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Individual Calculations December 2018 |
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| Colding, Ernest Total change: -19.20 | |   |
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| 49th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2018-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 2083 | 2.00 | 5 | -0.96 | 20 | -19.20 | |
|  Zhao, Boyang | | | 1800 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | |  Forney, Robert | | | 1832 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Li, Ben | f | | 2374 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Mucerino, Joseph | | | 2012 | USA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Sheppard, Dore | | | 2039 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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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