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Individual Calculations May 2012 |
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| Koekemoer, Bernard Total change: 56.40 | |   |
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| Waterkloof Open 2012 | Pretoria | RSA | 2012-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 1709 | 2.00 | 5 | 1.56 | 30 | 46.80 | |
|  Jurgensen, Graham | c | | 2089 | RSA | 1.00 | 1 | 0.91 | 30 | 27.30 | |  Kobese, Watu | m | | 2109 * | RSA | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Nelson, Jaco | | | 2080 | RSA | 0.00 | 1 | -0.10 | 30 | -3.00 | | | Mathe, Lehlogonolo | | | 2109 * | RSA | 1.00 | 1 | 0.92 | 30 | 27.60 | | | Klaasen, Calvin | | | 2093 | RSA | 0.00 | 1 | -0.09 | 30 | -2.70 | | | * 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) | | | | South African Junior Closed 2012 (u16 Boys) | Johannesburg | RSA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1832 | 1709 | 1.00 | 2 | 0.32 | 30 | 9.60 | |
| | Van De Venter, Waldo | | | 1903 | RSA | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Darling, Paul | | | 1761 | RSA | 1.00 | 1 | 0.57 | 30 | 17.10 | |
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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