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Individual Calculations July 2009 |
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| Perucca, Jorge Total change: -6.60 | |   |
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| Legislatura Copa Norberto Laporta | Buenos Aires | ARG | 2009-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 1874 | 0.50 | 5 | -0.44 | 15 | -6.60 | |
|  Goldwaser, Christian | | | 2224 | ARG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Radoszta, Armando E. | | | 2083 | ARG | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Bustos, Cristian | | | 2193 | ARG | 0.50 | 1 | 0.37 | 15 | 5.55 | |  Zeta, Rodrigo | | | 2061 | ARG | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Nejanky, Maisa | | | 2100 | ARG | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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