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Individual Calculations February 2019 |
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| Huertas Badilla, Allan Total change: -26.20 | |   |
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| Abierto Internacional Metropolitano B 2018 | San Jose | CRC | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1361 | 1732 | 5.00 | 7 | -1.31 | 20 | -26.20 | |
|  Herrera Granados, Felipe | | | 1332 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Salas Estrada, Ana Maria | | | 1332 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Melendez Arce, Caleth | | | 1435 | CRC | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Arguedas Bolanos, Sharline | | | 1408 | CRC | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Chaves Olaso, Axel Andrey | | | 1332 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Ocampo Arias, Jose Ignacio | | | 1353 | CRC | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Barboza Viquez, Martin Eduardo | | | 1332 * | CRC | 1.00 | 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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