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Individual Calculations January 2012 |
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| Zayan, Osama Total change: -3.00 | |   |
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| Zagaziq Open 2011 | Zaqaziq | EGY | 2011-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2232 | 4.00 | 5 | 1.29 | 15 | 19.35 | |
|  Abel Naby, Ahmed | | | 2022 | EGY | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Sadek, Sameh | | | 2372 | EGY | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Fouad, Abo Bakr | | | 2070 | EGY | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Elgabry, Mohsen | m | | 2331 | EGY | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Ameir, Moheb | f | | 2192 | EGY | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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) | | | | Egyptian Championship 2011 | Cairo | EGY | 2011-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 2236 | 4.50 | 8 | -1.49 | 15 | -22.35 | |
| | Ghareb, Ahmed | | | 1925 | EGY | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Hamam, Mahmoud | | | 2052 | EGY | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Khalil, Badr | | | 2008 | EGY | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Eraky, Adel | | | 2049 | EGY | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Mona, Khaled | | wg | 2111 | EGY | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Ismail, Youssef | | | 2078 | EGY | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Abdel Razik, Ahmed | | | 2099 | EGY | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Elansary, Ayman | | | 1991 | EGY | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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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