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Individual Calculations September 2018 |
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| Khumalo, Keith Total change: -9.20 | |   |
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| 2018 Alekhine Open (A) | Pretoria | RSA | 2018-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1748 | 1934 | 4.00 | 6 | -0.23 | 40 | -9.20 | |
|  Fourie, Brandon | | | 1534 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Claassen, Jean-Daniel | | | 1534 * | RSA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Nene, Themba | | | 1881 | RSA | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Fihla, Lonwabo Luvuyo | | | 1638 | RSA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Malatji, Lackson M. | | | 1711 | RSA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Mnguni, Jacob Dumisani | | | 2190 | RSA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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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