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Individual Calculations September 2017 |
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| Ellis, James S. Total change: -6.00 | |   |
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| 63rd Iowa Open Championship | Coralville, Iowa | USA | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1737 | 0.50 | 3 | -0.30 | 20 | -6.00 | |
|  Keating, Robert F | | | 2019 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Jin, Ashton | | | 1780 | USA | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Mathur, Rithwik | | | 1982 | USA | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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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