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Individual Calculations January 2020 |
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| February, Jesse Nikki Total change: -8.20 | |   |
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| 2019 South African Closed Chess Championship (Women) | Cape Town | RSA | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1896 | 8.50 | 11 | -0.41 | 20 | -8.20 | |
|  Joubert, Dantelle | | wf | 1577 | RSA | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Engelbrecht, Hanri | | wf | 1496 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Selkirk, Rebecca | | wc | 1819 | RSA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Du Plessis, Anika | | wm | 1576 | RSA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Van Niekerk, Robyn Julian | | | 1648 | RSA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Fisher, Michelle M | | wf | 1721 | RSA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Van Zyl, Charlize | | wm | 1677 | RSA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Marais, Nina | | wc | 1657 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Wolmarans, Riekie | | | 1496 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Grobbelaar-Oertel, Jacqui | | | 1527 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Laubscher, Anzel | | wm | 1746 | RSA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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