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Individual Calculations April 2019 |
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| Idjeri, Yanis Total change: -2.40 | |   |
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| Arab Teams Chess Championship Open 2019 | Hammamet | TUN | 2019-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1942 | 1.50 | 3 | -0.12 | 20 | -2.40 | |
|  Al-Aqrabi, Saleh | c | | 2099 | YEM | 0.50 | 1 | 0.21 | 20 | 4.20 | |  Miswadah, Baha | | | 1945 | PLE | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Al Amari, Mohammed | | | 1671 | OMA | 1.00 | 1 | 0.17 | 20 | 3.40 | |
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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