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Individual Calculations September 2017 |
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| Wael Zakria, Mohamed Total change: -3.20 | |   |
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| Zagazig Chess Open 2017 | Zagazig | EGY | 2017-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 1583 | 1.00 | 5 | -0.08 | 40 | -3.20 | |
|  Amin, Ashraf | f | | 1983 * | EGY | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Fathy, Waleed | | | 1899 | EGY | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ashraf, Abdel Rahman | | | 1584 | EGY | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Ali Mohamed, Mohamed | | | 1960 | EGY | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Maged, Alaa Eldin | | | 1748 | EGY | 0.00 | 1 | -0.28 | 40 | -11.20 | | | * 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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