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Individual Calculations February 2015 |
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| Chahrour, Ibrahim Total change: 3.60 | |   |
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| Arab Youth Chess CH. (Open U20) | Abu Dhabi | UAE | 2015-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2259 | 5.50 | 7 | 0.09 | 40 | 3.60 | |
|  Meftahi, Houssem | | | 2026 | TUN | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Ahmad, Al Khatib | | | 2160 | JOR | 0.50 | 1 | -0.14 | 40 | -5.60 | |  Zayan, Mohamed | f | | 2232 | EGY | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Nader, Mohamed | m | | 2099 | EGY | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Sattar, Abody | | | 1909 | IRQ | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Bukhalaf, Hussain | | | 1859 * | BRN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Al Zarooni, Ahmed | | | 1859 * | UAE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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