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Individual Calculations January 2018 |
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| Ramirez Valerio, Christian Total change: -16.80 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1687 | 0.50 | 3 | -0.42 | 40 | -16.80 | |
|  Ulloa Avellan, Oscar | | | 1850 | CRC | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Rojas Cisneros, Kevin | | | 1855 | CRC | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Porras Chavarria, Steve | | | 1787 | CRC | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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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