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Individual Calculations January 2020 |
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| Castro Garcia, Alejandro Total change: -25.20 | |   |
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| III Open Ciudad de Liberia 2019 | Liberia | CRC | 2019-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1593 | 2.00 | 4 | -0.63 | 40 | -25.20 | |
|  Davila, Carlos | m | | 1993 * | NCA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Soza Rojas, Dannilson G | | | 1255 | CRC | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Lacayo Kirov, Esther | | | 1193 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Cardenas Vargas, Jean Carlo | | | 1401 | CRC | 0.50 | 1 | -0.25 | 40 | -10.00 | | | * 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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