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Individual Calculations April 2019 |
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| Fihla, Lonwabo Luvuyo Total change: 1.60 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1590 | 1483 | 2.00 | 5 | 0.12 | 40 | 4.80 | |
|  Steyn, Hans | | | 1865 | RSA | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Govender, Shevern | | | 1371 | RSA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Bucceri, Draven | | | 1620 | RSA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Schoeman, Ewald | c | | 1606 | RSA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Fourie, Brandon | | | 1490 | RSA | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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 (u16 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1549 | 1483 | 2.50 | 6 | -0.08 | 40 | -3.20 | |
| | Essa, Naseem Ahmed | f | | 1856 | RSA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Vorster, Tyrone | | | 1201 | RSA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Felix, Ethon | | | 1818 | RSA | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Dinham, James | | | 1565 | RSA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Maharaj, Ameet | | | 1246 | RSA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Schoeman, Ewald | c | | 1606 | RSA | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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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