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Individual Calculations September 2010 |
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| Zayan, Osama Total change: 5.70 | |   |
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| Egyptian Cup 2010 | Cairo | EGY | 2010-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2155 | 2183 | 1.50 | 4 | -0.65 | 15 | -9.75 | |
|  Raslan, Moustafa | | | 2168 | EGY | 1.00 | 1 | 0.48 | 15 | 7.20 | |  Sameir, Ramez | | | 2079 | EGY | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Elbasuny, Fahmy | | | 2202 | EGY | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Abdel Aziz, Ehab | | | 2172 | EGY | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | 6th Assiut Open 2010 | Assiut | EGY | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2126 | 2223 | 6.00 | 8 | 1.03 | 15 | 15.45 | |
| | Safwat, Basel | | | 1959 | EGY | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Hassan, Sayed Barakat | m | | 2375 | EGY | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Naby, Saiid A. | | | 2284 | EGY | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Ahmed, Moustafa Elsayed | | | 1975 | EGY | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Lotfy, Yusef | | | 2060 | EGY | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Sayed, Hany | | | 2125 | EGY | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Aly, Mohamed Hussein | | | 2005 | EGY | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Eldesoky, Hatem | | | 2227 | EGY | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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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