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Individual Calculations September 2021 |
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| Cheng, Claire Total change: 37.60 | |   |
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| 2021 North American Youth Chess Championships - Girls Under 12 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1365 | 1203 | 3.00 | 7 | 0.94 | 40 | 37.60 | |
|  Arivoli, Sadhana | | | 1388 | USA | 1.00 | 1 | 0.74 | 40 | 29.60 | |  Fausto, Aliana | | | 1226 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Ananth, Ananya | | | 1405 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Guo, Anni | | | 1312 | CAN | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Bian, Erin | | | 1525 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gu, Crystal Jiuzho | | | 1380 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Kanury, Riya A | | | 1322 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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