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Individual Calculations January 2009 |
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| Trejos, Enrique Total change: -18.30 | |   |
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| Metropolitano 2008 | San Jose | CRC | 2008-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 2175 | 0.50 | 2 | -1.22 | 15 | -18.30 | |
|  Fernandez, Mario | | | 1863 | CRC | 0.50 | 1 | -0.36 | 15 | -5.40 | |  Ulloa, Oscar | | | 1867 | CRC | 0.00 | 1 | -0.86 | 15 | -12.90 | |
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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