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Individual Calculations April 2020 |
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| Yousry, Salah Total change: -23.80 | |   |
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| League EGY Open 2019-2020 8-10 | Many Cities | EGY | 2020-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 2289 | 1.50 | 2 | -0.17 | 20 | -3.40 | |
|  Ahmed Yehia, Ahmed | | | 1984 | EGY | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Elazzawy, Walid | | | 2033 | EGY | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | League EGY Open 2019-2020 Postoponed Matches 2nd and 3rd Rounds | Many Cities | EGY | 2020-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 2289 | 1.00 | 1 | 0.27 | 20 | 5.40 | |
| | Hamam, Mahmoud | | | 2110 | EGY | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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) | | | | Arab Cities Chess Championship Open 2020 | Hammamet | TUN | 2020-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2315 | 2282 | 0.50 | 2 | -0.41 | 20 | -8.20 | |
| | Hesham, Abdelrahman | g | | 2401 | EGY | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Talbi, Chafik | f | | 2229 | ALG | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Arab Chess Club Championship 2020 | Hammamet | TUN | 2020-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 2282 | 2.00 | 4 | -0.88 | 20 | -17.60 | |
| | Saif, Malek | c | | 2142 | JOR | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Ahmed, S. A. Ashour | | | 1882 * | PLE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Doghri, Nabil | f | | 2336 | TUN | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Miswadah, Baha | | | 1985 | PLE | 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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