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Individual Calculations December 2017 |
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| Chueu, Calvin Total change: -42.40 | |   |
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| 2017 Gauteng North Open (A Section) | Pretoria | RSA | 2017-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1673 | 2.50 | 5 | -1.06 | 40 | -42.40 | |
|  Marais, Alwyn Johannes | | | 1273 * | RSA | 0.50 | 1 | -0.42 | 40 | -16.80 | |  Nkuna, Windsor | | | 1518 | RSA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Naidoo, Tashil | | | 1432 | RSA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Mpya, Tshediso M | | | 1908 | RSA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | De Villiers, Anri | | | 1273 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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