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Individual Calculations October 2015 |
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| Potter, John Russell Total change: -17.20 | |   |
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| 2015 North Carolina Open | Greensboro, North Carolina | USA | 2015-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 2141 | 1.50 | 3 | -0.86 | 20 | -17.20 | |
|  Oen, Grant | | | 1941 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | |  Kumar, Nikhil | | | 1931 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Harmon-Vellotti, Carl Honor | | | 1866 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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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