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Individual Calculations February 2022 |
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| Sabah, Iraj Total change: 3.20 | |   |
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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 |
| 1770 | 1999 | 5.50 | 7 | 0.16 | 20 | 3.20 | |
|  Hamidian, Alireza | | | 1599 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kamari, Mir Kamal | | | 1598 | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Raei Seddigh, Ali | | | 1818 | IRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Karbalaei Sadeghi, Farhad | | | 1929 | IRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Abdollahisaber, Reza | | | 1648 | IRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Pouresmaeil, Naser | | | 1871 | IRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Samsam, Farhad | | | 1929 | IRI | 0.00 | 1 | -0.60 | 20 | -12.00 | | | * 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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