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Individual Calculations April 2020 |
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| Lesuthu, Kali M. Total change: -35.00 | |   |
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| Heidelberg Open (A) | Heidelberg | RSA | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1553 | 2.50 | 5 | -1.00 | 20 | -20.00 | |
|  Strong, Davida | | | 1201 | RSA | 0.50 | 1 | -0.39 | 20 | -7.80 | |  Felix, Raphael | | | 1185 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Magagula, Raymond | | | 1641 | RSA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Govender, Shevern | | | 1561 | RSA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Ngubeni, Jackie M. | | | 1272 | RSA | 0.00 | 1 | -0.84 | 20 | -16.80 | |
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 |
| 1512 | 1553 | 2.00 | 5 | -0.75 | 20 | -15.00 | |
| | Potgieter, Edward | | | 1215 | RSA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Steyn, Hans | | | 1858 | RSA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Badenhorst, Chloe | | | 1321 | RSA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Koning, Jaedin | | | 1320 | RSA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Smit, Devon | | | 1845 | RSA | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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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