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Individual Calculations September 2021 |
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| Yang, Adelynne Total change: 6.80 | |   |
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| 2021 North American Youth Chess Championships - Girls Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1491 | 1297 | 1.50 | 5 | 0.17 | 40 | 6.80 | |
|  Tang, Zoey | | | 1697 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Durbha, Antara | | | 1356 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Wang, Lilian | | | 1486 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | |  Evans, Serena | | | 1415 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Chen, Rachel Ruoxu | | | 1502 | CAN | 0.00 | 1 | -0.24 | 40 | -9.60 | | | * 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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