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Individual Calculations October 2018 |
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| Qatan, Said Mahad Total change: 8.40 | |   |
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| Alexandria Open 2018 | Alexandria | EGY | 2018-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1915 | 1622 | 1.00 | 5 | 0.21 | 40 | 8.40 | |
|  Fatahalla, Tarek | | | 2022 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Moustafa, Islam | | | 1924 | EGY | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Elatar, Mohamed | | | 1917 | EGY | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Amin, Khaled Mohamed | | | 1864 | EGY | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Abo Elftoh, Hany | | | 1850 | EGY | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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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