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Individual Calculations June 2023 |
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| Ibar, Marcelo Total change: 52.20 | |   |
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| Veterans Pan American Chess Championship 2023 | Lima | PER | 2023-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2008 | 7.50 | 9 | 2.61 | 20 | 52.20 | |
|  Fonseca Luna, Eduardo | | | 1608 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jimenez Molina, Juan Leon | f | | 2144 | CRC | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Santiso, Daniel | | | 1847 | ARG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Okamura, Milton Kasuo | | | 1995 | BRA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Fuentes, Moises | f | | 2131 | PER | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Retamozo, Henry | | | 2053 | PER | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Barandiaran, Gabriel | | | 1899 | URU | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Silva, Cesar | | | 1980 | PER | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Madeira, Wagner Martins | f | | 2040 | BRA | 1.00 | 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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