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Individual Calculations April 2017 |
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| Hosni, Yehya Total change: -38.60 | |   |
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| Egyptian League 2016-2017 1st Group | Many Cites | EGY | 2017-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2141 | 0.50 | 3 | -0.98 | 20 | -19.60 | |
|  Amin, Ashraf | f | | 2207 | EGY | 0.50 | 1 | 0.09 | 20 | 1.80 | |  Sobh, Amrou | m | | 2212 | EGY | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Abo Elkheir, Ahmed | | | 2015 | EGY | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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) | | | | 1st. Cairo Chess Academy Open | Cairo | EGY | 2017-03-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 2138 | 2.00 | 4 | -0.95 | 20 | -19.00 | |
| | Swilam, Mahmoud | | | 1738 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yousry, Salah | f | | 2322 | EGY | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Moheb, Yaser | | | 1738 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hosny, Gamal | | | 1843 | EGY | 0.00 | 1 | -0.85 | 20 | -17.00 | | | * 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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