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Individual Calculations September 2022 |
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| Khumalo, Keith Total change: 11.60 | |   |
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| JMC Women's Day FIDE Open | Johannesburg | RSA | 2022-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 2066 | 4.50 | 6 | -0.24 | 20 | -4.80 | |
|  Geyser, Johan | | | 1666 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Magagula, Raymond | | | 1637 | RSA | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Teeke, Karabo | | | 1750 | RSA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Simpson, Michael | | | 2009 | RSA | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Hercules, Benjamin Vincent | c | | 2062 | RSA | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Vorster, Stephanus | | | 1650 | RSA | 1.00 | 1 | 0.07 | 20 | 1.40 | | | * 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) | | | | 2022 Alekhine FIDE Rated Open Tournament (A) | Pretoria | RSA | 2022-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 2066 | 4.00 | 5 | 0.21 | 20 | 4.20 | |
| | Smit, Yoshua | | | 1666 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nhamuave, Eleazar | | | 1696 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Mabusela, Johannes Manyedi | m | | 2203 | RSA | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Lekalakala, Ernest | | | 1854 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Nene, Themba | | | 1733 | RSA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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) | | | | Chess Power House 2nd RR (Prestige) | Johannesburg | RSA | 2022-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2066 | 2.50 | 5 | 0.61 | 20 | 12.20 | |
| | Mhango, Banele | f | | 2193 | RSA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Makoto, Rodwell | m | | 2346 | ZIM | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Mnguni, Jacob Dumisani | | | 2131 | RSA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Oosthuizen, Michal Jacobus | | | 1940 | RSA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Mabusela, Johannes Manyedi | m | | 2203 | RSA | 0.50 | 1 | 0.18 | 20 | 3.60 | |
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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