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Individual Calculations April 2018 |
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| Mantati, Victor S Total change: -55.20 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1357 | 1620 | 0.50 | 4 | -2.76 | 20 | -55.20 | |
|  Mabasa, Ntshuxeko | | | 1318 | RSA | 0.00 | 1 | -0.85 | 20 | -17.00 | |  Lubbe, David Stefanus | | | 1302 | RSA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Marais, Dawid Jacobus | | | 1347 | RSA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Du Plessis, Jan | | | 1459 | RSA | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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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