Individual Calculations April 2019 |
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Grobbelaar-Oertel, Jacqui Total change: -18.80 | | |
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2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
Rc | Ro | w | n | change | K | K*chg | Game |
1613 | 1589 | 1.00 | 4 | -0.94 | 20 | -18.80 | |
| Zhemba, Jemusse | | | 1989 * | ZIM | 0.00 | 1 | -0.08 | 20 | -1.60 | | Lubbe, David Stefanus | | | 1322 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | Marais, Daniel | | | 1792 | RSA | 0.00 | 1 | -0.24 | 20 | -4.80 | | Cruywagen, Dewan | | | 1349 | RSA | 0.00 | 1 | -0.80 | 20 | -16.00 | | * 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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