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Individual Calculations July 2011 |
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| Lotfy, Yusef Total change: 13.20 | |   |
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| Egyptian League 2010/2011 | Many Cities | EGY | 2010-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 2050 | 2.50 | 5 | 0.88 | 15 | 13.20 | |
|  Gaafar, Mahmoud | | | 2188 | EGY | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Kamel, Salama | | | 2040 | EGY | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Atef, Hatem | | | 2208 | EGY | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Arnaoot, Tarek | | | 2101 | EGY | 1.00 | 1 | 0.57 | 15 | 8.55 | | | El Taher, Fouad | m | | 2450 * | EGY | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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