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Individual Calculations October 2017 |
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| De Villiers, Charles Total change: -49.80 | |   |
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| 2017 Western Province League | Cape Town | RSA | 2017-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2168 | 5.00 | 9 | -0.92 | 20 | -18.40 | |
|  Kobese, Watu | m | | 2351 | RSA | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Bhawoodien, Mohamed Ozayr | f | | 2125 | RSA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | James, Michael | | | 2000 | RSA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | September, Veroe | | | 1768 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Solomon, Maxwell | c | | 2061 | RSA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Vester, Jordan | | | 1832 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Bouah, Lyndon | c | | 2117 | RSA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Gluckman, David | m | | 2211 | RSA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Levin, Benny | | | 1768 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2017 National Club Team Championship | Cape Town | RSA | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2168 | 2.50 | 6 | -1.57 | 20 | -31.40 | |
| | Lawerlot, George Lee-Roy | | | 1915 | RSA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Kromhout, Ewan | | | 2017 | RSA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Bouah, Lyndon | c | | 2117 | RSA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | De Jager, Luan | | | 1919 | RSA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Hendriksz, Gabriel | | | 1769 | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kobese, Watu | m | | 2351 | RSA | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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