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Individual Calculations September 2009 |
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| Refaat, Ibrahim Total change: 65.75 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 1853 | 2.00 | 5 | 1.04 | 25 | 26.00 | |
|  Zayan, Osama | | | 2183 | EGY | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Anwar, Ashraf | | | 2091 | EGY | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Samy, Amro | | | 2130 | EGY | 1.00 | 1 | 0.83 | 25 | 20.75 | |  Moreis, Kamel | | | 2048 | EGY | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Imam, Ashraf | | | 2073 | EGY | 0.50 | 1 | 0.28 | 25 | 7.00 | |
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) | | | | 5th Asiut International Open | Asiut | EGY | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 1853 | 2.50 | 5 | 1.59 | 25 | 39.75 | |
| | Salah, Romany | | | 2096 | EGY | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Hanafy, Salah | | | 2157 | EGY | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Tork, Mohamed | | | 2135 | EGY | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Mosallam, Hosam | | | 2113 | EGY | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Elbaruni, Mohamed | c | | 2062 | LBA | 0.50 | 1 | 0.27 | 25 | 6.75 | |
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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