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Individual Calculations October 2012 |
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| Helmy, Amro Total change: 11.70 | |   |
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| 18th Alexandria Open | Alexandria | EGY | 2012-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 1947 | 1.50 | 4 | 0.39 | 30 | 11.70 | |
|  Eldesoky, Hatem | | | 2267 | EGY | 0.50 | 1 | 0.37 | 30 | 11.10 | |  Magdy, Ahmed | | | 1790 | EGY | 1.00 | 1 | 0.29 | 30 | 8.70 | | | Zakaria, Esam | | | 2245 | EGY | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Naby, Saiid A. | | | 2287 | EGY | 0.00 | 1 | -0.12 | 30 | -3.60 | |
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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