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Individual Calculations April 2019 |
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| Mohammed, Zozek Salah Mohammed Total change: -39.80 | |   |
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| Arab Chess Club Championship 2019 Open | Hammamet | TUN | 2019-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2217 | 1.00 | 5 | -1.42 | 20 | -28.40 | |
|  Taher, Ali | | | 2017 | JOR | 0.00 | 1 | -0.76 | 20 | -15.20 | |  Ameir, Moheb | m | | 2287 | EGY | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Boudriga, Mohamed Ali | m | | 2366 | TUN | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Ahmed, Ali Layth Ahmed | f | | 2302 | IRQ | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Aboudi, Marwan | | | 2163 | JOR | 0.00 | 1 | -0.58 | 20 | -11.60 | |
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 Teams Chess Championship Open 2019 | Hammamet | TUN | 2019-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2211 | 3.00 | 5 | -0.57 | 20 | -11.40 | |
| | Al-Hajiri, Bader | f | | 2155 | KUW | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Al Amari, Mohammed | | | 1811 * | OMA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ahmed, Fareed | f | | 1951 | UAE | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Meddeb, Anis | f | | 2164 | TUN | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Fellah, Mohamed Amine | | | 2080 | ALG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | * 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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