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Individual Calculations January 2023 |
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| Du Plessis, Anika Total change: -1.80 | |   |
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| 2022 USSA Chess Championship (Female) | Kimberley | RSA | 2022-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1433 | 1618 | 3.50 | 5 | -0.09 | 20 | -1.80 | |
|  Parthiephal, Dayaan | | | 1345 | RSA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Shaw, Laurie Ann | | | 1491 | RSA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Zikalala, Minenhle | | | 1218 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kara, Zahra | | wc | 1488 | RSA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Mak, Tsz Wing Cora | | wf | 1623 | RSA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | * 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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