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Individual Calculations November 2021 |
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| Hoy, Andrew Total change: 0.00 | |   |
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| 25th Annual Eastern Chess Congress - Premier | Princeton, New Jersey | USA | 2021-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1998 | 3.00 | 5 | -0.19 | 20 | -3.80 | |
|  Gaw, Chloe | | | 1750 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | |  Li, Thomas | | | 1785 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Feng, Andrew T | | | 1690 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Wang, Kevin | m | | 2376 | USA | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Su, Kevin | | | 1879 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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) | | | | 89th Massachusetts Open | Quincy, Massachusetts | USA | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1998 | 2.50 | 4 | 0.19 | 20 | 3.80 | |
| | He, Henry | | | 1760 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Corrales Jimenez, Fidel | g | | 2398 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Carlson, Joaquin A | | | 1772 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Katsman, David | | | 1893 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | * 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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