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Individual Calculations September 2017 |
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| Lotfy, Abdel Rahman Total change: 14.20 | |   |
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| Alexandria Open 2017 | Alexandria | EGY | 2017-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2107 | 5.50 | 9 | 0.71 | 20 | 14.20 | |
|  Alhassadi, Yousef A. | | | 1797 | LBA | 1.00 | 1 | 0.14 | 20 | 2.80 | |  El Arousy, Abdul Hameed | m | | 2279 | EGY | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Mahmoud, Hassan | | | 1707 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mosallam, Hosam | | | 2180 | EGY | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Moaataz, Alaa | | | 1794 | EGY | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Abdel Aziz, Ehab | | | 2185 | EGY | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Nyazi, Nehad | | | 2202 | EGY | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Himdan, Maher | m | | 2235 | EGY | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Ibrahim, Hosam | | | 2184 | EGY | 0.00 | 1 | -0.39 | 20 | -7.80 | | | * 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) | | |
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