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Individual Calculations February 2023 |
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| Yang, Qindong Total change: -24.20 | |   |
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| 11th annual Boston Chess Congress - Premier | Boston MA | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 2162 | 3.00 | 5 | -1.21 | 20 | -24.20 | |
|  Carey, Michael P | | | 1891 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | |  Meng, Alexander Fang | | | 1798 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Price, Alan Curtis | | | 1905 | USA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Jain, Vihaan | | | 1860 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | He, Henry | | | 1909 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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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