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Individual Calculations October 2021 |
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| Takahashi, Michael Total change: 9.40 | |   |
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| 66th Annual Iowa Open | Iowa City, Iowa | USA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 2013 | 2.50 | 4 | 0.47 | 20 | 9.40 | |
|  Popov, Sergey | | | 1613 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kosokin, Valeriy | | | 2171 | UZB | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Iwu, Okechukwu Ane | | | 2081 | USA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Neal Ii, James | | | 2077 | USA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | * 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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