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Individual Calculations July 2019 |
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| Alexander, Roger K Total change: 35.60 | |   |
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| 2019 Roger W. Gotschall Memorial Chess Festival | Ames, Iowa | USA | 2019-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1635 | 1.50 | 3 | 0.89 | 40 | 35.60 | |
|  Parmet, Daniel Edw | | | 1929 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Wolf, Alexander Pa | | | 1852 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Herr, John Edward | | | 1833 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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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