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Individual Calculations September 2022 |
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| Chikwava, Ronald Total change: 14.80 | |   |
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| JMC Women's Day FIDE Open | Johannesburg | RSA | 2022-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1333 | 2.00 | 4 | 0.37 | 40 | 14.80 | |
|  Mazibuko, Khanya | c | | 1930 | RSA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Manganye, Tshepiso | | | 1482 | RSA | 1.00 | 1 | 0.70 | 40 | 28.00 | |  Geyser, Johan | | | 1252 | RSA | 0.00 | 1 | -0.61 | 40 | -24.40 | | | Naidoo, Kajol | | | 1180 | RSA | 1.00 | 1 | 0.30 | 40 | 12.00 | |
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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