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Individual Calculations November 2021 |
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| Feng, Andrew Total change: 60.80 | |   |
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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 |
| 1942 | 1690 | 2.00 | 5 | 0.92 | 40 | 36.80 | |
|  Goonetilleke, L C | | | 2090 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Bagchi, Sounak | | | 1655 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Hoy, Andrew | | | 1998 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Hu, Alexander C | | | 2014 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Dong, Andy | | | 1954 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | | | * 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) | | | | 89th Massachusetts Open | Quincy, Massachusetts | USA | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1690 | 2.50 | 5 | 0.60 | 40 | 24.00 | |
| | Yu, Alex | | | 1886 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Song, Alan | | | 1989 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Xu, Raymond S | | | 1665 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Carey, Michael P | | | 1892 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Yehoshua, Roi | | | 1513 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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) | | |
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