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Individual Calculations April 2018 |
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| Marais, Dawid Jacobus Total change: -22.00 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1511 | 1347 | 1.00 | 5 | -0.55 | 40 | -22.00 | |
|  Chueu, Calvin | | | 1651 | RSA | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Marais, Nina | | wc | 1660 | RSA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Mantati, Victor S | | | 1620 | RSA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Van Niekerk, Natasha Isabel | | | 1209 | RSA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Govender, Yaduvir | | | 1413 | RSA | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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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