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Individual Calculations November 2021 |
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| Song, Alan Total change: 82.40 | |   |
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| 89th Massachusetts Open | Quincy, Massachusetts | USA | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1989 | 4.50 | 5 | 2.06 | 40 | 82.40 | |
|  Feng, Andrew | | | 1690 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Katsman, David | | | 1893 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Feng, Eric | | | 1751 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Ivanov, Alexander | g | | 2389 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Corrales Jimenez, Fidel | g | | 2389 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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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