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Individual Calculations January 2020 |
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| Quiros Cajina, Allan Total change: -11.80 | |   |
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| III Open Ciudad de Liberia 2019 | Liberia | CRC | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1563 | 1.50 | 5 | -0.59 | 20 | -11.80 | |
|  Picado, Jorge | | | 1963 * | NCA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Solis L., Efren A. | c | | 1948 | CRC | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Rodriguez Castillo, Gerardo | | | 1361 | CRC | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Soza Rojas, Dannilson G | | | 1255 | CRC | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Nunez Okubo, Isao | c | | 1711 | CRC | 0.00 | 1 | -0.30 | 20 | -6.00 | | | * 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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