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Individual Calculations October 2017 |
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| Schoeman, Ewald Total change: -14.00 | |   |
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| 2017 Etienne Lewis Tshwane Chess Trails (u14 Boys) | Pretoria | RSA | 2017-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1323 | 1564 | 2.00 | 3 | -0.35 | 40 | -14.00 | |
|  Marais, Alwyn Johannes | | | 1193 | RSA | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Fourie, Brandon | | | 1331 | RSA | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Naidoo, Tashil | | | 1446 | RSA | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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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