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Individual Calculations January 2016 |
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| Cohen, Ed Total change: -21.40 | |   |
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| 51st Annual American Open - U2200 Section | Orange, California | USA | 2015-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 2018 | 1.00 | 3 | -1.07 | 20 | -21.40 | |
|  Alonso, Francisco | | | 1964 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | |  Eidelman, Gabriel | | | 1705 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Kiwan, Saleem M | | | 1924 | USA | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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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