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Individual Calculations October 2018 |
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| Bester, Carla Total change: 16.80 | |   |
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| 2018 Tshwane Chess Etienne Lewis Trials (U16 Girls) | Pretoria | RSA | 2018-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1138 | 1154 | 2.50 | 4 | 0.42 | 40 | 16.80 | |
|  Booysen, Tineke | | | 1217 | RSA | 0.50 | 1 | 0.09 | 40 | 3.60 | |  Bouwer, Dane | | | 1076 | RSA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Botha, Le-Ri | | | 1129 | RSA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Goncalves Dias, Amika | | | 1131 | RSA | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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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