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Individual Calculations September 2017 |
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| Kretam, Ayman Total change: -11.20 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1847 | 2.00 | 5 | -0.28 | 40 | -11.20 | |
|  Zabeib, Mohamed | | | 2176 | EGY | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Abdel Gawad, Ahmed Elsayed | | | 1535 | EGY | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Khaled, Youssef | | | 1447 * | EGY | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Helmy, Amro | | | 2031 | EGY | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Sobh, Amrou | m | | 2187 | EGY | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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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