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Individual Calculations October 2021 |
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| Delport, Ben Total change: -41.20 | |   |
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| 2021 Etienne Lewis (U16 Open) | Pretoria | RSA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1175 | 1185 | 0.50 | 3 | -1.03 | 40 | -41.20 | |
|  Nguyen, Minh | | | 1325 | RSA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Jacobs, Tiaan Benjamin | | | 1189 | RSA | 0.00 | 1 | -0.49 | 40 | -19.60 | |  Setshedi, Neo | | | 1012 | RSA | 0.50 | 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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