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Individual Calculations April 2018 |
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| Matras, Ivan Total change: -22.00 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1584 | 1687 | 2.00 | 4 | -0.55 | 40 | -22.00 | |
|  Van Heerden, Lara | | | 1379 | RSA | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Booysen, Elda | | wc | 1429 | RSA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Oberholzer, Francois | f | | 2043 | RSA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Prinsloo, Marthinus | | | 1486 | RSA | 0.00 | 1 | -0.76 | 40 | -30.40 | |
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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