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Individual Calculations December 2021 |
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| Yan, Nathan Total change: 31.60 | |   |
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| 16th Annual Los Angeles Open - Major | Van Nuys, California | USA | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1588 | 1.00 | 2 | 0.01 | 40 | 0.40 | |
|  Zhang, Ellie | | | 1519 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Hong, Pearson | | | 1668 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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) | | | | BayAreaChess: The Real Bay Area Championship November 2021 - 2100 Plus | Santa Clara, California | USA | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1751 | 1588 | 2.00 | 4 | 0.78 | 40 | 31.20 | |
| | Guo, Andrew | | | 1618 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Achuthan, Aryan | | | 1660 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Bansal, Advay | | | 1773 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Khattar, Tanmay | | | 1951 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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