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Individual Calculations September 2017 |
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| Hodina, James D Total change: -8.40 | |   |
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| 63rd Iowa Open Championship | Coralville, Iowa | USA | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1898 | 2.00 | 4 | -0.21 | 40 | -8.40 | |
|  Iwu, Okechukwu N | | | 2100 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | |  Menon, Gauri | | | 1544 | USA | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Mattson, Dane M | | | 2047 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Thomson, Aaron | | | 1678 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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