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Individual Calculations December 2021 |
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| Zhang, Elena Total change: 61.20 | |   |
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| 16th Annual Los Angeles Open - Under 2050 | Van Nuys, California | USA | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1290 | 2.00 | 2 | 1.53 | 40 | 61.20 | |
|  Gu, Crystal Jiuzhou | | | 1432 | USA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Hristov, Boyko Aleksandrov | | | 1578 | BUL | 1.00 | 1 | 0.84 | 40 | 33.60 | |
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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