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Individual Calculations October 2008 |
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| Lotfy, Abdel Rahman Total change: -12.75 | |   |
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| 4th Assiut Open 2008 | Assiut | EGY | 2008-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2177 | 2.50 | 5 | -0.28 | 15 | -4.20 | |
|  Mousa, Ahmed | | | 2223 | EGY | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Amin, Ashraf | | | 2331 | EGY | 0.50 | 1 | 0.21 | 15 | 3.15 | |  Salama, Mohamed | | | 2078 | EGY | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Hassan, Amrou | | | 1991 | EGY | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Aly Ibrahim, Alaa | | | 2052 | EGY | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | Egypt Chess Championship 2008 ( Final) | Cairo | EGY | 2008-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2258 | 2177 | 1.00 | 4 | -0.57 | 15 | -8.55 | |
| | Abou El Zein, Eid Mahmoud | m | | 2298 | EGY | 0.50 | 1 | 0.16 | 15 | 2.40 | | | El Ghazali, Youssef M. | m | | 2322 | EGY | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Nyazi, Nehad | | | 2247 | EGY | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Fahmy, Osama | | | 2166 | EGY | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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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