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Individual Calculations September 2017 |
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| Ayman, Amr Total change: 5.60 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1638 | 1.00 | 4 | 0.14 | 40 | 5.60 | |
|  Yasseen, Aly | m | | 2038 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Gomaa, Mohamed Hassanein | | | 1802 | EGY | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Hosny Ahmed, Mohamed | | | 1889 | EGY | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Youssef, Elsayed Mohamed | | | 1780 | EGY | 0.00 | 1 | -0.31 | 40 | -12.40 | | | * 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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