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Individual Calculations April 2013 |
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| Alafi, Marwan Total change: 12.60 | |   |
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| Al Taawon ( GCC) classic | Al ain | UAE | 2013-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1487 | 1.50 | 4 | 0.42 | 30 | 12.60 | |
|  Al Zarooni, Ahmed | | | 1742 | UAE | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Al Zadjali, Maram | | | 1507 | UAE | 0.50 | 1 | 0.03 | 30 | 0.90 | |  Al Amery, Haitham | | | 1775 | UAE | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Al Ahbabai, Jumah | | | 1673 | UAE | 1.00 | 1 | 0.74 | 30 | 22.20 | |
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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