hesham, Abdelrahman | g | | 2417 | EGY | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Siuluta , Arnold | | | 1972 | ZAM | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Luambula, Humphrey | | | 2104 | ZAM | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Hapaku, Charles | c | | 2136 | ZAM | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Kiriakov, Petr | g | | 2516 | RUS | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Phiri, Godwin | c | | 2106 | ZAM | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Munenga, Douglas D | f | | 2329 | ZAM | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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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