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Individual Calculations April 2017 |
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| Zayan, Osama Total change: 37.60 | |   |
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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 |
| 2081 | 2216 | 2.00 | 2 | 0.64 | 20 | 12.80 | |
|  Ahmed, Moustafa Elsayed | | | 2147 | EGY | 1.00 | 1 | 0.40 | 20 | 8.00 | |  Fayez, Emad | | | 2014 | EGY | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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 |
| 2097 | 2216 | 7.00 | 9 | 1.24 | 20 | 24.80 | |
| | Elattar, Tarek | | | 1816 * | EGY | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yehya, Sameh | | | 2021 | EGY | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Kandil, Adham | m | | 2248 | EGY | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Ahmed Yehia, Ahmed | | | 1939 | EGY | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Sayed, Hany | | | 2127 | EGY | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Yousry, Salah | f | | 2322 | EGY | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Abdel Hai, Hany | | | 2168 | EGY | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Fekri, Wael | | | 1988 | EGY | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Ashraf, Shereif | f | | 2248 | EGY | 1.00 | 1 | 0.54 | 20 | 10.80 | | | * 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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