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Individual Calculations September 2021 |
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| Hu, Alexander C Total change: 28.00 | |   |
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| 51st Annual Continental Open - Under 2200 | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1979 | 3.50 | 5 | -0.01 | 40 | -0.40 | |
|  Christiansen, Natasha | | wc | 1758 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Carlson, Joaquin | | | 1665 | USA | 0.00 | 1 | -0.86 | 40 | -34.40 | | | Guevara-Rodriguez, Mario | | | 2075 | MEX | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Su, Ethan | | | 1794 | CAN | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Ye, Stephen | | | 1776 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | 53rd Annual Atlantic Open - Major | Reston, Virginia | USA | 2021-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1979 | 3.00 | 5 | 0.71 | 40 | 28.40 | |
| | Smith, Bryan G | g | | 2379 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Peterson, Scott | | | 1590 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Matta, Kisna | | | 1815 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Yanayt, Eugene | f | | 2099 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Tahmassebi, Bijan | | | 2181 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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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