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Individual Calculations February 2022 |
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| Hamidian, Alireza Total change: 11.20 | |   |
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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 |
| 1498 | 1406 | 2.00 | 3 | 0.56 | 20 | 11.20 | |
|  Sabah, Iraj | | | 1999 | IRI | 0.00 | 1 | -0.02 | 20 | -0.40 | | | Salehi, Hossein | | | 1245 | IRI | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Fatahipour, Valiollah | | | 1249 | IRI | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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