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Individual Calculations July 2010 |
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| Sadek, Sameh Total change: -6.30 | |   |
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| Egyptian League 2009/2010 Final Stage | Many Cities | EGY | 2010-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2370 | 3.50 | 5 | -0.12 | 15 | -1.80 | |
|  Nashaat, Esam | | | 2109 | EGY | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Nashaat, Esam | | | 2109 | EGY | 0.50 | 1 | -0.32 | 15 | -4.80 | |  Ismail, Shereif | f | | 2201 | EGY | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Saber, Ibrahim | | | 2219 | EGY | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Ibrahim, Hatim | | | 2325 | 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) | | | | 2nd Heliopolis International Open | Cairo | EGY | 2010-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2342 | 2.00 | 3 | -0.30 | 15 | -4.50 | |
| | Ibrahim, Mohamed | | | 2140 | EGY | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Zayan, Osama | | | 2183 | EGY | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Saiid, Ibrahim | | | 2067 | EGY | 1.00 | 1 | 0.17 | 15 | 2.55 | |
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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