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Individual Calculations June 2023 |
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| Madeira, Wagner Martins Total change: -12.80 | |   |
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| Veterans Pan American Chess Championship 2023 | Lima | PER | 2023-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 2040 | 4.00 | 8 | -0.64 | 20 | -12.80 | |
|  Merma, Isaias | | | 1640 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Fuentes, Moises | f | | 2131 | PER | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Arias Formoso, Rodolfo | | | 2043 | CRC | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Retamozo, Henry | | | 2053 | PER | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Jimenez Molina, Juan Leon | f | | 2144 | CRC | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Sopko, Cassio Roberto | | | 1832 | BRA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Barandiaran, Gabriel | | | 1899 | URU | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Ibar, Marcelo | f | | 2008 | ARG | 0.00 | 1 | -0.54 | 20 | -10.80 | | | * 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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