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Individual Calculations November 2023 |
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| Mapungwana, Sikelela Total change: -27.20 | |   |
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| Eastern Cape Provincial Chess Championship 2023 (Open) | Jeffreys Bay | RSA | 2023-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1450 | 1484 | 1.50 | 4 | -0.68 | 40 | -27.20 | |
|  Nkosi, Dumisa | | | 1755 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Booysen, Ray-Lanche | | | 1239 | RSA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Mafongosi, Xhanti | | | 1481 | RSA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Kroutz, Johnathan | | | 1326 | RSA | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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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