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Individual Calculations December 2021 |
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| Guo, Ethan Total change: -20.80 | |   |
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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 |
| 1889 | 1694 | 0.00 | 1 | -0.25 | 40 | -10.00 | |
|  Chubakov, Sultan | | | 1889 | KGZ | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 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 |
| 1725 | 1694 | 2.00 | 5 | -0.27 | 40 | -10.80 | |
| | Jiang, Lucas | | | 1786 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Tia, Rudy Goce | | | 1756 | PNG | 0.50 | 1 | 0.09 | 40 | 3.60 | |  Liu, Patrick Peijun | | | 1750 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Guo, Andrew | | | 1618 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Eswaran, Aksithi | | wc | 1717 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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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