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Individual Calculations April 2017 |
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| Liu, Jackie Total change: 2.80 | |   |
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| 2017 Boris Kogan Memorial | Chamblee, Georgia | USA | 2017-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1913 | 2.00 | 4 | 0.07 | 40 | 2.80 | |
|  Nastasio, Davide | | | 1850 | USA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Panasenko, Nikita A | | | 1991 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Panda, Vedic | | | 1979 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Wu, Sijing | | | 1886 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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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