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Individual Calculations May 2015 |
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| Chumfwa, Kelvin Total change: -3.00 | |   |
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| Zimbabwe International Easter Open Prestige Section | Harare | ZIM | 2015-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2095 | 2271 | 5.00 | 8 | -0.72 | 20 | -14.40 | |
|  Mudzingwa, Takunda | | | 1871 * | ZIM | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Gift, Never Sithole | | | 2063 | ZIM | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Katowa, Kennedy | | | 2021 | ZAM | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Kaulule Siame, Kela | | | 2139 | ZAM | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Castro, Bekithemba Sibanda | | | 2031 | ZIM | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Lewis, Kahoba | | | 2136 | ZIM | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Munenga, Douglas D | f | | 2151 | ZAM | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Bwalya, Gillan | m | | 2344 | ZAM | 0.00 | 1 | -0.40 | 20 | -8.00 | | | * 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) | | | | 2015 Orion Group Open Chess Festival (Prestige Section) | Johannesburg | RSA | 2015-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 2271 | 5.00 | 6 | 0.57 | 20 | 11.40 | |
| | Tshetlo, Tshepo | | | 1871 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pitso, Fusi Paulus | | | 1930 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Mthunzi, Brighton | | | 2082 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Bwalya, Gillan | m | | 2344 | ZAM | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Masango, Spencer | | | 2144 | ZIM | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Zwakala, Ntando | | | 2023 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | * 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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