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Individual Calculations June 2023 |
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| Acho, Christian Total change: -8.20 | |   |
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| Mzansi Open 2023 (A) | Johannesburg | RSA | 2023-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1983 | 3.50 | 6 | -0.41 | 20 | -8.20 | |
|  Magagula, Raymond | | | 1639 | RSA | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Potgieter, Edward | | | 1664 | RSA | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Makoto, Rodwell | m | | 2328 | ZIM | 1.00 | 1 | 0.89 | 20 | 17.80 | | | Simpson, Michael | | | 1923 | RSA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Mlahleki, Vusimuzi | | | 1947 | RSA | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Chinoruma, Taurai | | | 1583 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | |
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