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Individual Calculations September 2022 |
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| Mirzaei, Erfan Total change: -45.20 | |   |
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| Iran Boys Student School Championship-Shahr-e kord 2022 | Shahre kord | IRI | 2022-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1291 | 1443 | 3.00 | 6 | -1.13 | 40 | -45.20 | |
|  Mosaeiean, Aryian | | | 1262 | IRI | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Rezaeipour, Sina | | | 1602 | IRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Zakeri, Reza | | | 1206 | IRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Bojand, Mohamad Sadegh | | | 1314 | IRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Najaf Poor, Ali | | | 1221 | IRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Safari, Yazdan | | | 1141 | IRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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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