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Individual Calculations November 2021 |
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| Xu, Bernie Total change: 37.20 | |   |
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| 89th Massachusetts Open | Quincy, Massachusetts | USA | 2021-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1739 | 2.50 | 4 | 0.93 | 40 | 37.20 | |
|  Wang, Ryan | | | 1562 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Li, Jerry | c | | 1936 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Times, Lawyer | | | 2076 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | He, Henry | | | 1760 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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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