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Individual Calculations October 2018 |
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| Mohamed, Osama Total change: 30.80 | |   |
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| Alexandria Open 2018 | Alexandria | EGY | 2018-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1940 | 1883 | 5.50 | 9 | 1.54 | 20 | 30.80 | |
|  El Arousy, Abdul Hameed | m | | 2283 * | EGY | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Zayan, Osama | | | 2120 | EGY | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Tamer, Mohamed | f | | 1610 | EGY | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Alyeldin, Mohamed | | | 1561 | EGY | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Ezat, Abdallah | | | 2247 | EGY | 1.00 | 1 | 0.90 | 20 | 18.00 | | | Sameeh, Hany | f | | 2187 | EGY | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Elsayed, Zeyad | | | 1753 | EGY | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Tamer, Ahmed | c | | 1619 | EGY | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Anwar, Ashraf Mohamed | | | 2084 | EGY | 0.00 | 1 | -0.24 | 20 | -4.80 | | | * 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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