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Rapid:
Individual Calculations February 2022 |
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| Sabah, Iraj Total change: -16.80 | |   |
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| Iranian Seniors Chess Championships Rapid Cup 2022-Over 50 | Gilan | IRI | 2022-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1545 | 2071 | 3.00 | 4 | -0.84 | 20 | -16.80 | |
|  Sharifzade, Shahram | | | 1459 | IRI | 0.50 | 1 | -0.48 | 20 | -9.60 | | | Amiri, Hadi | | | 1671 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Nazari Nia, Shahram | | | 1532 | IRI | 0.50 | 1 | -0.47 | 20 | -9.40 | | | Taghavi, Seyed Ahmad | | | 1516 | IRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | * 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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