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Individual Calculations July 2009 |
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| Perez, Mario Abel Total change: -1.50 | |   |
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| Daniel Piedrabuena 2009 | Los Polvorines, Buenos Aires | ARG | 2009-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 2096 | 2.50 | 4 | -0.10 | 15 | -1.50 | |
|  Hauzer, Jose | | | 1798 | ARG | 1.00 | 1 | 0.15 | 15 | 2.25 | |  Garcia, Ezequiel | | | 1985 | ARG | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Mesa, Jose Luis | | | 1972 | ARG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Perez, Maximiliano | | | 2146 | ARG | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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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