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Individual Calculations September 2017 |
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| Sobhy, Raafat Total change: -19.60 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 2155 | 5.50 | 9 | -0.98 | 20 | -19.60 | |
|  Ibrahim, Sameh | | | 1824 | EGY | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Ewees, Moustafa | | | 1755 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kandil, Adham | m | | 2263 | EGY | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Atea, Abdalla | | | 1877 | EGY | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Gabr, Mohsen | f | | 2313 | EGY | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Megahed, Wael | | | 1917 | EGY | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Fatahalla, Tarek | | | 2022 | EGY | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Farouk, Mohamed | | | 1891 | EGY | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Elgazar, Saeed | | | 1780 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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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