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Individual Calculations January 2012 |
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| Chahrani, Ibrahim Total change: -3.45 | |   |
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| Arab Games 2011. Open Section. | Doha | QAT | 2011-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2346 | 2243 | 2.00 | 6 | -0.23 | 15 | -3.45 | |
|  Onkoud, Abdelaziz | m | | 2384 | MAR | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Al Qudaimi, Basheer | m | | 2398 | YEM | 0.00 | 1 | -0.29 | 15 | -4.35 | |  Samhouri, A | f | | 2377 | JOR | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Alhuwar, Jasem | f | | 2256 | UAE | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Takrory, Hosam | | | 2073 | PLE | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Amin, Bassem | g | | 2590 | EGY | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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