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Individual Calculations October 2019 |
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| Malan, Henco Total change: 48.80 | |   |
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| 2019 Tshwane Chess Etienne Lewis Trials (U12 Boys) | Pretoria | RSA | 2019-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1162 | 1046 | 3.00 | 5 | 1.22 | 40 | 48.80 | |
|  Jacobs, Calvin Nicholas | | | 1360 | RSA | 1.00 | 1 | 0.86 | 40 | 34.40 | |  De Vries, Matthys Andrio | | | 1016 | RSA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Coetsee, Dewald | | | 1108 | RSA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Yang, Alex | | | 1144 | RSA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Senekal, Frederick Petrus | | | 1183 | RSA | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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