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Individual Calculations May 2023 |
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| September, Mckenzie Total change: -29.20 | |   |
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| 2023 South African Junior Closed (U18 Girls) | Johannesburg | RSA | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1181 | 1217 | 2.00 | 5 | -0.73 | 40 | -29.20 | |
|  Nel, Hayley | | | 1235 | RSA | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Jonker, Danica | | | 1004 | RSA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Wang, Pei-Shan | | | 1385 | RSA | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Jacobs, Elsje | | | 1120 | RSA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Claassen, Gabriella | | | 1161 | RSA | 0.00 | 1 | -0.58 | 40 | -23.20 | |
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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