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Individual Calculations September 2017 |
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| Condron, James K Total change: -20.80 | |   |
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| 63rd Iowa Open Championship | Coralville, Iowa | USA | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1946 | 1.50 | 4 | -0.52 | 40 | -20.80 | |
|  Magness, Trevor S | | | 2122 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Joseph, Rita Mary | | | 1546 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Zagar, Dane B | | | 1914 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Iwu, Okechukwu N | | | 2100 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | * 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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