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Individual Calculations April 2018 |
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| Sadie, Johan Jacobus Hendrik Total change: -4.00 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1708 | 1.50 | 3 | -0.20 | 20 | -4.00 | |
|  Naidoo, Tashil | | | 1404 | RSA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Oatlhotse, Providence | m | | 2108 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Booysen, Willem-Hendrik | | | 1509 | RSA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | * 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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