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Individual Calculations June 2023 |
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| Retamozo, Henry Total change: -7.20 | |   |
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| Veterans Pan American Chess Championship 2023 | Lima | PER | 2023-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 2053 | 5.00 | 9 | -0.36 | 20 | -7.20 | |
|  Santiso, Daniel | | | 1847 | ARG | 0.50 | 1 | -0.26 | 20 | -5.20 | |  Okamura, Milton Kasuo | | | 1995 | BRA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Jimenez Molina, Juan Leon | f | | 2144 | CRC | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Merma, Isaias | | | 1653 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madeira, Wagner Martins | f | | 2040 | BRA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Ibar, Marcelo | f | | 2008 | ARG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Arias Formoso, Rodolfo | | | 2043 | CRC | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Bermudes, Eduardo | c | | 2035 | COL | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Silva, Cesar | | | 1980 | PER | 1.00 | 1 | 0.40 | 20 | 8.00 | | | * 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) | | |
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