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Individual Calculations July 2015 |
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| Zhang, Yuanchen Total change: 9.20 | |   |
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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 |
| 2113 | 2183 | 5.50 | 9 | 0.23 | 40 | 9.20 | |
|  Heredia Madrigal, Andrei | | | 1876 | MEX | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Fonseca Manrique, Enrique | | | 2067 | MEX | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Cofre Archibold, Nestor | | | 2194 | MEX | 0.50 | 1 | 0.02 | 40 | 0.80 | | | Ghatti, Sanjay | | | 2255 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Flores Guerrero, Jesus Ald | m | | 2275 | MEX | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Hilby, Craig | | | 2224 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Perez Torres, Nabi Isaias | c | | 1983 | MEX | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Gomez Vazquez, Carlos | c | | 2070 | MEX | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Cano Castaneda, Ricardo Alexis | | | 2074 | MEX | 1.00 | 1 | 0.35 | 40 | 14.00 | |
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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