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Individual Calculations April 2018 |
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| Booysen, Antonio Total change: -15.20 | |   |
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| 2018 Waterkloof Open (A) | Pretoria | RSA | 2018-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1638 | 2.00 | 4 | -0.38 | 40 | -15.20 | |
|  Smith, Elani | | | 1338 | RSA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Steyn, Hans | | | 1821 | RSA | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Kabi, Thato | | | 1691 | RSA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Wolmarans, Riekie | | | 1348 | RSA | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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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