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Individual Calculations September 2017 |
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| Mahmoud M, Mostafa Total change: -10.80 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1770 | 1.00 | 4 | -0.27 | 40 | -10.80 | |
|  Zayan, Mohamed | f | | 2122 | EGY | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Aborezika, Mohamed | | | 2054 | LBA | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Fatahalla, Tarek | | | 2022 | EGY | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Hosni, Aly Mahmoud | | | 1515 | EGY | 1.00 | 1 | 0.19 | 40 | 7.60 | |
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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