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Individual Calculations February 2022 |
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| Tehran Doost, A.asghar Total change: -6.80 | |   |
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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 |
| 1228 | 1580 | 2.50 | 3 | -0.17 | 40 | -6.80 | |
|  Hatam Bakhshian, Seyed Hossein | | | 1180 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Moarefi, Fatemeh | | | 1258 | IRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Salehi, Hossein | | | 1245 | IRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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