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Individual Calculations January 2023 |
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| Claassen, Gabriella Total change: -1.20 | |   |
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| 2022 South African Junior Team Chess Championships (U20 Open and U20 Girls) | Port Edward | RSA | 2022-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1180 | 0.50 | 3 | -0.39 | 40 | -15.60 | |
|  Nhamuave, Eleazar | | | 1732 | RSA | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Fourie, Elzette | | | 1189 | RSA | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Muller, Kaden | | | 1274 | RSA | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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) | | | | 2022 South African Junior Wild Card Chess Championships (U20 Girls) | Port Edward | RSA | 2022-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1076 | 1180 | 1.00 | 1 | 0.36 | 40 | 14.40 | |
| | Becker, Robyn | | | 1076 | RSA | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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