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Individual Calculations July 2010 |
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| Zapata, Miguel Total change: -44.75 | |   |
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| Abierto Miguel Najdorf 2010 | Buenos Aires | ARG | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1767 | 1676 | 0.50 | 6 | -1.80 | 25 | -45.00 | |
|  Benedetti, Julio | | | 1916 | ARG | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Novoa, Fernando | | | 1879 | ARG | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Mendez, Ignacio | | | 1801 | ARG | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Pico, Cristian | | | 1640 | ARG | 0.50 | 1 | -0.05 | 25 | -1.25 | | | Salcedo, Carlos | | | 1744 | ARG | 0.00 | 1 | -0.41 | 25 | -10.25 | | | Coldman, Ricardo | | | 1623 | ARG | 0.00 | 1 | -0.57 | 25 | -14.25 | |
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) | | | | Semifinal Argentina Sub 18 Abs Clausura 2010 | Escobar, Buenos Aires | ARG | 2010-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1676 | 0.00 | 5 | -1.00 | 25 | -25.00 | |
| | Karpinski, Ivan | | | 1885 | ARG | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Garcia, Ezequiel | | | 1997 | ARG | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Medina, Lihue | | | 1806 | ARG | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Arias, Marcelo | | | 1882 | ARG | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Miranda, Rafael | | | 2076 * | ARG | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Abierto Proceres de Mayo CAA | Buenos Aires | ARG | 2010-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1676 | 2.50 | 6 | 1.01 | 25 | 25.25 | |
| | Naymark, Israel | | | 2032 | ARG | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Gerschenfeld, Martin | | | 1896 | ARG | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Bauza Mercere, Eduardo | | | 1822 | ARG | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Dewey, Augusto | | | 1946 | ARG | 0.50 | 1 | 0.33 | 25 | 8.25 | | | Denon, Nicole | | | 1635 | ARG | 0.50 | 1 | -0.06 | 25 | -1.50 | | | Ligato, Guillermo Fe | | | 1993 | ARG | 1.00 | 1 | 0.87 | 25 | 21.75 | |
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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