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Individual Calculations September 2021 |
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| Pham, Linda Total change: -8.00 | |   |
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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 |
| 1431 | 1254 | 1.00 | 4 | -0.20 | 40 | -8.00 | |
|  Vidyarthi, Omya | | wc | 1654 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Arivoli, Sadhana | | | 1388 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | |  Bian, Erin | | | 1525 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Kaur, Jind | c | | 1157 | USA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | * 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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