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Individual Calculations September 2009 |
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| Kamel, Mohamed Total change: -5.40 | |   |
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| Egy Open 1st Part | Cairo | EGY | 2009-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 2088 | 0.50 | 2 | -0.98 | 15 | -14.70 | |
|  Magdy, Andro | | | 1891 | EGY | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Ehab, Mohamed | | | 1910 | EGY | 0.00 | 1 | -0.73 | 15 | -10.95 | |
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) | | | | 5th Asiut International Open | Asiut | EGY | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2088 | 3.00 | 5 | 0.62 | 15 | 9.30 | |
| | Elgamal, Alaa | | | 1688 * | EGY | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Eldesoky, Hatem | | | 2237 | EGY | 1.00 | 1 | 0.70 | 15 | 10.50 | |  Zayan, Osama | | | 2183 | EGY | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Yousry, Salah | | | 2314 | EGY | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Nagy, Ashraf | | | 2031 | EGY | 1.00 | 1 | 0.42 | 15 | 6.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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