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Individual Calculations October 2019 |
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| Zhao, Alex Total change: 16.40 | |   |
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| 2019 Illinois Open State Championship | Downers Grove, Illinois | USA | 2019-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1572 | 1.50 | 4 | 0.41 | 40 | 16.40 | |
|  Johnson, Henderson | | | 1360 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Rhine, Frederick | | | 1965 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Li, Si | | | 1887 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Joseph, Bennett | | | 1944 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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