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Individual Calculations October 2017 |
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| Willenberg, Kenneth Sean Total change: -9.40 | |   |
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| 2017 Western Province League | Cape Town | RSA | 2017-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1810 | 2021 | 4.50 | 7 | -0.74 | 20 | -14.80 | |
|  Jooste, Marko | | | 1621 * | RSA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Bhawoodien, Shabir Hussain | f | | 2007 | RSA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Guo, Hong-Wei Bill | f | | 1710 | RSA | 1.00 | 1 | 0.14 | 20 | 2.80 | |  Agulhas, Keegan | f | | 1906 | RSA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | September, Veroe | | | 1681 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Laurie, John D | | | 1904 | RSA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Kleinsmidt, Cherwin | | | 1839 | RSA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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) | | | | 2017 National Club Team Championship | Cape Town | RSA | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 2021 | 4.50 | 6 | 0.27 | 20 | 5.40 | |
| | Elliott, Luka | | | 1706 | RSA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Hastie, Sachin | | | 1674 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Salimu, Reuben | | | 1987 | ZIM | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Erlank, Warrick | | | 1921 | RSA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Jacobs, Kevin T | | | 1928 | RSA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Laurie, John D | | | 1904 | RSA | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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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