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Individual Calculations February 2022 |
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| Salarkia, Davood Total change: -12.80 | |   |
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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 |
| 1538 | 1385 | 0.50 | 3 | -0.64 | 20 | -12.80 | |
|  Karbalaei Sadeghi, Farhad | | | 1929 | IRI | 0.00 | 1 | -0.03 | 20 | -0.60 | |  Jafarnejad, Jafar | | | 1428 | IRI | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Moarefi, Fatemeh | | | 1258 | IRI | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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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