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Individual Calculations February 2019 |
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| Sandi Quiros, Deborah Total change: -1.20 | |   |
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| II Torneo Internacional Sub 14 de Liberia 2018 | Liberia | CRC | 2018-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1300 | 1153 | 1.00 | 3 | -0.03 | 40 | -1.20 | |
|  Cabezas Solano, David Alejandro | | | 1553 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hernandez Perez, Javier Francisco | | | 1041 | CRC | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Barquero Alfaro, Alejandro | | | 1305 | CRC | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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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