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Individual Calculations August 2018 |
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| Van Zyl, Charlize Total change: 24.20 | |   |
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| 2018 South African Open Chess Championships (A-Section) | Bloemfontein | RSA | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1640 | 5.00 | 9 | 1.21 | 20 | 24.20 | |
|  Chueu, Calvin | | | 1602 | RSA | 1.00 | 1 | 0.45 | 20 | 9.00 | |  Kabi, Thato | | | 1710 | RSA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Magagula, Raymond | | | 1565 | RSA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Mthabisi, Sibanda | | | 1240 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mmoneng, Patrick L. | | | 1839 | RSA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Southey, Andrew M. | | | 1762 | RSA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Mahlangu, Sipho | | | 1679 | RSA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Seleka, Mahooana Victor | | | 1859 | RSA | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Cawdery, Daniel | m | | 2040 * | RSA | 0.00 | 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) | | |
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