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Individual Calculations April 2019 |
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| Nkuna, Windsor Total change: -0.60 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1572 | 1576 | 2.50 | 5 | -0.03 | 20 | -0.60 | |
|  Zwakala, Ntando | | | 1976 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Van Heerden, Lara | | | 1376 | RSA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Schoeman, Ewald | c | | 1606 | RSA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Odendaal, Mikhal Marcus | | | 1188 | RSA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Marais, Nina | | wc | 1712 | RSA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | * 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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