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Individual Calculations December 2021 |
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| Yan, Ruiyang Total change: 9.60 | |   |
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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 |
| 1953 | 2124 | 3.50 | 5 | -0.10 | 40 | -4.00 | |
|  Atwell, Rose | | | 1891 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Ruiz, Alejandro Eduardo | | | 1997 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Wen, Tommy | | | 1945 | USA | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Leano, Bryan B | | | 1905 | USA | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Wang, Andrew | | | 2028 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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 |
| 1830 | 2124 | 4.50 | 5 | 0.34 | 40 | 13.60 | |
| | Dai, Xuli | | | 1724 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Achuthan, Aryan | | | 1724 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jiang, Lucas | | | 1786 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Khattar, Tanmay | | | 1951 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Sairam, Pranav | | | 1963 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | * 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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