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Individual Calculations September 2009 |
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| Pourreza, Ardalan Total change: -0.50 | |   |
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| 8th International Ebne Sina Open Chess Tournament | Hamedan | IRI | 2009-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1951 | 1.00 | 2 | -0.02 | 25 | -0.50 | |
|  Marzooghi, M.s | | | 1770 | IRI | 1.00 | 1 | 0.26 | 25 | 6.50 | |  Manochehri, Hamed | | | 2114 | IRI | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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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