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Individual Calculations September 2021 |
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| Zayan, Osama Total change: -10.60 | |   |
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| Sadat Open | Menoufia | EGY | 2021-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2180 | 5.50 | 8 | -0.53 | 20 | -10.60 | |
|  Mena, Martin | c | | 1781 | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Lotfy, Abdel Rahman | | | 2004 | EGY | 0.50 | 1 | -0.23 | 20 | -4.60 | | | El-Mezwaghi, Hassan J. | | | 1930 | LBA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Yousry, Mohamed | | | 2142 | EGY | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Alhassadi, Yousef A. | | | 1958 | LBA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Sayed, Hany | | | 2106 | EGY | 0.00 | 1 | -0.60 | 20 | -12.00 | | | George Samir, David | | | 1905 | EGY | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Khater, Hamdy | | | 1930 | EGY | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | |
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