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Individual Calculations September 2017 |
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| Mansour, Amr Total change: -13.60 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2185 | 1855 | 0.00 | 1 | -0.12 | 40 | -4.80 | |
|  Raslan, Moustafa | | | 2185 | EGY | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | Zagazig Chess Open 2017 | Zagazig | EGY | 2017-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 1855 | 0.50 | 3 | -0.22 | 40 | -8.80 | |
| | Hosni, Yehya | | | 2157 | EGY | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Abdel Razik, Ahmed | | | 2131 | EGY | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Salem, Sameh | | | 1931 | EGY | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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