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Individual Calculations April 2018 |
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| Ponelis, Albert A. Total change: -7.80 | |   |
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| 2018 Waterkloof Open (Prestige) | Pretoria | RSA | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1920 | 3.00 | 6 | -0.39 | 20 | -7.80 | |
|  Makoto, Rodwell | m | | 2320 * | ZIM | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Maredi, Alex | | | 1768 | RSA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Marais, Daniel | | | 1880 | RSA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Nel, Andre | | | 1886 | RSA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Tlale, Tshepang | | wm | 1837 | RSA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Engelbrecht, Hanri | | wf | 1573 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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