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Individual Calculations January 2020 |
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| Johnson, Donald Total change: -34.80 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 1791 | 1.00 | 6 | -0.87 | 40 | -34.80 | |
|  Martinez, Isaac | | | 2069 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Ling, Evan Maxwell | | | 1968 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Chin, Spencer | | | 1770 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Eisen, Zane | | | 1986 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Zhu, Evelyn | | wm | 2086 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Karthik, Advaith | | | 1794 | USA | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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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