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Individual Calculations March 2020 |
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| Amin, Khaled Mohamed Total change: -36.40 | |   |
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| Egyptian Youth (Open ) Under 18 | Cairo | EGY | 2020-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 2055 | 7.50 | 8 | 0.65 | 40 | 26.00 | |
|  Emil Alexan, Paula | | | 1655 * | EGY | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Mohamed Aly, Karim | | | 1655 * | EGY | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mansour, Moaaz | | | 1744 | EGY | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Samy Abdel Raoof, Ahmed | | | 1655 * | EGY | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Tamer, Ahmed | c | | 1999 | EGY | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Wafa, Diaa | | | 1671 | EGY | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Abdallah Hussein, Mohamed | | | 1794 | EGY | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Sayed, Aly | | | 1655 * | EGY | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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) | | | | 9th Arena Chess Open over 2000 | Cairo | EGY | 2020-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 2055 | 1.50 | 5 | -1.56 | 40 | -62.40 | |
| | Kandil, Adham | m | | 2290 | EGY | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Elsouefi, Amr | | | 1882 | EGY | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Zakaria, Esam | | | 2200 | EGY | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Mena, Martin | c | | 1674 | EGY | 0.00 | 1 | -0.91 | 40 | -36.40 | | | George Samir, David | | | 1687 | EGY | 0.50 | 1 | -0.40 | 40 | -16.00 | |
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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