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Individual Calculations October 2019 |
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| Kogen, Jonathan Total change: 31.20 | |   |
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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 |
| 2224 | 2213 | 3.00 | 3 | 1.56 | 20 | 31.20 | |
|  Mangalam, Shreya | | | 1934 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Escalante, Brian | m | | 2452 | PER | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Colas, Joshua | f | | 2285 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | |
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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