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Individual Calculations April 2019 |
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| Taher, Ali Total change: 21.80 | |   |
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| Arab Chess Club Championship 2019 Open | Hammamet | TUN | 2019-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2017 | 4.00 | 6 | 1.09 | 20 | 21.80 | |
|  Mohammed, Zozek Salah Mohammed | f | | 2217 | IRQ | 1.00 | 1 | 0.76 | 20 | 15.20 | |  Al Ghamdi, Ahmed M | c | | 2103 | KSA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Alasayfar, Abdulkarem | | | 1933 | LBA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Al-Aqrabi, Saleh | c | | 2131 | YEM | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Maasarani, Mahmoud | | | 2035 | LBN | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Al Azmi, Khalaf | | | 1714 | KUW | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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) | | |
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