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Individual Calculations January 2018 |
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| Rivera Obando, Juan Jose Total change: -30.80 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1650 | 1588 | 1.00 | 6 | -1.54 | 20 | -30.80 | |
|  Solis L., Efren A. | | | 1988 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Campos Cerdas, Jorge | | | 1860 | CRC | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Diaz Calderon, Jahir | | | 1188 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Herrera Granados, Felipe | | | 1188 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Bogantes Robleto, Karina | | | 1686 | CRC | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Zumbado Gutierrez, Marco Antonio | | | 1988 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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