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Individual Calculations December 2018 |
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| Elharrak, Ahmed Total change: 2.80 | |   |
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| Arab Chess Individual Championship U10 Open | Hammamet | TUN | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1332 | 1386 | 3.50 | 6 | 0.07 | 40 | 2.80 | |
|  Youssef, Ali Taha | | | 1127 | TUN | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Soud, Jaber | | | 1356 | UAE | 0.00 | 1 | -0.54 | 40 | -21.60 | |  Elabed, Yassine | | | 1217 | TUN | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Ameer, Baker | | | 1216 | JOR | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Fates, Omer Salah | | | 1420 | LBA | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Seder, Mohamad | | | 1653 | PLE | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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