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Individual Calculations September 2021 |
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| Kanury, Riya Total change: 8.80 | |   |
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| 4th Annual Peter Henner Memorial - Under 2100 | Albany, New York | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1322 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
|  Hood, Avery | | | 1722 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2021 North American Youth Chess Championships - Girls Under 12 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1322 | 2.50 | 5 | 0.30 | 40 | 12.00 | |
|  Vidyarthi, Omya | | wc | 1722 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gu, Crystal Jiuzho | | | 1380 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Fausto, Aliana | | | 1226 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Arivoli, Sadhana | | | 1388 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Cheng, Claire | | | 1203 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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