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Individual Calculations April 2020 |
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| Mwale, Joseph Total change: -47.20 | |   |
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| Heidelberg Open (Prestige) | Heidelberg | RSA | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2249 | 3.00 | 5 | -1.11 | 20 | -22.20 | |
|  Mmoneng, Patrick L. | | | 1867 | RSA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Masiya, Mfundo | | | 1960 | RSA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Salem, Abdarahim | | | 1849 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mnguni, Jacob Dumisani | | | 2130 | RSA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Mlahleki, Vusimuzi | | | 2024 | RSA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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) | | | | 2020 Waterkloof Open Chess Tournament (Section A) | Pretoria | RSA | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 2206 | 4.50 | 5 | 0.58 | 20 | 11.60 | |
| | Levitan, Judah Nathan | | | 1806 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dinham, James | | | 1806 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mlahleki, Vusimuzi | | | 2014 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Du Plessis, Heinco | | | 2039 | RSA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Mnguni, Jacob Dumisani | | | 2127 | RSA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | * 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) | | | | Boardwalk Pearson Prestige Chess Tournament 2020 (Indiv Swiss) | Port Elizabeth | RSA | 2020-03-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 2206 | 4.00 | 7 | -1.83 | 20 | -36.60 | |
| | Jacobs, Kevin T | | | 1884 | RSA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Van Zyl, Charlize | | wm | 1806 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Van Zyl, Marius J | | | 1806 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Wagner, Gerald | | | 1806 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Masiya, Mfundo | | | 1996 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Mafanya, Kulasande | | | 1849 | RSA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kaulule Siame, Kela | | | 2178 | ZAM | 0.00 | 1 | -0.54 | 20 | -10.80 | | | * 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) | | |
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