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Individual Calculations September 2021 |
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| Ananth, Ananya Total change: 19.20 | |   |
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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 |
| 1374 | 1405 | 4.00 | 7 | 0.13 | 40 | 5.20 | |
|  Fausto, Aliana | | | 1226 | USA | 0.50 | 1 | -0.23 | 40 | -9.20 | |  Arivoli, Sadhana | | | 1388 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Cheng, Claire | | | 1203 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Vidyarthi, Omya | | wc | 1805 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Guo, Anni | | | 1312 | CAN | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Bian, Erin | | | 1525 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Kaur, Jind | c | | 1157 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | * 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) | | | | 53rd Annual Atlantic Open - Under 2100 | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1718 | 1405 | 1.00 | 4 | 0.35 | 40 | 14.00 | |
| | Parks, Emmett | | | 1805 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Wang, Lilian | | | 1486 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Charry, Henry | | | 1776 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Greene, Matthew | | | 1805 * | 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) | | |
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