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Individual Calculations July 2018 |
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| Buhasan, Aiaad Jumha Total change: 31.20 | |   |
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| Final 31st Libyan U1800 Open Championship | Shahat | LBA | 2018-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1724 | 3.00 | 4 | 0.78 | 40 | 31.20 | |
|  Hassan, Abdalgader Khalifa | | | 1665 | LBA | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Amhadi, Mohamed | | | 1747 | LBA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Abdalkarem, Hussin A. | | | 1658 | LBA | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Bayood, Mustafa | | | 1664 | LBA | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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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