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Individual Calculations April 2019 |
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| Fellah, Mohamed Amine Total change: 8.00 | |   |
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| Arab Chess Club Championship 2019 Open | Hammamet | TUN | 2019-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2080 | 1.50 | 6 | -1.02 | 20 | -20.40 | |
|  Al-Hajiri, Bader | f | | 2155 | KUW | 0.00 | 1 | -0.40 | 20 | -8.00 | |  Al-Aqrabi, Saleh | c | | 2131 | YEM | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Ahmed, Ali Layth Ahmed | f | | 2302 | IRQ | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Maasarani, Mahmoud | | | 2035 | LBN | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Boudriga, Mohamed Ali | m | | 2366 | TUN | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Elshaafi, Ali | | | 1889 | LBA | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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 |
| 2058 | 2080 | 4.50 | 6 | 1.42 | 20 | 28.40 | |
| | Barbaria, Yacine | | | 2211 | TUN | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Ammar, Sedrani | f | | 2138 | UAE | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Alzaim, Talal | | | 2182 | SYR | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Isam, Gaith | | | 1863 | PLE | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Mohammed, Zozek Salah Mohammed | f | | 2211 | IRQ | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Al Saidi, Mohammed Khalfan | | | 1743 | OMA | 1.00 | 1 | 0.12 | 20 | 2.40 | |
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) | | |
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