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Individual Calculations December 2019 |
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| Zayan, Osama Total change: -28.40 | |   |
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| Egyptian Ch. Open (Final) 2019 | Cairo | EGY | 2019-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 2234 | 6.50 | 10 | -1.42 | 20 | -28.40 | |
|  Samy, Mahmoud | | | 1846 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Kamal Eldin, Ibrahem | | | 1967 | EGY | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Elsayed, Alaa Eldin | | | 2010 | EGY | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Abdel Moniem, Mohamed | | | 2172 | EGY | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Khalil, Hany | | | 2008 | EGY | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Salah, Sayed | | | 2188 | EGY | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Rayan, Waleed | | | 1912 | EGY | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Shehata Mohamed, Ayman | | | 1879 | EGY | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Abdel Aziz, Khaled | | | 1996 | EGY | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Masoud, Mohamed Helmy | | | 1847 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | |
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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