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Individual Calculations January 2020 |
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| Zahedi, Iraj Total change: -12.20 | |   |
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| Lahijan Open Under 1700 | Lahijan | IRI | 2019-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1423 | 1655 | 2.50 | 4 | -0.61 | 20 | -12.20 | |
|  Bahmanpour, Mobina | | | 1255 * | IRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Radmard, Ramzan | | | 1465 | IRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Rahnama, M.reza | | | 1479 | IRI | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Kafshgar Gohari, Reza | | | 1494 | IRI | 0.00 | 1 | -0.71 | 20 | -14.20 | | | * 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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