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Individual Calculations November 2021 |
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| Hardaway, Brewington Total change: 124.40 | |   |
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| Marshall FIDE Monday September-October 2021 | New York, NY | USA | 2021-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 1982 | 4.00 | 5 | 1.82 | 40 | 72.80 | |
|  Kozower, Ethan | | | 1729 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Xu, Grant Y | | | 2230 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Eisen, Zane | | | 1937 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Johnston, Daniel Frank | | | 2040 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Bonin, Jay Richard | m | | 2222 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | 25th Annual Eastern Chess Congress - Premier | Princeton, New Jersey | USA | 2021-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2027 | 3.00 | 5 | 0.73 | 40 | 29.20 | |
| | Su, Kevin | | | 1879 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Guevara-Rodriguez, Mario | | | 2042 | MEX | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Tang, Andrew | g | | 2427 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Prestia, Sebastian | c | | 1635 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Korley, Kassa | m | | 2407 | DEN | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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) | | | | Marshall Premier October 2021 | New York, NY | USA | 2021-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2027 | 3.00 | 5 | 0.56 | 40 | 22.40 | |
| | Chin, Spencer | | | 1788 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Khamrakulov, Djurabek | g | | 2427 * | UZB | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Obili, Abhishek | | | 2044 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Nakada, Akira Wood | c | | 2226 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Liu, Leonardo | | | 1739 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | * 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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