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Individual Calculations April 2019 |
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| Fourie, Keanan Total change: 42.00 | |   |
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| 2019 Waterkloof Open (B) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1260 | 1109 | 3.50 | 5 | 1.98 | 40 | 79.20 | |
|  Bouwer, Dane | | | 1101 | RSA | 1.00 | 1 | 0.49 | 40 | 19.60 | |  Van Den Berg, Ane | | | 1286 | RSA | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Reyneke, Pieter | | | 1289 | RSA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Molefe, Sandile | | | 1288 | RSA | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Koning, Jaedin | | | 1336 | RSA | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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 (u12 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1137 | 1109 | 0.00 | 2 | -0.93 | 40 | -37.20 | |
| | Burgers, Adriaan | | | 1002 | RSA | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Bester, Ethan | | | 1272 | RSA | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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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