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Individual Calculations September 2021 |
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| Lotfy, Abdel Rahman Total change: -16.60 | |   |
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| Sadat Open | Menoufia | EGY | 2021-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 2004 | 3.00 | 6 | -0.83 | 20 | -16.60 | |
|  Yasser, Rakan | | | 1604 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Zayan, Osama | | | 2180 | EGY | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Hashem, Sayed | | | 1925 | EGY | 0.50 | 1 | -0.11 | 20 | -2.20 | | | El Arousy, Abdul Hameed | m | | 2165 | EGY | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Wafa, Hamed | | | 1718 | EGY | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Kazem, Youssef | | | 1634 | EGY | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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