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Individual Calculations April 2019 |
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| Govender, Shevern Total change: 25.20 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1371 | 0.00 | 4 | -1.73 | 40 | -69.20 | |
|  Du Plessis, Jan | | | 1406 | RSA | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Fihla, Lonwabo Luvuyo | | | 1483 | RSA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Gardiner, Noa Saxon | | wf | 1321 | RSA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Tissot Van Patot, Anton | | | 1474 | RSA | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | South African Junior Closed Chess Championships 2019 (u14 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1371 | 4.00 | 6 | 2.36 | 40 | 94.40 | |
| | Lefyedi, Thatego | | | 1375 | RSA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Oosthuizen, Michal Jacobus | | | 1678 | RSA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Kruger, Matthew | | | 1483 | RSA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Smit, Devon | | | 1530 | RSA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Modi, Yashil | f | | 1771 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mostert, Gert | | | 1531 | RSA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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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