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Individual Calculations February 2015 |
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| Ibrahim, Mohamed Total change: -24.60 | |   |
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| Cairo Open | Cairo | EGY | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2142 | 5.00 | 9 | -1.23 | 20 | -24.60 | |
|  Abo Serea, Gamal | | | 1742 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Fahmy, Rafik | | | 1742 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | M.amer, Hossam | | | 1992 | EGY | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Sarwat, Walaa | m | | 2347 | EGY | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Khalifa, Ramy | | | 1956 | EGY | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Ismail, Hany | | | 1954 | EGY | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Elkady, Moustafa | | | 2021 | EGY | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Mohamed Ahmed, Esam | | | 2048 | EGY | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Ahmed, Ahmed Alaa | | | 2011 | EGY | 0.00 | 1 | -0.68 | 20 | -13.60 | | | * 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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