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Individual Calculations April 2018 |
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| Tlale, Tshepang Total change: 6.60 | |   |
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| 2018 Waterkloof Open (Prestige) | Pretoria | RSA | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1837 | 2.50 | 6 | 0.33 | 20 | 6.60 | |
|  Masango, Spencer | | | 2081 | ZIM | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Masiya, Mfundo | | | 1930 | RSA | 0.00 | 1 | -0.37 | 20 | -7.40 | |  Nel, Andre | | | 1886 | RSA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Mlahleki, Vusimuzi | | | 1925 | RSA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Ponelis, Albert A. | | | 1920 | RSA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Mazibuko, Khanya | c | | 1911 | RSA | 1.00 | 1 | 0.60 | 20 | 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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