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Individual Calculations September 2017 |
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| Ashraf Arafat, Mohamed Total change: 18.40 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1604 | 1.00 | 4 | 0.46 | 40 | 18.40 | |
|  Elatar, Mohamed | | | 1933 | EGY | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Madian, Amro | | | 1935 | EGY | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Abdel Rahman, Noor | | | 1983 | EGY | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Abourida, Amir | | | 1833 | EGY | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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