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Individual Calculations June 2018 |
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| Booysen, Willem-Hendrik Total change: -30.00 | |   |
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| 2018 Capablanca Chess Festival (Swiss A) | Pretoria | RSA | 2018-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1480 | 1533 | 1.50 | 4 | -0.75 | 40 | -30.00 | |
|  Menyuku, Boitumelo Oscar | | | 1724 | RSA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Maloba, David | | | 1589 | RSA | 0.00 | 1 | -0.42 | 40 | -16.80 | |  Fourie, Brandon | | | 1300 | RSA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Lubbe, David Stefanus | | | 1306 | RSA | 0.50 | 1 | -0.29 | 40 | -11.60 | |
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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