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Individual Calculations January 2015 |
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| Katz, Michael S Total change: -8.80 | |   |
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| 45th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2014-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2183 | 1.00 | 2 | -0.44 | 20 | -8.80 | |
|  Gu, Alan | | | 1981 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Zhou, Ziwen | | | 2047 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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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