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Individual Calculations October 2019 |
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| Lubbe, David Stefanus Total change: -21.20 | |   |
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| 2019 Tshwane Chess Etienne Lewis Trials (U16 Boys) | Pretoria | RSA | 2019-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1340 | 1340 | 2.50 | 6 | -0.53 | 40 | -21.20 | |
|  Odendaal, Ruben Lourens | | | 1162 | RSA | 0.50 | 1 | -0.23 | 40 | -9.20 | |  Naidoo, Tashil | | | 1454 | RSA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Bodenstein, Jeanre | | | 1184 | RSA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Shuping, Omphile | | | 1309 | RSA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Oosthuizen, Michal Jacobus | | | 1617 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Koning, Jaedin | | | 1313 | RSA | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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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