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Individual Calculations February 2015 |
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| Chaves Williams, Jose Andres Total change: 34.40 | |   |
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| Campeonato Nacional CRC Sub 20 Abierto 2015 | San Jose | CRC | 2015-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1616 | 2.50 | 6 | 0.86 | 40 | 34.40 | |
|  Carvajal Pena, Daniel | | | 1804 | CRC | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Aragon Alvarado, Christopher | | | 1696 | CRC | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Buitrago Mosquera, Antonio | | | 1758 | CRC | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Granados, Maria | | wm | 1855 | NCA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Jimenez Garcia, Emmanuel | f | | 2016 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rivera Gonzalez, Jose Alexis | | | 1688 | CRC | 0.50 | 1 | 0.10 | 40 | 4.00 | | | * 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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