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Individual Calculations April 2020 |
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| Coetsee, Dewald Total change: 6.80 | |   |
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| 2020 Waterkloof Open Chess Tournament (Section B) | Pretoria | RSA | 2020-02-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1155 | 1118 | 2.00 | 4 | 0.17 | 40 | 6.80 | |
|  Yang, Alex | | | 1098 | RSA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Naidoo, Mira | | | 1049 | RSA | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Booysen, Willem Cornelius | | | 1142 | RSA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Booysen, Tineke | | | 1332 | RSA | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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