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Individual Calculations September 2021 |
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| Oi, Ireri Total change: -13.20 | |   |
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| 2021 North American Youth Chess Championships - Girls Under 10 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1128 | 1259 | 1.00 | 2 | -0.33 | 40 | -13.20 | |
|  Sinkar, Anagha | | | 1221 | USA | 0.00 | 1 | -0.55 | 40 | -22.00 | |  Zhou, Audrey | | | 1034 | 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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