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Individual Calculations April 2019 |
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| Bucceri, Draven Total change: -3.80 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1620 | 3.00 | 5 | -0.19 | 20 | -3.80 | |
|  Van Heerden, Lara | | | 1376 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Du Plessis, Heinco | | | 2017 | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Fihla, Lonwabo Luvuyo | | | 1483 | RSA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Buthelezi, Simphiwe | | | 1462 | RSA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Bester, Carla | | | 1220 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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