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Individual Calculations October 2015 |
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| Elshereif, Mahmoud Salah Total change: -17.20 | |   |
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| Alexandria Open 2015 | Alexandria | EGY | 2015-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1903 | 2.50 | 6 | -0.16 | 20 | -3.20 | |
|  El Arousy, Abdul Hameed | m | | 2250 | EGY | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Selim, Natalie | | | 1503 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Naby, Saiid A. | | | 2234 | EGY | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Zayan, Alaa | | | 1515 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Abdel Ghany, Khaled | | | 2042 | EGY | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Aly, Osama Mahmoud | | | 2062 | EGY | 0.00 | 1 | -0.29 | 20 | -5.80 | | | * 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) | | | | 1st. Tanta Engineers Club Classic | Tanta | EGY | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1903 | 0.00 | 1 | -0.70 | 20 | -14.00 | |
| | Gamal Eldin, Zeinab | | wc | 1753 | EGY | 0.00 | 1 | -0.70 | 20 | -14.00 | |
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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