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Individual Calculations September 2009 |
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| Zanetti, Joao Carlos Pereira Total change: 17.75 | |   |
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| Continental Absolute Champioship 2009 | Sao Paulo Chess Club/SP | BRA | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1987 | 1746 | 3.00 | 11 | 0.71 | 25 | 17.75 | |
|  Santos Neto, Francisco Jose Dos | c | | 2146 * | BRA | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Chin Li, Victor | | | 2034 | BRA | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Camara, Jose Arruda | | | 1975 | BRA | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Reis, Ernesto Guevara | | | 1985 | BRA | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Herbst Neto, Eugenio | | | 1973 | BRA | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Ferreira, Jose Carlos | | | 2013 | BRA | 0.50 | 1 | 0.32 | 25 | 8.00 | | | Casares, Luis Alberto | | | 2007 | ARG | 0.00 | 1 | -0.18 | 25 | -4.50 | | | Costa, Giovanni | | | 1931 | BRA | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Aragao Neto, Joao Batista | | | 1859 | BRA | 0.50 | 1 | 0.15 | 25 | 3.75 | | | Gomes, Marco Tulio | | | 1890 | BRA | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Mariano, Marceley Martins | | | 2040 | BRA | 0.00 | 1 | -0.15 | 25 | -3.75 | | | * 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) | | |
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