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Individual Calculations January 2016 |
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| Aragon Alvarado, Christopher Total change: -7.60 | |   |
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| Abierto Metropolitano 2015 | San Jose | CRC | 2015-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1726 | 1.00 | 3 | -0.38 | 20 | -7.60 | |
|  Arguello Acuna, Graciela | | | 1384 | CRC | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Tapia Quiros, Gustavo | | | 2098 | CRC | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Huertas Badilla, Allan | | | 1796 | CRC | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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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