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Individual Calculations May 2015 |
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| Masango, Spencer Total change: 30.80 | |   |
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| Zimbabwe International Easter Open Prestige Section | Harare | ZIM | 2015-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2144 | 4.00 | 7 | 0.20 | 20 | 4.00 | |
|  Mwali, Chitumbo | m | | 2290 | ZAM | 0.50 | 1 | 0.20 | 20 | 4.00 | |  Farai, Janyure | | | 2034 | ZIM | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Mushore, Emarald Takudzwa | | | 2233 | ZIM | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Castro, Bekithemba Sibanda | | | 2031 | ZIM | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Chimbamu, Elisha | | | 2108 | ZIM | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Albert, Maketo | | | 1926 | ZIM | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Munenga, Douglas D | f | | 2151 | ZAM | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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 |
| 2051 | 2144 | 5.00 | 6 | 1.34 | 20 | 26.80 | |
| | Nkosi, Dumisa Jacob | | | 1823 | RSA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Mamonyane, Thabang | | | 1865 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Bwalya, Gillan | m | | 2344 | ZAM | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Oberholzer, Francois | f | | 1945 | RSA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Chumfwa, Kelvin | m | | 2271 | ZAM | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Van Der Westhuizen, Willem | | | 2057 | RSA | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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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