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Individual Calculations September 2022 |
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| Mabusela, Johannes Manyedi Total change: -6.40 | |   |
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| JMC Women's Day FIDE Open | Johannesburg | RSA | 2022-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 2203 | 5.00 | 6 | 0.01 | 20 | 0.20 | |
|  Gardiner, Nina | | wf | 1540 | RSA | 1.00 | 1 | 0.01 | 20 | 0.20 | |  Manganye, Tshepiso | | | 1803 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mazibuko, Khanya | c | | 1930 | RSA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Mlahleki, Vusimuzi | | | 1948 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Simpson, Michael | | | 2009 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Hercules, Benjamin Vincent | c | | 2062 | RSA | 0.50 | 1 | -0.19 | 20 | -3.80 | | | * 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 |
| 1821 | 2203 | 4.50 | 5 | 0.09 | 20 | 1.80 | |
| | Potgieter, Edward | | | 1803 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vorster, Stephanus | | | 1650 | RSA | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Khumalo, Keith | c | | 2066 | RSA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Nene, Themba | | | 1733 | RSA | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Lekalakala, Ernest | | | 1854 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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 |
| 2135 | 2203 | 2.50 | 5 | -0.42 | 20 | -8.40 | |
| | Mnguni, Jacob Dumisani | | | 2131 | RSA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Mhango, Banele | f | | 2193 | RSA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Oosthuizen, Michal Jacobus | | | 1940 | RSA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Makoto, Rodwell | m | | 2346 | ZIM | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Khumalo, Keith | c | | 2066 | 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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