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Individual Calculations January 2022 |
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| Polanco Colina, Juan Marcos Total change: 18.20 | |   |
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| IX Campeonato Panamericano de Ajedrez IRT para Limitados Visuales IBCA 2021 | Pereira | COL | 2021-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1729 | 3.50 | 6 | 0.91 | 20 | 18.20 | |
|  Abiad Parra, Victor | | | 1860 | VEN | 0.00 | 1 | -0.32 | 20 | -6.40 | |  Franco Perez, Yolima | | | 1517 | COL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Alvarez Mendoza, Rafael | | | 1581 | COL | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Rivas Cabrera, Edgar | | | 2019 | VEN | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Jaimes, Fredy Alexander | | | 1825 | COL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Jaramillo, Carlos Orlando | | | 1900 | COL | 1.00 | 1 | 0.73 | 20 | 14.60 | |
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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