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Individual Calculations October 2017 |
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| Alizadeh, Amirhosein Total change: -41.60 | |   |
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| Tehran Boys Under 8 Championship 2017 | Tehran | IRI | 2017-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1163 | 1044 | 0.00 | 3 | -1.04 | 40 | -41.60 | |
|  Safdarian, Saman | | | 1140 | IRI | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Keshani, Kian | | | 1059 | IRI | 0.00 | 1 | -0.48 | 40 | -19.20 | |  Mohammadi, Amirhossein | | | 1291 | IRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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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