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Individual Calculations March 2020 |
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| Essam Ibrahem, Mohamed Total change: -6.20 | |   |
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| 9th Arena Chess Open Under 2000 | Cairo | EGY | 2020-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1945 | 7.00 | 9 | -0.31 | 20 | -6.20 | |
|  Helal, Mohamed | | | 1545 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Erfan, Ahmed | | | 1690 | EGY | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Amer, Mohamed M. | | | 1865 | EGY | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Moheb, Yaser | | | 1667 | EGY | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Yasser, Rakan | | | 1545 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abdel Razik, Mohab | | | 1561 | EGY | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Saiid Abdel Hameed, Sameh | | | 1677 | EGY | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Hamed, Amro Mohamed | | | 1775 | EGY | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Mansour, Moaaz | | | 1744 | EGY | 1.00 | 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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