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Individual Calculations April 2020 |
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| Smit, Devon Total change: 42.80 | |   |
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| Heidelberg Open (Prestige) | Heidelberg | RSA | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1765 | 4.00 | 5 | 2.33 | 40 | 93.20 | |
|  Kaulule Siame, Kela | | | 2134 | ZAM | 1.00 | 1 | 0.90 | 40 | 36.00 | |  Mmoneng, Patrick L. | | | 1867 | RSA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Mlahleki, Vusimuzi | | | 2024 | RSA | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Mthunzi, Brighton | | | 2011 | RSA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Buthelezi, Simphiwe | | | 1481 | RSA | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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 |
| 1541 | 1845 | 3.00 | 5 | -1.26 | 40 | -50.40 | |
| | Ngubeni, Jackie M. | | | 1445 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Fourie, Brandon | | | 1546 | RSA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Govender, Shevern | | | 1561 | RSA | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Kheswa, Itumeleng | | | 1600 | RSA | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Lesuthu, Kali M. | | | 1553 | RSA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | * 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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