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Individual Calculations January 2022 |
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| Acosta Cruz, Luis Ivan Total change: -21.80 | |   |
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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 |
| 1743 | 1758 | 1.00 | 4 | -1.09 | 20 | -21.80 | |
|  Rivas Cabrera, Edgar | | | 2019 | VEN | 0.50 | 1 | 0.32 | 20 | 6.40 | |  Pena Romero, Edwin Oswaldo | | | 1744 | COL | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Rosales, Jhon Mike | | | 1690 | COL | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Franco Perez, Yolima | | | 1517 | COL | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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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