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Individual Calculations September 2017 |
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| Joseph, Rita Mary Total change: 14.00 | |   |
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| 63rd Iowa Open Championship | Coralville, Iowa | USA | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1402 | 1.00 | 4 | 0.35 | 40 | 14.00 | |
|  Chen, Nathan | | | 1694 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Vigil, Barry | | | 1518 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Condron, James K | | | 1802 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Takahashi, Michael John | | | 1795 | 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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