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Individual Calculations April 2020 |
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| Wasserman, Johan F. Total change: -46.40 | |   |
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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 |
| 1563 | 1851 | 3.00 | 5 | -1.16 | 40 | -46.40 | |
|  Nkuna, Andrew | | | 1451 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Rogge, Conrad | | | 1609 | RSA | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Wolmarans, Riekie | | | 1508 | RSA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Hansen, Marcques | | | 1705 | RSA | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Grobbelaar-Oertel, Jacqui | | | 1540 | RSA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | * 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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