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Individual Calculations March 2018 |
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| Grobbelaar, Jacqui Total change: -14.80 | |   |
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| 2018 Piet Robbertse (FIDE Section) | Pretoria | RSA | 2018-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1623 | 2.00 | 4 | -0.74 | 20 | -14.80 | |
|  Senekal, Frederick Petrus | | | 1223 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Fourie, Brandon | | | 1348 | RSA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Ponelis, Albert A. | | | 1921 | RSA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Tissot Van Patot, Anton | | | 1339 | RSA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | * 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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