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Individual Calculations October 2021 |
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| Pregon, Joseph Jef Total change: 6.00 | |   |
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| 66th Annual Iowa Open | Iowa City, Iowa | USA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1824 | 3.00 | 5 | 0.15 | 40 | 6.00 | |
|  Mc Entee, Tim R | | | 2020 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Murray, William | | | 1910 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Zagar, Dane Bruno | | | 1836 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Popov, Sergey | | | 1566 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Liang, Ethan Y | | | 1424 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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