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Individual Calculations July 2015 |
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| Ruiz Perez, Juan Octavio Total change: -30.80 | |   |
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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 |
| 2046 | 2031 | 3.00 | 8 | -0.77 | 40 | -30.80 | |
|  Ghatti, Sanjay | | | 2255 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | |  Krishnan, Varun | | | 2268 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Rodriguez Barragan, Luis E | | | 2073 | MEX | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Heredia Madrigal, Andrei | | | 1876 | MEX | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Hong, Andrew Z | | | 2162 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Ordonez Enriquez, Adolfo | | | 1645 | MEX | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Araujo Lazaro, Juan Jose | | | 2018 | MEX | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Gomez Vazquez, Carlos | c | | 2070 | MEX | 0.50 | 1 | 0.05 | 40 | 2.00 | |
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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