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Individual Calculations April 2017 |
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| Mbonu, David Total change: -4.40 | |   |
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| 2017 Boris Kogan Memorial | Chamblee, Georgia | USA | 2017-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1996 | 2.00 | 4 | -0.11 | 40 | -4.40 | |
|  McCartney, Patrick | | | 1985 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | |  Meruga, Shanmukha | | | 2007 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Markin, Arden Quinlan | | | 1933 | USA | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Parker, Anthony Lee | | | 1979 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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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