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Individual Calculations October 2015 |
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| Osia, Seyed Morteza Total change: -21.20 | |   |
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| Tehran Chess Championship 2015 | Tehran | IRI | 2015-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1615 | 1382 | 0.50 | 4 | -0.53 | 40 | -21.20 | |
|  Talebi, Masoud | | | 1782 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Davoodabadi Farahani, Mohamad | | | 1706 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ghasemi, Eilia | | | 1219 | IRI | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Alinoori, Fariba | | | 1754 | IRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | * 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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