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Individual Calculations January 2018 |
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| Tang, Jason Total change: -28.40 | |   |
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| 2017 Back Bay Open | Boston, Massachusetts | USA | 2017-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 1992 | 1.00 | 3 | -0.71 | 40 | -28.40 | |
|  Chen, Maxwell D | | | 1787 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | |  Poliannikov, Danila | | | 2007 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Wofford, Matthew | | | 2011 | USA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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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