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Individual Calculations June 2023 |
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| Merma, Isaias Total change: 14.80 | |   |
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| Veterans Pan American Chess Championship 2023 | Lima | PER | 2023-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1569 | 2.00 | 8 | 0.74 | 20 | 14.80 | |
|  Madeira, Wagner Martins | f | | 2040 | BRA | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Agrasot, Antonio | | | 1518 | URU | 0.50 | 1 | -0.07 | 20 | -1.40 | |  Retamozo, Henry | | | 2053 | PER | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Sosa Patino, Carlos | | | 1876 | PER | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Barandiaran, Gabriel | | | 1899 | URU | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Silva, Cesar | | | 1980 | PER | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Okamura, Milton Kasuo | | | 1995 | BRA | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Sopko, Cassio Roberto | | | 1832 | BRA | 1.00 | 1 | 0.82 | 20 | 16.40 | |
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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