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Individual Calculations February 2022 |
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| Mokhtari, Ahmad Total change: 1.20 | |   |
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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 |
| 1622 | 1512 | 2.00 | 5 | 0.06 | 20 | 1.20 | |
|  Hagh Taj Dar, Rajab Ali | | | 1820 | IRI | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Berkeh, Bijan | | | 1671 | IRI | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Akbarpourmiri, Massoumeh | | | 1316 | IRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Karbalaei Sadeghi, Farhad | | | 1929 | IRI | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Rahmani Siyah Larz, Iraj | | | 1374 | IRI | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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