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Individual Calculations October 2017 |
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| Dykema, Dirkho Total change: 28.80 | |   |
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| 2017 Etienne Lewis Tshwane Chess Trails (u16 Boys) | Pretoria | RSA | 2017-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1451 | 3.00 | 4 | 0.72 | 40 | 28.80 | |
|  Reyneke, Pieter | | | 1311 | RSA | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Bekker, Luan | | | 1175 | RSA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Vermaak, Jacobus | | | 1411 | RSA | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Nhamuave, Eleazar | | | 1695 | RSA | 1.00 | 1 | 0.80 | 40 | 32.00 | |
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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