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Individual Calculations October 2021 |
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| Liang, Ethan Y Total change: 27.60 | |   |
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| 66th Annual Iowa Open | Iowa City, Iowa | USA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1744 | 1380 | 1.00 | 3 | 0.69 | 40 | 27.60 | |
|  Magness, Trevor S | | | 1780 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Jiles, David | | | 1672 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Pregon, Joseph Jef | | | 1780 * | USA | 0.00 | 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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