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Individual Calculations January 2024 |
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| Du Plessis, Jan Total change: 8.20 | |   |
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| 2023 USSA Championships (Open) | Durban | RSA | 2023-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1564 | 2.50 | 5 | 0.41 | 20 | 8.20 | |
|  Tseka, Junior | | | 1426 | RSA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Selepe, Lwazi | | | 1813 | RSA | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Salem, Abdarahim | | | 1631 | RSA | 1.00 | 1 | 0.59 | 20 | 11.80 | |  Windvogel, Monray | | | 1639 | RSA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Bezuidenhout, Lian | | | 1639 | RSA | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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