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Individual Calculations April 2018 |
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| Mafanya, Kulasande Total change: -3.20 | |   |
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| Moja Chess Club Open FIDE Tournament (A) | Kimberley | RSA | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1839 | 0.00 | 1 | -0.24 | 20 | -4.80 | |
|  Mthunzi, Brighton | | | 2044 | RSA | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | Boardwalk Pearson High School Chess Tournament 2018 (A) | Port Elizabeth | RSA | 2018-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1839 | 1.00 | 3 | 0.08 | 20 | 1.60 | |
|  Klaver, Cornelis | | | 2106 | RSA | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Kromhout, Alexander | | | 1983 | RSA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Wilken, Justin Barend | | | 1892 | RSA | 0.00 | 1 | -0.43 | 20 | -8.60 | |
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) | | |
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