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Individual Calculations January 2011 |
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| Chahrani, Ibrahim Total change: -10.05 | |   |
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| 12th Arab Clubs Championship 2010 | Aden | YEM | 2010-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2253 | 2.50 | 6 | -0.67 | 15 | -10.05 | |
|  Labib, Ibrahim Hasan | m | | 2410 | EGY | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Moayed, Obied | | | 1927 | JOR | 1.00 | 1 | 0.13 | 15 | 1.95 | |  Mohammad, Samir | f | | 2361 | SYR | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Madi, Emad | | | 2112 | LBA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Al-Subaihi, Khalil | | | 2112 | YEM | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Arab, Adlane | m | | 2418 | ALG | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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