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Individual Calculations April 2019 |
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| Boheim, Eugene Total change: 6.80 | |   |
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| 2019 Waterkloof Open (B) | Pretoria | RSA | 2019-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1342 | 1157 | 0.00 | 2 | -0.52 | 40 | -20.80 | |
|  Dykema, Joshua | c | | 1396 | RSA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Molefe, Sandile | | | 1288 | RSA | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | | South African Junior Closed Chess Championships 2019 (u10 Open) | Benoni | RSA | 2019-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1157 | 1.00 | 1 | 0.69 | 40 | 27.60 | |
| | Levitan, Caleb Levi | | | 1299 | RSA | 1.00 | 1 | 0.69 | 40 | 27.60 | |
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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