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Individual Calculations July 2015 |
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| Perez Vega, Luis Gabriel Total change: -39.20 | |   |
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| North American Youth Chess Festival 2015 U16 Open | Toluca, Estado de Mexico | MEX | 2015-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1849 | 1.50 | 5 | -0.98 | 40 | -39.20 | |
|  Garcia Herrera, Enrique Ric | c | | 1843 | MEX | 1.00 | 1 | 0.49 | 40 | 19.60 | |  Xie, Tianming | | | 2046 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Zhu, Hong Rui | | | 2163 | CAN | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Mendoza Ubieta, Jose Carlo | | | 1577 | MEX | 0.00 | 1 | -0.83 | 40 | -33.20 | | | De Dios Suarez, Jorge Emiliano | | | 1659 | MEX | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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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