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Individual Calculations January 2016 |
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| Arguello Acuna, Graciela Total change: 29.60 | |   |
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| Abierto Metropolitano 2015 | San Jose | CRC | 2015-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1714 | 1384 | 2.00 | 4 | 1.48 | 20 | 29.60 | |
|  Bonilla Morales, Kevin | | | 1649 | CRC | 1.00 | 1 | 0.82 | 20 | 16.40 | |  Aragon Alvarado, Christopher | | | 1726 | CRC | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Solano Cruz, Agustin | | | 1784 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Del Cid Winter, Roberto | | | 1698 | CRC | 0.50 | 1 | 0.36 | 20 | 7.20 | | | * 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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