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Individual Calculations February 2022 |
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| Berkeh, Bijan Total change: -10.80 | |   |
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| Iranian Seniors Chess Championships 2022-Over 50 | Gilan | IRI | 2022-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1671 | 2.00 | 5 | -0.27 | 40 | -10.80 | |
|  Mahmoody, M. Sadegh | | | 1910 | IRI | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Mokhtari, Ahmad | | | 1512 | IRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Sharifzade, Shahram | | | 1603 | IRI | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Samsam, Farhad | | | 1929 | IRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Pourreza, Ardalan | | | 1606 | IRI | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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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