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Individual Calculations April 2019 |
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| Smit, Devon Total change: 73.60 | |   |
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| 2019 Waterkloof Open (A) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1530 | 3.00 | 5 | 0.57 | 40 | 22.80 | |
|  Levitan, Caleb Levi | | | 1299 | RSA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Mabusela, Johannes Manyedi | m | | 1930 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Naidoo, Tashil | | | 1467 | RSA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Wolmarans, Riekie | | | 1520 | RSA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Moloto, Nnani | | | 1562 | RSA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | * 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 |
| 1576 | 1530 | 4.00 | 6 | 1.27 | 40 | 50.80 | |
| | Lubbe, David Stefanus | | | 1322 | RSA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Modi, Yashil | f | | 1930 * | RSA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Mostert, Gert | | | 1531 | RSA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Govender, Shevern | | | 1371 | RSA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Van Der Merwe, Alexander | | | 1622 | RSA | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Oosthuizen, Michal Jacobus | | | 1678 | RSA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | * 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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