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Individual Calculations April 2018 |
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| Khumalo, Keith Total change: 36.80 | |   |
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| 2018 Waterkloof Open (Prestige) | Pretoria | RSA | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 1914 | 3.00 | 6 | 0.92 | 40 | 36.80 | |
|  Luanja, Geoffrey | | | 2300 | ZAM | 0.50 | 1 | 0.41 | 40 | 16.40 | |  Ovcina, Dennis | | | 2118 | RSA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Mlahleki, Vusimuzi | | | 1925 | RSA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Marais, Daniel | | | 1880 | RSA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Masiya, Mfundo | | | 1930 | RSA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Bezuidenhout, Roland | c | | 2118 | RSA | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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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