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Individual Calculations October 2018 |
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| Booysen, Tineke Total change: -20.80 | |   |
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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 |
| 1123 | 1217 | 2.00 | 4 | -0.52 | 40 | -20.80 | |
|  Bouwer, Dane | | | 1076 | RSA | 0.00 | 1 | -0.69 | 40 | -27.60 | |  Bester, Carla | | | 1154 | RSA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Goncalves Dias, Amika | | | 1131 | RSA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Botha, Le-Ri | | | 1129 | RSA | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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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