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Individual Calculations September 2017 |
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| Kosokin, Valeriy Total change: 10.40 | |   |
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| 63rd Iowa Open Championship | Coralville, Iowa | USA | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2212 | 2.50 | 3 | 0.52 | 20 | 10.40 | |
|  Takahashi, Michael John | | | 1812 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kannappan, Priyadh | g | | 2516 | IND | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Zhou, Iris | | | 1812 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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