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Individual Calculations April 2019 |
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| Marais, Daniel Total change: -0.40 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1792 | 1.00 | 3 | -0.02 | 20 | -0.40 | |
|  Cawdery, Daniel | m | | 2192 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Grobbelaar-Oertel, Jacqui | | | 1589 | RSA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Zwakala, Ntando | | | 2054 | RSA | 0.00 | 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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