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Individual Calculations October 2017 |
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| Willenberg, Athon Total change: -49.00 | |   |
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| 2017 Western Province League | Cape Town | RSA | 2017-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1747 | 1967 | 0.50 | 3 | -1.79 | 20 | -35.80 | |
|  McInnes, Andrew | | | 1611 | RSA | 0.00 | 1 | -0.89 | 20 | -17.80 | |  Goredema, Dione | | | 1767 | RSA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Lynch, Justin | | | 1864 | RSA | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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) | | | | 2017 National Club Team Championship | Cape Town | RSA | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1967 | 2.50 | 5 | -0.66 | 20 | -13.20 | |
| | Jooste, Marko | | | 1567 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Erlank, Warrick | | | 1921 | RSA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Solomon, Graham | | | 2034 | RSA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Salimu, Reuben | | | 1987 | ZIM | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Baatjies, Thsepo | | | 1724 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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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