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Individual Calculations October 2021 |
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| Zagar, Dane Bruno Total change: 7.60 | |   |
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| 66th Annual Iowa Open | Iowa City, Iowa | USA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1836 | 2.00 | 4 | 0.38 | 20 | 7.60 | |
|  Saleem, Arshaq | | | 2144 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Pregon, Joseph Jef | | | 1824 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Magness, Trevor S | | | 2120 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Moerlien, Puwit Sk | | | 1600 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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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