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Individual Calculations August 2015 |
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| Cabrera Chaves, Marco Antonio Total change: 2.60 | |   |
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| Copa Federacion 2015 | San Jose | CRC | 2015-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 2122 | 5.00 | 6 | 0.13 | 20 | 2.60 | |
|  Bonilla Rodriguez, Andres | | | 1831 | CRC | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Castillo Morales, Thais | | | 1722 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Araya Umana, Carlos | | | 2099 | CRC | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Bonilla Mora, Luis Daniel | | | 1864 | CRC | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Nunez Avendano, Manrique | | | 1722 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Acevedo Mendez, Lisseth | | | 1853 | CRC | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * 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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