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Individual Calculations November 2021 |
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| Feng, Eric Total change: 52.00 | |   |
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| 89th Massachusetts Open | Quincy, Massachusetts | USA | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1751 | 3.00 | 6 | 1.30 | 40 | 52.00 | |
|  Li, Justin Y | | | 1590 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Poliannikov, Danila | f | | 2151 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Times, Lawyer | | | 2076 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Song, Alan | | | 1989 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Li, Jerry | c | | 1936 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Yu, Alex | | | 1886 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | * 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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