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Individual Calculations April 2018 |
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| Du Plessis, Anika Total change: -52.80 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1660 | 3.00 | 5 | -1.32 | 40 | -52.80 | |
|  Wolmarans, Riekie | | | 1348 | RSA | 0.50 | 1 | -0.36 | 40 | -14.40 | |  Van Niekerk, Natasha Isabel | | | 1260 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mabasa, Ntshuxeko | | | 1318 | RSA | 0.00 | 1 | -0.88 | 40 | -35.20 | | | Booysen, Elda | | wc | 1429 | RSA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Smith, Elani | | | 1338 | RSA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | * 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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