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Individual Calculations December 2015 |
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| Du Plessis, Heinco Total change: -15.80 | |   |
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| Gauteng Chess League (Premier Section) | Johannesburg | RSA | 2015-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 2002 | 2.00 | 5 | -0.79 | 20 | -15.80 | |
|  Nene, Themba | | | 1922 | RSA | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Roets, Marius H. | | | 1602 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mosetlhe, Kgaugelo | | | 2170 | RSA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Wilken, Justin Barend | | | 1973 | RSA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | De Abreu, Roberto N | f | | 2048 | RSA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | * 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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