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Individual Calculations May 2012 |
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| Pretorius, Deon Total change: -68.10 | |   |
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| South African Junior Closed 2012 (u18 Boys) | Johannesburg | RSA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1807 | 3.50 | 9 | -2.27 | 30 | -68.10 | |
|  Kruger, Ruben | | | 1634 | RSA | 1.00 | 1 | 0.27 | 30 | 8.10 | | | Lekgau, Mothupi | | | 1736 | RSA | 0.00 | 1 | -0.60 | 30 | -18.00 | |  Du Toit, Stefan | f | | 1769 | RSA | 0.00 | 1 | -0.55 | 30 | -16.50 | | | Madiba, Carpediem | | | 1736 | RSA | 0.50 | 1 | -0.10 | 30 | -3.00 | | | Du Randt, Jeandre | | | 1822 | RSA | 0.00 | 1 | -0.48 | 30 | -14.40 | | | Cox, Rian | | | 1775 | RSA | 0.00 | 1 | -0.54 | 30 | -16.20 | | | Oberholzer, Francois | | | 1810 | RSA | 0.00 | 1 | -0.50 | 30 | -15.00 | | | Viviers, Neil | | | 1407 * | RSA | 1.00 | 1 | 0.08 | 30 | 2.40 | | | Coetzee, Ryan | | | 1508 | RSA | 1.00 | 1 | 0.15 | 30 | 4.50 | | | * 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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