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Individual Calculations June 2018 |
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| Booysen, Willem Cornelius Total change: -47.20 | |   |
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| 2018 Capablanca Chess Festival (Swiss B) | Pretoria | RSA | 2018-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1272 | 1211 | 0.50 | 4 | -1.18 | 40 | -47.20 | |
|  Nonyana, R | | | 1404 | RSA | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Van Wyk, Keisha C | | | 1017 | NAM | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Malehloa, Likhomo | | | 1247 | LES | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Sehlabaka, Rethabile | | | 1420 | LES | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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