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Individual Calculations January 2009 |
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| Vidmar, Rafael Total change: -16.45 | |   |
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| Abierto de Primavera 2008 | Buenos Aires | ARG | 2008-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1876 | 0.50 | 3 | -0.52 | 25 | -13.00 | |
|  Arraga, Gerardo | | | 1998 | ARG | 0.00 | 1 | -0.33 | 25 | -8.25 | |  Lida Garcia, Fernando | | | 2051 | ARG | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Jorquera Cabello, Paulo | | | 1935 | CHI | 0.50 | 1 | 0.08 | 25 | 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) | | | NOTE: K factor changed | | Copa PDV Sur Simon Bolivar | Buenos Aires | ARG | 2008-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2144 | 1876 | 0.50 | 4 | -0.23 | 15 | -3.45 | |
| | Sanchez, Fernando | f | | 2208 | ARG | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Wisniacki, Flavio | | | 2226 | ARG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Zabala, Adriel | | | 2091 | ARG | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Ligato, Guillermo Fe | | | 2049 | ARG | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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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