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Individual Calculations July 2015 |
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| Heredia Madrigal, Andrei Total change: -28.80 | |   |
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| North American Youth Chess Festival 2015 U18 Open | Toluca, Estado de Mexico | MEX | 2015-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 1876 | 1.00 | 6 | -0.72 | 40 | -28.80 | |
|  Zhang, Yuanchen | f | | 2183 | CAN | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Grabinsky, Aaron | | | 2266 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Ruiz Perez, Juan Octavio | | | 2031 | MEX | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Pamatmat, Jarod M | | | 2071 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Hong, Andrew Z | | | 2162 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Ordonez Enriquez, Adolfo | | | 1645 | MEX | 0.00 | 1 | -0.79 | 40 | -31.60 | |
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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