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Individual Calculations April 2019 |
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| Fourie, Brandon Total change: -28.00 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1490 | 3.00 | 5 | 0.91 | 40 | 36.40 | |
|  Boshoma, Chisomo | | | 1306 | RSA | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Mnguni, Jacob Dumisani | | | 1890 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | De Villiers, Anri | | | 1360 | RSA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Mazibuko, Khanya | c | | 1890 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Fihla, Lonwabo Luvuyo | | | 1483 | RSA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | * 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) | | | | South African Junior Closed Chess Championships 2019 (u14 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1162 | 1490 | 1.00 | 3 | -1.61 | 40 | -64.40 | |
| | Huisamen, Botha Brandt | | | 1094 | RSA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Nguyen, Minh | | | 1237 | RSA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Meise, Keagen | | | 1156 | RSA | 0.00 | 1 | -0.88 | 40 | -35.20 | |
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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