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Individual Calculations June 2017 |
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| Booysen, Antonio Total change: -14.80 | |   |
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| 2017 Lubowski Open (A and B Sections) | Pretoria | RSA | 2017-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1641 | 1.50 | 4 | -0.37 | 40 | -14.80 | |
|  Jere, Daniel | m | | 2041 * | ZAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Oosthuizen, Michal Jacobus | | | 1467 | RSA | 0.50 | 1 | -0.23 | 40 | -9.20 | |  Tembo, Epah | | wm | 1807 | ZAM | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Mostert, Gert | | | 1420 | RSA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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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