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Individual Calculations August 2022 |
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| Willenberg, Roland C. Total change: -12.60 | |   |
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| 2022 South African Open Chess Championships (Open) | Cape Town | RSA | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1682 | 4.50 | 11 | -0.63 | 20 | -12.60 | |
|  Erlank, Warrick | | | 1870 | RSA | 0.50 | 1 | 0.24 | 20 | 4.80 | |  Khumalo, Keith | c | | 2113 | RSA | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Van Schaik, Michael | | | 1552 | RSA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Snyckers, Frank A. | | | 1797 | RSA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Mfazwe, Lutho | | | 1968 | RSA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Van Der Merwe, Alexander | | | 1776 | RSA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Frank, Daniel | | | 1590 | RSA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Coetsee, Dewald | | | 1282 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Makhetha, Tshepo | | | 1494 | RSA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Makhosonke, Kuhlase Matthiolus | | | 1775 | RSA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Levin, Benny | | | 1619 | RSA | 0.50 | 1 | -0.09 | 20 | -1.80 | | | * 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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