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Individual Calculations April 2017 |
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| Roos, Lucas Total change: -28.00 | |   |
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| 2017 Waterkloof Open (Prestige Section) | Pretoria | RSA | 2017-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1795 | 2.00 | 5 | -0.70 | 40 | -28.00 | |
|  Mazibuko, Khanya | c | | 1936 | RSA | 0.00 | 1 | -0.31 | 40 | -12.40 | |  Richter, Jan-Michael | | | 1664 | RSA | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Tembo, Epah | | wm | 1851 | ZAM | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Reddy, Ananta | | | 1651 | RSA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Koekemoer, Bernard | | | 1722 | RSA | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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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