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Individual Calculations April 2017 |
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| McCartney, Patrick Total change: -10.60 | |   |
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| 2017 Boris Kogan Memorial | Chamblee, Georgia | USA | 2017-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1985 | 1.50 | 4 | -0.53 | 20 | -10.60 | |
|  Meruga, Shanmukha | | | 2007 | USA | 0.50 | 1 | 0.03 | 20 | 0.60 | |  Mbonu, David | | | 1996 | USA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Panasenko, Nikita A | | | 1991 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Polk, Clay | | | 1920 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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