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Individual Calculations January 2009 |
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| Vargas, Oliverio Total change: -2.25 | |   |
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| Metropolitano 2008 | San Jose | CRC | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 2046 | 1.00 | 3 | -0.09 | 25 | -2.25 | |
|  Murillo, Alexis | m | | 2323 | CRC | 0.00 | 1 | -0.17 | 25 | -4.25 | |  Montenegro, Esteban | | | 2025 | CRC | 1.00 | 1 | 0.47 | 25 | 11.75 | | | Castro Madrigal, Randall | | | 2125 | CRC | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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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