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Individual Calculations September 2022 |
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| Roshani, Soroush Total change: 143.60 | |   |
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| 5th Iranian Amateures Chess Championship 2022 | Zanjan | IRI | 2022-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1424 | 4.50 | 7 | 3.59 | 40 | 143.60 | |
|  Riahi, Arvin | | | 1783 | IRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Abbasi, Meisam | | | 1867 | IRI | 1.00 | 1 | 0.94 | 40 | 37.60 | |  Nadernia, Niki | | | 1750 | IRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Hoseini, S.alireza | | | 1836 | IRI | 1.00 | 1 | 0.93 | 40 | 37.20 | | | Delavari, Behnood | | | 1743 | IRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Zamani, Alireza | | | 1715 | IRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Safarnezhad, Armin | | | 1601 | IRI | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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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