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Individual Calculations January 2023 |
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| Shaw, Laurie Ann Total change: 31.40 | |   |
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| 2022 USSA Chess Championship (Female) | Kimberley | RSA | 2022-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1491 | 4.00 | 5 | 1.57 | 20 | 31.40 | |
|  Mabitsela, Mirinda | | | 1207 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Du Plessis, Anika | | wm | 1618 | RSA | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Marais, Nina | | wc | 1697 | RSA | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Parthiephal, Dayaan | | | 1345 | RSA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Mak, Tsz Wing Cora | | wf | 1623 | RSA | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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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