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Individual Calculations June 2023 |
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| Arias Formoso, Rodolfo Total change: -19.80 | |   |
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| Veterans Pan American Chess Championship 2023 | Lima | PER | 2023-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 2043 | 2.00 | 5 | -0.99 | 20 | -19.80 | |
|  Sopko, Cassio Roberto | | | 1832 | BRA | 0.50 | 1 | -0.27 | 20 | -5.40 | |  Sosa Patino, Carlos | | | 1876 | PER | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Madeira, Wagner Martins | f | | 2040 | BRA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Bermudes, Eduardo | c | | 2035 | COL | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Retamozo, Henry | | | 2053 | PER | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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