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Individual Calculations September 2011 |
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| Abdel Razik, Ahmed Total change: 17.10 | |   |
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| 13th Mahalla Open 2011 | Mahalla | EGY | 2011-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2082 | 4.00 | 6 | 1.14 | 15 | 17.10 | |
|  Zayan, Mohamed | | | 1682 * | EGY | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Elzayady, Ahmed | | | 2184 | EGY | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Kamal, Edmon | | | 1858 | EGY | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Atea, Khaled | | | 2201 | EGY | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Ezat, Abdallah | | | 2250 | EGY | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Yousry, Salah | f | | 2348 | EGY | 0.00 | 1 | -0.18 | 15 | -2.70 | | | * 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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