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Individual Calculations October 2017 |
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| Kogen, Jonathan Total change: 16.40 | |   |
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| 2017 Illinois Open State Championship | Northbrook, Illinois | USA | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2196 | 4.50 | 6 | 0.82 | 20 | 16.40 | |
|  Corvin, Carl Dean | | | 1810 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Mangalam, Shreya B | | | 1820 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Gurevich, Dmitry | g | | 2456 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bronfeyn, Daniel | | | 2028 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Bartochowski, Nicholas J | | | 2005 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Schmakel, Sam A | f | | 2430 | USA | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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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