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Individual Calculations October 2021 |
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| Potts, Christopher Total change: -18.80 | |   |
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| 80th New England Open | Westford, Massachusetts | USA | 2021-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1545 | 1.00 | 5 | -0.47 | 40 | -18.80 | |
|  Xu, Bernie | | | 1800 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Zhou, David Tianyi | | | 1909 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Liu, Kelsey | | | 1776 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Ni, Brandon | | | 1694 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Yin, Benjamin | | | 1423 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | |
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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