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Individual Calculations December 2017 |
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| De Villiers, Anri Total change: 50.40 | |   |
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| 2017 Gauteng North Open (A Section) | Pretoria | RSA | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1257 | 2.00 | 5 | 1.26 | 40 | 50.40 | |
|  Marais, Daniel | | | 1657 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Mantati, Victor S | | | 1590 | RSA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Marais, Dawid Jacobus | | | 1373 | RSA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Grobbelaar, Jacqui | | | 1587 | RSA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Chueu, Calvin | | | 1657 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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