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Individual Calculations December 2017 |
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| Mazibuko, Khanya Total change: -1.20 | |   |
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| Gauteng Chess League (1st Division) | Pretoria | RSA | 2017-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1885 | 1843 | 2.00 | 2 | 1.12 | 40 | 44.80 | |
|  Sithole, Collins | | | 1905 | RSA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Findlay, Michael | | | 1864 | RSA | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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 Gauteng North Open (A Section) | Pretoria | RSA | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1559 | 1843 | 3.00 | 5 | -1.15 | 40 | -46.00 | |
|  Nkuna, Windsor | | | 1518 | RSA | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Marais, Alwyn Johannes | | | 1443 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kabi, Thato | | | 1692 | RSA | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Mantati, Victor S | | | 1590 | RSA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Schoeman, Ewald | c | | 1550 | RSA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | * 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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