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Individual Calculations October 2017 |
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| Claassen, Jean-Daniel Total change: -32.80 | |   |
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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 |
| 1327 | 1390 | 1.50 | 4 | -0.82 | 40 | -32.80 | |
|  Bekker, Luan | | | 1175 | RSA | 0.00 | 1 | -0.77 | 40 | -30.80 | |  Cruywagen, Armand | | | 1371 | RSA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Marais, Dawid Jacobus | | | 1351 | RSA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Vermaak, Jacobus | | | 1411 | RSA | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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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