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Individual Calculations April 2020 |
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| Salama, Taher Total change: -26.60 | |   |
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| Arab Cities Chess Championship Open 2020 | Hammamet | TUN | 2020-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 1881 | 0.50 | 4 | -0.22 | 20 | -4.40 | |
|  Saif, Malek | c | | 2142 | JOR | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Bengherabi, Khalil | f | | 2102 | ALG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Sadek, Sameh | f | | 2266 | EGY | 0.50 | 1 | 0.41 | 20 | 8.20 | | | Zanina, Moncef | | | 2088 | TUN | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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 |
| 2172 | 1881 | 0.00 | 6 | -1.11 | 20 | -22.20 | |
| | Tagelsir , Abubaker | f | | 2191 | SUD | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Isam, Gaith | | | 1824 | PLE | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Sadek, Sameh | f | | 2266 | EGY | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Loay, Sameer | c | | 2190 | JOR | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Hesham, Abdelrahman | g | | 2281 * | EGY | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sumets, Andrey | g | | 2281 * | UKR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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