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Individual Calculations April 2020 |
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| Bester, Carla Total change: -29.60 | |   |
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| 2020 Waterkloof Open Chess Tournament (Section A) | Pretoria | RSA | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1405 | 1269 | 1.00 | 5 | -0.74 | 40 | -29.60 | |
|  Vundla, Mthandazo | | | 1669 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Reyneke, Pieter | | | 1331 | RSA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Nkuna, Andrew | | | 1215 | RSA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Grobbelaar-Oertel, Jacqui | | | 1540 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ngubeni, Jackie M. | | | 1272 | RSA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | * 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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