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Individual Calculations November 2023 |
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| Zwakala, Ntando Total change: -62.40 | |   |
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| Moja Chess Extravaganza 2023 (Presige) | Kimberley | RSA | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 2055 | 3.00 | 7 | -2.26 | 20 | -45.20 | |
|  Mathebula, Xolani Cebo | | | 1790 | RSA | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Mazibuko, Khanya | c | | 1884 | RSA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Mamombe, Kudzanai | m | | 1841 | ZIM | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Dinham, James | | | 1886 | RSA | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Tsephe, Lebajoa | | | 1869 | LES | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Mgobhozi, Bhekinkosi | | | 1921 | RSA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Nevin, Tyler | | | 1814 | RSA | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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) | | | | 2023 Gauteng North Open Chess Tournament (A) | Pretoria | RSA | 2023-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 2055 | 2.50 | 4 | -0.86 | 20 | -17.20 | |
| | Roets, Marius | | | 1576 | RSA | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Mlahleki, Vusimuzi | | | 1952 | RSA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Lesuthu, Kali | | | 1655 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nene, Themba | | | 1756 | RSA | 0.00 | 1 | -0.85 | 20 | -17.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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