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Individual Calculations April 2019 |
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| Odendaal, Mikhal Marcus Total change: -37.60 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1188 | 0.00 | 4 | -0.68 | 40 | -27.20 | |
|  Claassen, Jean-Daniel | | | 1481 | RSA | 0.00 | 1 | -0.15 | 40 | -6.00 | |  De Villiers, Anri | | | 1360 | RSA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Nkuna, Windsor | | | 1576 | RSA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Buthelezi, Simphiwe | | | 1462 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | |
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) | | | | South African Junior Closed Chess Championships 2019 (u14 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1188 | 0.00 | 1 | -0.26 | 40 | -10.40 | |
| | Lefyedi, Thatego | | | 1375 | RSA | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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) | | |
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