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Individual Calculations June 2022 |
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| February, Jesse Nikki Total change: -3.60 | |   |
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| 2022 South African Closed Chess Championships (Female) | Cape Town | RSA | 2022-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1890 | 4.50 | 6 | -0.18 | 20 | -3.60 | |
|  Grobbelaar, Jacqui | | | 1517 | RSA | 0.50 | 1 | -0.40 | 20 | -8.00 | |  Van Zyl, Charlize | | wm | 1682 | RSA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Selkirk, Rebecca | | wc | 1781 | RSA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Van Niekerk, Robyn Julian | | | 1666 | RSA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Laubscher, Anzel | | wm | 1720 | RSA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Badenhorst, Chloe | | | 1587 | RSA | 0.50 | 1 | -0.36 | 20 | -7.20 | |
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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