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Individual Calculations September 2017 |
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| Abbas, Ahmed Total change: -19.20 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1917 | 1.00 | 4 | -0.96 | 20 | -19.20 | |
|  El Arousy, Abdul Hameed | m | | 2279 | EGY | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Zein Elabden, Aly | | | 1517 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Elzayady, Ahmed | | | 2167 | EGY | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Abdel Razik, Islam | | | 1722 | EGY | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * 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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